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authorTai Vuong <tvuong@audiokinetic.com>2017-10-30 15:18:33 -0400
committerTai Vuong <tvuong@audiokinetic.com>2017-10-30 15:18:33 -0400
commitc46955de2731563d1991691cd1a7986f05f019e3 (patch)
treee0375428c2c9ad60bbfb8cc7f53f157770232ea6 /src
parent53aea8f073c5b4ad859c39f903fdbcaccd2fc5b8 (diff)
parent8a584f01b46d251fdc5de8b071eff755d99f0090 (diff)
isolate structure use in policy util from HLB
Diffstat (limited to 'src')
-rw-r--r--src/CMakeLists.txt2
-rw-r--r--src/ahl-apidef.h344
-rw-r--r--src/ahl-apidef.json206
-rw-r--r--src/ahl-binding.c1547
-rw-r--r--src/ahl-binding.h97
-rw-r--r--src/ahl-config.c140
-rw-r--r--src/ahl-deviceenum.c387
-rw-r--r--src/ahl-interface.h131
-rw-r--r--src/ahl-policy-utils.c248
-rw-r--r--src/ahl-policy-utils.h177
-rw-r--r--src/ahl-policy.c1094
-rw-r--r--src/ahl-policy.h73
12 files changed, 3459 insertions, 987 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c0f6ca9..4429b0b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -39,7 +39,7 @@ PKG_CHECK_MODULES(GLIB_PKG REQUIRED glib-2.0)
PROJECT_TARGET_ADD(audiohighlevel)
# Define project Targets
- ADD_LIBRARY(${TARGET_NAME} MODULE ahl-binding.c ahl-deviceenum.c ahl-config.c ahl-policy.c)
+ ADD_LIBRARY(${TARGET_NAME} MODULE ahl-binding.c ahl-deviceenum.c ahl-config.c ahl-policy-utils.c ahl-policy.c)
# Generate API-v2 hat from OpenAPI json definition
SET_TARGET_GENSKEL(${TARGET_NAME} ahl-apidef)
diff --git a/src/ahl-apidef.h b/src/ahl-apidef.h
index 9a39470..fd957ce 100644
--- a/src/ahl-apidef.h
+++ b/src/ahl-apidef.h
@@ -1,139 +1,155 @@
static const char _afb_description_v2_audiohl[] =
- "{\"openapi\":\"3.0.0\",\"$schema\":\"http:iot.bzh/download/openapi/schem"
- "a-3.0/default-schema.json\",\"info\":{\"description\":\"Audio high level"
- " API for AGL applications\",\"title\":\"audiohighlevel\",\"version\":\"1"
- ".0\",\"x-binding-c-generator\":{\"api\":\"audiohl\",\"version\":2,\"pref"
- "ix\":\"audiohlapi_\",\"postfix\":\"\",\"start\":null,\"onevent\":null,\""
- "init\":\"AhlBindingInit\",\"scope\":\"\",\"private\":false}},\"servers\""
- ":[{\"url\":\"ws://{host}:{port}/api/audiohl\",\"description\":\"Audio hi"
- "gh level API for AGL applications.\",\"variables\":{\"host\":{\"default\""
- ":\"localhost\"},\"port\":{\"default\":\"1234\"}},\"x-afb-events\":[{\"$r"
- "ef\":\"#/components/schemas/afb-event\"}]}],\"components\":{\"schemas\":"
- "{\"afb-reply\":{\"$ref\":\"#/components/schemas/afb-reply-v2\"},\"afb-ev"
- "ent\":{\"$ref\":\"#/components/schemas/afb-event-v2\"},\"afb-reply-v2\":"
- "{\"title\":\"Generic response.\",\"type\":\"object\",\"required\":[\"jty"
- "pe\",\"request\"],\"properties\":{\"jtype\":{\"type\":\"string\",\"const"
- "\":\"afb-reply\"},\"request\":{\"type\":\"object\",\"required\":[\"statu"
- "s\"],\"properties\":{\"status\":{\"type\":\"string\"},\"info\":{\"type\""
- ":\"string\"},\"token\":{\"type\":\"string\"},\"uuid\":{\"type\":\"string"
- "\"},\"reqid\":{\"type\":\"string\"}}},\"response\":{\"type\":\"object\"}"
- "}},\"afb-event-v2\":{\"type\":\"object\",\"required\":[\"jtype\",\"event"
- "\"],\"properties\":{\"jtype\":{\"type\":\"string\",\"const\":\"afb-event"
- "\"},\"event\":{\"type\":\"string\"},\"data\":{\"type\":\"object\"}}},\"e"
- "ndpoint_info\":{\"type\":\"object\",\"required\":[\"endpoint_id\",\"type"
- "\",\"device_name\",\"device_uri\"],\"properties\":{\"endpoint_id\":{\"ty"
- "pe\":\"int\"},\"type\":{\"type\":\"enum\"},\"device_name\":{\"type\":\"s"
- "tring\"},\"device_uri_type\":{\"type\":\"string\"}}},\"stream_info\":{\""
- "type\":\"object\",\"required\":[\"stream_id\",\"endpoint_info\"],\"prope"
- "rties\":{\"stream_id\":{\"type\":\"int\"},\"$ref\":\"#/components/schema"
- "s/endpoint_info\"}}},\"x-permissions\":{\"streamcontrol\":{\"permission\""
- ":\"urn:AGL:permission:audio:public:streamcontrol\"},\"routingcontrol\":{"
- "\"permission\":\"urn:AGL:permission:audio:public:routingcontrol\"},\"sou"
- "ndevent\":{\"permission\":\"urn:AGL:permission:audio:public:soundevent\""
- "}},\"responses\":{\"200\":{\"description\":\"A complex object array resp"
- "onse\",\"content\":{\"application/json\":{\"schema\":{\"$ref\":\"#/compo"
- "nents/schemas/afb-reply\"}}}},\"400\":{\"description\":\"Invalid argumen"
- "ts\"}}},\"paths\":{\"/get_sources\":{\"description\":\"Retrieve array of"
- " available audio sources\",\"get\":{\"parameters\":[{\"in\":\"query\",\""
- "name\":\"audio_role\",\"required\":true,\"schema\":{\"type\":\"string\"}"
- "}],\"responses\":{\"200\":{\"$ref\":\"#/components/responses/200\",\"res"
- "ponse\":{\"description\":\"Array of endpoint info structures\",\"type\":"
- "\"array\",\"items\":{\"$ref\":\"#/components/schemas/endpoint_info\"}}},"
- "\"400\":{\"$ref\":\"#/components/responses/400\"}}}},\"/get_sinks\":{\"d"
- "escription\":\"Retrieve array of available audio sinks\",\"get\":{\"para"
- "meters\":[{\"in\":\"query\",\"name\":\"audio_role\",\"required\":true,\""
- "schema\":{\"type\":\"string\"}}],\"responses\":{\"200\":{\"$ref\":\"#/co"
- "mponents/responses/200\",\"response\":{\"description\":\"Array of endpoi"
- "nt info structures\",\"type\":\"array\",\"items\":{\"$ref\":\"#/componen"
- "ts/schemas/endpoint_info\"}}},\"400\":{\"$ref\":\"#/components/responses"
- "/400\"}}}},\"/stream_open\":{\"description\":\"Request opening a stream\""
- ",\"get\":{\"x-permissions\":{\"$ref\":\"#/components/x-permissions/strea"
- "mcontrol\"},\"parameters\":[{\"in\":\"query\",\"name\":\"audio_role\",\""
- "required\":true,\"schema\":{\"type\":\"string\"}},{\"in\":\"query\",\"na"
- "me\":\"endpoint_type\",\"required\":true,\"schema\":{\"type\":\"enum\"}}"
- ",{\"in\":\"query\",\"name\":\"endpoint_id\",\"required\":false,\"schema\""
- ":{\"type\":\"int\"}}],\"responses\":{\"200\":{\"$ref\":\"#/components/re"
- "sponses/200\",\"response\":{\"description\":\"Stream information structu"
- "re\",\"$ref\":\"#/components/schemas/stream_info\"}},\"400\":{\"$ref\":\""
- "#/components/responses/400\"}}}},\"/stream_close\":{\"description\":\"Re"
- "quest closing a stream\",\"get\":{\"x-permissions\":{\"$ref\":\"#/compon"
- "ents/x-permissions/streamcontrol\"},\"parameters\":[{\"in\":\"query\",\""
- "name\":\"stream_id\",\"required\":true,\"schema\":{\"type\":\"int\"}}],\""
- "responses\":{\"200\":{\"$ref\":\"#/components/responses/200\"},\"400\":{"
- "\"$ref\":\"#/components/responses/400\"}}}},\"/set_volume\":{\"descripti"
- "on\":\"Set volume\",\"get\":{\"x-permissions\":{\"$ref\":\"#/components/"
- "x-permissions/streamcontrol\"},\"parameters\":[{\"in\":\"query\",\"name\""
- ":\"endpoint_type\",\"required\":true,\"schema\":{\"type\":\"enum\"}},{\""
- "in\":\"query\",\"name\":\"endpoint_id\",\"required\":true,\"schema\":{\""
- "type\":\"int\"}},{\"in\":\"query\",\"name\":\"volume\",\"required\":true"
- ",\"schema\":{\"type\":\"string\"}},{\"in\":\"query\",\"name\":\"ramp_tim"
- "e_ms\",\"required\":false,\"schema\":{\"type\":\"int\"}}],\"responses\":"
- "{\"200\":{\"$ref\":\"#/components/responses/200\"},\"400\":{\"$ref\":\"#"
- "/components/responses/400\"}}}},\"/get_volume\":{\"description\":\"Get v"
- "olume\",\"get\":{\"parameters\":[{\"in\":\"query\",\"name\":\"endpoint_t"
- "ype\",\"required\":true,\"schema\":{\"type\":\"enum\"}},{\"in\":\"query\""
- ",\"name\":\"endpoint_id\",\"required\":true,\"schema\":{\"type\":\"int\""
+ "{\"openapi\":\"3.0.0\",\"info\":{\"description\":\"Audio high level API "
+ "for AGL applications\",\"title\":\"audiohighlevel\",\"version\":\"1.0\","
+ "\"x-binding-c-generator\":{\"api\":\"audiohl\",\"version\":2,\"prefix\":"
+ "\"audiohlapi_\",\"postfix\":\"\",\"start\":null,\"onevent\":\"AhlOnEvent"
+ "\",\"init\":\"AhlBindingInit\",\"scope\":\"\",\"private\":false}},\"serv"
+ "ers\":[{\"url\":\"ws://{host}:{port}/api/audiohl\",\"description\":\"Aud"
+ "io high level API for AGL applications.\",\"variables\":{\"host\":{\"def"
+ "ault\":\"localhost\"},\"port\":{\"default\":\"1234\"}},\"x-afb-events\":"
+ "[{\"$ref\":\"#/components/schemas/afb-event\"}]}],\"components\":{\"sche"
+ "mas\":{\"afb-reply\":{\"$ref\":\"#/components/schemas/afb-reply-v2\"},\""
+ "afb-event\":{\"$ref\":\"#/components/schemas/afb-event-v2\"},\"afb-reply"
+ "-v2\":{\"title\":\"Generic response.\",\"type\":\"object\",\"required\":"
+ "[\"jtype\",\"request\"],\"properties\":{\"jtype\":{\"type\":\"string\",\""
+ "const\":\"afb-reply\"},\"request\":{\"type\":\"object\",\"required\":[\""
+ "status\"],\"properties\":{\"status\":{\"type\":\"string\"},\"info\":{\"t"
+ "ype\":\"string\"},\"token\":{\"type\":\"string\"},\"uuid\":{\"type\":\"s"
+ "tring\"},\"reqid\":{\"type\":\"string\"}}},\"response\":{\"type\":\"obje"
+ "ct\"}}},\"afb-event-v2\":{\"type\":\"object\",\"required\":[\"jtype\",\""
+ "event\"],\"properties\":{\"jtype\":{\"type\":\"string\",\"const\":\"afb-"
+ "event\"},\"event\":{\"type\":\"string\"},\"data\":{\"type\":\"object\"}}"
+ "},\"endpoint_info\":{\"type\":\"object\",\"required\":[\"endpoint_id\",\""
+ "type\",\"device_name\",\"device_uri\"],\"properties\":{\"endpoint_id\":{"
+ "\"type\":\"int\"},\"type\":{\"type\":\"enum\"},\"device_name\":{\"type\""
+ ":\"string\"},\"device_uri_type\":{\"type\":\"string\"}}},\"stream_info\""
+ ":{\"type\":\"object\",\"required\":[\"stream_id\",\"state\",\"mute\",\"e"
+ "ndpoint_info\"],\"properties\":{\"stream_id\":{\"type\":\"int\"},\"state"
+ "\":{\"type\":\"int\"},\"mute\":{\"type\":\"int\"},\"device_uri\":{\"type"
+ "\":\"string\"},\"$ref\":\"#/components/schemas/endpoint_info\"}}},\"x-pe"
+ "rmissions\":{\"streamcontrol\":{\"permission\":\"urn:AGL:permission:audi"
+ "o:public:streamcontrol\"},\"endpointcontrol\":{\"permission\":\"urn:AGL:"
+ "permission:audio:public:endpointcontrol\"},\"audiostream\":{\"permission"
+ "\":\"urn:AGL:permission:audio:public:audiostream\"},\"soundevent\":{\"pe"
+ "rmission\":\"urn:AGL:permission:audio:public:soundevent\"}},\"responses\""
+ ":{\"200\":{\"description\":\"A complex object array response\",\"content"
+ "\":{\"application/json\":{\"schema\":{\"$ref\":\"#/components/schemas/af"
+ "b-reply\"}}}},\"400\":{\"description\":\"Invalid arguments\"}}},\"paths\""
+ ":{\"/get_sources\":{\"description\":\"Retrieve array of available audio "
+ "sources\",\"get\":{\"parameters\":[{\"in\":\"query\",\"name\":\"audio_ro"
+ "le\",\"required\":true,\"schema\":{\"type\":\"string\"}}],\"responses\":"
+ "{\"200\":{\"$ref\":\"#/components/responses/200\",\"response\":{\"descri"
+ "ption\":\"Array of endpoint info structures\",\"type\":\"array\",\"items"
+ "\":{\"$ref\":\"#/components/schemas/endpoint_info\"}}},\"400\":{\"$ref\""
+ ":\"#/components/responses/400\"}}}},\"/get_sinks\":{\"description\":\"Re"
+ "trieve array of available audio sinks\",\"get\":{\"parameters\":[{\"in\""
+ ":\"query\",\"name\":\"audio_role\",\"required\":true,\"schema\":{\"type\""
+ ":\"string\"}}],\"responses\":{\"200\":{\"$ref\":\"#/components/responses"
+ "/200\",\"response\":{\"description\":\"Array of endpoint info structures"
+ "\",\"type\":\"array\",\"items\":{\"$ref\":\"#/components/schemas/endpoin"
+ "t_info\"}}},\"400\":{\"$ref\":\"#/components/responses/400\"}}}},\"/stre"
+ "am_open\":{\"description\":\"Request opening a stream\",\"get\":{\"x-per"
+ "missions\":{\"$ref\":\"#/components/x-permissions/audiostream\"},\"param"
+ "eters\":[{\"in\":\"query\",\"name\":\"audio_role\",\"required\":true,\"s"
+ "chema\":{\"type\":\"string\"}},{\"in\":\"query\",\"name\":\"endpoint_typ"
+ "e\",\"required\":true,\"schema\":{\"type\":\"enum\"}},{\"in\":\"query\","
+ "\"name\":\"endpoint_id\",\"required\":false,\"schema\":{\"type\":\"int\""
"}}],\"responses\":{\"200\":{\"$ref\":\"#/components/responses/200\",\"re"
- "sponse\":{\"description\":\"Endpoint volume value\",\"type\":\"double\"}"
- "},\"400\":{\"$ref\":\"#/components/responses/400\"}}}},\"/set_property\""
- ":{\"description\":\"Set property value\",\"get\":{\"x-permissions\":{\"$"
- "ref\":\"#/components/x-permissions/streamcontrol\"},\"parameters\":[{\"i"
- "n\":\"query\",\"name\":\"endpoint_type\",\"required\":true,\"schema\":{\""
- "type\":\"enum\"}},{\"in\":\"query\",\"name\":\"endpoint_id\",\"required\""
- ":false,\"schema\":{\"type\":\"int\"}},{\"in\":\"query\",\"name\":\"prope"
- "rty_name\",\"required\":true,\"schema\":{\"type\":\"string\"}},{\"in\":\""
- "query\",\"name\":\"value\",\"required\":true,\"schema\":{\"type\":\"stri"
- "ng\"}},{\"in\":\"query\",\"name\":\"ramp_time_ms\",\"required\":false,\""
- "schema\":{\"type\":\"int\"}}],\"responses\":{\"200\":{\"$ref\":\"#/compo"
- "nents/responses/200\"},\"400\":{\"$ref\":\"#/components/responses/400\"}"
- "}}},\"/get_property\":{\"description\":\"Get property value\",\"get\":{\""
- "parameters\":[{\"in\":\"query\",\"name\":\"endpoint_type\",\"required\":"
- "true,\"schema\":{\"type\":\"enum\"}},{\"in\":\"query\",\"name\":\"endpoi"
- "nt_id\",\"required\":false,\"schema\":{\"type\":\"int\"}},{\"in\":\"quer"
- "y\",\"name\":\"property_name\",\"required\":true,\"schema\":{\"type\":\""
- "string\"}}],\"responses\":{\"200\":{\"$ref\":\"#/components/responses/20"
- "0\",\"response\":{\"description\":\"Property value\",\"type\":\"double\""
- "}},\"400\":{\"$ref\":\"#/components/responses/400\"}}}},\"/set_state\":{"
- "\"description\":\"Set state\",\"get\":{\"x-permissions\":{\"$ref\":\"#/c"
- "omponents/x-permissions/streamcontrol\"},\"parameters\":[{\"in\":\"query"
- "\",\"name\":\"endpoint_type\",\"required\":true,\"schema\":{\"type\":\"e"
- "num\"}},{\"in\":\"query\",\"name\":\"endpoint_id\",\"required\":true,\"s"
- "chema\":{\"type\":\"int\"}},{\"in\":\"query\",\"name\":\"state_name\",\""
- "required\":true,\"schema\":{\"type\":\"string\"}},{\"in\":\"query\",\"na"
- "me\":\"state_value\",\"required\":true,\"schema\":{\"type\":\"string\"}}"
+ "sponse\":{\"description\":\"Stream information structure\",\"$ref\":\"#/"
+ "components/schemas/stream_info\"}},\"400\":{\"$ref\":\"#/components/resp"
+ "onses/400\"}}}},\"/stream_close\":{\"description\":\"Request closing a s"
+ "tream\",\"get\":{\"x-permissions\":{\"$ref\":\"#/components/x-permission"
+ "s/audiostream\"},\"parameters\":[{\"in\":\"query\",\"name\":\"stream_id\""
+ ",\"required\":true,\"schema\":{\"type\":\"int\"}}],\"responses\":{\"200\""
+ ":{\"$ref\":\"#/components/responses/200\"},\"400\":{\"$ref\":\"#/compone"
+ "nts/responses/400\"}}}},\"/set_stream_state\":{\"description\":\"Change "
+ "stream active state\",\"get\":{\"x-permissions\":{\"$ref\":\"#/component"
+ "s/x-permissions/streamcontrol\"},\"parameters\":[{\"in\":\"query\",\"nam"
+ "e\":\"stream_id\",\"required\":true,\"schema\":{\"type\":\"int\"}},{\"in"
+ "\":\"query\",\"name\":\"state\",\"required\":true,\"schema\":{\"type\":\""
+ "int\"}}],\"responses\":{\"200\":{\"$ref\":\"#/components/responses/200\""
+ "},\"400\":{\"$ref\":\"#/components/responses/400\"}}}},\"/set_stream_mut"
+ "e\":{\"description\":\"Change stream mute state\",\"get\":{\"x-permissio"
+ "ns\":{\"$ref\":\"#/components/x-permissions/streamcontrol\"},\"parameter"
+ "s\":[{\"in\":\"query\",\"name\":\"stream_id\",\"required\":true,\"schema"
+ "\":{\"type\":\"int\"}},{\"in\":\"query\",\"name\":\"mute\",\"required\":"
+ "true,\"schema\":{\"type\":\"int\"}}],\"responses\":{\"200\":{\"$ref\":\""
+ "#/components/responses/200\"},\"400\":{\"$ref\":\"#/components/responses"
+ "/400\"}}}},\"/get_stream_info\":{\"description\":\"Retrieve stream infor"
+ "mation\",\"get\":{\"parameters\":[{\"in\":\"query\",\"name\":\"stream_id"
+ "\",\"required\":true,\"schema\":{\"type\":\"int\"}}],\"responses\":{\"20"
+ "0\":{\"$ref\":\"#/components/responses/200\",\"response\":{\"description"
+ "\":\"Stream information structure\",\"$ref\":\"#/components/schemas/stre"
+ "am_info\"}},\"400\":{\"$ref\":\"#/components/responses/400\"}}}},\"/set_"
+ "volume\":{\"description\":\"Set volume on endpoint\",\"get\":{\"x-permis"
+ "sions\":{\"$ref\":\"#/components/x-permissions/endpointcontrol\"},\"para"
+ "meters\":[{\"in\":\"query\",\"name\":\"endpoint_type\",\"required\":true"
+ ",\"schema\":{\"type\":\"enum\"}},{\"in\":\"query\",\"name\":\"endpoint_i"
+ "d\",\"required\":true,\"schema\":{\"type\":\"int\"}},{\"in\":\"query\",\""
+ "name\":\"volume\",\"required\":true,\"schema\":{\"type\":\"string\"}}],\""
+ "responses\":{\"200\":{\"$ref\":\"#/components/responses/200\"},\"400\":{"
+ "\"$ref\":\"#/components/responses/400\"}}}},\"/get_volume\":{\"descripti"
+ "on\":\"Get endpoint volume\",\"get\":{\"parameters\":[{\"in\":\"query\","
+ "\"name\":\"endpoint_type\",\"required\":true,\"schema\":{\"type\":\"enum"
+ "\"}},{\"in\":\"query\",\"name\":\"endpoint_id\",\"required\":true,\"sche"
+ "ma\":{\"type\":\"int\"}}],\"responses\":{\"200\":{\"$ref\":\"#/component"
+ "s/responses/200\",\"response\":{\"description\":\"Endpoint volume value\""
+ ",\"type\":\"double\"}},\"400\":{\"$ref\":\"#/components/responses/400\"}"
+ "}}},\"/get_endpoint_info\":{\"description\":\"Retrieve endpoint informat"
+ "ion including its properties\",\"get\":{\"parameters\":[{\"in\":\"query\""
+ ",\"name\":\"endpoint_type\",\"required\":true,\"schema\":{\"type\":\"enu"
+ "m\"}},{\"in\":\"query\",\"name\":\"endpoint_id\",\"required\":false,\"sc"
+ "hema\":{\"type\":\"int\"}}],\"responses\":{\"200\":{\"$ref\":\"#/compone"
+ "nts/responses/200\"},\"400\":{\"$ref\":\"#/components/responses/400\"}}}"
+ "},\"/set_property\":{\"description\":\"Set endpoint property value\",\"g"
+ "et\":{\"x-permissions\":{\"$ref\":\"#/components/x-permissions/endpointc"
+ "ontrol\"},\"parameters\":[{\"in\":\"query\",\"name\":\"endpoint_type\",\""
+ "required\":true,\"schema\":{\"type\":\"enum\"}},{\"in\":\"query\",\"name"
+ "\":\"endpoint_id\",\"required\":false,\"schema\":{\"type\":\"int\"}},{\""
+ "in\":\"query\",\"name\":\"property_name\",\"required\":true,\"schema\":{"
+ "\"type\":\"string\"}},{\"in\":\"query\",\"name\":\"value\",\"required\":"
+ "true,\"schema\":{\"type\":\"string\"}}],\"responses\":{\"200\":{\"$ref\""
+ ":\"#/components/responses/200\"},\"400\":{\"$ref\":\"#/components/respon"
+ "ses/400\"}}}},\"/get_property\":{\"description\":\"Get endpoint property"
+ " value\",\"get\":{\"parameters\":[{\"in\":\"query\",\"name\":\"endpoint_"
+ "type\",\"required\":true,\"schema\":{\"type\":\"enum\"}},{\"in\":\"query"
+ "\",\"name\":\"endpoint_id\",\"required\":false,\"schema\":{\"type\":\"in"
+ "t\"}},{\"in\":\"query\",\"name\":\"property_name\",\"required\":true,\"s"
+ "chema\":{\"type\":\"string\"}}],\"responses\":{\"200\":{\"$ref\":\"#/com"
+ "ponents/responses/200\",\"response\":{\"description\":\"Property value\""
+ ",\"type\":\"double\"}},\"400\":{\"$ref\":\"#/components/responses/400\"}"
+ "}}},\"/get_list_actions\":{\"description\":\"Retrieve a list of supporte"
+ "d actions for a particular audio role\",\"get\":{\"parameters\":[{\"in\""
+ ":\"query\",\"name\":\"audio_role\",\"required\":true,\"schema\":{\"type\""
+ ":\"string\"}}],\"responses\":{\"200\":{\"$ref\":\"#/components/responses"
+ "/200\"},\"400\":{\"$ref\":\"#/components/responses/400\"}}}},\"/post_act"
+ "ion\":{\"description\":\"Post sound or audio device related action event"
+ " (extendable mechanism)\",\"get\":{\"x-permissions\":{\"$ref\":\"#/compo"
+ "nents/x-permissions/soundevent\"},\"parameters\":[{\"in\":\"query\",\"na"
+ "me\":\"action_name\",\"required\":true,\"schema\":{\"type\":\"string\"}}"
+ ",{\"in\":\"query\",\"name\":\"audio_role\",\"required\":true,\"schema\":"
+ "{\"type\":\"string\"}},{\"in\":\"query\",\"name\":\"media_name\",\"requi"
+ "red\":false,\"schema\":{\"type\":\"string\"}},{\"in\":\"query\",\"name\""
+ ":\"action_context\",\"required\":false,\"schema\":{\"type\":\"object\"}}"
"],\"responses\":{\"200\":{\"$ref\":\"#/components/responses/200\"},\"400"
- "\":{\"$ref\":\"#/components/responses/400\"}}}},\"/get_state\":{\"descri"
- "ption\":\"Get state value\",\"get\":{\"parameters\":[{\"in\":\"query\",\""
- "name\":\"endpoint_type\",\"required\":true,\"schema\":{\"type\":\"enum\""
- "}},{\"in\":\"query\",\"name\":\"endpoint_id\",\"required\":true,\"schema"
- "\":{\"type\":\"int\"}},{\"in\":\"query\",\"name\":\"state_name\",\"requi"
- "red\":true,\"schema\":{\"type\":\"string\"}}],\"responses\":{\"200\":{\""
- "$ref\":\"#/components/responses/200\",\"response\":{\"description\":\"En"
- "dpoint state value\",\"type\":\"string\"}},\"400\":{\"$ref\":\"#/compone"
- "nts/responses/400\"}}}},\"/post_sound_event\":{\"description\":\"Post so"
- "und event\",\"get\":{\"x-permissions\":{\"$ref\":\"#/components/x-permis"
- "sions/soundevent\"},\"parameters\":[{\"in\":\"query\",\"name\":\"event_n"
- "ame\",\"required\":true,\"schema\":{\"type\":\"string\"}},{\"in\":\"quer"
- "y\",\"name\":\"audio_role\",\"required\":true,\"schema\":{\"type\":\"str"
- "ing\"}},{\"in\":\"query\",\"name\":\"media_name\",\"required\":false,\"s"
- "chema\":{\"type\":\"string\"}},{\"in\":\"query\",\"name\":\"audio_contex"
- "t\",\"required\":false,\"schema\":{\"type\":\"object\"}}],\"responses\":"
- "{\"200\":{\"$ref\":\"#/components/responses/200\"},\"400\":{\"$ref\":\"#"
- "/components/responses/400\"}}}},\"/subscribe\":{\"description\":\"Subscr"
- "ibe to audio high level events\",\"get\":{\"parameters\":[{\"in\":\"quer"
- "y\",\"name\":\"events\",\"required\":true,\"schema\":{\"type\":\"array\""
- ",\"items\":{\"type\":\"string\"}}}],\"responses\":{\"200\":{\"$ref\":\"#"
- "/components/responses/200\"},\"400\":{\"$ref\":\"#/components/responses/"
- "400\"}}}},\"/unsubscribe\":{\"description\":\"Unubscribe to audio high l"
- "evel events\",\"get\":{\"parameters\":[{\"in\":\"query\",\"name\":\"even"
- "ts\",\"required\":true,\"schema\":{\"type\":\"array\",\"items\":{\"type\""
- ":\"string\"}}}],\"responses\":{\"200\":{\"$ref\":\"#/components/response"
- "s/200\"},\"400\":{\"$ref\":\"#/components/responses/400\"}}}}}}"
+ "\":{\"$ref\":\"#/components/responses/400\"}}}},\"/subscribe\":{\"descri"
+ "ption\":\"Subscribe to audio high level events\",\"get\":{\"parameters\""
+ ":[{\"in\":\"query\",\"name\":\"events\",\"required\":true,\"schema\":{\""
+ "type\":\"array\",\"items\":{\"type\":\"string\"}}}],\"responses\":{\"200"
+ "\":{\"$ref\":\"#/components/responses/200\"},\"400\":{\"$ref\":\"#/compo"
+ "nents/responses/400\"}}}},\"/unsubscribe\":{\"description\":\"Unubscribe"
+ " to audio high level events\",\"get\":{\"parameters\":[{\"in\":\"query\""
+ ",\"name\":\"events\",\"required\":true,\"schema\":{\"type\":\"array\",\""
+ "items\":{\"type\":\"string\"}}}],\"responses\":{\"200\":{\"$ref\":\"#/co"
+ "mponents/responses/200\"},\"400\":{\"$ref\":\"#/components/responses/400"
+ "\"}}}}}}"
;
static const struct afb_auth _afb_auths_v2_audiohl[] = {
+ { .type = afb_auth_Permission, .text = "urn:AGL:permission:audio:public:audiostream" },
{ .type = afb_auth_Permission, .text = "urn:AGL:permission:audio:public:streamcontrol" },
+ { .type = afb_auth_Permission, .text = "urn:AGL:permission:audio:public:endpointcontrol" },
{ .type = afb_auth_Permission, .text = "urn:AGL:permission:audio:public:soundevent" }
};
@@ -141,13 +157,16 @@ static const struct afb_auth _afb_auths_v2_audiohl[] = {
void audiohlapi_get_sinks(struct afb_req req);
void audiohlapi_stream_open(struct afb_req req);
void audiohlapi_stream_close(struct afb_req req);
+ void audiohlapi_set_stream_state(struct afb_req req);
+ void audiohlapi_set_stream_mute(struct afb_req req);
+ void audiohlapi_get_stream_info(struct afb_req req);
void audiohlapi_set_volume(struct afb_req req);
void audiohlapi_get_volume(struct afb_req req);
+ void audiohlapi_get_endpoint_info(struct afb_req req);
void audiohlapi_set_property(struct afb_req req);
void audiohlapi_get_property(struct afb_req req);
- void audiohlapi_set_state(struct afb_req req);
- void audiohlapi_get_state(struct afb_req req);
- void audiohlapi_post_sound_event(struct afb_req req);
+ void audiohlapi_get_list_actions(struct afb_req req);
+ void audiohlapi_post_action(struct afb_req req);
void audiohlapi_subscribe(struct afb_req req);
void audiohlapi_unsubscribe(struct afb_req req);
@@ -181,52 +200,73 @@ static const struct afb_verb_v2 _afb_verbs_v2_audiohl[] = {
.session = AFB_SESSION_NONE_V2
},
{
+ .verb = "set_stream_state",
+ .callback = audiohlapi_set_stream_state,
+ .auth = &_afb_auths_v2_audiohl[1],
+ .info = "Change stream active state",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "set_stream_mute",
+ .callback = audiohlapi_set_stream_mute,
+ .auth = &_afb_auths_v2_audiohl[1],
+ .info = "Change stream mute state",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "get_stream_info",
+ .callback = audiohlapi_get_stream_info,
+ .auth = NULL,
+ .info = "Retrieve stream information",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
.verb = "set_volume",
.callback = audiohlapi_set_volume,
- .auth = &_afb_auths_v2_audiohl[0],
- .info = "Set volume",
+ .auth = &_afb_auths_v2_audiohl[2],
+ .info = "Set volume on endpoint",
.session = AFB_SESSION_NONE_V2
},
{
.verb = "get_volume",
.callback = audiohlapi_get_volume,
.auth = NULL,
- .info = "Get volume",
+ .info = "Get endpoint volume",
+ .session = AFB_SESSION_NONE_V2
+ },
+ {
+ .verb = "get_endpoint_info",
+ .callback = audiohlapi_get_endpoint_info,
+ .auth = NULL,
+ .info = "Retrieve endpoint information including its properties",
.session = AFB_SESSION_NONE_V2
},
{
.verb = "set_property",
.callback = audiohlapi_set_property,
- .auth = &_afb_auths_v2_audiohl[0],
- .info = "Set property value",
+ .auth = &_afb_auths_v2_audiohl[2],
+ .info = "Set endpoint property value",
.session = AFB_SESSION_NONE_V2
},
{
.verb = "get_property",
.callback = audiohlapi_get_property,
.auth = NULL,
- .info = "Get property value",
- .session = AFB_SESSION_NONE_V2
- },
- {
- .verb = "set_state",
- .callback = audiohlapi_set_state,
- .auth = &_afb_auths_v2_audiohl[0],
- .info = "Set state",
+ .info = "Get endpoint property value",
.session = AFB_SESSION_NONE_V2
},
{
- .verb = "get_state",
- .callback = audiohlapi_get_state,
+ .verb = "get_list_actions",
+ .callback = audiohlapi_get_list_actions,
.auth = NULL,
- .info = "Get state value",
+ .info = "Retrieve a list of supported actions for a particular audio role",
.session = AFB_SESSION_NONE_V2
},
{
- .verb = "post_sound_event",
- .callback = audiohlapi_post_sound_event,
- .auth = &_afb_auths_v2_audiohl[1],
- .info = "Post sound event",
+ .verb = "post_action",
+ .callback = audiohlapi_post_action,
+ .auth = &_afb_auths_v2_audiohl[3],
+ .info = "Post sound or audio device related action event (extendable mechanism)",
.session = AFB_SESSION_NONE_V2
},
{
@@ -259,7 +299,7 @@ const struct afb_binding_v2 afbBindingV2 = {
.verbs = _afb_verbs_v2_audiohl,
.preinit = NULL,
.init = AhlBindingInit,
- .onevent = NULL,
+ .onevent = AhlOnEvent,
.noconcurrency = 0
};
diff --git a/src/ahl-apidef.json b/src/ahl-apidef.json
index 45067ea..3ab6f4a 100644
--- a/src/ahl-apidef.json
+++ b/src/ahl-apidef.json
@@ -1,6 +1,5 @@
{
"openapi": "3.0.0",
- "$schema": "http:iot.bzh/download/openapi/schema-3.0/default-schema.json",
"info": {
"description": "Audio high level API for AGL applications",
"title": "audiohighlevel",
@@ -11,7 +10,7 @@
"prefix": "audiohlapi_",
"postfix": "",
"start": null,
- "onevent": null,
+ "onevent": "AhlOnEvent",
"init": "AhlBindingInit",
"scope": "",
"private": false
@@ -107,23 +106,21 @@
},
"stream_info": {
"type": "object",
- "required": [ "stream_id", "endpoint_info" ],
+ "required": [ "stream_id", "state", "mute", "endpoint_info" ],
"properties": {
"stream_id": { "type": "int" },
+ "state": { "type": "int" },
+ "mute": { "type": "int" },
+ "device_uri": { "type": "string" },
"$ref": "#/components/schemas/endpoint_info"
}
}
},
"x-permissions": {
- "streamcontrol": {
- "permission": "urn:AGL:permission:audio:public:streamcontrol"
- },
- "routingcontrol": {
- "permission": "urn:AGL:permission:audio:public:routingcontrol"
- },
- "soundevent": {
- "permission": "urn:AGL:permission:audio:public:soundevent"
- }
+ "streamcontrol": { "permission": "urn:AGL:permission:audio:public:streamcontrol"},
+ "endpointcontrol": { "permission": "urn:AGL:permission:audio:public:endpointcontrol"},
+ "audiostream": { "permission": "urn:AGL:permission:audio:public:audiostream"},
+ "soundevent": {"permission": "urn:AGL:permission:audio:public:soundevent"}
},
"responses": {
"200": {
@@ -136,9 +133,7 @@
}
}
},
- "400": {
- "description": "Invalid arguments"
- }
+ "400": { "description": "Invalid arguments" }
}
},
"paths": {
@@ -186,15 +181,14 @@
"items": { "$ref": "#/components/schemas/endpoint_info"}
}
},
- "400": {
- "$ref": "#/components/responses/400" }
+ "400": { "$ref": "#/components/responses/400" }
}
}
},
"/stream_open": {
"description": "Request opening a stream",
"get": {
- "x-permissions": { "$ref": "#/components/x-permissions/streamcontrol" },
+ "x-permissions": { "$ref": "#/components/x-permissions/audiostream" },
"parameters": [
{
"in": "query",
@@ -230,7 +224,7 @@
"/stream_close": {
"description": "Request closing a stream",
"get": {
- "x-permissions": { "$ref": "#/components/x-permissions/streamcontrol" },
+ "x-permissions": { "$ref": "#/components/x-permissions/audiostream" },
"parameters": [
{
"in": "query",
@@ -245,34 +239,50 @@
}
}
},
- "/set_volume": {
- "description": "Set volume",
+ "/set_stream_state": {
+ "description": "Change stream active state",
"get": {
- "x-permissions": { "$ref": "#/components/x-permissions/streamcontrol" },
+ "x-permissions": {
+ "$ref": "#/components/x-permissions/streamcontrol"
+ },
"parameters": [
{
"in": "query",
- "name": "endpoint_type",
+ "name": "stream_id",
"required": true,
- "schema": { "type": "enum" }
+ "schema": {"type": "int"}
},
{
"in": "query",
- "name": "endpoint_id",
+ "name": "state",
"required": true,
- "schema": { "type": "int" }
- },
+ "schema": {"type": "int"}
+ }
+ ],
+ "responses": {
+ "200": { "$ref": "#/components/responses/200" },
+ "400": { "$ref": "#/components/responses/400" }
+ }
+ }
+ },
+ "/set_stream_mute": {
+ "description": "Change stream mute state",
+ "get": {
+ "x-permissions": {
+ "$ref": "#/components/x-permissions/streamcontrol"
+ },
+ "parameters": [
{
"in": "query",
- "name": "volume",
+ "name": "stream_id",
"required": true,
- "schema": { "type": "string" }
+ "schema": {"type": "int"}
},
{
"in": "query",
- "name": "ramp_time_ms",
- "required": false,
- "schema": { "type": "int" }
+ "name": "mute",
+ "required": true,
+ "schema": {"type": "int"}
}
],
"responses": {
@@ -281,39 +291,33 @@
}
}
},
- "/get_volume": {
- "description": "Get volume",
+ "/get_stream_info": {
+ "description": "Retrieve stream information",
"get": {
"parameters": [
{
"in": "query",
- "name": "endpoint_type",
- "required": true,
- "schema": { "type": "enum" }
- },
- {
- "in": "query",
- "name": "endpoint_id",
+ "name": "stream_id",
"required": true,
- "schema": { "type": "int" }
+ "schema": {"type": "int"}
}
],
"responses": {
"200": {
"$ref": "#/components/responses/200",
"response": {
- "description": "Endpoint volume value",
- "type": "double"
+ "description": "Stream information structure",
+ "$ref": "#/components/schemas/stream_info"
}
},
"400": { "$ref": "#/components/responses/400" }
}
}
},
- "/set_property": {
- "description": "Set property value",
+ "/set_volume": {
+ "description": "Set volume on endpoint",
"get": {
- "x-permissions": { "$ref": "#/components/x-permissions/streamcontrol" },
+ "x-permissions": { "$ref": "#/components/x-permissions/endpointcontrol" },
"parameters": [
{
"in": "query",
@@ -324,26 +328,14 @@
{
"in": "query",
"name": "endpoint_id",
- "required": false,
- "schema": { "type": "int" }
- },
- {
- "in": "query",
- "name": "property_name",
"required": true,
- "schema": { "type": "string" }
+ "schema": { "type": "int" }
},
{
"in": "query",
- "name": "value",
+ "name": "volume",
"required": true,
"schema": { "type": "string" }
- },
- {
- "in": "query",
- "name": "ramp_time_ms",
- "required": false,
- "schema": { "type": "int" }
}
],
"responses": {
@@ -352,8 +344,8 @@
}
}
},
- "/get_property": {
- "description": "Get property value",
+ "/get_volume": {
+ "description": "Get endpoint volume",
"get": {
"parameters": [
{
@@ -365,21 +357,15 @@
{
"in": "query",
"name": "endpoint_id",
- "required": false,
- "schema": { "type": "int" }
- },
- {
- "in": "query",
- "name": "property_name",
"required": true,
- "schema": { "type": "string" }
+ "schema": { "type": "int" }
}
],
"responses": {
"200": {
"$ref": "#/components/responses/200",
"response": {
- "description": "Property value",
+ "description": "Endpoint volume value",
"type": "double"
}
},
@@ -387,10 +373,9 @@
}
}
},
- "/set_state": {
- "description": "Set state",
+ "/get_endpoint_info": {
+ "description": "Retrieve endpoint information including its properties",
"get": {
- "x-permissions": { "$ref": "#/components/x-permissions/streamcontrol" },
"parameters": [
{
"in": "query",
@@ -401,18 +386,42 @@
{
"in": "query",
"name": "endpoint_id",
+ "required": false,
+ "schema": { "type": "int" }
+ }
+ ],
+ "responses": {
+ "200": { "$ref": "#/components/responses/200" },
+ "400": { "$ref": "#/components/responses/400" }
+ }
+ }
+ },
+ "/set_property": {
+ "description": "Set endpoint property value",
+ "get": {
+ "x-permissions": { "$ref": "#/components/x-permissions/endpointcontrol" },
+ "parameters": [
+ {
+ "in": "query",
+ "name": "endpoint_type",
"required": true,
+ "schema": { "type": "enum" }
+ },
+ {
+ "in": "query",
+ "name": "endpoint_id",
+ "required": false,
"schema": { "type": "int" }
},
{
"in": "query",
- "name": "state_name",
+ "name": "property_name",
"required": true,
"schema": { "type": "string" }
},
{
"in": "query",
- "name": "state_value",
+ "name": "value",
"required": true,
"schema": { "type": "string" }
}
@@ -423,8 +432,8 @@
}
}
},
- "/get_state": {
- "description": "Get state value",
+ "/get_property": {
+ "description": "Get endpoint property value",
"get": {
"parameters": [
{
@@ -436,12 +445,12 @@
{
"in": "query",
"name": "endpoint_id",
- "required": true,
+ "required": false,
"schema": { "type": "int" }
},
{
"in": "query",
- "name": "state_name",
+ "name": "property_name",
"required": true,
"schema": { "type": "string" }
}
@@ -450,22 +459,39 @@
"200": {
"$ref": "#/components/responses/200",
"response": {
- "description": "Endpoint state value",
- "type": "string"
+ "description": "Property value",
+ "type": "double"
}
},
"400": { "$ref": "#/components/responses/400" }
}
}
},
- "/post_sound_event": {
- "description": "Post sound event",
+ "/get_list_actions": {
+ "description": "Retrieve a list of supported actions for a particular audio role",
+ "get": {
+ "parameters": [
+ {
+ "in": "query",
+ "name": "audio_role",
+ "required": true,
+ "schema": { "type": "string" }
+ }
+ ],
+ "responses": {
+ "200": { "$ref": "#/components/responses/200" },
+ "400": { "$ref": "#/components/responses/400" }
+ }
+ }
+ },
+ "/post_action": {
+ "description": "Post sound or audio device related action event (extendable mechanism)",
"get": {
"x-permissions": { "$ref": "#/components/x-permissions/soundevent" },
"parameters": [
{
"in": "query",
- "name": "event_name",
+ "name": "action_name",
"required": true,
"schema": { "type": "string" }
},
@@ -483,7 +509,7 @@
},
{
"in": "query",
- "name": "audio_context",
+ "name": "action_context",
"required": false,
"schema": { "type": "object" }
}
@@ -530,12 +556,8 @@
}
],
"responses": {
- "200": {
- "$ref": "#/components/responses/200"
- },
- "400": {
- "$ref": "#/components/responses/400"
- }
+ "200": { "$ref": "#/components/responses/200" },
+ "400": { "$ref": "#/components/responses/400" }
}
}
}
diff --git a/src/ahl-binding.c b/src/ahl-binding.c
index 4b075c0..264930f 100644
--- a/src/ahl-binding.c
+++ b/src/ahl-binding.c
@@ -1,6 +1,5 @@
/*
* Copyright (C) 2017 "Audiokinetic Inc"
- * Author Francois Thibault <fthibault@audiokinetic.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -22,43 +21,160 @@
#include "ahl-binding.h"
#include "ahl-apidef.h" // Generated from JSON OpenAPI
#include "wrap-json.h"
+#include "ahl-policy.h"
+#include "ahl-policy-utils.h"
// Global high-level binding context
-AHLCtxT g_AHLCtx;
-
-// Workshop development topics:
-// - Associating streamID with a client id of afb. Has to be done with sessions?
-// - Declaring dependencies on other binding services (examples)
-// - json_object_put to free JSON objects? potential leaks currently
-// - no events on new HAL registered to alsacore?
-// - unregistering event subscription examples?
-// - discussion how to use property and event system to dispatch external parameterization (e.g. Wwise/Fiberdyne)
-// - discussion where to best isolate policy (controller or HLB plugin)
-// - Other HLB attributes to pass through (e.g. interrupted behavior)
-// - DBScale TLV warning
-// - GLib (internal) dependency
-// - HAL registration dependency (initialization order)
-// - Binding startup arguments for config file path
-// - Can we use the same HAL for different card numbers?
-// - Example use of volume ramping in HAL?
-// - Binding termination function
-// - AGL persistence framework?
-// - How to provide API services with config.xml (secrets and all)
-
-
-// Helper macros/func for packaging JSON objects from C structures
-#define EndpointInfoStructToJSON(__JSON_OBJECT__, __ENDPOINTINFOSTRUCT__) \
- wrap_json_pack(&__JSON_OBJECT__, "{s:i,s:i,s:s,s:i}",\
- "endpoint_id", __ENDPOINTINFOSTRUCT__.endpointID, \
- "endpoint_type", __ENDPOINTINFOSTRUCT__.type, \
- "device_name", __ENDPOINTINFOSTRUCT__.deviceName, \
- "device_uri_type", __ENDPOINTINFOSTRUCT__.deviceURIType);
+AHLCtxT g_AHLCtx;
+
+// TODO: Helpers that could be common
+static EndpointTypeT EndpointTypeToEnum(char * in_pEndpointTypeStr)
+{
+ if (in_pEndpointTypeStr == NULL) {
+ return ENDPOINTTYPE_MAXVALUE;
+ }
+ else if (strcasecmp(in_pEndpointTypeStr,AHL_ENDPOINTTYPE_SOURCE)==0) {
+ return ENDPOINTTYPE_SOURCE;
+ }
+ else if (strcasecmp(in_pEndpointTypeStr,AHL_ENDPOINTTYPE_SINK)==0) {
+ return ENDPOINTTYPE_SINK;
+ }
+ else
+ return ENDPOINTTYPE_MAXVALUE;
+}
+
+static StreamStateT StreamStateToEnum(char * in_pStreamStateStr)
+{
+ if (in_pStreamStateStr == NULL) {
+ return STREAM_STATE_MAXVALUE;
+ }
+ else if (strcasecmp(in_pStreamStateStr,AHL_STREAM_STATE_IDLE)==0) {
+ return STREAM_STATE_IDLE;
+ }
+ else if (strcasecmp(in_pStreamStateStr,AHL_STREAM_STATE_RUNNING)==0) {
+ return STREAM_STATE_RUNNING;
+ }
+ else if (strcasecmp(in_pStreamStateStr,AHL_STREAM_STATE_PAUSED)==0) {
+ return STREAM_STATE_PAUSED;
+ }
+ else
+ return STREAM_STATE_MAXVALUE;
+}
+
+static StreamMuteT StreamMuteToEnum(char * in_pStreamMuteStr)
+{
+ if (in_pStreamMuteStr == NULL) {
+ return STREAM_MUTE_MAXVALUE;
+ }
+ else if (strcasecmp(in_pStreamMuteStr,AHL_STREAM_UNMUTED)==0) {
+ return STREAM_UNMUTED;
+ }
+ else if (strcasecmp(in_pStreamMuteStr,AHL_STREAM_MUTED)==0) {
+ return STREAM_MUTED;
+ }
+ else
+ return STREAM_MUTE_MAXVALUE;
+}
+
+static char * DeviceURITypeEnumToStr(DeviceURITypeT in_eDeviceURIType) {
+ switch(in_eDeviceURIType) {
+ case DEVICEURITYPE_ALSA_HW: // Alsa hardware device URI
+ return AHL_DEVICEURITYPE_ALSA_HW;
+ case DEVICEURITYPE_ALSA_DMIX: // Alsa Dmix device URI (only for playback devices)
+ return AHL_DEVICEURITYPE_ALSA_DMIX;
+ case DEVICEURITYPE_ALSA_DSNOOP: // Alsa DSnoop device URI (only for capture devices)
+ return AHL_DEVICEURITYPE_ALSA_DSNOOP;
+ case DEVICEURITYPE_ALSA_SOFTVOL: // Alsa softvol device URI
+ return AHL_DEVICEURITYPE_ALSA_SOFTVOL;
+ case DEVICEURITYPE_ALSA_PLUG: // Alsa plug device URI
+ return AHL_DEVICEURITYPE_ALSA_PLUG;
+ case DEVICEURITYPE_ALSA_OTHER: // Alsa domain URI device of unspecified type
+ return AHL_DEVICEURITYPE_ALSA_OTHER;
+ case DEVICEURITYPE_NOT_ALSA: // Unknown (not ALSA domain)
+ return AHL_DEVICEURITYPE_NOT_ALSA;
+ default:
+ return "Unknown";
+ }
+}
+
+static char * StreamStateEnumToStr(StreamStateT in_eStreamState) {
+ switch(in_eStreamState) {
+ case STREAM_STATE_IDLE:
+ return AHL_STREAM_STATE_IDLE;
+ case STREAM_STATE_RUNNING:
+ return AHL_STREAM_STATE_RUNNING;
+ case STREAM_STATE_PAUSED:
+ return AHL_STREAM_STATE_PAUSED;
+ default:
+ return "Unknown";
+ }
+}
+
+static char * StreamMuteEnumToStr(StreamMuteT in_eStreamMute) {
+ switch(in_eStreamMute) {
+ case STREAM_UNMUTED:
+ return AHL_STREAM_UNMUTED;
+ case STREAM_MUTED:
+ return AHL_STREAM_MUTED;
+ default:
+ return "Unknown";
+ }
+}
+
+static void AudioFormatStructToJSON(json_object **audioFormatJ, AudioFormatT * pAudioFormat)
+{
+ wrap_json_pack(audioFormatJ, "{s:i,s:i,s:i}",
+ "sample_rate", pAudioFormat->sampleRate,
+ "num_channels", pAudioFormat->numChannels,
+ "sample_type", pAudioFormat->sampleType);
+}
+
+// Package only information that can useful to application clients when selecting endpoint
+static void EndpointInfoStructToJSON(json_object **endpointInfoJ, EndpointInfoT * pEndpointInfo)
+{
+ json_object *formatInfoJ = NULL;
+ wrap_json_pack(endpointInfoJ, "{s:i,s:s,s:s,s:s,s:s,s:s,s:s}",
+ "endpoint_id", pEndpointInfo->endpointID,
+ "endpoint_type", (pEndpointInfo->type == ENDPOINTTYPE_SOURCE) ? AHL_ENDPOINTTYPE_SOURCE : AHL_ENDPOINTTYPE_SINK,
+ "device_name", pEndpointInfo->gsDeviceName,
+ "display_name", pEndpointInfo->gsDisplayName,
+ "audio_role", pEndpointInfo->pRoleName,
+ "device_domain",pEndpointInfo->gsDeviceDomain,
+ "device_uri_type", DeviceURITypeEnumToStr(pEndpointInfo->deviceURIType));
+ AudioFormatStructToJSON(&formatInfoJ,&pEndpointInfo->format);
+ json_object_object_add(*endpointInfoJ,"format",formatInfoJ);
+
+ // Properties
+ if (pEndpointInfo->pPropTable) {
+ json_object *pPropTableJ = json_object_new_array();
+
+ GHashTableIter iter;
+ gpointer key, value;
+ g_hash_table_iter_init (&iter, pEndpointInfo->pPropTable);
+ while (g_hash_table_iter_next (&iter, &key, &value))
+ {
+ if((key!=NULL) && (value!=NULL))
+ {
+ json_object *pPropertyJ = NULL;
+ json_object_get((json_object*)value); // Don't let the framework free our object when the request is done
+ wrap_json_pack(&pPropertyJ, "{s:s,s:o}","property_name", (char*)key, "property_value", (json_object*)value);
+ json_object_array_add(pPropTableJ, pPropertyJ);
+ }
+ }
+ json_object_object_add(*endpointInfoJ,"properties",pPropTableJ);
+ }
+}
-static void StreamInfoStructToJSON(json_object **streamInfoJ, StreamInfoT streamInfo)
+// Package only information that can useful to application clients when opening a stream
+static void StreamInfoStructToJSON(json_object **streamInfoJ, StreamInfoT * pStreamInfo)
{
- json_object *endpointInfoJ;
- EndpointInfoStructToJSON(endpointInfoJ,streamInfo.endpointInfo);
- wrap_json_pack(streamInfoJ, "{s:i}", "stream_id", streamInfo.streamID);
+ json_object *endpointInfoJ = NULL;
+ EndpointInfoStructToJSON(&endpointInfoJ,pStreamInfo->pEndpointInfo);
+ wrap_json_pack(streamInfoJ, "{s:i,s:s,s:s,s:s}",
+ "stream_id", pStreamInfo->streamID,
+ "state", StreamStateEnumToStr(pStreamInfo->streamState),
+ "mute", StreamMuteEnumToStr(pStreamInfo->streamMute),
+ "device_uri",pStreamInfo->pEndpointInfo->gsDeviceURI); // Need to open a stream to have access to the device URI
json_object_object_add(*streamInfoJ,"endpoint_info",endpointInfoJ);
}
@@ -69,86 +185,378 @@ static streamID_t CreateNewStreamID()
return newID;
}
-static int FindRoleIndex( const char * in_pAudioRole)
+static EndpointInfoT * GetEndpointInfoWithRole(endpointID_t in_endpointID, EndpointTypeT in_endpointType, RoleInfoT * in_pRole)
{
- int index = -1; // Not found
- for (int i = 0; i < g_AHLCtx.policyCtx.iNumberRoles; i++)
- {
- GString gs = g_array_index( g_AHLCtx.policyCtx.pAudioRoles, GString, i );
- if ( strcasecmp(gs.str,in_pAudioRole) == 0 )
- index = i;
+ EndpointInfoT * pEndpointInfo = NULL;
+ GPtrArray * pDeviceArray = NULL;
+ if (in_endpointType == ENDPOINTTYPE_SOURCE){
+ pDeviceArray = in_pRole->pSourceEndpoints;
+ }
+ else {
+ pDeviceArray = in_pRole->pSinkEndpoints;
}
- return index;
+ g_assert_nonnull(pDeviceArray);
+
+ for (int j = 0; j < pDeviceArray->len; j++) {
+ EndpointInfoT * pCurEndpointInfo = g_ptr_array_index(pDeviceArray,j);
+ g_assert_nonnull(pCurEndpointInfo);
+ if (pCurEndpointInfo->endpointID == in_endpointID) {
+ pEndpointInfo = pCurEndpointInfo;
+ break;
+ }
+ }
+
+ return pEndpointInfo;
+}
+
+static int ReplaceEndpointInfoWithRole(endpointID_t in_endpointID, EndpointTypeT in_endpointType, RoleInfoT * in_pRole, EndpointInfoT * in_pNewEndpoint)
+{
+ GPtrArray * pDeviceArray = NULL;
+ if (in_endpointType == ENDPOINTTYPE_SOURCE){
+ pDeviceArray = in_pRole->pSourceEndpoints;
+ }
+ else {
+ pDeviceArray = in_pRole->pSinkEndpoints;
+ }
+ g_assert_nonnull(pDeviceArray);
+
+ for (int j = 0; j < pDeviceArray->len; j++) {
+ EndpointInfoT * pCurEndpointInfo = g_ptr_array_index(pDeviceArray,j);
+ g_assert_nonnull(pCurEndpointInfo);
+ if (pCurEndpointInfo->endpointID == in_endpointID) {
+ g_ptr_array_insert(pDeviceArray,j,in_pNewEndpoint);
+ g_ptr_array_remove_index(pDeviceArray,j+1);
+ TermEndpointInfo(pCurEndpointInfo);
+ // GLib automatically frees item upon array removal
+ return AHL_SUCCESS;
+ }
+ }
+
+ return AHL_FAIL;
}
static EndpointInfoT * GetEndpointInfo(endpointID_t in_endpointID, EndpointTypeT in_endpointType)
{
EndpointInfoT * pEndpointInfo = NULL;
- for (int i = 0; i < g_AHLCtx.policyCtx.iNumberRoles; i++)
+
+ GHashTableIter iter;
+ gpointer key, value;
+ g_hash_table_iter_init (&iter, g_AHLCtx.policyCtx.pRoleInfo);
+ while (pEndpointInfo == NULL && g_hash_table_iter_next (&iter, &key, &value))
{
- GArray * pRoleDeviceArray = NULL;
- if (in_endpointType == ENDPOINTTYPE_SOURCE){
- pRoleDeviceArray = g_ptr_array_index( g_AHLCtx.policyCtx.pSourceEndpoints, i );
+ RoleInfoT * pRoleInfo = (RoleInfoT*)value;
+ pEndpointInfo = GetEndpointInfoWithRole(in_endpointID,in_endpointType,pRoleInfo);
+ }
+
+ return pEndpointInfo;
+}
+
+static StreamInfoT * GetStream(streamID_t in_streamID)
+{
+ if (g_AHLCtx.policyCtx.pStreams == NULL)
+ return NULL;
+
+ return g_hash_table_lookup(g_AHLCtx.policyCtx.pStreams,GINT_TO_POINTER(&in_streamID));
+}
+
+static RoleInfoT * GetRole(char * in_pAudioRoleName)
+{
+ if (g_AHLCtx.policyCtx.pRoleInfo == NULL)
+ return NULL;
+
+ return g_hash_table_lookup(g_AHLCtx.policyCtx.pRoleInfo,in_pAudioRoleName);
+}
+
+static AHLClientCtxT * AllocateClientContext()
+{
+ AHLClientCtxT * pClientCtx = malloc(sizeof(AHLClientCtxT));
+ pClientCtx->pStreamAccessList = g_array_new(FALSE, TRUE, sizeof(streamID_t));
+ return pClientCtx;
+}
+
+static void TerminateClientContext(void * ptr)
+{
+ AHLClientCtxT * pClientCtx = (AHLClientCtxT *) ptr;
+ if (pClientCtx != NULL) {
+
+ // Avoid having policy in bad state if client loses WS connection (e.g. app termination without close stream)
+ // Force close streams in those cases.
+
+ if (pClientCtx->pStreamAccessList != NULL) {
+#ifndef AHL_DISCONNECT_POLICY
+ for (int i = 0; i < pClientCtx->pStreamAccessList->len; i++)
+ {
+ streamID_t streamID = g_array_index(pClientCtx->pStreamAccessList,streamID_t,i);
+ // Call policy to verify whether creating a new audio stream is allowed in current context and possibly take other actions
+ StreamInfoT * pStreamInfo = GetStream(streamID);
+ if (pStreamInfo == NULL) {
+ AFB_ERROR("Specified stream not currently active stream_id -> %d",streamID);
+ return;
+ }
+
+ json_object *pPolicyStreamJ = NULL;
+ int err = PolicyStreamStructToJSON(pStreamInfo, &pPolicyStreamJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ AFB_ERROR("Audio policy violation, Unable to get JSON object for Policy_CloseStream");
+ return;
+ }
+ Policy_CloseStream(pPolicyStreamJ);
+ }
+#endif
+ g_array_free( pClientCtx->pStreamAccessList, TRUE);
+ pClientCtx->pStreamAccessList = NULL;
}
- else{
- pRoleDeviceArray = g_ptr_array_index( g_AHLCtx.policyCtx.pSinkEndpoints, i );
+ free(pClientCtx);
+ }
+}
+
+static int CheckStreamAccessControl(AHLClientCtxT * pClientCtx, streamID_t streamID)
+{
+ int iAccessControl = AHL_ACCESS_CONTROL_DENIED;
+ if (pClientCtx && pClientCtx->pStreamAccessList) {
+ for (int i = 0; i < pClientCtx->pStreamAccessList->len ; i++) {
+ streamID_t iID = g_array_index(pClientCtx->pStreamAccessList,streamID_t,i);
+ if (iID == streamID) {
+ iAccessControl = AHL_ACCESS_CONTROL_GRANTED;
+ }
}
- for (int j = 0; j < pRoleDeviceArray->len; j++) {
- EndpointInfoT * pCurEndpointInfo = &g_array_index(pRoleDeviceArray,EndpointInfoT,j);
- if (pCurEndpointInfo->endpointID == in_endpointID) {
- pEndpointInfo = pCurEndpointInfo;
- break;
+ }
+ return iAccessControl;
+}
+
+static int CreateEvents()
+{
+ int err = 0;
+
+ g_AHLCtx.policyCtx.propertyEvent = afb_daemon_make_event(AHL_ENDPOINT_PROPERTY_EVENT);
+ err = !afb_event_is_valid(g_AHLCtx.policyCtx.propertyEvent);
+ if (err) {
+ AFB_ERROR("Could not create endpoint property change event");
+ return err;
+ }
+
+ g_AHLCtx.policyCtx.volumeEvent = afb_daemon_make_event(AHL_ENDPOINT_VOLUME_EVENT);
+ err = !afb_event_is_valid(g_AHLCtx.policyCtx.volumeEvent);
+ if (err) {
+ AFB_ERROR("Could not create endpoint volume change event");
+ return err;
+ }
+
+ g_AHLCtx.policyCtx.postActionEvent = afb_daemon_make_event(AHL_POST_ACTION_EVENT);
+ err = !afb_event_is_valid(g_AHLCtx.policyCtx.postActionEvent);
+ if (err) {
+ AFB_ERROR("Could not create post action event call event");
+ return err;
+ }
+
+ return err;
+}
+
+static void AhlBindingTerm()
+{
+#ifndef AHL_DISCONNECT_POLICY
+ // Policy termination
+ Policy_Term();
+#endif
+
+ // Roles
+ if (g_AHLCtx.policyCtx.pRoleInfo != NULL) {
+ GHashTableIter iter;
+ gpointer key, value;
+ g_hash_table_iter_init(&iter, g_AHLCtx.policyCtx.pRoleInfo);
+ while (g_hash_table_iter_next (&iter, &key, &value))
+ {
+ RoleInfoT * pRole = (RoleInfoT *)value;
+ if (pRole)
+ {
+ if(pRole->pRoleName) {
+ g_free(pRole->pRoleName);
+ pRole->pRoleName = NULL;
+ }
+ // Actions
+ if (pRole->pActionList) {
+ for (int i = 0; i < pRole->pActionList->len; i++)
+ {
+ g_ptr_array_remove_index( pRole->pActionList, i ); // Free char * is called by GLib
+ }
+ }
+ // Source endpoints
+ if (pRole->pSourceEndpoints) {
+ for (int i = 0; i < pRole->pSourceEndpoints->len; i++)
+ {
+ EndpointInfoT * pEndpoint = g_ptr_array_remove_index( pRole->pSourceEndpoints, i ); // Free endpoint * is called by GLib
+ if (pEndpoint) {
+ TermEndpointInfo(pEndpoint);
+ }
+ }
+ }
+ // Sink endpoints
+ if (pRole->pSinkEndpoints) {
+ for (int i = 0; i < pRole->pSinkEndpoints->len; i++)
+ {
+ EndpointInfoT * pEndpoint = g_ptr_array_remove_index( pRole->pSinkEndpoints, i ); // Free endpoint * is called by GLib
+ if (pEndpoint) {
+ TermEndpointInfo(pEndpoint);
+ }
+ }
+ }
+ free(pRole);
}
}
+ g_hash_table_remove_all(g_AHLCtx.policyCtx.pRoleInfo);
+ g_hash_table_destroy(g_AHLCtx.policyCtx.pRoleInfo);
+ g_AHLCtx.policyCtx.pRoleInfo = NULL;
}
- return pEndpointInfo;
+
+ if (g_AHLCtx.policyCtx.pStreams) {
+ GHashTableIter iter;
+ gpointer key, value;
+ g_hash_table_iter_init (&iter, g_AHLCtx.policyCtx.pStreams);
+ while (g_hash_table_iter_next (&iter, &key, &value))
+ {
+ if (value)
+ free(value);
+ }
+ g_hash_table_remove_all(g_AHLCtx.policyCtx.pStreams);
+ g_hash_table_destroy(g_AHLCtx.policyCtx.pStreams);
+ g_AHLCtx.policyCtx.pStreams = NULL;
+ }
+
+ if (g_AHLCtx.policyCtx.pHALList) {
+ g_ptr_array_free(g_AHLCtx.policyCtx.pHALList,TRUE);
+ g_AHLCtx.policyCtx.pHALList = NULL;
+ }
+
+ AFB_INFO("Audio high-level binding termination success");
}
// Binding initialization
PUBLIC int AhlBindingInit()
{
- int errcount = 0;
int err = 0;
- // This API uses services from low level audio
- err = afb_daemon_require_api_v2("alsacore",1) ;
- if( err != 0 )
+ memset(&g_AHLCtx,0,sizeof(g_AHLCtx));
+
+ // Register exit function
+ atexit(AhlBindingTerm);
+
+ //Create AGL Events
+ err=CreateEvents();
+ if(err)
{
- AFB_ERROR("Audio high level API requires alsacore API to be available");
- return 1;
+ //Error messages already reported inside CreateEvents
+ return err;
}
// Parse high-level binding JSON configuration file (will build device lists)
- errcount += ParseHLBConfig();
+ err = ParseHLBConfig();
+ if(err)
+ {
+ //Error messages already reported inside ParseHLBConfig
+ return err;
+ }
+
+#ifndef AHL_DISCONNECT_POLICY
+ // Policy initialization
+ err = Policy_Init();
+ if(err == AHL_POLICY_REJECT)
+ {
+ //Error messages already reported inside PolicyInit
+ return err;
+ }
- // Initialize list of active streams
- g_AHLCtx.policyCtx.pActiveStreams = g_array_new(FALSE,TRUE,sizeof(StreamInfoT));
+ // for all audio Roles
+ GHashTableIter iter;
+ gpointer key, value;
+
+ g_hash_table_iter_init (&iter, g_AHLCtx.policyCtx.pRoleInfo);
+ while (g_hash_table_iter_next (&iter, &key, &value))
+ {
+ RoleInfoT * pRoleInfo = (RoleInfoT*)value;
+ if (pRoleInfo->pSourceEndpoints){
+ // for all source endpoints
+ for (int j = 0; j < pRoleInfo->pSourceEndpoints->len; j++) {
+ EndpointInfoT * pCurEndpointInfo = g_ptr_array_index(pRoleInfo->pSourceEndpoints,j);
+ g_assert_nonnull(pCurEndpointInfo);
+ json_object *pPolicyEndpointJ = NULL;
+ err = PolicyEndpointStructToJSON(pCurEndpointInfo, &pPolicyEndpointJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ AFB_ERROR("Unable to Create Endpoint Json object error:%s ",wrap_json_get_error_string(err));
+ return err;
+ }
+ else
+ {
+ err = Policy_Endpoint_Init(pPolicyEndpointJ);
+ if (err == AHL_POLICY_REJECT) {
+ AFB_ERROR("Policy endpoint properties initalization failed for endpoint_id :%d type:%d",pCurEndpointInfo->endpointID, pCurEndpointInfo->type);
+ }
+ //free pPolicyEndpointJ
+ json_object_put(pPolicyEndpointJ);
+ }
+ }
+ }
+ if (pRoleInfo->pSinkEndpoints){
+ // for all sink endpoints
+ for (int j = 0; j < pRoleInfo->pSinkEndpoints->len; j++) {
+ EndpointInfoT * pCurEndpointInfo = g_ptr_array_index(pRoleInfo->pSinkEndpoints,j);
+ g_assert_nonnull(pCurEndpointInfo);
+ json_object *pPolicyEndpointJ = NULL;
+ err = PolicyEndpointStructToJSON(pCurEndpointInfo, &pPolicyEndpointJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ AFB_ERROR("Unable to Create Endpoint Json object error:%s ",wrap_json_get_error_string(err));
+ return err;
+ }
+ else
+ {
+ err = Policy_Endpoint_Init(pPolicyEndpointJ);
+ if (err== AHL_POLICY_REJECT) {
+ AFB_ERROR("Policy endpoint properties initalization failed for endpoint_id :%d type:%d",pCurEndpointInfo->endpointID, pCurEndpointInfo->type);
+ }
+ //free pPolicyEndpointJ
+ json_object_put(pPolicyEndpointJ);
+ }
- // TODO: Register for device changes ALSA low level audio service
+ }
+ }
+ }
+#endif
- // TODO: Perform other binding initialization tasks (e.g. broadcast service ready event?)
+ // Initialize list of active streams
+ g_AHLCtx.policyCtx.pStreams = g_hash_table_new(g_int_hash, g_int_equal);
+ if(g_AHLCtx.policyCtx.pStreams == NULL)
+ {
+ AFB_ERROR("Unable to create Active Stream List");
+ return err;
+ }
- // TODO: Use AGL persistence framework to retrieve and set inital state/volumes/properties
+ // TODO: Use AGL persistence framework to retrieve and set initial volumes/properties
- AFB_DEBUG("Audio high-level Binding success errcount=%d", errcount);
- return errcount;
+ AFB_DEBUG("Audio high-level Binding success");
+ return err;
}
-// TODO: AhlBindingTerm()?
-// // TODO: Use AGL persistence framework to retrieve and set inital state/volumes
+PUBLIC void AhlOnEvent(const char *evtname, json_object *eventJ)
+{
+ AFB_DEBUG("AHL received event %s", evtname);
-// TODO: OnEventFunction
-// if ALSA device availability change -> update source / sink list
-// Call policy to attempt to assign role based on information (e.g. device name)
-// Policy should also determine priority (insert device in right spot in the list)
+ // TODO: Handle event from the policy to update internal information (currently not possible since within the same binding)
+
+#ifndef AHL_DISCONNECT_POLICY
+ // Temp: currently forward to policy to handle events (they will be received directly when disconnected into separate binding)
+ Policy_OnEvent(evtname, eventJ);
+#endif
+}
PUBLIC void audiohlapi_get_sources(struct afb_req req)
{
- json_object *sourcesJ = NULL;
- json_object *sourceJ = NULL;
+ json_object *devicesJ = NULL;
+ json_object *deviceJ = NULL;
json_object *queryJ = NULL;
char * audioRole = NULL;
-
+
queryJ = afb_req_json(req);
int err = wrap_json_unpack(queryJ, "{s:s}", "audio_role", &audioRole);
if (err) {
@@ -156,40 +564,41 @@ PUBLIC void audiohlapi_get_sources(struct afb_req req)
return;
}
- sourcesJ = json_object_new_array();
-
AFB_DEBUG("Filtering devices according to specified audio role=%s", audioRole);
- // Check that the role requested exists in current configuration
- int roleIndex = FindRoleIndex(audioRole);
- if ( roleIndex == -1)
+
+ RoleInfoT * pRole = GetRole(audioRole);
+ if ( pRole == NULL )
{
afb_req_fail_f(req, "Invalid arguments", "Requested audio role does not exist in current configuration -> %s", json_object_get_string(queryJ));
return;
}
- // List device only for current audio role and device type (pick the role device list)
- int iRoleIndex = FindRoleIndex(audioRole);
- if (iRoleIndex >= 0)
+ else
{
- GArray * pRoleSourceDeviceArray = g_ptr_array_index( g_AHLCtx.policyCtx.pSourceEndpoints, iRoleIndex );
- int iNumberDevices = pRoleSourceDeviceArray->len;
- for ( int j = 0 ; j < iNumberDevices; j++)
- {
- EndpointInfoT sourceInfo = g_array_index(pRoleSourceDeviceArray,EndpointInfoT,j);
- EndpointInfoStructToJSON(sourceJ, sourceInfo);
- json_object_array_add(sourcesJ, sourceJ);
+ devicesJ = json_object_new_array();
+ GPtrArray * pDeviceArray = pRole->pSourceEndpoints;
+ if (pDeviceArray) {
+ int iNumberDevices = pDeviceArray->len;
+ for ( int j = 0 ; j < iNumberDevices; j++)
+ {
+ EndpointInfoT * pEndpointInfo = g_ptr_array_index(pDeviceArray,j);
+ if (pEndpointInfo) {
+ EndpointInfoStructToJSON(&deviceJ, pEndpointInfo);
+ json_object_array_add(devicesJ, deviceJ);
+ }
+ }
}
}
- afb_req_success(req, sourcesJ, "List of sources");
+ afb_req_success(req, devicesJ, "List of sources");
}
PUBLIC void audiohlapi_get_sinks(struct afb_req req)
{
- json_object *sinksJ = NULL;
- json_object *sinkJ = NULL;
+ json_object *devicesJ = NULL;
+ json_object *deviceJ = NULL;
json_object *queryJ = NULL;
char * audioRole = NULL;
-
+
queryJ = afb_req_json(req);
int err = wrap_json_unpack(queryJ, "{s:s}", "audio_role", &audioRole);
if (err) {
@@ -197,109 +606,163 @@ PUBLIC void audiohlapi_get_sinks(struct afb_req req)
return;
}
- sinksJ = json_object_new_array();
-
AFB_DEBUG("Filtering devices according to specified audio role=%s", audioRole);
- // Check that the role requested exists in current configuration
- int roleIndex = FindRoleIndex(audioRole);
- if ( roleIndex == -1)
+
+ RoleInfoT * pRole = GetRole(audioRole);
+ if ( pRole == NULL )
{
afb_req_fail_f(req, "Invalid arguments", "Requested audio role does not exist in current configuration -> %s", json_object_get_string(queryJ));
return;
}
- // List device only for current audio role and device type (pick the role device list)
- int iRoleIndex = FindRoleIndex(audioRole);
- if (iRoleIndex >= 0)
+ else
{
- GArray * pRoleSinkDeviceArray = g_ptr_array_index( g_AHLCtx.policyCtx.pSinkEndpoints, iRoleIndex );
- int iNumberDevices = pRoleSinkDeviceArray->len;
- for ( int j = 0 ; j < iNumberDevices; j++)
- {
- EndpointInfoT sinkInfo = g_array_index(pRoleSinkDeviceArray,EndpointInfoT,j);
- EndpointInfoStructToJSON(sinkJ, sinkInfo);
- json_object_array_add(sinksJ, sinkJ);
+ devicesJ = json_object_new_array();
+ GPtrArray * pDeviceArray = pRole->pSinkEndpoints;
+ if (pDeviceArray) {
+ int iNumberDevices = pDeviceArray->len;
+ for ( int j = 0 ; j < iNumberDevices; j++)
+ {
+ EndpointInfoT * pEndpointInfo = g_ptr_array_index(pDeviceArray,j);
+ EndpointInfoStructToJSON(&deviceJ, pEndpointInfo);
+ json_object_array_add(devicesJ, deviceJ);
+ }
}
}
- afb_req_success(req, sinksJ, "List of sinks");
+ afb_req_success(req, devicesJ, "List of sinks");
}
PUBLIC void audiohlapi_stream_open(struct afb_req req)
{
json_object *streamInfoJ = NULL;
- StreamInfoT streamInfo;
+ StreamInfoT * pStreamInfo = NULL;
json_object *queryJ = NULL;
char * audioRole = NULL;
- EndpointTypeT endpointType;
- endpointID_t endpointID = UNDEFINED_ID;
- int policyAllowed = 0;
- EndpointInfoT endpointInfo;
+ char * endpointTypeStr = NULL;
+ EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ EndpointInfoT * pEndpointInfo = NULL;
+ EndpointSelectionModeT endpointSelMode = ENDPOINTSELMODEMAXVALUE;
queryJ = afb_req_json(req);
- int err = wrap_json_unpack(queryJ, "{s:s,s:i,s?i}", "audio_role", &audioRole, "endpoint_type", &endpointType, "endpoint_id", &endpointID);
+ int err = wrap_json_unpack(queryJ, "{s:s,s:s,s?i}", "audio_role", &audioRole, "endpoint_type", &endpointTypeStr, "endpoint_id", &endpointID);
if (err) {
afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("Parsed input arguments = audio_role:%s endpoint_type:%d endpoint_id:%d", audioRole,endpointType,endpointID);
+ AFB_DEBUG("Parsed input arguments = audio_role:%s endpoint_type:%s endpoint_id:%d", audioRole,endpointTypeStr,endpointID);
+ endpointType = EndpointTypeToEnum(endpointTypeStr);
- int iRoleIndex = FindRoleIndex(audioRole);
- if (iRoleIndex < 0) {
+ // Check if there is already an existing context for this client
+ AHLClientCtxT * pClientCtx = afb_req_context_get(req); // Retrieve client-specific data structure
+ if (pClientCtx == NULL)
+ {
+ pClientCtx = AllocateClientContext();
+ afb_req_context_set(req, pClientCtx, TerminateClientContext);
+ }
+
+ RoleInfoT * pRole = GetRole(audioRole);
+ if ( pRole == NULL )
+ {
afb_req_fail_f(req, "Invalid audio role", "Audio role was not found in configuration -> %s",audioRole);
return;
}
- GArray * pRoleDeviceArray = NULL;
+ GPtrArray * pDeviceArray = NULL;
if (endpointType == ENDPOINTTYPE_SOURCE){
- pRoleDeviceArray = g_ptr_array_index( g_AHLCtx.policyCtx.pSourceEndpoints, iRoleIndex );
+ pDeviceArray = pRole->pSourceEndpoints;
}
else{
- pRoleDeviceArray = g_ptr_array_index( g_AHLCtx.policyCtx.pSinkEndpoints, iRoleIndex );
+ pDeviceArray = pRole->pSinkEndpoints;
}
- if (pRoleDeviceArray->len == 0) {
- afb_req_fail_f(req, "No available devices", "No available devices for role:%s and device type:%d",audioRole,endpointType);
+ if (pDeviceArray == NULL || pDeviceArray->len == 0) {
+ afb_req_fail_f(req, "No available devices", "No available devices for role:%s and device type:%s",audioRole,endpointTypeStr);
return;
}
- if (endpointID == UNDEFINED_ID)
+ if (endpointID == AHL_UNDEFINED)
{
// Assign a device based on configuration priority (first in the list for requested role and endpoint type)
- endpointInfo = g_array_index(pRoleDeviceArray,EndpointInfoT,0);
+ pEndpointInfo = g_ptr_array_index(pDeviceArray,0);
+ endpointSelMode = ENDPOINTSELMODE_AUTO;
+
}
else{
+ endpointSelMode = ENDPOINTSELMODE_MANUAL;
// Find specified endpoint ID in list of devices
- int iNumberDevices = pRoleDeviceArray->len;
- int iEndpointFound = 0;
+ int iNumberDevices = pDeviceArray->len;
for ( int j = 0 ; j < iNumberDevices; j++)
{
- endpointInfo = g_array_index(pRoleDeviceArray,EndpointInfoT,j);
- if (endpointInfo.endpointID == endpointID) {
- iEndpointFound = 1;
+ pEndpointInfo = g_ptr_array_index(pDeviceArray,j);
+ if (pEndpointInfo && pEndpointInfo->endpointID == endpointID) {
break;
}
+ pEndpointInfo = NULL;
}
- if (iEndpointFound == 0) {
- afb_req_fail_f(req, "Endpoint not available", "Specified endpoint not available for role:%s and device type:%d endpoint id %d",audioRole,endpointType,endpointID);
- return;
- }
+
}
+ if (pEndpointInfo == NULL) {
+ afb_req_fail_f(req, "Endpoint not available", "Specified endpoint not available for role:%s and device type:%d endpoint id %d",audioRole,endpointType,endpointID);
+ return;
+ }
+
+ pStreamInfo = (StreamInfoT*) malloc(sizeof(StreamInfoT));
+ memset(pStreamInfo,0,sizeof(StreamInfoT));
+
+ // Create stream
+ pStreamInfo->streamID = CreateNewStreamID(); // create new ID
+ pStreamInfo->streamState = STREAM_STATE_IDLE;
+ pStreamInfo->streamMute = STREAM_UNMUTED;
+ pStreamInfo->pEndpointInfo = pEndpointInfo;
+ pStreamInfo->endpointSelMode = endpointSelMode;
+ // Directly from role config for now, but could be programmatically overriden in the future
+ pStreamInfo->pRoleName = pRole->pRoleName;
+ pStreamInfo->iPriority = pRole->iPriority;
+ pStreamInfo->eInterruptBehavior = pRole->eInterruptBehavior;
+
+#ifndef AHL_DISCONNECT_POLICY
// Call policy to verify whether creating a new audio stream is allowed in current context and possibly take other actions
- policyAllowed = Policy_OpenStream(audioRole, endpointType, endpointID);
- if (policyAllowed == AUDIOHL_POLICY_REJECT)
+ json_object *pPolicyStreamJ = NULL;
+ err = PolicyStreamStructToJSON(pStreamInfo, &pPolicyStreamJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ afb_req_fail(req, "Audio policy violation", "Unable to get JSON object for Policy_OpenStream");
+ return;
+ }
+
+ int policyAllowed = Policy_OpenStream(pPolicyStreamJ);
+ if (policyAllowed == AHL_POLICY_REJECT)
{
afb_req_fail(req, "Audio policy violation", "Open stream not allowed in current context");
return;
+ }
+#endif
+
+ char streamEventName[128];
+ snprintf(streamEventName,128,"ahl_streamstate_%d",pStreamInfo->streamID);
+
+ pStreamInfo->streamStateEvent = afb_daemon_make_event(streamEventName);
+ err = !afb_event_is_valid(pStreamInfo->streamStateEvent);
+ if (err) {
+ afb_req_fail(req, "Stream event creation failure", "Could not create stream specific state change event");
+ return;
}
- // Create stream
- streamInfo.streamID = CreateNewStreamID(); // create new ID
- streamInfo.endpointInfo = endpointInfo;
+ err = afb_req_subscribe(req,pStreamInfo->streamStateEvent);
+ if (err) {
+ afb_req_fail(req, "Stream event subscription failure", "Could not subscribe to stream specific state change event");
+ return;
+ }
+
+ // Add to client context stream ID access rights
+ g_array_append_val(pClientCtx->pStreamAccessList, pStreamInfo->streamID);
// Push stream on active stream list
- g_array_append_val( g_AHLCtx.policyCtx.pActiveStreams, streamInfo );
+ if (g_AHLCtx.policyCtx.pStreams)
+ g_hash_table_insert( g_AHLCtx.policyCtx.pStreams, GINT_TO_POINTER(&pStreamInfo->streamID), pStreamInfo );
- StreamInfoStructToJSON(&streamInfoJ,streamInfo);
+ StreamInfoStructToJSON(&streamInfoJ,pStreamInfo);
afb_req_success(req, streamInfoJ, "Stream info structure");
}
@@ -307,7 +770,7 @@ PUBLIC void audiohlapi_stream_open(struct afb_req req)
PUBLIC void audiohlapi_stream_close(struct afb_req req)
{
json_object *queryJ = NULL;
- streamID_t streamID = UNDEFINED_ID;
+ streamID_t streamID = AHL_UNDEFINED;
queryJ = afb_req_json(req);
int err = wrap_json_unpack(queryJ, "{s:i}", "stream_id", &streamID);
@@ -317,106 +780,252 @@ PUBLIC void audiohlapi_stream_close(struct afb_req req)
}
AFB_DEBUG("Parsed input arguments = stream_id:%d", streamID);
- // TODO: Validate that the application ID from which the stream close is coming is the one that opened it, otherwise fail and do nothing
+
+ StreamInfoT * pStreamInfo = GetStream(streamID);
+ if (pStreamInfo == NULL) {
+ afb_req_fail_f(req, "Stream not found", "Specified stream not currently active stream_id -> %d",streamID);
+ return;
+ }
- // Remove from active stream list (if present)
- int iNumActiveStreams = g_AHLCtx.policyCtx.pActiveStreams->len;
- int iStreamFound = 0;
- for ( int i = 0; i < iNumActiveStreams ; i++ ) {
- StreamInfoT streamInfo = g_array_index(g_AHLCtx.policyCtx.pActiveStreams,StreamInfoT,i);
- if (streamInfo.streamID == streamID){
- g_array_remove_index(g_AHLCtx.policyCtx.pActiveStreams,i);
- iStreamFound = 1;
- break;
- }
+ // Check if there is already an existing context for this client
+ AHLClientCtxT * pClientCtx = afb_req_context_get(req); // Retrieve client-specific data structure
+ if (pClientCtx == NULL)
+ {
+ afb_req_fail(req, "Bad state", "No client context associated with the request (is there an opened stream by this client?)");
+ return;
}
- if (iStreamFound == 0) {
- afb_req_fail_f(req, "Stream not found", "Specified stream not currently active stream_id -> %d",streamID);
+ // Verify that this client can control the stream
+ int iStreamAccessControl = CheckStreamAccessControl( pClientCtx, streamID );
+ if (iStreamAccessControl == AHL_ACCESS_CONTROL_DENIED)
+ {
+ afb_req_fail(req, "Access control denied", "Close stream not allowed in current client context");
return;
}
+#ifndef AHL_DISCONNECT_POLICY
+ json_object *pPolicyStreamJ = NULL;
+ err = PolicyStreamStructToJSON(pStreamInfo, &pPolicyStreamJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ afb_req_fail(req, "Audio policy violation", "Unable to get JSON object for Policy_CloseStream");
+ return;
+ }
+ // Call policy to verify whether creating a new audio stream is allowed in current context and possibly take other actions
+ int policyAllowed = Policy_CloseStream(pPolicyStreamJ);
+ if (policyAllowed == AHL_POLICY_REJECT)
+ {
+ afb_req_fail(req, "Audio policy violation", "Close stream not allowed in current context");
+ return;
+ }
+#endif
+
+ // Unsubscribe client from stream events
+ char streamEventName[128];
+ snprintf(streamEventName,128,"ahl_streamstate_%d",streamID);
+ int iValid = afb_event_is_valid(pStreamInfo->streamStateEvent);
+ if (iValid) {
+ err = afb_req_unsubscribe(req,pStreamInfo->streamStateEvent);
+ if (err) {
+ afb_req_fail(req, "Stream event subscription failure", "Could not unsubscribe to stream specific state change event");
+ return;
+ }
+ }
+
+ // Remove from stream list (if present)
+ if (g_AHLCtx.policyCtx.pStreams)
+ g_hash_table_remove(g_AHLCtx.policyCtx.pStreams,GINT_TO_POINTER(&pStreamInfo->streamID));
+ free(pStreamInfo);
+ pStreamInfo = NULL;
+
+ // Find index for cases where there are multiple streams per client
+ // Remove from client context stream ID and endpoint ID access rights
+ if (pClientCtx->pStreamAccessList) {
+ for (int i = 0; i < pClientCtx->pStreamAccessList->len ; i++) {
+ streamID_t iID = g_array_index(pClientCtx->pStreamAccessList,streamID_t,i);
+ if (iID == streamID) {
+ g_array_remove_index(pClientCtx->pStreamAccessList, i);
+ }
+ }
+
+ if (pClientCtx->pStreamAccessList->len == 0) {
+ // If no more streams/endpoints owner, clear session
+ afb_req_context_clear(req);
+ }
+ }
+
afb_req_success(req, NULL, "Stream close completed");
}
-// Endpoints
-PUBLIC void audiohlapi_set_volume(struct afb_req req)
-{
+ PUBLIC void audiohlapi_set_stream_state(struct afb_req req)
+ {
json_object *queryJ = NULL;
- endpointID_t endpointID = UNDEFINED_ID;
- EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
- char * volumeStr = NULL;
- int rampTimeMS = 0;
- int policyAllowed = 0;
+ streamID_t streamID = AHL_UNDEFINED;
+ char * streamStateStr = NULL;
queryJ = afb_req_json(req);
- int err = wrap_json_unpack(queryJ, "{s:i,s:i,s:s,s?i}", "endpoint_type", &endpointType,"endpoint_id",&endpointID,"volume",&volumeStr,"ramp_time_ms",&rampTimeMS);
+ int err = wrap_json_unpack(queryJ, "{s:i,s:s}", "stream_id", &streamID,"state",&streamStateStr);
if (err) {
afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("Parsed input arguments = endpoint_type:%d endpoint_id:%d volume:%s ramp_time_ms: %d", endpointType,endpointID,volumeStr,rampTimeMS);
-
- // TODO: Parse volume string to support increment/absolute/percent notation
- int vol = atoi(volumeStr);
+ AFB_DEBUG("Parsed input arguments = stream_id:%d, state:%s", streamID,streamStateStr);
+
+ StreamInfoT * pStreamInfo = GetStream(streamID);
+ if (pStreamInfo == NULL) {
+ afb_req_fail_f(req, "Stream not found", "Specified stream not found stream_id -> %d",streamID);
+ return;
+ }
- policyAllowed = Policy_SetVolume(endpointType, endpointID, volumeStr, rampTimeMS); // TODO: Potentially retrieve modified value by policy (e.g. volume limit)
- if (!policyAllowed)
+ // Check if there is already an existing context for this client
+ AHLClientCtxT * pClientCtx = afb_req_context_get(req); // Retrieve client-specific data structure
+ if (pClientCtx == NULL)
{
- afb_req_fail(req, "Audio policy violation", "Set volume not allowed in current context");
+ afb_req_fail(req, "Bad state", "No client context associated with the request (is there an opened stream by this client?)");
return;
}
- // TODO: Cache during device enumeration for efficiency
- EndpointInfoT * pEndpointInfo = GetEndpointInfo(endpointID,endpointType);
- if (pEndpointInfo == NULL)
+ // Verify that this client can control the stream
+ int iStreamAccessControl = CheckStreamAccessControl( pClientCtx, streamID );
+ if (iStreamAccessControl == AHL_ACCESS_CONTROL_DENIED)
{
- afb_req_fail_f(req, "Endpoint not found", "Endpoint information not found for id:%d type%d",endpointID,endpointType);
+ afb_req_fail(req, "Access control denied", "Set stream state not allowed in current client context");
return;
}
- // Using audio role available from endpoint to target the right HAL control (build string based on convention)
- char halControlName[AUDIOHL_MAXHALCONTROLNAME_LENGTH];
- strncpy(halControlName,pEndpointInfo->audioRole,AUDIOHL_MAXHALCONTROLNAME_LENGTH);
- strcat(halControlName,"_Ramp"); // Or _Vol for direct control (no ramping)
+ StreamStateT streamState = StreamStateToEnum(streamStateStr);
+#ifndef AHL_DISCONNECT_POLICY
+ json_object *pPolicyStreamJ = NULL;
+ err = PolicyStreamStructToJSON(pStreamInfo, &pPolicyStreamJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ afb_req_fail(req, "Audio policy violation", "Unable to get JSON object for Policy_SetStreamState");
+ return;
+ }
- // Set endpoint volume using HAL services (leveraging ramps etc.)
- json_object *j_response, *j_query = NULL;
-
- // Package query
- err = wrap_json_pack(&j_query,"{s:s,s:i}","label",halControlName, "val",vol);
+ json_object *paramJ= json_object_new_int(streamState);
+ json_object_object_add(pPolicyStreamJ, "arg_stream_state", paramJ);
+
+ int policyAllowed = Policy_SetStreamState(pPolicyStreamJ);
+ if (policyAllowed == AHL_POLICY_REJECT)
+ {
+ afb_req_fail(req, "Audio policy violation", "Change stream state not allowed in current context");
+ return;
+ }
+#else
+ // Simulate that policy returns target state (accepted)
+ pStreamInfo->streamState = streamState;
+#endif
+
+ afb_req_success(req, NULL, "Set stream state");
+ }
+
+ PUBLIC void audiohlapi_set_stream_mute(struct afb_req req)
+ {
+ json_object *queryJ = NULL;
+ streamID_t streamID = AHL_UNDEFINED;
+ char * pMuteStr = NULL;
+
+ queryJ = afb_req_json(req);
+ int err = wrap_json_unpack(queryJ, "{s:i,s:s}", "stream_id", &streamID,"mute",&pMuteStr);
if (err) {
- afb_req_fail_f(req, "Invalid query for HAL ctlset", "Invalid query for HAL ctlset: %s",json_object_to_json_string(j_query));
+ afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
+ return;
+ }
+ AFB_DEBUG("Parsed input arguments = stream_id:%d, mute:%s", streamID,pMuteStr);
+
+ StreamInfoT * pStreamInfo = GetStream(streamID);
+ if (pStreamInfo == NULL) {
+ afb_req_fail_f(req, "Stream not found", "Specified stream not currently active stream_id -> %d",streamID);
+ return;
+ }
+
+ // Check if there is already an existing context for this client
+ AHLClientCtxT * pClientCtx = afb_req_context_get(req); // Retrieve client-specific data structure
+ if (pClientCtx == NULL)
+ {
+ afb_req_fail(req, "Bad state", "No client context associated with the request (is there an opened stream by this client?)");
+ return;
+ }
+
+ // Verify that this client can control the stream
+ int iStreamAccessControl = CheckStreamAccessControl( pClientCtx, streamID );
+ if (iStreamAccessControl == AHL_ACCESS_CONTROL_DENIED)
+ {
+ afb_req_fail(req, "Access control denied", "Set stream mute state not allowed in current client context");
+ return;
+ }
+
+
+ StreamMuteT muteState = StreamMuteToEnum(pMuteStr);
+#ifndef AHL_DISCONNECT_POLICY
+ json_object *pPolicyStreamJ = NULL;
+ err = PolicyStreamStructToJSON(pStreamInfo, &pPolicyStreamJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ afb_req_fail(req, "Audio policy violation", "Unable to get JSON object for Policy_SetStreamMute");
+ return;
+ }
+
+ json_object *paramJ= json_object_new_int(muteState);
+ json_object_object_add(pPolicyStreamJ, "mute_state", paramJ);
+
+ int policyAllowed = Policy_SetStreamMute(pPolicyStreamJ);
+ if (policyAllowed == AHL_POLICY_REJECT)
+ {
+ afb_req_fail(req, "Audio policy violation", "Mute stream not allowed in current context");
return;
}
+#else
+ // Simulate that policy returns target state (accepted)
+ pStreamInfo->streamMute = muteState;
+#endif
+
+ afb_req_success(req, NULL, "Set stream mute completed");
+ }
- // Set the volume using the HAL
- err = afb_service_call_sync(pEndpointInfo->halAPIName, "ctlset", j_query, &j_response);
+ PUBLIC void audiohlapi_get_stream_info(struct afb_req req)
+ {
+ json_object *queryJ = NULL;
+ streamID_t streamID = AHL_UNDEFINED;
+ json_object * streamInfoJ = NULL;
+
+ queryJ = afb_req_json(req);
+ int err = wrap_json_unpack(queryJ, "{s:i}", "stream_id", &streamID);
if (err) {
- afb_req_fail_f(req, "HAL ctlset failure", "Could not ctlset on HAL: %s",pEndpointInfo->halAPIName);
+ afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("HAL ctlset response=%s", json_object_to_json_string(j_response));
-
- afb_req_success(req, NULL, "Set volume completed");
-}
+ AFB_DEBUG("Parsed input arguments = stream_id:%d", streamID);
-PUBLIC void audiohlapi_get_volume(struct afb_req req)
+ StreamInfoT * pStreamInfo = GetStream(streamID);
+ if (pStreamInfo == NULL) {
+ afb_req_fail_f(req, "Stream not found", "Specified stream not currently active stream_id -> %d",streamID);
+ return;
+ }
+
+ StreamInfoStructToJSON(&streamInfoJ,pStreamInfo);
+
+ afb_req_success(req, streamInfoJ, "Get stream info completed");
+ }
+
+PUBLIC void audiohlapi_set_volume(struct afb_req req)
{
json_object *queryJ = NULL;
- endpointID_t endpointID = UNDEFINED_ID;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ char * pEndpointTypeStr = NULL;
EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
- json_object *volumeJ;
+ char * volumeStr = NULL;
queryJ = afb_req_json(req);
- int err = wrap_json_unpack(queryJ, "{s:i,s:i}", "endpoint_type", &endpointType,"endpoint_id",&endpointID);
+ int err = wrap_json_unpack(queryJ, "{s:s,s:i,s:s}", "endpoint_type", &pEndpointTypeStr,"endpoint_id",&endpointID,"volume",&volumeStr);
if (err) {
afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("Parsed input arguments = endpoint_type:%d endpoint_id:%d", endpointType,endpointID);
+ AFB_DEBUG("Parsed input arguments = endpoint_type:%s endpoint_id:%d volume:%s", pEndpointTypeStr,endpointID,volumeStr);
+ endpointType = EndpointTypeToEnum(pEndpointTypeStr);
- // TODO: Cache during device enumeration for efficiency
EndpointInfoT * pEndpointInfo = GetEndpointInfo(endpointID,endpointType);
if (pEndpointInfo == NULL)
{
@@ -424,221 +1033,545 @@ PUBLIC void audiohlapi_get_volume(struct afb_req req)
return;
}
- // Using audio role available from endpoint to target the right HAL control (build string based on convention)
- char halControlName[AUDIOHL_MAXHALCONTROLNAME_LENGTH];
- strncpy(halControlName,pEndpointInfo->audioRole,AUDIOHL_MAXHALCONTROLNAME_LENGTH);
- strcat(halControlName,"_Vol"); // Use current value, not ramp target
+#ifndef AHL_DISCONNECT_POLICY
+ json_object *pPolicyEndpointJ = NULL;
+ err = PolicyEndpointStructToJSON(pEndpointInfo, &pPolicyEndpointJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ afb_req_fail(req, "Audio policy violation", "Unable to get JSON object for Policy_SetVolume");
+ return;
+ }
- // Set endpoint volume using HAL services (leveraging ramps etc.)
- json_object *j_response, *j_query = NULL;
-
- // Package query
- err = wrap_json_pack(&j_query,"{s:s}","label",halControlName);
- if (err) {
- afb_req_fail_f(req, "Invalid query for HAL ctlget", "Invalid query for HAL ctlget: %s",json_object_to_json_string(j_query));
+ json_object *paramJ= json_object_new_string(volumeStr);
+ json_object_object_add(pPolicyEndpointJ, "arg_volume", paramJ);
+
+ int policyAllowed = Policy_SetVolume(pPolicyEndpointJ);
+ if (!policyAllowed)
+ {
+ afb_req_fail(req, "Audio policy violation", "Set volume not allowed in current context");
return;
}
+#else
+ // Simulate that policy returns target state (accepted)
+ pEndpointInfo->iVolume = atoi(volumeStr);
+#endif
+
+ afb_req_success(req, NULL, "Set volume completed");
+}
- // Set the volume using the HAL
- err = afb_service_call_sync(pEndpointInfo->halAPIName, "ctlget", j_query, &j_response);
+PUBLIC void audiohlapi_get_volume(struct afb_req req)
+{
+ json_object *queryJ = NULL;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ char * pEndpointTypeStr = NULL;
+ EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
+ json_object * volumeJ = NULL;
+
+ queryJ = afb_req_json(req);
+ int err = wrap_json_unpack(queryJ, "{s:s,s:i}", "endpoint_type", &pEndpointTypeStr,"endpoint_id",&endpointID);
if (err) {
- afb_req_fail_f(req, "HAL ctlget failure", "Could not ctlget on HAL: %s",pEndpointInfo->halAPIName);
+ afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_INFO("HAL ctlget response=%s", json_object_to_json_string(j_response));
+ AFB_DEBUG("Parsed input arguments = endpoint_type:%s endpoint_id:%d", pEndpointTypeStr,endpointID);
+ endpointType = EndpointTypeToEnum(pEndpointTypeStr);
- // Parse response
- json_object * jRespObj = NULL;
- json_object_object_get_ex(j_response, "response", &jRespObj);
- json_object * jVal = NULL;
- json_object_object_get_ex(jRespObj, "val", &jVal);
- int val1 = 0, val2 = 0; // Why 2 values?
- err = wrap_json_unpack(jVal, "[ii]", &val1, &val2);
- if (err) {
- afb_req_fail_f(req,"Volume retrieve failed", "Could not retrieve volume value -> %s", json_object_get_string(jVal));
+ EndpointInfoT * pEndpointInfo = GetEndpointInfo(endpointID,endpointType);
+ if (pEndpointInfo == NULL)
+ {
+ afb_req_fail_f(req, "Endpoint not found", "Endpoint information not found for id:%d type%d",endpointID,endpointType);
return;
}
- volumeJ = json_object_new_double((double)val1);
+ volumeJ = json_object_new_int(pEndpointInfo->iVolume);
afb_req_success(req, volumeJ, "Retrieved volume value");
}
-PUBLIC void audiohlapi_set_property(struct afb_req req)
+// Properties
+PUBLIC void audiohlapi_get_endpoint_info(struct afb_req req)
{
json_object *queryJ = NULL;
- endpointID_t endpointID = UNDEFINED_ID;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ char * pEndpointTypeStr = NULL;
EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
- char * propertyName = NULL;
- char * propValueStr = NULL;
- int rampTimeMS = 0;
- int policyAllowed = 0;
queryJ = afb_req_json(req);
- int err = wrap_json_unpack(queryJ, "{s:i,s:i,s:s,s:s,s?i}", "endpoint_type", &endpointType,"endpoint_id",&endpointID,"property_name",&propertyName,"value",&propValueStr,"ramp_time_ms",&rampTimeMS);
+ int err = wrap_json_unpack(queryJ, "{s:s,s:i}", "endpoint_type", &pEndpointTypeStr,"endpoint_id",&endpointID);
if (err) {
afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("Parsed input arguments = endpoint_type:%d endpoint_id:%d property_name:%s value:%s ramp_time_ms:%d", endpointType,endpointID,propertyName,propValueStr,rampTimeMS);
-
- // TODO: Parse property value string to support increment/absolute/percent notation
+ AFB_DEBUG("Parsed input arguments = endpoint_type:%s endpoint_id:%d", pEndpointTypeStr,endpointID);
+ endpointType = EndpointTypeToEnum(pEndpointTypeStr);
- // Call policy to allow custom policy actions in current context
- policyAllowed = Policy_SetProperty(endpointType, endpointID, propertyName, propValueStr, rampTimeMS); // TODO: Potentially retrieve modified value by policy (e.g. parameter limit)
- if (!policyAllowed)
+ EndpointInfoT * pEndpointInfo = GetEndpointInfo(endpointID,endpointType);
+ if (pEndpointInfo == NULL)
{
- afb_req_fail(req, "Audio policy violation", "Set endpoint property not allowed in current context");
+ afb_req_fail_f(req, "Endpoint not found", "Endpoint information not found for id:%d type%d",endpointID,endpointType);
return;
}
- // TODO: Set endpoint property (dispatch on right service target)
- // Property targets (Internal,Wwise,Fiberdyne) (e.g. Wwise.ParamX, Fiberdyne.ParamY, Internal.ParamZ)
- // Cache value in property list
- // TBD
+ json_object *endpointInfoJ = NULL;
+ EndpointInfoStructToJSON(&endpointInfoJ,pEndpointInfo);
- afb_req_success(req, NULL, "Set property completed");
+ afb_req_success(req, endpointInfoJ, "Retrieved endpoint information and properties");
}
-PUBLIC void audiohlapi_get_property(struct afb_req req)
+PUBLIC void audiohlapi_set_property(struct afb_req req)
{
json_object *queryJ = NULL;
- endpointID_t endpointID = UNDEFINED_ID;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ char * pEndpointTypeStr = NULL;
EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
char * propertyName = NULL;
- json_object *propertyValJ;
- double value = 0.0;
+ json_object * propValueJ = NULL;
queryJ = afb_req_json(req);
- int err = wrap_json_unpack(queryJ, "{s:i,s?i,s:s}", "endpoint_type", &endpointType,"endpoint_id",&endpointID,"property_name",&propertyName);
+ int err = wrap_json_unpack(queryJ, "{s:s,s:i,s:s,s:o}", "endpoint_type", &pEndpointTypeStr,"endpoint_id",&endpointID,"property_name",&propertyName,"value",&propValueJ);
if (err) {
afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("Parsed input arguments = endpoint_type:%d endpoint_id:%d property_name:%s", endpointType,endpointID,propertyName);
+ AFB_DEBUG("Parsed input arguments = endpoint_type:%s endpoint_id:%d property_name:%s", pEndpointTypeStr,endpointID,propertyName);
+ endpointType = EndpointTypeToEnum(pEndpointTypeStr);
- // TODO: Retrieve cached property value
+ EndpointInfoT * pEndpointInfo = GetEndpointInfo(endpointID,endpointType);
+ if (pEndpointInfo == NULL)
+ {
+ afb_req_fail_f(req, "Endpoint not found", "Endpoint information not found for id:%d type%d",endpointID,endpointType);
+ return;
+ }
- value = 93.0; // TODO: Get actual property value
- propertyValJ = json_object_new_double(value);
+#ifndef AHL_DISCONNECT_POLICY
+ json_object *pPolicyEndpointJ = NULL;
+ err = PolicyEndpointStructToJSON(pEndpointInfo, &pPolicyEndpointJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ afb_req_fail(req, "Audio policy violation", "Unable to get JSON object for Policy_SetVolume");
+ return;
+ }
- afb_req_success(req, propertyValJ, "Retrieved property value");
+ json_object *paramJ= json_object_new_string(propertyName);
+ json_object_object_add(pPolicyEndpointJ, "arg_property_name", paramJ);
+ json_object_object_add(pPolicyEndpointJ, "arg_property_value", propValueJ);
+
+ // Call policy to allow custom policy actions in current context
+ int policyAllowed = Policy_SetProperty(pPolicyEndpointJ);
+ if (!policyAllowed)
+ {
+ afb_req_fail(req, "Audio policy violation", "Set endpoint property not allowed in current context");
+ return;
+ }
+#else
+ // Simulate that policy returns target state (accepted)
+ if (pEndpointInfo->pPropTable)
+ g_hash_table_insert(pEndpointInfo->pPropTable, propertyName, propValueJ);
+#endif
+
+ //afb_event_push(g_AHLCtx.policyCtx.propertyEvent,queryJ);
+
+ afb_req_success(req, NULL, "Set property completed");
}
-PUBLIC void audiohlapi_set_state(struct afb_req req)
+PUBLIC void audiohlapi_get_property(struct afb_req req)
{
json_object *queryJ = NULL;
- endpointID_t endpointID = UNDEFINED_ID;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ char * pEndpointTypeStr = NULL;
EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
- char * stateName = NULL;
- char * stateValue = NULL;
- int policyAllowed = 0;
+ char * propertyName = NULL;
queryJ = afb_req_json(req);
- int err = wrap_json_unpack(queryJ, "{s:i,s:i,s:s,s:s}", "endpoint_type", &endpointType,"endpoint_id",&endpointID,"state_name",&stateName,"state_value",&stateValue);
+ int err = wrap_json_unpack(queryJ, "{s:s,s:i,s:s}", "endpoint_type", &pEndpointTypeStr,"endpoint_id",&endpointID,"property_name",&propertyName);
if (err) {
afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("Parsed input arguments = endpoint_type:%d endpoint_id:%d state_name:%s state_value:%s", endpointType,endpointID,stateName,stateValue);
+ AFB_DEBUG("Parsed input arguments = endpoint_type:%s endpoint_id:%d property_name:%s", pEndpointTypeStr,endpointID,propertyName);
+ endpointType = EndpointTypeToEnum(pEndpointTypeStr);
- // Check that state provided is within list of known state for this config
- char * pDefaultStateValue = g_hash_table_lookup(g_AHLCtx.pDefaultStatesHT, stateName);
- if (pDefaultStateValue == NULL)
+ EndpointInfoT * pEndpointInfo = GetEndpointInfo(endpointID,endpointType);
+ if (pEndpointInfo == NULL)
{
- afb_req_fail_f(req, "Invalid arguments", "State provided is not known to configuration query=%s", stateName);
+ afb_req_fail_f(req, "Endpoint not found", "Endpoint information not found for id:%d type%d",endpointID,endpointType);
return;
}
- // Call policy to allow custom policy actions in current context
- policyAllowed = Policy_SetState(endpointType, endpointID, stateName, stateValue); // TODO: Potentially retrieve modified value by policy (e.g. state change)
- if (!policyAllowed)
- {
- afb_req_fail(req, "Audio policy violation", "Set endpoint state not allowed in current context");
+ // Retrieve cached property value
+ json_object * propertyValJ = (json_object *)g_hash_table_lookup(pEndpointInfo->pPropTable,propertyName);
+ if (propertyValJ == NULL) {
+ afb_req_fail_f(req, "Property not found", "Property information not found: %s",propertyName);
return;
}
- // Change the state of the endpoint as requested
+ json_object_get(propertyValJ); // Increase ref count so that framework does not free our JSON object
+ //AFB_WARNING("properties %s", json_object_get_string(propertyValJ));
+ //json_object_get(propertyValJ); // Increase ref count so that framework does not free our JSON object
- afb_req_success(req, NULL, "Set endpoint state completed");
+ afb_req_success(req, propertyValJ, "Retrieved property value");
}
-PUBLIC void audiohlapi_get_state(struct afb_req req)
+// Audio related events
+
+PUBLIC void audiohlapi_get_list_actions(struct afb_req req)
{
json_object *queryJ = NULL;
- endpointID_t endpointID = UNDEFINED_ID;
- EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
- json_object *stateValJ;
- char * stateName = NULL;
- char * stateValue = NULL;
+ char * audioRole = NULL;
+ json_object * roleActionsJ = NULL;
queryJ = afb_req_json(req);
- int err = wrap_json_unpack(queryJ, "{s:i,s:i,s:s}", "endpoint_type", &endpointType,"endpoint_id",&endpointID,"state_name",&stateName);
+ int err = wrap_json_unpack(queryJ, "{s:s}", "audio_role",&audioRole);
if (err) {
afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("Parsed input arguments = endpoint_type:%d endpoint_id:%d state_name:%s", endpointType,endpointID,stateName);
+ AFB_DEBUG("Parsed input arguments = audio_role:%s",audioRole);
- stateValJ = json_object_new_string(stateValue);
- // return cached value
+ // Build and return list of actions for specific audio role
+ RoleInfoT * pRole = GetRole(audioRole);
+ if ( pRole == NULL )
+ {
+ afb_req_fail_f(req, "Invalid audio role", "Audio role was not found in configuration -> %s",audioRole);
+ return;
+ }
- afb_req_success(req, stateValJ, "Retrieved state value");
+ roleActionsJ = json_object_new_array();
+ if (pRole->pActionList) {
+ int iNumberActions = pRole->pActionList->len;
+ for ( int i = 0 ; i < iNumberActions; i++)
+ {
+ char * pActionName = g_ptr_array_index(pRole->pActionList,i);
+ json_object * actionJ = json_object_new_string(pActionName);
+ json_object_array_add(roleActionsJ, actionJ);
+ }
+ }
+
+ afb_req_success(req, roleActionsJ, "Retrieved action list for audio role");
}
-// Sound events
-PUBLIC void audiohlapi_post_sound_event(struct afb_req req)
+PUBLIC void audiohlapi_post_action(struct afb_req req)
{
json_object *queryJ = NULL;
- char * eventName = NULL;
- char * mediaName = NULL;
+ char * actionName = NULL;
char * audioRole = NULL;
- json_object *audioContext = NULL;
- int policyAllowed = 0;
+ char * mediaName = NULL;
+ json_object *actionContext = NULL;
queryJ = afb_req_json(req);
- int err = wrap_json_unpack(queryJ, "{s:s,s:s,s?s,s?o}", "event_name", &eventName,"audio_role",&audioRole,"media_name",&mediaName,"audio_context",&audioContext);
+ int err = wrap_json_unpack(queryJ, "{s:s,s:s,s?s,s?o}", "action_name", &actionName,"audio_role",&audioRole,"media_name",&mediaName,"action_context",&actionContext);
if (err) {
afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
return;
}
- AFB_DEBUG("Parsed input arguments = event_name:%s audio_role:%s media_name:%s", eventName,audioRole,mediaName);
+ AFB_DEBUG("Parsed input arguments = action_name:%s audio_role:%s", actionName,audioRole);
+ // Verify if known action for audio role
+ RoleInfoT * pRole = GetRole(audioRole);
+ if ( pRole == NULL )
+ {
+ afb_req_fail_f(req, "Invalid audio role", "Audio role was not found in configuration -> %s",audioRole);
+ return;
+ }
+
+ // Check to find specific action
+ int iActionFound = 0;
+ if (pRole->pActionList) {
+ int iNumberActions = pRole->pActionList->len;
+ char * pTargetActionName = NULL;
+ for ( int i = 0 ; i < iNumberActions; i++)
+ {
+ pTargetActionName = g_ptr_array_index(pRole->pActionList,i);
+ if ( strcasecmp(pTargetActionName,actionName)==0) {
+ iActionFound = 1;
+ break;
+ }
+ }
+ }
+
+ if (!iActionFound) {
+ afb_req_fail_f(req, "Event not found for audio role", "Event -> %s not found for role:%s",actionName,audioRole);
+ return;
+ }
+
+#ifndef AHL_DISCONNECT_POLICY
// Call policy to allow custom policy actions in current context (e.g. cancel playback)
- policyAllowed = Policy_PostSoundEvent(eventName, audioRole, mediaName, (void*)audioContext); // TODO: Potentially retrieve modified value by policy (e.g. change media)
+ int policyAllowed = Policy_PostAction(queryJ);
if (!policyAllowed)
{
- afb_req_fail(req, "Audio policy violation", "Post sound event not allowed in current context");
+ afb_req_fail(req, "Audio policy violation", "Post sound action not allowed in current context");
return;
}
+#endif
- // TODO: Post sound event to rendering services (e.g. gstreamer file player wrapper or simple ALSA player)
+ //afb_event_push(g_AHLCtx.policyCtx.postEvent,queryJ);
- afb_req_success(req, NULL, "Posted sound event");
+ afb_req_success(req, NULL, "Posted sound action");
}
// Monitoring
PUBLIC void audiohlapi_subscribe(struct afb_req req)
{
- // json_object *queryJ = NULL;
-
- // queryJ = afb_req_json(req);
+ json_object *queryJ = NULL;
+ json_object * eventArrayJ = NULL;
- // TODO: Iterate through array length, parsing the string value to actual events
- // TODO: Subscribe to appropriate events from other services
+ queryJ = afb_req_json(req);
+ int err = wrap_json_unpack(queryJ, "{s:o}", "events", &eventArrayJ);
+ if (err) {
+ afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
+ return;
+ }
+
+ int iNumEvents = json_object_array_length(eventArrayJ);
+ for (int i = 0; i < iNumEvents; i++)
+ {
+ char * pEventName = NULL;
+ json_object * jEvent = json_object_array_get_idx(eventArrayJ,i);
+ pEventName = (char *)json_object_get_string(jEvent);
+ if(pEventName == NULL) {
+ afb_req_fail(req, "failed", "Invalid event");
+ return;
+ }
+ else if(!strcasecmp(pEventName, AHL_ENDPOINT_PROPERTY_EVENT)) {
+ afb_req_subscribe(req, g_AHLCtx.policyCtx.propertyEvent);
+ AFB_DEBUG("Client subscribed to endpoint property events");
+ }
+ else if(!strcasecmp(pEventName, AHL_ENDPOINT_VOLUME_EVENT)) {
+ afb_req_subscribe(req, g_AHLCtx.policyCtx.volumeEvent);
+ AFB_DEBUG("Client subscribed to endpoint volume events");
+ }
+ else if(!strcasecmp(pEventName, AHL_POST_ACTION_EVENT)) {
+ afb_req_subscribe(req, g_AHLCtx.policyCtx.postActionEvent);
+ AFB_DEBUG("Client subscribed to post event calls events");
+ }
+ else {
+ afb_req_fail(req, "failed", "Invalid event");
+ return;
+ }
+ }
afb_req_success(req, NULL, "Subscribe to events finished");
}
PUBLIC void audiohlapi_unsubscribe(struct afb_req req)
{
- // json_object *queryJ = NULL;
-
- // queryJ = afb_req_json(req);
+ json_object *queryJ = NULL;
+ json_object * eventArrayJ = NULL;
- // TODO: Iterate through array length, parsing the string value to actual events
- // TODO: Unsubscribe to appropriate events from other services
+ queryJ = afb_req_json(req);
+ int err = wrap_json_unpack(queryJ, "{s:o}", "events", &eventArrayJ);
+ if (err) {
+ afb_req_fail_f(req, "Invalid arguments", "Args not a valid json object query=%s", json_object_get_string(queryJ));
+ return;
+ }
+
+ int iNumEvents = json_object_array_length(eventArrayJ);
+ for (int i = 0; i < iNumEvents; i++)
+ {
+ char * pEventName = NULL;
+ json_object * jEvent = json_object_array_get_idx(eventArrayJ,i);
+ pEventName = (char *)json_object_get_string(jEvent);
+ if(pEventName == NULL) {
+ afb_req_fail(req, "failed", "Invalid event");
+ return;
+ }
+ else if(!strcasecmp(pEventName, AHL_ENDPOINT_PROPERTY_EVENT)) {
+ afb_req_unsubscribe(req, g_AHLCtx.policyCtx.propertyEvent);
+ AFB_DEBUG("Client unsubscribed to endpoint property events");
+ }
+ else if(!strcasecmp(pEventName, AHL_ENDPOINT_VOLUME_EVENT)) {
+ afb_req_unsubscribe(req, g_AHLCtx.policyCtx.volumeEvent);
+ AFB_DEBUG("Client unsubscribed to endpoint volume events");
+ }
+ else if(!strcasecmp(pEventName, AHL_POST_ACTION_EVENT)) {
+ afb_req_unsubscribe(req, g_AHLCtx.policyCtx.postActionEvent);
+ AFB_DEBUG("Client unsubscribed to post event calls events");
+ }
+ else {
+ afb_req_fail(req, "failed", "Invalid event");
+ return;
+ }
+ }
- afb_req_success(req, NULL, "Subscribe to events finished");
+ afb_req_success(req, NULL, "Unsubscribe to events finished");
}
+
+// Since the policy is currently in the same binding, it cannot raise events on its own
+// This is a first step toward isolation, when policy is migrated in its own binding it can simply raise AGL events
+// This binding will register for these policy events and will execute the code below upon event reception
+PUBLIC void audiohlapi_raise_event(json_object * pEventDataJ)
+{
+ char * pEventName = NULL;
+
+ int err = wrap_json_unpack(pEventDataJ,"{s:s}","event_name", &pEventName);
+ if(err)
+ {
+ AFB_ERROR("Unable to retrieve event name");
+ return;
+ }
+
+ if(strcasecmp(pEventName, AHL_ENDPOINT_INIT_EVENT)==0) {
+ char * pAudioRole = NULL;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
+ int err = wrap_json_unpack(pEventDataJ,"{s:i,s:i,s:s}",
+ "endpoint_id", &endpointID,
+ "endpoint_type", &endpointType,
+ "audio_role", &pAudioRole);
+ if(err)
+ {
+ AFB_ERROR("Unable to unpack property init event");
+ return;
+ }
+
+ RoleInfoT * pRole = GetRole(pAudioRole);
+ if ( pRole == NULL ){
+ AFB_ERROR("Requested audio role does not exist in current configuration -> %s", pAudioRole);
+ return;
+ }
+
+ EndpointInfoT * pEndpointInfo = InitEndpointInfo();
+ g_assert_nonnull(pEndpointInfo);
+ PolicyCtxJSONToEndpoint(pEventDataJ,pEndpointInfo);
+
+ err = ReplaceEndpointInfoWithRole(endpointID,endpointType,pRole,pEndpointInfo);
+ if(err == AHL_FAIL)
+ {
+ AFB_ERROR("Can't update EndpointInfo aborting");
+ return;
+ }
+
+ // Remove event name from object
+ // json_object_object_del(pEventDataJ,"event_name");
+ //afb_event_push(g_AHLCtx.policyCtx.propertyEvent,pEventDataJ); // Not broadcasted to application at this time
+ }
+ else if(strcasecmp(pEventName, AHL_ENDPOINT_PROPERTY_EVENT)==0) {
+ char * pAudioRole = NULL;
+ char * pPropertyName = NULL;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
+ json_object * propValueJ = NULL;
+ int err = wrap_json_unpack(pEventDataJ,"{s:i,s:i,s:s,s:o,s:s}",
+ "endpoint_id", &endpointID,
+ "endpoint_type", &endpointType,
+ "property_name", &pPropertyName,
+ "value",&propValueJ,
+ "audio_role", &pAudioRole);
+ if(err)
+ {
+ AFB_ERROR("Unable to unpack property event");
+ return;
+ }
+ RoleInfoT * pRole = GetRole(pAudioRole);
+ if ( pRole == NULL ){
+ AFB_ERROR("Requested audio role does not exist in current configuration -> %s", pAudioRole);
+ return;
+ }
+ EndpointInfoT * pEndpointInfo = GetEndpointInfoWithRole(endpointID,endpointType,pRole);
+ // update property value
+ if (pEndpointInfo->pPropTable)
+ {
+ json_type jType = json_object_get_type(propValueJ);
+ switch (jType) {
+ case json_type_double:
+ Add_Endpoint_Property_Double(pEndpointInfo,pPropertyName,json_object_get_double(propValueJ));
+ break;
+ case json_type_int:
+ Add_Endpoint_Property_Int(pEndpointInfo,pPropertyName,json_object_get_int(propValueJ));
+ break;
+ case json_type_string:
+ Add_Endpoint_Property_String(pEndpointInfo,pPropertyName,json_object_get_string(propValueJ));
+ break;
+ default:
+ AFB_ERROR("Invalid property argument Property value not a valid json object query=%s", json_object_get_string(propValueJ));
+ return ;
+ }
+ }
+ // Remove event name from object
+ json_object_object_del(pEventDataJ,"event_name");
+ afb_event_push(g_AHLCtx.policyCtx.propertyEvent,pEventDataJ);
+ }
+ else if(strcasecmp(pEventName, AHL_ENDPOINT_VOLUME_EVENT)==0) {
+ char * pAudioRole = NULL;
+ endpointID_t endpointID = AHL_UNDEFINED;
+ EndpointTypeT endpointType = ENDPOINTTYPE_MAXVALUE;
+ int iVolume = 0;
+ int err = wrap_json_unpack(pEventDataJ,"{s:i,s:i,s:i,s:s}",
+ "endpoint_id", &endpointID,
+ "endpoint_type", &endpointType,
+ "value",&iVolume,
+ "audio_role", &pAudioRole);
+ if(err)
+ {
+ AFB_ERROR("Unable to unpack volume event data");
+ return;
+ }
+ RoleInfoT * pRole = GetRole(pAudioRole);
+ if ( pRole == NULL ){
+ AFB_ERROR("Requested audio role does not exist in current configuration -> %s", pAudioRole);
+ return;
+ }
+ EndpointInfoT * pEndpointInfo = GetEndpointInfoWithRole(endpointID,endpointType,pRole);
+ // update volume value
+ pEndpointInfo->iVolume = iVolume;
+ // Remove event name from object
+ json_object_object_del(pEventDataJ,"event_name");
+ afb_event_push(g_AHLCtx.policyCtx.volumeEvent,pEventDataJ);
+ }
+ else if(strcasecmp(pEventName, AHL_POST_ACTION_EVENT)==0) {
+ // Remove event name from object
+ json_object_object_del(pEventDataJ,"event_name");
+ afb_event_push(g_AHLCtx.policyCtx.postActionEvent,pEventDataJ);
+ }
+ else if(strcasecmp(pEventName, AHL_STREAM_STATE_EVENT)==0) {
+ streamID_t streamID = AHL_UNDEFINED;
+ StreamEventT streamEvent = STREAM_EVENT_MAXVALUE;
+ int err = wrap_json_unpack(pEventDataJ,"{s:i,s:i}",
+ "stream_id", &streamID,
+ "state_event", &streamEvent);
+ if(err)
+ {
+ AFB_ERROR("Unable to unpack stream event data");
+ return;
+ }
+
+ StreamInfoT * pStreamInfo = GetStream(streamID);
+ if (pStreamInfo == NULL) {
+ AFB_ERROR("Specified stream not currently active stream_id -> %d",streamID);
+ return;
+ }
+
+ // update streamstate value
+ switch (streamEvent) {
+ case STREAM_EVENT_START:
+ pStreamInfo->streamState = STREAM_STATE_RUNNING;
+ break;
+ case STREAM_EVENT_STOP:
+ pStreamInfo->streamState = STREAM_STATE_IDLE;
+ break;
+ case STREAM_EVENT_PAUSE:
+ pStreamInfo->streamState = STREAM_STATE_PAUSED;
+ break;
+ case STREAM_EVENT_RESUME:
+ pStreamInfo->streamState = STREAM_STATE_RUNNING;
+ break;
+ case STREAM_EVENT_MUTED:
+ pStreamInfo->streamMute = STREAM_MUTED;
+ break;
+ case STREAM_EVENT_UNMUTED:
+ pStreamInfo->streamMute = STREAM_UNMUTED;
+ break;
+ default:
+ AFB_ERROR("Unknown stream event");
+ }
+
+ // Remove event name from object
+ json_object_object_del(pEventDataJ,"event_name");
+ AFB_ERROR("pEventDataJ=%s", json_object_get_string(pEventDataJ));
+ afb_event_push(pStreamInfo->streamStateEvent,pEventDataJ);
+ }
+ else {
+ AFB_ERROR("Unknown event name");
+ }
+} \ No newline at end of file
diff --git a/src/ahl-binding.h b/src/ahl-binding.h
index 2422963..9b4c37e 100644
--- a/src/ahl-binding.h
+++ b/src/ahl-binding.h
@@ -1,6 +1,5 @@
/*
* Copyright (C) 2017 "Audiokinetic Inc"
- * Author Francois Thibault <fthibault@audiokinetic.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -19,55 +18,49 @@
#define AHL_BINDING_INCLUDE
#define AFB_BINDING_VERSION 2
-#include <afb/afb-binding.h>
+
+//#define AHL_DISCONNECT_POLICY // define for debugging HLB in standalone only
+
#include <json-c/json.h>
#include <glib.h>
+#include <afb/afb-binding.h>
#include "ahl-interface.h"
+#include "ahl-policy-utils.h"
+
#ifndef PUBLIC
#define PUBLIC
#endif
-/////////////// Binding private information //////////////////
-
-#define AUDIOHL_MAX_DEVICE_URI_LENGTH 256
-#define AUDIOHL_MAX_DEVICE_NAME_LENGTH 256
-#define AUDIOHL_MAX_AUDIOROLE_LENGTH 128
-#define AUDIOHL_MAX_HALAPINAME_LENGTH 64
-#define AUDIOHL_POLICY_ACCEPT 1
-#define AUDIOHL_POLICY_REJECT 0
-
-typedef struct EndpointInfo
-{
- endpointID_t endpointID; // Unique endpoint ID (per type)
- EndpointTypeT type; // Source or sink device
- char deviceName[AUDIOHL_MAX_DEVICE_NAME_LENGTH]; // Device name for applications to display
- char deviceURI[AUDIOHL_MAX_DEVICE_URI_LENGTH]; // Associated URI
- DeviceURITypeT deviceURIType; // Device URI type (includes audio domain information)
- char audioRole[AUDIOHL_MAX_AUDIOROLE_LENGTH]; // Audio role that registered this endpoint -> private
- char halAPIName[AUDIOHL_MAX_AUDIOROLE_LENGTH]; // HAL associated with the device (for volume control) -> private
- int cardNum; // HW card number -> private
- int deviceNum; // HW device number -> private
- int subDeviceNum; // HW sub device number -> private
- // Cached endpoint properties
- GHashTable * pStatesHT; // Keep all known states in key value pairs
-} EndpointInfoT;
-
-typedef struct StreamInfo {
- streamID_t streamID;
- EndpointInfoT endpointInfo;
-} StreamInfoT;
+#define AHL_SUCCESS 0
+#define AHL_FAIL 1
+
+#define AHL_ACCESS_CONTROL_GRANTED 1
+#define AHL_ACCESS_CONTROL_DENIED 0
+
+#define AHL_UNDEFINED -1
+#define AHL_STR_MAX_LENGTH 256
+
+
+typedef struct RoleInfo {
+ char * pRoleName; // Role string identifier
+ int iPriority; // Role normalized priority (0-100)
+ InterruptBehaviorT eInterruptBehavior; // Role behavior when interrupting lower priority streams
+ GPtrArray * pActionList; // List of supported actions for the role (gchar*)
+ GPtrArray * pSourceEndpoints; // Source endpoints info (EndpointInfoT*)
+ GPtrArray * pSinkEndpoints; // Sink endpoints info (EndpointInfoT*)
+} RoleInfoT;
// Parts of the context that are visible to the policy (for state based decisions)
typedef struct AHLPolicyCtx {
- GPtrArray * pSourceEndpoints; // Array of source end points for each audio role (GArray*)
- GPtrArray * pSinkEndpoints; // Array of sink end points for each audio role (GArray*)
- GArray * pRolePriority; // List of role priorities (int). TODO: Should be hash table with role name as key
- GArray * pAudioRoles; // List of audio roles (GString)
- GArray * pActiveStreams; // List of active streams (StreamInfoT)
- int iNumberRoles; // Number of audio roles from configuration
- // TODO: Global properties -> exposed to policy
+ GHashTable * pRoleInfo; // Hash table of role information structure (RoleInfoT*) accessed by role name
+ GHashTable * pStreams; // List of active streams (StreamInfoT*) accessed by streamID
+ GPtrArray * pHALList; // List of HAL dependencies
+ // TODO: Events need to be sent directly by HLB when separation with policy complete
+ struct afb_event propertyEvent; // AGL event used when property changes
+ struct afb_event volumeEvent; // AGL event used when volume changes
+ struct afb_event postActionEvent; // AGL event used on post action call
} AHLPolicyCtxT;
// Global binding context
@@ -76,24 +69,26 @@ typedef struct AHLCtx {
endpointID_t nextSourceEndpointID; // Counter to assign new ID
endpointID_t nextSinkEndpointID; // Counter to assign new ID
endpointID_t nextStreamID; // Counter to assign new ID
- GArray * pHALList; // List of HAL dependencies
- GHashTable * pDefaultStatesHT; // List of states and default values known to configuration
} AHLCtxT;
+// Client specific binding context
+typedef struct AHLClientCtx {
+ GArray * pStreamAccessList; // List of streams that client has control over
+} AHLClientCtxT;
+
+// ahl-binding.c
PUBLIC int AhlBindingInit();
+PUBLIC void AhlOnEvent(const char *evtname, json_object *eventJ);
+
// ahl-deviceenum.c
-PUBLIC int EnumerateSources(json_object * in_jSourceArray, int in_iRoleIndex, char * in_pRoleName);
-PUBLIC int EnumerateSinks(json_object * in_jSinkArray, int in_iRoleIndex, char * in_pRoleName);
+int EnumerateDevices(json_object * in_jDeviceArray, char * in_pAudioRole, EndpointTypeT in_deviceType, GPtrArray * out_pEndpointArray);
+EndpointInfoT * InitEndpointInfo();
+void TermEndpointInfo( EndpointInfoT * out_pEndpointInfo );
// ahl-config.c
-PUBLIC int ParseHLBConfig();
+int ParseHLBConfig();
// ahl-policy.c
-PUBLIC int Policy_OpenStream(char *pAudioRole, EndpointTypeT endpointType, endpointID_t endpointID);
-PUBLIC int Policy_SetVolume(EndpointTypeT endpointType, endpointID_t endpointID, char *volumeStr, int rampTimeMS);
-PUBLIC int Policy_SetProperty(EndpointTypeT endpointType, endpointID_t endpointID, char *propertyName, char *propValueStr, int rampTimeMS);
-PUBLIC int Policy_SetState(EndpointTypeT endpointType, endpointID_t endpointID, char *pStateName, char *pStateValue);
-PUBLIC int Policy_PostSoundEvent(char *eventName, char *audioRole, char *mediaName, void *audioContext);
-PUBLIC int Policy_AudioDeviceChange();
-
-#define AUDIOHL_MAXHALCONTROLNAME_LENGTH 128
+#ifndef AHL_DISCONNECT_POLICY
+PUBLIC void audiohlapi_raise_event(json_object *EventDataJ);
+#endif
#endif // AHL_BINDING_INCLUDE
diff --git a/src/ahl-config.c b/src/ahl-config.c
index 432910f..5e3de08 100644
--- a/src/ahl-config.c
+++ b/src/ahl-config.c
@@ -1,6 +1,5 @@
/*
* Copyright (C) 2017 "Audiokinetic Inc"
- * Author Francois Thibault <fthibault@audiokinetic.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -23,19 +22,39 @@
#include "ahl-binding.h"
-// TODO: Term() to free all allocs upon exit...
-
extern AHLCtxT g_AHLCtx;
-PUBLIC int ParseHLBConfig() {
+static InterruptBehaviorT InterruptBehaviorToEnum(char * in_pInterruptBehaviorStr)
+{
+ g_assert_nonnull(in_pInterruptBehaviorStr);
+ if (strcasecmp(in_pInterruptBehaviorStr,AHL_INTERRUPTBEHAVIOR_CONTINUE)==0) {
+ return INTERRUPTBEHAVIOR_CONTINUE;
+ }
+ else if (strcasecmp(in_pInterruptBehaviorStr,AHL_INTERRUPTBEHAVIOR_CANCEL)==0) {
+ return INTERRUPTBEHAVIOR_CANCEL;
+ }
+ else if (strcasecmp(in_pInterruptBehaviorStr,AHL_INTERRUPTBEHAVIOR_PAUSE)==0) {
+ return INTERRUPTBEHAVIOR_PAUSE;
+ }
+ else
+ return INTERRUPTBEHAVIOR_MAXVALUE;
+}
+
+int ParseHLBConfig() {
char * versionStr = NULL;
json_object * jAudioRoles = NULL;
json_object * jHALList = NULL;
- json_object * jStateList = NULL;
+ char * policyModule = NULL;
// TODO: This should be retrieve from binding startup arguments
char configfile_path[256];
- sprintf(configfile_path, "%s/opt/config/ahl-config.json", getenv("HOME"));
+ if(getenv("AHL_CONFIG_FILE") == NULL)
+ {
+ AFB_ERROR("Please Set Environnement Variable AHL_CONFIG_FILE");
+ return 1;
+ }
+
+ sprintf(configfile_path, "%s", getenv("AHL_CONFIG_FILE"));
AFB_INFO("High-level config file -> %s\n", configfile_path);
// Open configuration file
@@ -46,67 +65,61 @@ PUBLIC int ParseHLBConfig() {
return 1;
}
- int err = wrap_json_unpack(config_JFile, "{s:s,s:o,s:o,s:o}", "version", &versionStr,"audio_roles",&jAudioRoles,"hal_list",&jHALList,"state_list",&jStateList);
+ int err = wrap_json_unpack(config_JFile, "{s:s,s:s,s:o,s:o}", "version", &versionStr,"policy_module", &policyModule,"audio_roles",&jAudioRoles,"hal_list",&jHALList);
if (err) {
AFB_ERROR("Invalid configuration file -> %s", configfile_path);
return 1;
}
-
- // Parse and populate list of known states
- g_AHLCtx.pDefaultStatesHT = g_hash_table_new(g_str_hash, g_str_equal);
- int iStateListLength = json_object_array_length(jStateList);
- for ( int i = 0; i < iStateListLength; i++)
- {
- char * pStateName = NULL;
- char * pStateVal = NULL;
- json_object * jStateobject = json_object_array_get_idx(jStateList,i);
- err = wrap_json_unpack(jStateobject, "{s:s,s:s}", "name", &pStateName,"default_val",&pStateVal);
- if (err) {
- AFB_ERROR("Invalid state object -> %s", json_object_get_string(jStateobject));
- return 1;
- }
-
- g_hash_table_insert(g_AHLCtx.pDefaultStatesHT, pStateName, pStateVal);
- }
+ AFB_INFO("High-level audio API version: %s", "1.0.0");
+ AFB_INFO("Config version: %s", versionStr);
+ AFB_INFO("Policy module: %s", policyModule);
int iHALListLength = json_object_array_length(jHALList);
+ g_AHLCtx.policyCtx.pHALList = g_ptr_array_new_with_free_func(g_free);
int iNumberOfRoles = json_object_array_length(jAudioRoles);
- // Dynamically allocated based on number or roles found
- g_AHLCtx.pHALList = g_array_sized_new(FALSE, TRUE, sizeof(GString), iHALListLength);
- g_AHLCtx.policyCtx.pRolePriority = g_array_sized_new(FALSE, TRUE, sizeof(int), iNumberOfRoles);
- g_AHLCtx.policyCtx.pAudioRoles = g_array_sized_new(FALSE, TRUE, sizeof(GString), iNumberOfRoles);
- g_AHLCtx.policyCtx.pSourceEndpoints = g_ptr_array_sized_new(iNumberOfRoles);
- g_AHLCtx.policyCtx.pSinkEndpoints = g_ptr_array_sized_new(iNumberOfRoles);
- g_AHLCtx.policyCtx.iNumberRoles = iNumberOfRoles;
+ g_AHLCtx.policyCtx.pRoleInfo = g_hash_table_new(g_str_hash, g_str_equal);
- for (unsigned int i = 0; i < iHALListLength; i++)
+ for (int i = 0; i < iHALListLength; i++)
{
char * pHAL = NULL;
json_object * jHAL = json_object_array_get_idx(jHALList,i);
- pHAL = (char *)json_object_get_string(jHAL);
- GString * gHALName = g_string_new( pHAL );
- g_array_append_val( g_AHLCtx.pHALList, *gHALName );
-
- // Set dependency on HAL
- err = afb_daemon_require_api_v2(pHAL,1) ;
- if( err != 0 )
- {
- AFB_ERROR("Audio high level API could not set dependenvy on API: %s",pHAL);
- return 1;
+ if (jHAL) {
+ pHAL = (char *)json_object_get_string(jHAL);
+ char * pHALName = g_strdup( pHAL );
+ g_ptr_array_add( g_AHLCtx.policyCtx.pHALList, pHALName );
+
+ // Set dependency on HAL specified
+ err = afb_daemon_require_api_v2(pHAL,1) ;
+ if( err != 0 )
+ {
+ AFB_ERROR("Audio high level API could not set dependency on API: %s",pHAL);
+ return 1;
+ }
}
}
- for (unsigned int i = 0; i < iNumberOfRoles; i++)
+ for (int i = 0; i < iNumberOfRoles; i++)
{
int priority = 0;
json_object * jAudioRole = json_object_array_get_idx(jAudioRoles,i);
json_object * jOutputDevices = NULL;
json_object * jInputDevices = NULL;
+ json_object * jActions = NULL;
char * pRoleName = NULL;
+ char * pInteruptBehavior = NULL;
+
int iNumOutDevices = 0;
int iNumInDevices = 0;
-
- err = wrap_json_unpack(jAudioRole, "{s:s,s:i,s?o,s?o}", "name", &pRoleName,"priority",&priority,"output",&jOutputDevices,"input",&jInputDevices);
+ int iNumActions = 0;
+
+ err = wrap_json_unpack(jAudioRole, "{s:s,s:i,s:s,s?o,s?o,s?o}",
+ "name", &pRoleName,
+ "priority",&priority,
+ "interupt_behavior",&pInteruptBehavior,
+ "output",&jOutputDevices,
+ "input",&jInputDevices,
+ "actions",&jActions
+ );
if (err) {
AFB_ERROR("Invalid audio role configuration : %s", json_object_to_json_string(jAudioRole));
return 1;
@@ -116,30 +129,47 @@ PUBLIC int ParseHLBConfig() {
iNumOutDevices = json_object_array_length(jOutputDevices);
if (jInputDevices)
iNumInDevices = json_object_array_length(jInputDevices);
-
- GString * gRoleName = g_string_new( pRoleName );
- g_array_append_val( g_AHLCtx.policyCtx.pAudioRoles, *gRoleName );
- g_array_append_val( g_AHLCtx.policyCtx.pRolePriority, priority );
+ if (jActions)
+ iNumActions = json_object_array_length(jActions);
+
+ RoleInfoT * pRoleInfo = (RoleInfoT*) malloc(sizeof(RoleInfoT));
+ memset(pRoleInfo,0,sizeof(RoleInfoT));
+ pRoleInfo->pRoleName = g_strdup( pRoleName );
+ pRoleInfo->iPriority = priority;
+ pRoleInfo->eInterruptBehavior = InterruptBehaviorToEnum(pInteruptBehavior);
+
+ // Actions
+ pRoleInfo->pActionList = g_ptr_array_new_with_free_func(g_free);
+ // Parse and validate list of available actions
+ for (int i = 0; i < iNumActions; i++)
+ {
+ json_object * jAction = json_object_array_get_idx(jActions,i);
+ char * pActionName = (char *)json_object_get_string(jAction);
+ if (pActionName)
+ g_ptr_array_add(pRoleInfo->pActionList, g_strdup(pActionName));
+ }
// Sources
- GArray * pRoleSourceDeviceArray = g_array_new(FALSE, TRUE, sizeof(EndpointInfoT));
- g_ptr_array_add(g_AHLCtx.policyCtx.pSourceEndpoints,pRoleSourceDeviceArray);
+ pRoleInfo->pSourceEndpoints = g_ptr_array_new_with_free_func(g_free);
if (iNumInDevices) {
- err = EnumerateSources(jInputDevices,i,pRoleName);
+ err = EnumerateDevices(jInputDevices,pRoleName,ENDPOINTTYPE_SOURCE,pRoleInfo->pSourceEndpoints);
if (err) {
AFB_ERROR("Invalid input devices : %s", json_object_to_json_string(jInputDevices));
return 1;
}
}
- GArray * pRoleSinkDeviceArray = g_array_new(FALSE, TRUE, sizeof(EndpointInfoT));
- g_ptr_array_add(g_AHLCtx.policyCtx.pSinkEndpoints,pRoleSinkDeviceArray);
+ // Sinks
+ pRoleInfo->pSinkEndpoints = g_ptr_array_new_with_free_func(g_free);
if (iNumOutDevices) {
- err = EnumerateSinks(jOutputDevices,i,pRoleName);
+ err = EnumerateDevices(jOutputDevices,pRoleName,ENDPOINTTYPE_SINK,pRoleInfo->pSinkEndpoints);
if (err) {
AFB_ERROR("Invalid output devices : %s", json_object_to_json_string(jOutputDevices));
return 1;
}
}
+
+ g_hash_table_insert(g_AHLCtx.policyCtx.pRoleInfo, pRoleInfo->pRoleName, pRoleInfo);
+
}
// Build lists of all device URI referenced in config file (input/output)
diff --git a/src/ahl-deviceenum.c b/src/ahl-deviceenum.c
index b866d52..7e67d7a 100644
--- a/src/ahl-deviceenum.c
+++ b/src/ahl-deviceenum.c
@@ -1,6 +1,5 @@
/*
* Copyright (C) 2017 "Audiokinetic Inc"
- * Author Francois Thibault <fthibault@audiokinetic.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -24,9 +23,11 @@
#include "wrap-json.h"
#include "ahl-binding.h"
+#include "ahl-policy.h"
extern AHLCtxT g_AHLCtx;
+// TODO: Hash from endpoint ID information instead
static endpointID_t CreateNewSourceID()
{
endpointID_t newID = g_AHLCtx.nextSourceEndpointID;
@@ -34,6 +35,7 @@ static endpointID_t CreateNewSourceID()
return newID;
}
+// TODO: Hash from endpoint ID information instead
static endpointID_t CreateNewSinkID()
{
endpointID_t newID = g_AHLCtx.nextSinkEndpointID;
@@ -62,31 +64,38 @@ static int SeparateDomainFromDeviceURI( char * in_pDeviceURI, char ** out_pDomai
static int IsAlsaDomain(const char * in_pDomainStr)
{
- return (int) (strcasecmp(in_pDomainStr,AUDIOHL_DOMAIN_ALSA) == 0);
+ return (int) (strcasecmp(in_pDomainStr,AHL_DOMAIN_ALSA) == 0);
}
static int IsPulseDomain(const char * in_pDomainStr)
{
- return (int) (strcasecmp(in_pDomainStr,AUDIOHL_DOMAIN_PULSE) == 0);
+ return (int) (strcasecmp(in_pDomainStr,AHL_DOMAIN_PULSE) == 0);
}
static int IsGStreamerDomain(const char * in_pDomainStr)
{
- return (int) (strcasecmp(in_pDomainStr,AUDIOHL_DOMAIN_GSTREAMER) == 0);
+ return (int) (strcasecmp(in_pDomainStr,AHL_DOMAIN_GSTREAMER) == 0);
}
static int IsExternalDomain(const char * in_pDomainStr)
{
- return (int) (strcasecmp(in_pDomainStr,AUDIOHL_DOMAIN_EXTERNAL) == 0);
+ return (int) (strcasecmp(in_pDomainStr,AHL_DOMAIN_EXTERNAL) == 0);
}
static int FillALSAPCMInfo( snd_pcm_t * in_pPcmHandle, EndpointInfoT * out_pEndpointInfo )
{
+ g_assert_nonnull(in_pPcmHandle);
+ g_assert_nonnull(out_pEndpointInfo);
snd_pcm_type_t pcmType = 0;
snd_pcm_info_t * pPcmInfo = NULL;
int iAlsaRet = 0;
- const char * pDeviceName = NULL;
+ const char * pCardName = NULL;
int retVal = 0;
+ snd_ctl_t * ctlHandle = NULL;
+ snd_ctl_card_info_t * ctlInfo = NULL;
+
+ snd_pcm_info_alloca(&pPcmInfo);
+ snd_ctl_card_info_alloca(&ctlInfo);
// retrieve PCM type
pcmType = snd_pcm_type(in_pPcmHandle);
@@ -100,335 +109,223 @@ static int FillALSAPCMInfo( snd_pcm_t * in_pPcmHandle, EndpointInfoT * out_pEndp
case SND_PCM_TYPE_SOFTVOL:
out_pEndpointInfo->deviceURIType = DEVICEURITYPE_ALSA_SOFTVOL;
break;
+ case SND_PCM_TYPE_PLUG:
+ out_pEndpointInfo->deviceURIType = DEVICEURITYPE_ALSA_PLUG;
+ break;
default:
out_pEndpointInfo->deviceURIType = DEVICEURITYPE_ALSA_OTHER;
break;
}
- iAlsaRet = snd_pcm_info_malloc(&pPcmInfo);
- if (iAlsaRet < 0)
- {
- AFB_WARNING("Error allocating PCM info structure");
- retVal = 1;
- goto End;
- }
-
iAlsaRet = snd_pcm_info(in_pPcmHandle,pPcmInfo);
if (iAlsaRet < 0)
{
AFB_WARNING("Error retrieving PCM device info");
- retVal = 1;
- goto End;
- }
-
- // Populate target device name (for application display)
- pDeviceName = snd_pcm_info_get_name(pPcmInfo);
- if (pDeviceName == NULL)
- {
- AFB_WARNING("No Alsa device name available");
- retVal = 1;
- goto End;
- // Could potentially assign a "default" name and carry on with this device
+ return 1;
}
- strncpy(out_pEndpointInfo->deviceName,pDeviceName,AUDIOHL_MAX_DEVICE_NAME_LENGTH); // Overwritten by HAL name if available
// get card number
- out_pEndpointInfo->cardNum = snd_pcm_info_get_card(pPcmInfo);
- if ( out_pEndpointInfo->cardNum < 0 )
+ out_pEndpointInfo->alsaInfo.cardNum = snd_pcm_info_get_card(pPcmInfo);
+ if ( out_pEndpointInfo->alsaInfo.cardNum < 0 )
{
AFB_WARNING("No Alsa card number available");
- retVal = 1;
- goto End;
+ return 1;
}
// get device number
- out_pEndpointInfo->deviceNum = snd_pcm_info_get_device(pPcmInfo);
- if ( out_pEndpointInfo->deviceNum < 0 )
+ out_pEndpointInfo->alsaInfo.deviceNum = snd_pcm_info_get_device(pPcmInfo);
+ if ( out_pEndpointInfo->alsaInfo.deviceNum < 0 )
{
AFB_WARNING("No Alsa device number available");
- retVal = 1;
- goto End;
+ return 1;
}
// get sub-device number
- out_pEndpointInfo->subDeviceNum = snd_pcm_info_get_subdevice(pPcmInfo);
- if ( out_pEndpointInfo->subDeviceNum < 0 )
+ out_pEndpointInfo->alsaInfo.subDeviceNum = snd_pcm_info_get_subdevice(pPcmInfo);
+ if ( out_pEndpointInfo->alsaInfo.subDeviceNum < 0 )
{
AFB_WARNING("No Alsa subdevice number available");
- retVal = 1;
- goto End;
+ return 1;
}
-End:
- if(pPcmInfo) {
- snd_pcm_info_free(pPcmInfo);
- pPcmInfo = NULL;
+ char cardName[32];
+ sprintf(cardName, "hw:%d", out_pEndpointInfo->alsaInfo.cardNum);
+ iAlsaRet = snd_ctl_open(&ctlHandle, cardName, 0);
+ if ( iAlsaRet < 0 )
+ {
+ AFB_WARNING("Could not open ALSA card control");
+ return 1;
}
- return retVal;
-}
-
-static int RetrieveAssociatedHALAPIName(EndpointInfoT * io_pEndpointInfo)
-{
- json_object *j_response, *j_query = NULL;
- int err;
- err = afb_service_call_sync("alsacore", "hallist", j_query, &j_response);
- if (err) {
- AFB_ERROR("Could not retrieve list of HAL from ALSA core");
+ iAlsaRet = snd_ctl_card_info(ctlHandle, ctlInfo);
+ if ( iAlsaRet < 0 )
+ {
+ AFB_WARNING("Could not retrieve ALSA card info");
+ snd_ctl_close(ctlHandle);
return 1;
}
- AFB_DEBUG("ALSAcore hallist response=%s", json_object_to_json_string(j_response));
-
- // Look through returned list for matching card
- int found = 0;
- json_object * jRespObj = NULL;
- json_object_object_get_ex(j_response, "response", &jRespObj);
- int iNumHAL = json_object_array_length(jRespObj);
- for ( int i = 0 ; i < iNumHAL; i++)
- {
- json_object * jHAL = json_object_array_get_idx(jRespObj,i);
- char * pDevIDStr = NULL;
- char * pAPIName = NULL;
- char * pShortName = NULL;
-
- int err = wrap_json_unpack(jHAL, "{s:s,s:s,s:s}", "devid", &pDevIDStr,"api", &pAPIName,"shortname",&pShortName);
- if (err) {
- AFB_ERROR("Could not retrieve devid string=%s", json_object_get_string(jHAL));
- return 1;
- }
- // Retrieve card number (e.g. hw:0)
- int iCardNum = atoi(pDevIDStr+3);
- if (iCardNum == io_pEndpointInfo->cardNum) {
- strncpy(io_pEndpointInfo->halAPIName,pAPIName,AUDIOHL_MAX_AUDIOROLE_LENGTH);
- strncpy(io_pEndpointInfo->deviceName,pShortName,AUDIOHL_MAX_DEVICE_NAME_LENGTH);
- found = 1;
- break;
- }
+ // Populate unique target card name
+ pCardName = snd_ctl_card_info_get_id(ctlInfo);
+ if (pCardName == NULL)
+ {
+ AFB_WARNING("No Alsa card name available");
+ snd_ctl_close(ctlHandle);
+ return 1;
}
- return !found;
+ out_pEndpointInfo->gsDeviceName = g_strdup(pCardName);
+
+ snd_ctl_close(ctlHandle);
+
+ return retVal;
}
-static int InitializeEndpointStates( EndpointInfoT * out_pEndpointInfo )
+EndpointInfoT * InitEndpointInfo()
{
- //out_pEndpointInfo = g_array_sized_new(FALSE,TRUE,sizeof)
- // for list of known states
- return 0;
+ EndpointInfoT * pEndpointInfo = (EndpointInfoT*) malloc(sizeof(EndpointInfoT));
+ memset(pEndpointInfo,0,sizeof(EndpointInfoT));
+ pEndpointInfo->endpointID = AHL_UNDEFINED;
+ pEndpointInfo->type = ENDPOINTTYPE_MAXVALUE;
+ pEndpointInfo->deviceURIType = DEVICEURITYPE_MAXVALUE;
+ pEndpointInfo->alsaInfo.cardNum = AHL_UNDEFINED;
+ pEndpointInfo->alsaInfo.deviceNum = AHL_UNDEFINED;
+ pEndpointInfo->alsaInfo.subDeviceNum = AHL_UNDEFINED;
+ pEndpointInfo->format.sampleRate = AHL_UNDEFINED;
+ pEndpointInfo->format.numChannels = AHL_UNDEFINED;
+ pEndpointInfo->format.sampleType = AHL_FORMAT_UNKNOWN;
+ pEndpointInfo->pPropTable = g_hash_table_new(g_str_hash, g_str_equal);
+ return pEndpointInfo;
}
-// For a given audio role
-PUBLIC int EnumerateSources(json_object * in_jSourceArray, int in_iRoleIndex, char * in_pRoleName) {
-
- int iNumberDevices = json_object_array_length(in_jSourceArray);
-
- // Parse and validate list of available devices
- for (unsigned int i = 0; i < iNumberDevices; i++)
- {
- char fullDeviceURI[AUDIOHL_MAX_DEVICE_URI_LENGTH]; // strtok is destructive
- char * pDeviceURIDomain = NULL;
- char * pFullDeviceURI = NULL;
- char * pDeviceURIPCM = NULL;
- int err = 0;
- EndpointInfoT endpointInfo;
-
- json_object * jSource = json_object_array_get_idx(in_jSourceArray,i);
-
- // strip domain name from URI
- pFullDeviceURI = (char *)json_object_get_string(jSource);
- strncpy(fullDeviceURI,pFullDeviceURI,AUDIOHL_MAX_DEVICE_URI_LENGTH);
- err = SeparateDomainFromDeviceURI(fullDeviceURI,&pDeviceURIDomain,&pDeviceURIPCM);
- if (err)
- {
- AFB_WARNING("Invalid device URI string -> %s",fullDeviceURI);
- continue;
- }
-
- // non ALSA URI are simply passed to application (no validation) at this time
- // In Non ALSA case devices in config are assumed to be available, if not application can fallback on explicit device selection
- endpointInfo.cardNum = -1;
- endpointInfo.deviceNum = -1;
- endpointInfo.cardNum = -1;
- strncpy(endpointInfo.deviceName,pDeviceURIPCM,AUDIOHL_MAX_DEVICE_NAME_LENGTH); // Overwritten by HAL name if available
-
- if (IsAlsaDomain(pDeviceURIDomain))
+void TermEndpointInfo( EndpointInfoT * out_pEndpointInfo )
+{
+ #define SAFE_FREE(__ptr__) if(__ptr__) g_free(__ptr__); __ptr__ = NULL;
+ SAFE_FREE(out_pEndpointInfo->gsDeviceName);
+ SAFE_FREE(out_pEndpointInfo->gsDisplayName);
+ SAFE_FREE(out_pEndpointInfo->gsDeviceDomain);
+ SAFE_FREE(out_pEndpointInfo->pRoleName);
+ SAFE_FREE(out_pEndpointInfo->gsDeviceURI);
+ SAFE_FREE(out_pEndpointInfo->gsHALAPIName);
+
+ if (out_pEndpointInfo->pPropTable) {
+ // Free json_object for all property values
+ GHashTableIter iter;
+ gpointer key, value;
+ g_hash_table_iter_init (&iter, out_pEndpointInfo->pPropTable);
+ while (g_hash_table_iter_next (&iter, &key, &value))
{
- // TODO: Missing support for loose name matching
- // This will require using ALSA hints to get PCM names
- // And would iterate over all available devices matching string (possibly all if no filtering is desired for a certain role)
-
- snd_pcm_t * pPcmHandle = NULL;
-
- // Get PCM handle
- err = snd_pcm_open(&pPcmHandle, pDeviceURIPCM, SND_PCM_STREAM_CAPTURE, 0);
- if (err < 0)
- {
- AFB_NOTICE("Alsa PCM device was not found -> %s", pDeviceURIPCM);
- continue;
- }
-
- err = FillALSAPCMInfo(pPcmHandle,&endpointInfo);
- if (err) {
- AFB_WARNING("Unable to retrieve PCM information for PCM -> %s",pDeviceURIPCM);
- snd_pcm_close(pPcmHandle);
- continue;
- }
-
- snd_pcm_close(pPcmHandle);
-
- // Retrieve HAL API name
- err = RetrieveAssociatedHALAPIName(&endpointInfo);
- if (err) {
- AFB_WARNING("SetVolume will fail without HAL association ->%s",endpointInfo.deviceURI);
- // Choose not to skip anyhow...
- }
+ if (value)
+ json_object_put(value);
}
- else if (IsPulseDomain(pDeviceURIDomain)) {
- // Pulse domain
- // For now display name is device URI directly, could extrapolated using more heuristics or even usins Pulse API later on
- endpointInfo.deviceURIType = DEVICEURITYPE_PULSE;
- }
- else if (IsGStreamerDomain(pDeviceURIDomain)){
- // GStreamer domain
- // For now display name is device URI directly, could extrapolated using more heuristics or even usins GStreamer API later on
- endpointInfo.deviceURIType = DEVICEURITYPE_GSTREAMER;
- }
- else if (IsExternalDomain(pDeviceURIDomain)){
- // External domain
- endpointInfo.deviceURIType = DEVICEURITYPE_EXTERNAL;
- }
- else {
- // Unknown domain
- AFB_WARNING("Unknown domain in device URI string -> %s",fullDeviceURI);
- continue;
- }
-
- err = InitializeEndpointStates( &endpointInfo );
- if (err) {
- AFB_ERROR("Cannot initialize endpoint states for URI -> %s",fullDeviceURI);
- continue;
- }
-
- strncpy(endpointInfo.deviceURI,pDeviceURIPCM,AUDIOHL_MAX_DEVICE_URI_LENGTH);
- strncpy(endpointInfo.audioRole,in_pRoleName,AUDIOHL_MAX_AUDIOROLE_LENGTH);
- endpointInfo.endpointID = CreateNewSourceID();
- endpointInfo.type = ENDPOINTTYPE_SOURCE;
-
- // add to structure to list of available source devices
- GArray * pRoleSourceDeviceArray = g_ptr_array_index( g_AHLCtx.policyCtx.pSourceEndpoints, in_iRoleIndex );
- g_array_append_val(pRoleSourceDeviceArray, endpointInfo);
-
- } // for all devices
-
- AFB_DEBUG ("Audio high-level - Enumerate sources done");
- return 0;
+ g_hash_table_remove_all(out_pEndpointInfo->pPropTable);
+ g_hash_table_destroy(out_pEndpointInfo->pPropTable);
+ out_pEndpointInfo->pPropTable = NULL;
+ }
+ // GLib automatically frees item when removed from the array
}
// For a given audio role
-PUBLIC int EnumerateSinks(json_object * in_jSinkArray, int in_iRoleIndex, char * in_pRoleName) {
+int EnumerateDevices(json_object * in_jDeviceArray, char * in_pAudioRole, EndpointTypeT in_deviceType, GPtrArray * out_pEndpointArray) {
- int iNumberDevices = json_object_array_length(in_jSinkArray);
+ g_assert_nonnull(in_jDeviceArray);
+ int iNumberDevices = json_object_array_length(in_jDeviceArray);
// Parse and validate list of available devices
- for (unsigned int i = 0; i < iNumberDevices; i++)
+ for (int i = 0; i < iNumberDevices; i++)
{
- char fullDeviceURI[AUDIOHL_MAX_DEVICE_URI_LENGTH]; // strtok is destructive
char * pDeviceURIDomain = NULL;
char * pFullDeviceURI = NULL;
char * pDeviceURIPCM = NULL;
int err = 0;
- EndpointInfoT endpointInfo;
-
- json_object * jSink = json_object_array_get_idx(in_jSinkArray,i);
+ json_object * jDevice = json_object_array_get_idx(in_jDeviceArray,i);
+ if (jDevice == NULL) {
+ AFB_WARNING("Invalid device array -> %s",json_object_to_json_string(in_jDeviceArray));
+ continue;
+ }
// strip domain name from URI
- pFullDeviceURI = (char*)json_object_get_string(jSink);
- strncpy(fullDeviceURI,pFullDeviceURI,AUDIOHL_MAX_DEVICE_URI_LENGTH);
- err = SeparateDomainFromDeviceURI(fullDeviceURI,&pDeviceURIDomain,&pDeviceURIPCM);
+ pFullDeviceURI = (char *)json_object_get_string(jDevice);
+ char * pFullDeviceURICopy = g_strdup(pFullDeviceURI); // strtok is destructive
+ err = SeparateDomainFromDeviceURI(pFullDeviceURICopy,&pDeviceURIDomain,&pDeviceURIPCM);
if (err)
{
- AFB_WARNING("Invalid device URI string -> %s",fullDeviceURI);
+ AFB_WARNING("Invalid device URI string -> %s",pFullDeviceURICopy);
continue;
}
+
+ EndpointInfoT * pEndpointInfo = InitEndpointInfo();
+ g_assert_nonnull(pEndpointInfo);
// non ALSA URI are simply passed to application (no validation) at this time
// In Non ALSA case devices in config are assumed to be available, if not application can fallback on explicit device selection
+ pEndpointInfo->gsDeviceName = g_strdup(pDeviceURIPCM);
+ pEndpointInfo->gsDeviceDomain = g_strdup(pDeviceURIDomain);
+ pEndpointInfo->gsDeviceURI = g_strdup(pDeviceURIPCM);
+ pEndpointInfo->pRoleName = g_strdup(in_pAudioRole);
+
+ g_free(pFullDeviceURICopy);
+ pFullDeviceURICopy = NULL;
+ pDeviceURIDomain = NULL; //Derived from above mem
+ pDeviceURIPCM = NULL; //Derived from above mem
- endpointInfo.cardNum = -1;
- endpointInfo.deviceNum = -1;
- endpointInfo.cardNum = -1;
- strncpy(endpointInfo.deviceName,pDeviceURIPCM,AUDIOHL_MAX_DEVICE_NAME_LENGTH);
-
- if (IsAlsaDomain(pDeviceURIDomain))
+ if (IsAlsaDomain(pEndpointInfo->gsDeviceDomain))
{
// TODO: Missing support for loose name matching
// This will require using ALSA hints to get PCM names
// And would iterate over all available devices matching string (possibly all if no filtering is desired for a certain role)
-
- snd_pcm_t * pPcmHandle = NULL;
-
- // get PCM handle
- err = snd_pcm_open(&pPcmHandle, pDeviceURIPCM, SND_PCM_STREAM_PLAYBACK, 0);
+
+ // Get PCM handle
+ snd_pcm_t * pPcmHandle = NULL;
+ snd_pcm_stream_t streamType = in_deviceType == ENDPOINTTYPE_SOURCE ? SND_PCM_STREAM_CAPTURE : SND_PCM_STREAM_PLAYBACK;
+ err = snd_pcm_open(&pPcmHandle, pEndpointInfo->gsDeviceURI, streamType, 0);
if (err < 0)
{
- AFB_NOTICE("Alsa PCM device was not found -> %s", pDeviceURIPCM);
+ AFB_NOTICE("Alsa PCM device was not found -> %s", pEndpointInfo->gsDeviceURI);
continue;
}
- err = FillALSAPCMInfo(pPcmHandle,&endpointInfo);
+ err = FillALSAPCMInfo(pPcmHandle,pEndpointInfo);
if (err) {
- AFB_WARNING("Unable to retrieve PCM information for PCM -> %s",pDeviceURIPCM);
+ AFB_WARNING("Unable to retrieve PCM information for PCM -> %s",pEndpointInfo->gsDeviceURI);
snd_pcm_close(pPcmHandle);
continue;
}
snd_pcm_close(pPcmHandle);
-
- // Retrieve HAL API name
- err = RetrieveAssociatedHALAPIName(&endpointInfo);
- if (err) {
- //AFB_WARNING("SetVolume w fail without HAL association ->%s",endpointInfo.deviceURI);
- continue;
- }
}
- else if (IsPulseDomain(pDeviceURIDomain)) {
+ else if (IsPulseDomain(pEndpointInfo->gsDeviceDomain)) {
// Pulse domain
// For now display name is device URI directly, could extrapolated using more heuristics or even usins Pulse API later on
- endpointInfo.deviceURIType = DEVICEURITYPE_PULSE;
-
+ pEndpointInfo->deviceURIType = DEVICEURITYPE_NOT_ALSA;
}
- else if (IsGStreamerDomain(pDeviceURIDomain)){
+ else if (IsGStreamerDomain(pEndpointInfo->gsDeviceDomain)){
// GStreamer domain
// For now display name is device URI directly, could extrapolated using more heuristics or even usins GStreamer API later on
- endpointInfo.deviceURIType = DEVICEURITYPE_GSTREAMER;
+ pEndpointInfo->deviceURIType = DEVICEURITYPE_NOT_ALSA;
}
- else if (IsExternalDomain(pDeviceURIDomain)){
- // External domain
-
- endpointInfo.deviceURIType = DEVICEURITYPE_EXTERNAL;
+ else if (IsExternalDomain(pEndpointInfo->gsDeviceDomain)){
+ // External domain
+ pEndpointInfo->deviceURIType = DEVICEURITYPE_NOT_ALSA;
}
else {
// Unknown domain
- AFB_WARNING("Unknown domain in device URI string -> %s",fullDeviceURI);
+ AFB_WARNING("Unknown domain in device URI string -> %s",pFullDeviceURI);
continue;
}
- err = InitializeEndpointStates( &endpointInfo );
- if (err) {
- AFB_ERROR("Cannot initialize endpoint states for URI -> %s",fullDeviceURI);
- continue;
- }
-
- strncpy(endpointInfo.deviceURI,pDeviceURIPCM,AUDIOHL_MAX_DEVICE_URI_LENGTH);
- strncpy(endpointInfo.audioRole,in_pRoleName,AUDIOHL_MAX_AUDIOROLE_LENGTH);
- endpointInfo.endpointID = CreateNewSinkID();
- endpointInfo.type = ENDPOINTTYPE_SINK;
+ pEndpointInfo->endpointID = in_deviceType == ENDPOINTTYPE_SOURCE ? CreateNewSourceID() : CreateNewSinkID();
+ pEndpointInfo->type = in_deviceType;
+ // Assigned by policy initialization
+ pEndpointInfo->gsDisplayName = malloc(AHL_STR_MAX_LENGTH*sizeof(char));
+ memset(pEndpointInfo->gsDisplayName,0,AHL_STR_MAX_LENGTH*sizeof(char));
+ pEndpointInfo->gsHALAPIName = malloc(AHL_STR_MAX_LENGTH*sizeof(char));
+ memset(pEndpointInfo->gsDisplayName,0,AHL_STR_MAX_LENGTH*sizeof(char));
- // add to structure to list of available source devices
- GArray * pRoleSinkDeviceArray = g_ptr_array_index( g_AHLCtx.policyCtx.pSinkEndpoints, in_iRoleIndex );
- g_array_append_val(pRoleSinkDeviceArray, endpointInfo);
+ // add to structure to list of available devices
+ g_ptr_array_add(out_pEndpointArray, pEndpointInfo);
} // for all devices
- AFB_DEBUG ("Audio high-level - Enumerate sinks done");
+ AFB_DEBUG ("Audio high-level - Enumerate devices done");
return 0;
-}
+} \ No newline at end of file
diff --git a/src/ahl-interface.h b/src/ahl-interface.h
index 781bb05..0488e96 100644
--- a/src/ahl-interface.h
+++ b/src/ahl-interface.h
@@ -1,6 +1,5 @@
/*
* Copyright (C) 2017 "Audiokinetic Inc"
- * Author Francois Thibault <fthibault@audiokinetic.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -18,57 +17,83 @@
#ifndef AHL_INTERFACE_INCLUDE
#define AHL_INTERFACE_INCLUDE
-#define UNDEFINED_ID -1
-
-typedef int endpointID_t;
-typedef int streamID_t;
-
-typedef enum EndpointType {
- ENDPOINTTYPE_SOURCE = 0, // source devices
- ENDPOINTTYPE_SINK, // sink devices
- ENDPOINTTYPE_MAXVALUE // Enum count, keep at the end
-} EndpointTypeT;
-
-// Standardized name for common audio roles (not enforced in any way, just helps system being more compatible)
-#define AUDIOROLE_WARNING "warning" // Safety-relevant or critical alerts/alarms
-#define AUDIOROLE_GUIDANCE "guidance" // Important user information where user action is expected (e.g. navigation instruction)
-#define AUDIOROLE_NOTIFICATION "notification" // HMI or else notifications (e.g. touchscreen events, speech recognition on/off,...)
-#define AUDIOROLE_COMMUNICATION "communications" // Voice communications (e.g. handsfree, speech recognition)
-#define AUDIOROLE_ENTERTAINMENT "entertainment" // Multimedia content (e.g. tuner, media player, etc.)
-#define AUDIOROLE_SYSTEM "system" // System level content or development
-#define AUDIOROLE_STARTUP "startup" // Early (startup) sound
-#define AUDIOROLE_SHUTDOWN "shutdown" // Late (shutdown) sound
-#define AUDIOROLE_NONE "none" // Non-assigned / legacy applications
-
-typedef enum DeviceURIType {
- DEVICEURITYPE_ALSA_HW = 0, // Alsa hardware device URI
- DEVICEURITYPE_ALSA_DMIX, // Alsa Dmix device URI (only for playback devices)
- DEVICEURITYPE_ALSA_DSNOOP, // Alsa DSnoop device URI (only for capture devices)
- DEVICEURITYPE_ALSA_SOFTVOL, // Alsa softvol device URI
- DEVICEURITYPE_ALSA_OTHER, // Alsa domain URI device of unspecified type
- DEVICEURITYPE_PULSE, // Pulse device URI
- DEVICEURITYPE_GSTREAMER, // GStreamer device URI
- DEVICEURITYPE_EXTERNAL, // Device URI for external ECU device
- DEVICEURITYPE_MAXVALUE // Enum count, keep at the end
-} DeviceURITypeT;
-
-// Standardized list of properties (string used for extensibility)
-#define AUDIOHL_PROPERTY_BALANCE "balance"
-#define AUDIOHL_PROPERTY_FADE "fade"
-#define AUDIOHL_PROPERTY_EQ_LOW "eq_low"
-#define AUDIOHL_PROPERTY_EQ_MID "eq_mid"
-#define AUDIOHL_PROPERTY_EQ_HIGH "eq_high"
-
-// Standardized list of state names/values (string used for extensibility)
-#define AUDIOHL_STATE_NAME_ACTIVE "active"
-#define AUDIOHL_STATE_NAME_MUTE "mute"
-#define AUDIOHL_STATE_VALUE_ON "on"
-#define AUDIOHL_STATE_VALUE_OFF "off"
-
-// Known audio domain string definitions (for configuration file format)
-#define AUDIOHL_DOMAIN_ALSA "Alsa"
-#define AUDIOHL_DOMAIN_PULSE "Pulse"
-#define AUDIOHL_DOMAIN_GSTREAMER "GStreamer"
-#define AUDIOHL_DOMAIN_EXTERNAL "External"
+///// API /////
+
+// Endpoint types
+#define AHL_ENDPOINTTYPE_SOURCE "source" // source devices
+#define AHL_ENDPOINTTYPE_SINK "sink" // sink devices
+
+// Stream state
+#define AHL_STREAM_STATE_IDLE "idle" // Stream is inactive
+#define AHL_STREAM_STATE_RUNNING "running" // Stream is active and running
+#define AHL_STREAM_STATE_PAUSED "paused" // Stream is active but paused
+
+// Stream mute state
+#define AHL_STREAM_UNMUTED "off" // Stream is not muted
+#define AHL_STREAM_MUTED "on" // Stream is muted
+
+// Property/Volume/Action events
+#define AHL_ENDPOINT_PROPERTY_EVENT "ahl_endpoint_property_event"
+#define AHL_ENDPOINT_VOLUME_EVENT "ahl_endpoint_volume_event"
+#define AHL_ENDPOINT_INIT_EVENT "ahl_endpoint_init_event"
+#define AHL_POST_ACTION_EVENT "ahl_post_action"
+#define AHL_STREAM_STATE_EVENT "ahl_stream_state_event"
+#define AHL_ENDPOINT_INIT_EVENT "ahl_endpoint_init_event"
+
+
+// Stream state event types
+#define AHL_STREAM_EVENT_START "start" // Stream is inactive
+#define AHL_STREAM_EVENT_STOP "stop" // Stream is running
+#define AHL_STREAM_EVENT_PAUSE "pause" // Audio stream paused
+#define AHL_STREAM_EVENT_RESUME "resume" // Audio stream resumed
+#define AHL_STREAM_EVENT_MUTE "mute" // Audio stream muted
+#define AHL_STREAM_EVENT_UNMUTE "unmute" // Audio stream unmuted
+
+///// Interpret returned or configuration information /////
+
+// Known audio domain string definitions (for configuration file format and device URI interpretation)
+#define AHL_DOMAIN_ALSA "alsa"
+#define AHL_DOMAIN_PULSE "pulse"
+#define AHL_DOMAIN_GSTREAMER "gstreamer"
+#define AHL_DOMAIN_EXTERNAL "external"
+
+// ALSA Device URI type
+#define AHL_DEVICEURITYPE_ALSA_HW "hw" // Alsa hardware device URI
+#define AHL_DEVICEURITYPE_ALSA_DMIX "dmix" // Alsa Dmix device URI (only for playback devices)
+#define AHL_DEVICEURITYPE_ALSA_DSNOOP "dsnoop" // Alsa DSnoop device URI (only for capture devices)
+#define AHL_DEVICEURITYPE_ALSA_SOFTVOL "softvol" // Alsa softvol device URI
+#define AHL_DEVICEURITYPE_ALSA_PLUG "plug" // Alsa plug device URI
+#define AHL_DEVICEURITYPE_ALSA_OTHER "other" // Alsa domain URI device of unspecified type
+#define AHL_DEVICEURITYPE_NOT_ALSA "nonalsa"
+
+// Define default behavior of audio role when interrupting lower priority sources (in configuration)
+#define AHL_INTERRUPTBEHAVIOR_CONTINUE "continue" // Continue to play when interrupted (e.g. media may be ducked)
+#define AHL_INTERRUPTBEHAVIOR_CANCEL "cancel" // Abort playback when interrupted (e.g. non-important HMI feedback that does not make sense later)
+#define AHL_INTERRUPTBEHAVIOR_PAUSE "pause" // Pause source when interrupted, to be resumed afterwards (e.g. non-temporal guidance)
+
+///// Naming convention /////
+
+// Standardized name for common audio roles (not enforced in any way, just helps compatibility)
+#define AHL_ROLE_WARNING "warning" // Safety-relevant or critical alerts/alarms
+#define AHL_ROLE_GUIDANCE "guidance" // Important user information where user action is expected (e.g. navigation instruction)
+#define AHL_ROLE_NOTIFICATION "notification" // HMI or else notifications (e.g. touchscreen events, speech recognition on/off,...)
+#define AHL_ROLE_COMMUNICATION "communication" // Voice communications (e.g. handsfree, speech recognition)
+#define AHL_ROLE_ENTERTAINMENT "entertainment" // Multimedia content (e.g. tuner, media player, etc.)
+#define AHL_ROLE_SYSTEM "system" // System level content or development
+#define AHL_ROLE_STARTUP "startup" // Early (startup) sound
+#define AHL_ROLE_SHUTDOWN "shutdown" // Late (shutdown) sound
+#define AHL_ROLE_NONE "none" // Non-assigned / legacy applications
+
+// Standardized list of properties (not enforced in any way, just helps compatibility)
+#define AHL_PROPERTY_BALANCE "balance"
+#define AHL_PROPERTY_FADE "fade"
+#define AHL_PROPERTY_EQ_LOW "eq_bass"
+#define AHL_PROPERTY_EQ_MID "eq_mid"
+#define AHL_PROPERTY_EQ_HIGH "eq_treble"
+
+// Standardized list of events (not enforced in any way, just helps compatibility)
+#define AHL_EVENTS_PLAYSOUND "play_sound"
+#define AHL_EVENTS_ECHOCANCEL_ENABLE "echocancel_enable"
+#define AHL_EVENTS_ECHOCANCEL_DISABLE "echocancel_disable"
#endif // AHL_INTERFACE_INCLUDE
diff --git a/src/ahl-policy-utils.c b/src/ahl-policy-utils.c
new file mode 100644
index 0000000..60ddd36
--- /dev/null
+++ b/src/ahl-policy-utils.c
@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2017 "Audiokinetic Inc"
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ahl-policy-utils.h"
+#include "wrap-json.h"
+#include <json-c/json.h>
+#include <glib.h>
+
+void Add_Endpoint_Property_Double( EndpointInfoT * io_pEndpointInfo, char * in_pPropertyName, double in_dPropertyValue)
+{
+ json_object * propValueJ = json_object_new_double(in_dPropertyValue);
+ g_hash_table_insert(io_pEndpointInfo->pPropTable, in_pPropertyName, propValueJ);
+}
+
+
+void Add_Endpoint_Property_Int( EndpointInfoT * io_pEndpointInfo, char * in_pPropertyName, int in_iPropertyValue)
+{
+ json_object * propValueJ = json_object_new_int(in_iPropertyValue);
+ g_hash_table_insert(io_pEndpointInfo->pPropTable, in_pPropertyName, propValueJ);
+}
+
+void Add_Endpoint_Property_String( EndpointInfoT * io_pEndpointInfo, char * in_pPropertyName, const char * in_pPropertyValue)
+{
+ json_object * propValueJ = json_object_new_string(in_pPropertyValue);
+ g_hash_table_insert(io_pEndpointInfo->pPropTable, in_pPropertyName, propValueJ);
+}
+
+int PolicyEndpointStructToJSON(EndpointInfoT * pEndpointInfo, json_object **ppPolicyEndpointJ)
+{
+ if(pEndpointInfo == NULL || pEndpointInfo->pPropTable == NULL)
+ {
+ AFB_ERROR("Invalid PolicyEndpointStructToJSON arguments");
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ //Create json object for PropTable
+ json_object *pPropTableJ = json_object_new_array();
+ if(pEndpointInfo->pPropTable) {
+ GHashTableIter iter;
+ gpointer key, value;
+ g_hash_table_iter_init (&iter, pEndpointInfo->pPropTable);
+ while (g_hash_table_iter_next (&iter, &key, &value))
+ {
+ json_object *pPropertyJ = NULL;
+ int error=wrap_json_pack(&pPropertyJ, "{s:s,s:o}",
+ "property_name", (char*)key,
+ "property_value", value
+ );
+ if(error)
+ {
+ AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(error));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+ json_object_array_add(pPropTableJ, pPropertyJ);
+ }
+ AFB_DEBUG("json object query=%s", json_object_get_string(pPropTableJ));
+ }
+
+ //Create json object for Endpoint
+ int err= wrap_json_pack(ppPolicyEndpointJ, "{s:i,s:i,s:s,s:s,s:s,s:s,s:s,s:i,s:s,s:i,s:i,s:i,s:i,s:i,s:i,s:i,s:o}",
+ "endpoint_id", pEndpointInfo->endpointID,
+ "endpoint_type", pEndpointInfo->type,
+ "device_name", pEndpointInfo->gsDeviceName,
+ "display_name", pEndpointInfo->gsDisplayName,
+ "device_uri", pEndpointInfo->gsDeviceURI,
+ "device_domain", pEndpointInfo->gsDeviceDomain,
+ "audio_role",pEndpointInfo->pRoleName,
+ "device_uri_type", pEndpointInfo->deviceURIType,
+ "hal_api_name", pEndpointInfo->gsHALAPIName,
+ "alsa_cardNum", pEndpointInfo->alsaInfo.cardNum,
+ "alsa_deviceNum", pEndpointInfo->alsaInfo.deviceNum,
+ "alsa_subDeviceNum", pEndpointInfo->alsaInfo.subDeviceNum,
+ "format_samplerate", pEndpointInfo->format.sampleRate,
+ "format_numchannels", pEndpointInfo->format.numChannels,
+ "format_sampletype",pEndpointInfo->format.sampleType,
+ "volume", pEndpointInfo->iVolume,
+ "property_table", pPropTableJ
+ );
+ if (err) {
+ AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+ AFB_DEBUG("JSON endpoint information=%s", json_object_get_string(*ppPolicyEndpointJ));
+ return AHL_POLICY_UTIL_SUCCESS;
+}
+
+int PolicyStreamStructToJSON(StreamInfoT * pPolicyStream, json_object **ppPolicyStreamJ)
+{
+ if(pPolicyStream == NULL)
+ {
+ AFB_ERROR("Invalid arguments to PolicyStreamStructToJSON");
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ json_object * pEndpointJ = NULL;
+ int iRet = PolicyEndpointStructToJSON(pPolicyStream->pEndpointInfo, &pEndpointJ);
+ if (iRet) {
+ return iRet;
+ }
+
+ //Create json object for stream
+ int err = wrap_json_pack(ppPolicyStreamJ, "{s:i,s:i,s:i,s:I,s:i,s:s,s:i,s:i,s:o}",
+ "stream_id", pPolicyStream->streamID,
+ "stream_state", pPolicyStream->streamState,
+ "stream_mute", pPolicyStream->streamMute,
+ "stream_state_event", &pPolicyStream->streamStateEvent,
+ "endpoint_sel_mod", pPolicyStream->endpointSelMode,
+ "role_name", pPolicyStream->pRoleName,
+ "priority", pPolicyStream->iPriority,
+ "interrupt_behavior", pPolicyStream->eInterruptBehavior,
+ "endpoint_info", pEndpointJ
+ );
+ if (err) {
+ AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ AFB_DEBUG("JSON stream information=%s", json_object_get_string(*ppPolicyStreamJ));
+
+ return AHL_POLICY_UTIL_SUCCESS;
+}
+
+int PolicyCtxJSONToEndpoint(json_object *pEndpointJ, EndpointInfoT * pEndpointInfo)
+{
+ if(pEndpointJ == NULL || pEndpointInfo == NULL /*|| pEndpointInfo->pPropTable == NULL */ )
+ {
+ AFB_ERROR("Invalid arguments for PolicyCtxJSONToEndpoint");
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ //Unpack Endpoint
+ json_object *pPropTableJ = NULL;
+ int err = wrap_json_unpack(pEndpointJ, "{s:i,s:i,s:s,s:s,s:s,s:s,s:s,s:i,s:s,s:i,s:i,s:i,s:i,s:i,s:i,s:i,s:o}",
+ "endpoint_id", &pEndpointInfo->endpointID,
+ "endpoint_type", &pEndpointInfo->type,
+ "device_name", &pEndpointInfo->gsDeviceName,
+ "display_name", &pEndpointInfo->gsDisplayName,
+ "device_uri", &pEndpointInfo->gsDeviceURI,
+ "device_domain", &pEndpointInfo->gsDeviceDomain,
+ "audio_role", &pEndpointInfo->pRoleName,
+ "device_uri_type", &pEndpointInfo->deviceURIType,
+ "hal_api_name", &pEndpointInfo->gsHALAPIName,
+ "alsa_cardNum", &pEndpointInfo->alsaInfo.cardNum,
+ "alsa_deviceNum", &pEndpointInfo->alsaInfo.deviceNum,
+ "alsa_subDeviceNum", &pEndpointInfo->alsaInfo.subDeviceNum,
+ "format_samplerate", &pEndpointInfo->format.sampleRate,
+ "format_numchannels", &pEndpointInfo->format.numChannels,
+ "format_sampletype",&pEndpointInfo->format.sampleType,
+ "volume", &pEndpointInfo->iVolume,
+ "property_table", &pPropTableJ
+ );
+ if (err) {
+ AFB_ERROR("Unable to unpack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ // Unpack prop table
+ if(pPropTableJ)
+ {
+ pEndpointInfo->pPropTable = g_hash_table_new(g_str_hash, g_str_equal);
+
+ int nbProperties = json_object_array_length(pPropTableJ);
+ for(int i=0; i<nbProperties; i++)
+ {
+ json_object * propJ = json_object_array_get_idx(pPropTableJ,i);
+ if (propJ) {
+ char * pPropertyName = NULL;
+ json_object * pPropertyValueJ = NULL;
+
+ int err=wrap_json_unpack(propJ, "{s:s,s:o}",
+ "property_name", &pPropertyName,
+ "property_value", &pPropertyValueJ);
+ if (err) {
+ AFB_ERROR("Unable to unpack JSON endpoint, = %s", wrap_json_get_error_string(err));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ // Object type detection for property value (string = state, numeric = property)
+ json_type jType = json_object_get_type(pPropertyValueJ);
+ switch (jType) {
+ case json_type_double:
+ Add_Endpoint_Property_Double(pEndpointInfo,pPropertyName,json_object_get_double(pPropertyValueJ));
+ break;
+ case json_type_int:
+ Add_Endpoint_Property_Int(pEndpointInfo,pPropertyName,json_object_get_int(pPropertyValueJ));
+ break;
+ case json_type_string:
+ Add_Endpoint_Property_String(pEndpointInfo,pPropertyName,json_object_get_string(pPropertyValueJ));
+ break;
+ default:
+ AFB_ERROR("Invalid property argument Property value not a valid json object query=%s", json_object_get_string(pPropertyValueJ));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+ }
+ }
+ }
+
+ return AHL_POLICY_UTIL_SUCCESS;
+}
+
+int PolicyCtxJSONToStream(json_object *pStreamJ, StreamInfoT * pPolicyStream)
+{
+ if(pStreamJ == NULL || pPolicyStream == NULL)
+ {
+ AFB_ERROR("Invalid arguments for PolicyCtxJSONToStream");
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ //Unpack StreamInfo
+ json_object *pEndpointJ = NULL;
+ AFB_WARNING("json object query=%s", json_object_get_string(pStreamJ));
+ int err=wrap_json_unpack(pStreamJ, "{s:i,s:i,s:i,s:I,s:i,s:s,s:i,s:i,s:o}",
+ "stream_id", &pPolicyStream->streamID,
+ "stream_state", &pPolicyStream->streamState,
+ "stream_mute", &pPolicyStream->streamMute,
+ "stream_state_event", &pPolicyStream->streamStateEvent,
+ "endpoint_sel_mod", &pPolicyStream->endpointSelMode,
+ "role_name", &pPolicyStream->pRoleName,
+ "priority", &pPolicyStream->iPriority,
+ "interrupt_behavior", &pPolicyStream->eInterruptBehavior,
+ "endpoint_info", &pEndpointJ
+ );
+
+ if (err) {
+ AFB_ERROR("Unable to parse JSON stream information=%s", json_object_get_string(pStreamJ));
+ return AHL_POLICY_UTIL_FAIL;
+ }
+
+ int iRet = PolicyCtxJSONToEndpoint(pEndpointJ,pPolicyStream->pEndpointInfo);
+ if (iRet) {
+ return iRet;
+ }
+ return AHL_POLICY_UTIL_SUCCESS;
+}
+ \ No newline at end of file
diff --git a/src/ahl-policy-utils.h b/src/ahl-policy-utils.h
new file mode 100644
index 0000000..6adfa4e
--- /dev/null
+++ b/src/ahl-policy-utils.h
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2017 "Audiokinetic Inc"
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AHL_POLICY_UTILS_INCLUDE
+#define AHL_POLICY_UTILS_INCLUDE
+
+#define AFB_BINDING_VERSION 2
+#include <json-c/json.h>
+#include <afb/afb-binding.h>
+#include <glib.h>
+
+#define AHL_POLICY_ACCEPT 1
+#define AHL_POLICY_REJECT 0
+#define AHL_POLICY_UTIL_SUCCESS 0
+#define AHL_POLICY_UTIL_FAIL 1
+
+typedef int endpointID_t;
+typedef int streamID_t;
+
+typedef enum StreamEvent {
+ STREAM_EVENT_START = 0, // Stream is inactive
+ STREAM_EVENT_STOP, // Stream is running
+ STREAM_EVENT_PAUSE, // Audio stream paused
+ STREAM_EVENT_RESUME, // Audio stream resumed
+ STREAM_EVENT_MUTED, // Audio stream muted
+ STREAM_EVENT_UNMUTED, // Audio stream unmuted
+ STREAM_EVENT_MAXVALUE // Enum count, keep at the end
+} StreamEventT;
+
+typedef enum StreamMute {
+ STREAM_UNMUTED = 0, // Stream is not muted
+ STREAM_MUTED, // Stream is muted
+ STREAM_MUTE_MAXVALUE, // Enum count, keep at the end
+} StreamMuteT;
+
+typedef enum EndpointType {
+ ENDPOINTTYPE_SOURCE = 0, // source devices
+ ENDPOINTTYPE_SINK, // sink devices
+ ENDPOINTTYPE_MAXVALUE // Enum count, keep at the end
+} EndpointTypeT;
+
+typedef enum StreamState {
+ STREAM_STATE_IDLE = 0, // Stream is inactive
+ STREAM_STATE_RUNNING, // Stream is active and running
+ STREAM_STATE_PAUSED, // Stream is active but paused
+ STREAM_STATE_MAXVALUE // Enum count, keep at the end
+} StreamStateT;
+
+// Define default behavior of audio role when interrupting lower priority sources
+typedef enum InterruptBehavior {
+ INTERRUPTBEHAVIOR_CONTINUE = 0, // Continue to play lower priority source when interrupted (e.g. media may be ducked)
+ INTERRUPTBEHAVIOR_CANCEL, // Abort playback of lower priority source when interrupted (e.g. non-important HMI feedback that does not make sense later)
+ INTERRUPTBEHAVIOR_PAUSE, // Pause lower priority source when interrupted, to be resumed afterwards (e.g. non-temporal guidance)
+ INTERRUPTBEHAVIOR_MAXVALUE, // Enum count, keep at the end
+} InterruptBehaviorT;
+
+typedef enum DeviceURIType {
+ DEVICEURITYPE_ALSA_HW = 0, // Alsa hardware device URI
+ DEVICEURITYPE_ALSA_DMIX, // Alsa Dmix device URI (only for playback devices)
+ DEVICEURITYPE_ALSA_DSNOOP, // Alsa DSnoop device URI (only for capture devices)
+ DEVICEURITYPE_ALSA_SOFTVOL, // Alsa softvol device URI
+ DEVICEURITYPE_ALSA_PLUG, // Alsa plug device URI
+ DEVICEURITYPE_ALSA_OTHER, // Alsa domain URI device of unspecified type
+ DEVICEURITYPE_NOT_ALSA, // Unknown (not ALSA domain)
+ DEVICEURITYPE_MAXVALUE // Enum count, keep at the end
+} DeviceURITypeT;
+
+// CPU endianness assumed in all formats
+typedef enum SampleType {
+ AHL_FORMAT_UNKNOWN = -1, // Unknown
+ AHL_FORMAT_U8 = 0, // Unsigned 8 bit
+ AHL_FORMAT_S16, // Signed 16 bit Little Endian
+ AHL_FORMAT_S24, // Signed 24 bit Little Endian using low three bytes in 32-bit word
+ AHL_FORMAT_S32, // Signed 32 bit Little Endian
+ AHL_FORMAT_FLOAT, // Float 32 bit Little Endian, Range -1.0 to 1.0
+ AHL_FORMAT_FLOAT64, // Float 64 bit Little Endian, Range -1.0 to 1.0
+ AHL_FORMAT_IEC958, // IEC-958 Little Endian (SPDIF)
+ AHL_FORMAT_MU_LAW, // Mu-Law
+ AHL_FORMAT_A_LAW, // A-Law
+ AHL_FORMAT_IMA_ADPCM, // Ima-ADPCM
+ AHL_FORMAT_MPEG, // MPEG
+ AHL_FORMAT_GSM, // GSM
+ AHL_FORMAT_G723, // G723
+ AHL_FORMAT_DSD, // Direct stream digital
+ AHL_FORMAT_MAXVALUE, // Enum count, keep at the end
+} SampleTypeT;
+
+typedef struct AudioFormat {
+ int sampleRate; // Sample rate
+ int numChannels; // Number of channels
+ SampleTypeT sampleType; // Sample type
+ // TODO: Interleaving?
+ // TODO: Sample sub format?
+} AudioFormatT;
+
+typedef struct AlsaDeviceInfo {
+ int cardNum; // HW card number
+ int deviceNum; // HW device number
+ int subDeviceNum; // HW sub device number
+} AlsaDeviceInfoT;
+
+typedef enum EndpointSelectionMode {
+ ENDPOINTSELMODE_AUTO = 0, // Automatic endpoint selection based on config priority
+ ENDPOINTSELMODE_MANUAL, // Explicit endpoint selection
+ ENDPOINTSELMODEMAXVALUE, // Enum count, keep at the end
+} EndpointSelectionModeT;
+
+typedef struct EndpointInfo
+{
+ endpointID_t endpointID; // Unique endpoint ID (per type)
+ EndpointTypeT type; // Source or sink device
+ char * gsDeviceName; // Unique device card name
+ char * gsDisplayName; // Application display name
+ char * gsDeviceURI; // Associated URI
+ char * gsDeviceDomain; // Device URI domain (e.g. alsa or pulse)
+ char * pRoleName; // Role assigned to this endpoint
+ DeviceURITypeT deviceURIType; // Device URI type (includes audio domain information)
+ char * gsHALAPIName; // HAL associated with the device (for volume control)
+ AlsaDeviceInfoT alsaInfo; // ALSA specific device information
+ AudioFormatT format; // Preferred audio format supported (later could be array of supported formats)
+ int iVolume; // Storage for current endpoint volume (policy effected).
+ GHashTable * pPropTable; // Storage for array of properties (policy effected)
+} EndpointInfoT;
+
+typedef struct StreamInfo {
+ streamID_t streamID; // Stream unique ID
+ EndpointInfoT * pEndpointInfo; // Associated endpoint information (reference)
+ StreamStateT streamState; // Stream activity state
+ StreamMuteT streamMute; // Stream mute state
+ struct afb_event streamStateEvent; // Stream specific event for stream state changes
+ EndpointSelectionModeT endpointSelMode; // Automatic (priority based) or manual endpoint selection
+ char * pRoleName; // Role string identifier (from role config but could be programatically overriden later)
+ int iPriority; // Role normalized priority (0-100) (from role config but could be programatically overriden later)
+ InterruptBehaviorT eInterruptBehavior; // Role behavior when interrupting lower priority streams (from role config but could be programatically overriden later)
+} StreamInfoT;
+
+
+typedef struct StreamPolicyInfo {
+ streamID_t streamID;
+ int RolePriority;
+ char * pAudioRole;
+ InterruptBehaviorT interruptBehavior;
+ int iDuckVolume; //duck Volume
+} StreamPolicyInfoT;
+
+typedef struct EndPointPolicyInfo {
+ endpointID_t endpointID;
+ EndpointTypeT type;
+ DeviceURITypeT deviceType;
+ char * pDeviceName;
+ char * pHalApiName;
+ int iVolume; //Current Volume
+ GArray * streamInfo; //List of playing or duck stream at a given endpoint
+} EndPointPolicyInfoT;
+
+void Add_Endpoint_Property_Double( EndpointInfoT * io_pEndpointInfo, char * in_pPropertyName, double in_dPropertyValue);
+void Add_Endpoint_Property_Int( EndpointInfoT * io_pEndpointInfo, char * in_pPropertyName, int in_iPropertyValue);
+void Add_Endpoint_Property_String( EndpointInfoT * io_pEndpointInfo, char * in_pPropertyName, const char * in_pPropertyValue);
+int PolicyEndpointStructToJSON(EndpointInfoT * pPolicyEndpoint, json_object **ppPolicyEndpointJ);
+int PolicyCtxJSONToEndpoint(json_object *pEndpointJ, EndpointInfoT * pPolicyStream);
+int PolicyStreamStructToJSON(StreamInfoT * pPolicyStream, json_object **ppPolicyStreamJ);
+int PolicyCtxJSONToStream(json_object *pStreamJ, StreamInfoT * pPolicyStream);
+
+#endif // AHL_POLICY_UTILS_INCLUDE
diff --git a/src/ahl-policy.c b/src/ahl-policy.c
index ff65d10..54634ff 100644
--- a/src/ahl-policy.c
+++ b/src/ahl-policy.c
@@ -1,6 +1,5 @@
/*
* Copyright (C) 2017 "Audiokinetic Inc"
- * Author Francois Thibault <fthibault@audiokinetic.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -18,59 +17,1092 @@
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
+#include <stdbool.h>
+#include "wrap-json.h"
+#include "ahl-policy-utils.h"
+#include "ahl-interface.h"
+#include "ahl-policy.h"
-#include "ahl-binding.h"
+#ifndef AHL_DISCONNECT_POLICY
+// Global Context
+PolicyLocalCtxT g_PolicyCtx;
-// This file provides example of custom, business logic driven policy actions that can affect behavior of the high level
-// TODO: Currently only isolated in separate source file. Objective is to make this to at least a shared lib plug-in
-// Going a step further would be to implement this within afb-controler policy plug-in (would require bi-directional access to HLB context)
-extern AHLCtxT g_AHLCtx; // TODO: Cannot stay if moved to external module
+// Helper Functions
+static int getStreamConfig(char *pAudioRole, StreamConfigT *pStreamConfig)
+{
+ if(pAudioRole == NULL || pStreamConfig==NULL)
+ {
+ return POLICY_FAIL;
+ }
-// Attribute of high-level binding (parsed), policy enforced
-typedef enum InterruptedBehavior {
- INTERRUPTEDBEHAVIOR_CONTINUE = 0, // Continue to play when interrupted (e.g. media will be ducked)
- INTERRUPTEDBEHAVIOR_CANCEL, // Abort playback when interrupted (e.g. non-important HMI feedback that does not make sense later)
- INTERRUPTEDBEHAVIOR_PAUSE, // Pause source when interrupted, to be resumed afterwards (e.g. non-temporal guidance)
- INTERRUPTEDBEHAVIOR_MAXVALUE, // Enum count, keep at the end
-} InterruptedBehaviorT;
+ if ( strcasecmp(pAudioRole,AHL_ROLE_WARNING) == 0 )
+ {
+ pStreamConfig->iNbMaxStream = 4;
+ pStreamConfig->iVolumeInit = 80;
+ pStreamConfig->iVolumeDuckValue = 0;
+ }
+ else if ( strcasecmp(pAudioRole,AHL_ROLE_GUIDANCE) == 0 )
+ {
+ pStreamConfig->iNbMaxStream = 10;
+ pStreamConfig->iVolumeInit = 70;
+ pStreamConfig->iVolumeDuckValue = 30;
+ }
+ else if ( strcasecmp(pAudioRole,AHL_ROLE_NOTIFICATION) == 0 )
+ {
+ pStreamConfig->iNbMaxStream = 4;
+ pStreamConfig->iVolumeInit = 80;
+ pStreamConfig->iVolumeDuckValue = 10;
+ }
+ else if ( strcasecmp(pAudioRole,AHL_ROLE_COMMUNICATION) == 0 )
+ {
+ pStreamConfig->iNbMaxStream = 10;
+ pStreamConfig->iVolumeInit = 70;
+ pStreamConfig->iVolumeDuckValue = 10;
+ }
+ else if ( strcasecmp(pAudioRole,AHL_ROLE_ENTERTAINMENT) == 0 )
+ {
+ pStreamConfig->iNbMaxStream = MAX_ACTIVE_STREAM_POLICY;
+ pStreamConfig->iVolumeInit = 60;
+ pStreamConfig->iVolumeDuckValue = 40;
+ }
+ else if ( strcasecmp(pAudioRole,AHL_ROLE_SYSTEM) == 0 )
+ {
+ pStreamConfig->iNbMaxStream = 2;
+ pStreamConfig->iVolumeInit = 100;
+ pStreamConfig->iVolumeDuckValue = 0;
+ }
+ else if ( strcasecmp(pAudioRole,AHL_ROLE_STARTUP) == 0 )
+ {
+ pStreamConfig->iNbMaxStream = 1;
+ pStreamConfig->iVolumeInit = 90;
+ pStreamConfig->iVolumeDuckValue = 0;
+ }
+ else if ( strcasecmp(pAudioRole,AHL_ROLE_SHUTDOWN) == 0 )
+ {
+ pStreamConfig->iNbMaxStream = 1;
+ pStreamConfig->iVolumeInit = 90;
+ pStreamConfig->iVolumeDuckValue = 0;
+ }
+ return POLICY_SUCCESS;
+}
-PUBLIC int Policy_OpenStream(char *pAudioRole, EndpointTypeT endpointType, endpointID_t endpointID)
+static int PolicySetVolume(int iEndpointID, int iEndpointType, char *pHalApiName, char *AudioRole, DeviceURITypeT deviceType, int iVolume, bool bMute)
{
- return 1; // Policy allowed
+ if(pHalApiName == NULL)
+ {
+ AFB_WARNING("SetVolume cannot be accomplished without proper HAL association");
+ return POLICY_FAIL;
+ }
+
+ if(AudioRole == NULL)
+ {
+ AFB_ERROR("Invalid AudioRole : %s",AudioRole);
+ return POLICY_FAIL;
+ }
+
+ // Using audio role available from endpoint to target the right HAL control (build string based on convention)
+ GString * gsHALControlName = NULL;
+ switch(deviceType)
+ {
+ case DEVICEURITYPE_ALSA_HW:
+ gsHALControlName = g_string_new("Master_Playback_Volume");
+ break;
+ case DEVICEURITYPE_ALSA_DMIX:
+ case DEVICEURITYPE_ALSA_DSNOOP:
+ case DEVICEURITYPE_ALSA_PLUG:
+ case DEVICEURITYPE_ALSA_SOFTVOL:
+ gsHALControlName = g_string_new(AudioRole);
+ if(bMute == false)
+ {
+ AFB_DEBUG("Using ramp");
+ g_string_append(gsHALControlName,"_Ramp");
+ }
+ else
+ {
+ AFB_DEBUG("Not using ramp");
+ g_string_append(gsHALControlName,"_Vol"); // no ramping
+ }
+ break;
+ default:
+ //Set volume to zero for display purpose only.
+ //Not support yet
+ AFB_WARNING("Device Type %i is not support and can't set volume on HalName %s",deviceType, pHalApiName);
+ return POLICY_FAIL;
+ break;
+ }
+
+ // Set endpoint volume using HAL services (leveraging ramps etc.)
+ json_object *j_response, *j_query = NULL;
+
+ // Package query
+ int err = wrap_json_pack(&j_query,"{s:s,s:i}","label",gsHALControlName->str, "val",iVolume);
+ if (err)
+ {
+ AFB_ERROR("Invalid query for HAL ctlset: %s with errorcode: %i",json_object_to_json_string(j_query), err);
+ return POLICY_FAIL;
+ }
+
+ //TODO implement Volume limitation based on policy
+
+ // Set the volume using the HAL
+ err = afb_service_call_sync(pHalApiName, "ctlset", j_query, &j_response);
+ if (err)
+ {
+ AFB_ERROR("Could not ctlset on HAL: %s with errorcode: %i",pHalApiName, err);
+ return POLICY_FAIL;
+ }
+ AFB_DEBUG("HAL ctlset response=%s", json_object_to_json_string(j_response));
+
+ if (bMute == false) {
+ // Package event data
+ json_object * eventDataJ = NULL;
+ err = wrap_json_pack(&eventDataJ,"{s:s,s:i,s:i,s:i,s:s}","event_name", AHL_ENDPOINT_VOLUME_EVENT,"endpoint_id", iEndpointID, "endpoint_type", iEndpointType,"value",iVolume, "audio_role", AudioRole);
+ if (err)
+ {
+ AFB_ERROR("Invalid event data for volume event %s with errorcode: %i",json_object_to_json_string(eventDataJ), err);
+ return POLICY_FAIL;
+ }
+
+ audiohlapi_raise_event(eventDataJ);
+ }
+
+ return POLICY_SUCCESS;
}
-PUBLIC int Policy_SetVolume(EndpointTypeT endpointType, endpointID_t endpointID, char *volumeStr, int rampTimeMS)
+static int PolicyGetVolume(int iEndpointID, int iEndpointType, char *pHalApiName, char *AudioRole, DeviceURITypeT deviceType, int *pVolume)
{
- return 1; // Policy allowed
+ GString * gsHALControlName = NULL;
+
+ // Using audio role available from endpoint to target the right HAL control (build string based on convention)
+ switch(deviceType)
+ {
+ case DEVICEURITYPE_ALSA_HW:
+ gsHALControlName = g_string_new("Master_Playback_Volume");
+ break;
+ case DEVICEURITYPE_ALSA_DMIX:
+ case DEVICEURITYPE_ALSA_DSNOOP:
+ case DEVICEURITYPE_ALSA_PLUG:
+ case DEVICEURITYPE_ALSA_SOFTVOL:
+ gsHALControlName = g_string_new(AudioRole);
+ g_string_append(gsHALControlName,"_Vol"); // Or _Vol for direct control (no ramping)
+ break;
+ default:
+ // Set volume to zero for display purpose only.
+ // Not supported yet
+ *pVolume = 0;
+ AFB_WARNING("Can't get volume on HAL: %s for device type: %d",pHalApiName,deviceType);
+ return POLICY_FAIL;
+ }
+
+ // Set endpoint volume using HAL services (leveraging ramps etc.)
+ json_object *j_response = NULL, *j_query = NULL;
+
+ // Package query
+ int err = wrap_json_pack(&j_query,"{s:s}","label",gsHALControlName->str);
+ if (err)
+ {
+ AFB_WARNING("Invalid query for HAL ctlset: %s, errorcode: %i",json_object_to_json_string(j_query),err);
+ return POLICY_FAIL;
+ }
+
+ //TODO implement Volume limitation based on policy
+
+ // Get the volume using the HAL
+ err = afb_service_call_sync(pHalApiName, "ctlget", j_query, &j_response);
+ if (err)
+ {
+ AFB_WARNING("Could not ctlset on HAL: %s, errorcode: %i",pHalApiName, err);
+ return POLICY_FAIL;
+ }
+ AFB_DEBUG("HAL ctlget response=%s", json_object_to_json_string(j_response));
+
+ // Parse response
+ json_object * jRespObj = NULL;
+ json_object_object_get_ex(j_response, "response", &jRespObj);
+ json_object * jVal = NULL;
+ int val1 = 0, val2 = 0; // Why 2 values?
+
+ json_object_object_get_ex(jRespObj, "val", &jVal);
+ int nbElement = json_object_array_length(jVal);
+ if(nbElement == 2)
+ {
+ err = wrap_json_unpack(jVal, "[ii]", &val1, &val2);
+ if (err) {
+ AFB_ERROR("Volume retrieve failed Could not retrieve volume value -> %s", json_object_get_string(jVal));
+ return POLICY_FAIL;
+ }
+
+ }
+ else
+ {
+ err = wrap_json_unpack(jVal, "[i]", &val1);
+ if (err) {
+ AFB_ERROR("Volume retrieve failed Could not retrieve volume value -> %s", json_object_get_string(jVal));
+ return POLICY_FAIL;
+ }
+
+ }
+
+ *pVolume = val1;
+
+ // Package event data
+ json_object * eventDataJ = NULL;
+ err = wrap_json_pack(&eventDataJ,"{s:s,s:i,s:i,s:i,s:s}","event_name", AHL_ENDPOINT_VOLUME_EVENT,"endpoint_id", iEndpointID, "endpoint_type", iEndpointType,"value",*pVolume, "audio_role", AudioRole);
+ if (err)
+ {
+ AFB_ERROR("Invalid event data for volume event %s with errorcode: %i",json_object_to_json_string(eventDataJ), err);
+ return POLICY_FAIL;
+ }
+
+ audiohlapi_raise_event(eventDataJ);
+
+ return POLICY_SUCCESS;
}
-PUBLIC int Policy_SetProperty(EndpointTypeT endpointType, endpointID_t endpointID, char *propertyName, char *propValueStr, int rampTimeMS)
+static void PolicyPostStateEvent(int iStreamID, StreamEventT eventState)
{
- return 1; // Policy allowed
+
+ json_object * eventDataJ = NULL;
+ int err = wrap_json_pack(&eventDataJ,"{s:s,s:i,s:i}","event_name", AHL_STREAM_STATE_EVENT,"stream_id",iStreamID, "state_event",eventState);
+ if (err)
+ {
+ AFB_ERROR("Invalid event data for stream state event: %s",json_object_to_json_string(eventDataJ));
+ }
+ else
+ {
+ audiohlapi_raise_event(eventDataJ);
+ }
+}
+
+static EndPointPolicyInfoT *PolicySearchEndPoint(EndpointTypeT type, char *pDeviceName)
+{
+ GArray *pcurEndpointArray = NULL;
+
+ if(type==ENDPOINTTYPE_SINK)
+ {
+ pcurEndpointArray = g_PolicyCtx.pSinkEndpoints;
+ }
+ else
+ {
+ pcurEndpointArray = g_PolicyCtx.pSourceEndpoints;
+ }
+
+ for(int i=0; i<pcurEndpointArray->len; i++)
+ {
+ EndPointPolicyInfoT * pCurEndpoint = &g_array_index(pcurEndpointArray,EndPointPolicyInfoT,i);
+
+ if(strcasecmp(pCurEndpoint->pDeviceName,pDeviceName)==0)
+ {
+ return pCurEndpoint;
+ }
+ }
+
+ return NULL;
}
-PUBLIC int Policy_SetState(EndpointTypeT endpointType, endpointID_t endpointID, char *pStateName, char *pStateValue)
+static int PolicyAddEndPoint(StreamInfoT *pStreamInfo)
{
+ EndPointPolicyInfoT *pPolicyEndPoint = PolicySearchEndPoint(pStreamInfo->pEndpointInfo->type, pStreamInfo->pEndpointInfo->gsDeviceName);
+ if(pPolicyEndPoint == NULL)
+ {
+ //create EndPoint and add playing stream
+ EndPointPolicyInfoT newEndPointPolicyInfo;
+ newEndPointPolicyInfo.endpointID = pStreamInfo->pEndpointInfo->endpointID;
+ newEndPointPolicyInfo.type = pStreamInfo->pEndpointInfo->type;
+ newEndPointPolicyInfo.deviceType = pStreamInfo->pEndpointInfo->deviceURIType;
+ newEndPointPolicyInfo.pDeviceName = strdup(pStreamInfo->pEndpointInfo->gsDeviceName);
+ newEndPointPolicyInfo.pHalApiName = strdup(pStreamInfo->pEndpointInfo->gsHALAPIName);
+ newEndPointPolicyInfo.iVolume = pStreamInfo->pEndpointInfo->iVolume;
+ newEndPointPolicyInfo.streamInfo = g_array_new(FALSE, TRUE, sizeof(StreamPolicyInfoT));;
- //Active rule check
-
- //Ducking rule settings
+ if(pStreamInfo->pEndpointInfo->type == ENDPOINTTYPE_SINK)
+ {
+ g_array_append_val(g_PolicyCtx.pSinkEndpoints, newEndPointPolicyInfo);
+ }
+ else
+ {
+ g_array_append_val(g_PolicyCtx.pSourceEndpoints, newEndPointPolicyInfo);
+ }
+
+ }
+ return POLICY_SUCCESS;
+}
+
+
+static int PolicyAddStream(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInfoT *pStreamInfo)
+{
+ StreamPolicyInfoT newStreamPolicyInfo;
+
+ newStreamPolicyInfo.streamID = pStreamInfo->streamID;
+ newStreamPolicyInfo.RolePriority = pStreamInfo->iPriority;
+ newStreamPolicyInfo.pAudioRole = pStreamInfo->pRoleName;
+ newStreamPolicyInfo.interruptBehavior = pStreamInfo->eInterruptBehavior;
+ newStreamPolicyInfo.iDuckVolume = 0;
+ g_array_append_val(pCurrEndPointPolicy->streamInfo, newStreamPolicyInfo);
+ return POLICY_SUCCESS;
+}
+
+static int PolicyRunningIdleTransition(EndPointPolicyInfoT *pCurrEndPointPolicy,StreamInfoT * pStreamInfo)
+{
+ int err=0;
+ if(pCurrEndPointPolicy == NULL || pCurrEndPointPolicy->streamInfo->len == 0)
+ {
+ //Remove endpoint
+ AFB_ERROR("StreamID not found in active Endpoint when Running to Idle transition is request");
+ return POLICY_FAIL;
+ }
+ //Search for the matching stream
+ for(int i=0; i<pCurrEndPointPolicy->streamInfo->len; i++)
+ {
+ StreamPolicyInfoT currentPolicyStreamInfo = g_array_index(pCurrEndPointPolicy->streamInfo,StreamPolicyInfoT,i);
+ if(currentPolicyStreamInfo.streamID == pStreamInfo->streamID)
+ {
+ //remove the current stream
+ g_array_remove_index(pCurrEndPointPolicy->streamInfo, i);
+ if(pCurrEndPointPolicy->streamInfo->len > 0) //need to unduck
+ {
+ //check the last element(Akways highest priority)
+ StreamPolicyInfoT HighPriorityStreamInfo = g_array_index(pCurrEndPointPolicy->streamInfo,StreamPolicyInfoT,pCurrEndPointPolicy->streamInfo->len-1);
+ switch(currentPolicyStreamInfo.interruptBehavior)
+ {
+ case INTERRUPTBEHAVIOR_CONTINUE:
+ //unduck and set Volume back to original value
+ err= PolicySetVolume(pCurrEndPointPolicy->endpointID,
+ pCurrEndPointPolicy->type,
+ pCurrEndPointPolicy->pHalApiName,
+ HighPriorityStreamInfo.pAudioRole,
+ pCurrEndPointPolicy->deviceType,
+ HighPriorityStreamInfo.iDuckVolume,
+ false);
+ if(err)
+ {
+ return POLICY_FAIL;
+ }
+
+ return POLICY_SUCCESS;
+ break;
+ case INTERRUPTBEHAVIOR_PAUSE:
+ //pInterruptStreamInfo->streamState = STREAM_STATE_RUNNING;
+ PolicyPostStateEvent(HighPriorityStreamInfo.streamID,STREAM_EVENT_RESUME);
+ return POLICY_SUCCESS;
+ break;
+
+ case INTERRUPTBEHAVIOR_CANCEL:
+ PolicyPostStateEvent(HighPriorityStreamInfo.streamID,STREAM_EVENT_START);
+ return POLICY_SUCCESS;
+ break;
+ default:
+ AFB_ERROR("Unsupported Intterupt Behavior");
+ return POLICY_FAIL;
+ break;
+ }
+ }
+ }
+ }
+ return POLICY_SUCCESS;
+}
+
+static int PolicyIdleRunningTransition(EndPointPolicyInfoT *pCurrEndPointPolicy, StreamInfoT * pStreamInfo)
+{
+ int err=0;
+ if(pCurrEndPointPolicy->streamInfo == NULL)
+ {
+ AFB_ERROR("pCurrEndPointPolicy->streamInfo is null on an active endpoint");
+ return POLICY_FAIL;
+ }
+
+ if(pCurrEndPointPolicy->streamInfo->len == 0) //No stream is playing on this endpoint
+ {
+ PolicyAddStream(pCurrEndPointPolicy, pStreamInfo);
+ }
+ else //Interrupt case
+ {
+ //check the last element
+ StreamPolicyInfoT *pCurrentActiveStreamInfo = &g_array_index(pCurrEndPointPolicy->streamInfo,StreamPolicyInfoT,pCurrEndPointPolicy->streamInfo->len-1);
+ g_assert_nonnull(pCurrentActiveStreamInfo);
+ if(pStreamInfo->iPriority >= pCurrentActiveStreamInfo->RolePriority)
+ {
+ switch(pStreamInfo->eInterruptBehavior)
+ {
+ case INTERRUPTBEHAVIOR_CONTINUE:
+ //Save the current Volume and set the docking volume
+ pCurrentActiveStreamInfo->iDuckVolume = pStreamInfo->pEndpointInfo->iVolume;
+ StreamConfigT StreamConfig;
+ err = getStreamConfig(pStreamInfo->pRoleName, &StreamConfig);
+ if(err == POLICY_FAIL)
+ {
+ AFB_ERROR("Error getting stream configuration for audiorole: %s", pStreamInfo->pRoleName);
+ return POLICY_FAIL;
+ }
+ err= PolicySetVolume(pCurrEndPointPolicy->endpointID,
+ pCurrEndPointPolicy->type,
+ pCurrEndPointPolicy->pHalApiName,
+ pCurrentActiveStreamInfo->pAudioRole,
+ pCurrEndPointPolicy->deviceType,
+ StreamConfig.iVolumeDuckValue,
+ false);
+ if(err)
+ {
+ AFB_ERROR("Set Volume return with errorcode%i for streamID: %i and Hal:%s", err, pCurrentActiveStreamInfo->streamID, pCurrEndPointPolicy->pHalApiName);
+ return POLICY_FAIL;
+ }
+ break;
+ case INTERRUPTBEHAVIOR_PAUSE:
+ PolicyPostStateEvent(pCurrentActiveStreamInfo->streamID,STREAM_EVENT_PAUSE);
+ break;
+
+ case INTERRUPTBEHAVIOR_CANCEL:
+ PolicyPostStateEvent(pCurrentActiveStreamInfo->streamID,STREAM_EVENT_STOP);
+ g_array_remove_index(pCurrEndPointPolicy->streamInfo, pCurrEndPointPolicy->streamInfo->len-1);
+ break;
+ default:
+ AFB_ERROR("Unsupported Intterupt Behavior");
+ return AHL_POLICY_REJECT;
+ break;
+
+ }
+
+ //Add the playing stream at last
+ PolicyAddStream(pCurrEndPointPolicy, pStreamInfo);
+ }
+ else
+ {
+ //Higher Priority Stream is playing
+ AFB_ERROR("Higher Priority Stream is playing");
+ return POLICY_FAIL;
+ }
+
+
+ }
+
+ return POLICY_SUCCESS;
+}
+
+static void PolicySpeedModify(int speed)
+{
+
+ for(int i=0; i<g_PolicyCtx.pSinkEndpoints->len; i++)
+ {
+ EndPointPolicyInfoT * pCurEndpoint = &g_array_index(g_PolicyCtx.pSinkEndpoints,EndPointPolicyInfoT,i);
+ if(pCurEndpoint == NULL)
+ {
+ AFB_WARNING("Sink Endpoint not found");
+ return;
+ }
+
+ //check if active
+ if(pCurEndpoint->streamInfo->len > 0 )
+ {
+ StreamPolicyInfoT * pCurStream = &g_array_index(pCurEndpoint->streamInfo,StreamPolicyInfoT,pCurEndpoint->streamInfo->len-1);
+ if(strcasecmp(pCurStream->pAudioRole,AHL_ROLE_ENTERTAINMENT)==0)
+ {
+ if(speed > 30 && speed < 100)
+ {
+ int volume =speed;
+ PolicySetVolume(pCurEndpoint->endpointID,
+ pCurEndpoint->type,
+ pCurEndpoint->pHalApiName,
+ pCurStream->pAudioRole,
+ pCurEndpoint->deviceType,
+ volume,
+ false);
+ }
+ }
+ }
+ }
+}
+
+static int RetrieveAssociatedHALAPIName(EndpointInfoT * io_pEndpointInfo)
+{
+ if(g_PolicyCtx.pHALList)
+ {
+ for(int i=0; i<g_PolicyCtx.pHALList->len; i++)
+ {
+ HalInfoT *pHalInfo = g_ptr_array_index(g_PolicyCtx.pHALList, i);
+ // Retrieve card number (e.g. hw:0)
+ int iCardNum = atoi(pHalInfo->pDevID+3);
+ if (iCardNum == io_pEndpointInfo->alsaInfo.cardNum) {
+ io_pEndpointInfo->gsHALAPIName=strdup(pHalInfo->pAPIName);
+ io_pEndpointInfo->gsDisplayName=strdup(pHalInfo->pDisplayName);
+ return POLICY_SUCCESS;
+ }
+ }
+ }
+
+ io_pEndpointInfo->gsHALAPIName=strdup(AHL_POLICY_UNDEFINED_HALNAME);
+ io_pEndpointInfo->gsDisplayName=strdup(AHL_POLICY_UNDEFINED_DISPLAYNAME);
+
+ return POLICY_FAIL;
+}
+
+static int GetHALList(void)
+{
+ json_object *j_response, *j_query = NULL;
+ int err;
+ err = afb_service_call_sync("alsacore", "hallist", j_query, &j_response);
+ if (err) {
+ AFB_ERROR("Could not retrieve list of HAL from ALSA core");
+ return POLICY_FAIL;
+ }
+ AFB_DEBUG("ALSAcore hallist response=%s", json_object_to_json_string(j_response));
+
+ // Look through returned list for matching card
+ json_object * jRespObj = NULL;
+ json_object_object_get_ex(j_response, "response", &jRespObj);
+ int iNumHAL = json_object_array_length(jRespObj);
+ for ( int i = 0 ; i < iNumHAL; i++)
+ {
+ json_object * jHAL = json_object_array_get_idx(jRespObj,i);
+ char * pDevIDStr = NULL;
+ char * pAPIName = NULL;
+ char * pShortName = NULL;
+
+ int err = wrap_json_unpack(jHAL, "{s:s,s:s,s:s}", "devid", &pDevIDStr,"api", &pAPIName,"shortname",&pShortName);
+ if (err) {
+ AFB_ERROR("Could not retrieve devid string=%s", json_object_get_string(jHAL));
+ return POLICY_FAIL;
+ }
+
+ HalInfoT *pHalInfo = (HalInfoT*)malloc(sizeof(HalInfoT));
+ if(pHalInfo == NULL)
+ {
+ AFB_ERROR("Unable to allocate memory for HalInfo");
+ return POLICY_FAIL;
+ }
+
+ pHalInfo->pDevID = strdup(pDevIDStr);
+ pHalInfo->pAPIName = strdup(pAPIName);
+ pHalInfo->pDisplayName = strdup(pShortName);
+
+ g_ptr_array_add( g_PolicyCtx.pHALList, pHalInfo);
+ }
+
+ return POLICY_SUCCESS;
+}
+
+//
+// Policy API Functions
+//
+int Policy_OpenStream(json_object *pPolicyStreamJ)
+{
+ StreamInfoT PolicyStream;
+ EndpointInfoT EndpointInfo;
+ PolicyStream.pEndpointInfo =&EndpointInfo;
+
+ int err = PolicyCtxJSONToStream(pPolicyStreamJ, &PolicyStream);
+ if(err == AHL_POLICY_UTIL_FAIL)
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+
+ // Example rule -> when system is in shutdown or low power mode, no audio stream can be opened (return AHL_POLICY_REJECT)
+ // Should receive event from lower level layer
+ if(g_PolicyCtx.systemState != SYSTEM_NORMAL)
+ {
+ return AHL_POLICY_REJECT;
+ }
+
+ StreamConfigT StreamConfig;
+ err = getStreamConfig(PolicyStream.pRoleName, &StreamConfig);
+ if(err == POLICY_FAIL)
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+
+ if(PolicyStream.pEndpointInfo->deviceURIType != DEVICEURITYPE_NOT_ALSA) {
+ err=PolicyGetVolume(PolicyStream.pEndpointInfo->endpointID,
+ PolicyStream.pEndpointInfo->type,
+ PolicyStream.pEndpointInfo->gsHALAPIName,
+ PolicyStream.pEndpointInfo->pRoleName,
+ PolicyStream.pEndpointInfo->deviceURIType,
+ &PolicyStream.pEndpointInfo->iVolume);
+ if(err == POLICY_FAIL)
+ {
+ return AHL_POLICY_REJECT;
+ }
+ }
+
+ err = PolicyAddEndPoint(&PolicyStream);
+ if(err == POLICY_FAIL)
+ {
+ return AHL_POLICY_REJECT;
+ }
+ return AHL_POLICY_ACCEPT;
+}
- return AUDIOHL_POLICY_ACCEPT;
+int Policy_CloseStream(json_object *pPolicyStreamJ)
+{
+ //TODO remove Endpoint when there is no stream
+ StreamInfoT PolicyStream;
+ EndpointInfoT EndpointInfo;
+ PolicyStream.pEndpointInfo =&EndpointInfo;
+ int err = PolicyCtxJSONToStream(pPolicyStreamJ, &PolicyStream);
+ if(err == AHL_POLICY_UTIL_FAIL)
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+
+ return AHL_POLICY_ACCEPT;
}
-PUBLIC int Policy_PostSoundEvent(char *eventName, char *audioRole, char *mediaName, void *audioContext)
+int Policy_SetStreamState(json_object *pPolicyStreamJ)
{
- return 1; // Policy allowed
+ //TODO
+ // Optional: Mute endpoint before activation, unmute afterwards (after a delay?) to avoid noises
+ StreamInfoT PolicyStream;
+ EndpointInfoT EndpointInfo;
+ PolicyStream.pEndpointInfo =&EndpointInfo;
+
+
+ StreamStateT streamState = 0;
+ StreamInfoT * pPolicyStream = &PolicyStream;
+ int err = PolicyCtxJSONToStream(pPolicyStreamJ, pPolicyStream);
+ if(err == AHL_POLICY_UTIL_FAIL)
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+
+ json_object *streamStateJ=NULL;
+
+ if(!json_object_object_get_ex(pPolicyStreamJ, "arg_stream_state", &streamStateJ))
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+ streamState = (StreamStateT)json_object_get_int(streamStateJ);
+
+ //Change of state
+ if(pPolicyStream->streamState != streamState)
+ {
+ //seach corresponding endpoint and gather information on it
+ EndPointPolicyInfoT *pCurrEndPointPolicy = PolicySearchEndPoint(pPolicyStream->pEndpointInfo->type , pPolicyStream->pEndpointInfo->gsDeviceName);
+
+ switch(pPolicyStream->streamState)
+ {
+ case STREAM_STATE_IDLE:
+ switch(streamState)
+ {
+ case STREAM_STATE_RUNNING:
+ err = PolicyIdleRunningTransition(pCurrEndPointPolicy, pPolicyStream);
+ if(err)
+ {
+ return AHL_POLICY_REJECT;
+ }
+ PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_START);
+ break;
+ case STREAM_STATE_PAUSED:
+ err = PolicyIdleRunningTransition(pCurrEndPointPolicy, pPolicyStream);
+ if(err)
+ {
+ return AHL_POLICY_REJECT;
+ }
+ PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_PAUSE);
+ break;
+ default:
+ return AHL_POLICY_REJECT;
+ break;
+ }
+ break;
+ case STREAM_STATE_RUNNING:
+ switch(streamState)
+ {
+ case STREAM_STATE_IDLE:
+ err = PolicyRunningIdleTransition(pCurrEndPointPolicy, pPolicyStream);
+ if(err)
+ {
+ return AHL_POLICY_REJECT;
+ }
+ PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_STOP);
+ break;
+ case STREAM_STATE_PAUSED:
+ PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_PAUSE);
+ break;
+ default:
+ return AHL_POLICY_REJECT;
+ break;
+ }
+ break;
+ case STREAM_STATE_PAUSED:
+ switch(streamState)
+ {
+ case STREAM_STATE_IDLE:
+ err = PolicyRunningIdleTransition(pCurrEndPointPolicy, pPolicyStream);
+ if(err)
+ {
+ return AHL_POLICY_REJECT;
+ }
+ PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_STOP);
+ break;
+ case STREAM_STATE_RUNNING:
+ PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_RESUME);
+ break;
+ default:
+ return AHL_POLICY_REJECT;
+ break;
+ }
+ break;
+ default:
+ return AHL_POLICY_REJECT;
+ break;
+ }
+ }
+ return AHL_POLICY_ACCEPT;
}
-PUBLIC int Policy_AudioDeviceChange()
+int Policy_SetStreamMute(json_object *pPolicyStreamJ)
{
- // Allow or disallow a new audio device
- // Raise events to engage device switching
- // Policy can also assign audio role(s) for device
- return 1; // Policy allowed
+ StreamMuteT streamMute = 0;
+ StreamInfoT PolicyStream;
+ EndpointInfoT EndpointInfo;
+ PolicyStream.pEndpointInfo =&EndpointInfo;
+ StreamInfoT * pPolicyStream = &PolicyStream;
+
+ int err = PolicyCtxJSONToStream(pPolicyStreamJ, pPolicyStream);
+ if(err == AHL_POLICY_UTIL_FAIL)
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+
+ json_object *streamMuteJ=NULL;
+
+ if(!json_object_object_get_ex(pPolicyStreamJ, "mute_state", &streamMuteJ))
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+ streamMute = (StreamMuteT)json_object_get_int(streamMuteJ);
+
+ if(streamMute != pPolicyStream->streamMute)
+ {
+ if(streamMute == STREAM_MUTED)
+ {
+
+ err= PolicySetVolume(pPolicyStream->pEndpointInfo->endpointID,
+ pPolicyStream->pEndpointInfo->type,
+ pPolicyStream->pEndpointInfo->gsHALAPIName,
+ pPolicyStream->pRoleName,
+ pPolicyStream->pEndpointInfo->deviceURIType,
+ 0,
+ true);
+ if(err)
+ {
+ AFB_ERROR("StreamID:%i Set Volume return with errorcode%i",pPolicyStream->streamID, err);
+ return AHL_POLICY_REJECT;
+ }
+ PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_MUTED);
+ }
+ else
+ {
+ err= PolicySetVolume(pPolicyStream->pEndpointInfo->endpointID,
+ pPolicyStream->pEndpointInfo->type,
+ pPolicyStream->pEndpointInfo->gsHALAPIName,
+ pPolicyStream->pRoleName,
+ pPolicyStream->pEndpointInfo->deviceURIType,
+ pPolicyStream->pEndpointInfo->iVolume,
+ true);
+ if(err)
+ {
+ AFB_ERROR("Endpoint:%i Set Volume return with errorcode%i",pPolicyStream->streamID, err);
+ return AHL_POLICY_REJECT;
+ }
+ PolicyPostStateEvent(pPolicyStream->streamID,STREAM_EVENT_UNMUTED);
+
+ }
+
+ pPolicyStream->streamMute = streamMute;
+ }
+
+ return AHL_POLICY_ACCEPT;
}
+
+int Policy_SetVolume(json_object *pPolicyEndpointJ)
+{
+ char *volumeStr = NULL;
+ EndpointInfoT EndpointInfo;
+
+ int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo);
+ if(err == AHL_POLICY_UTIL_FAIL)
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+
+ json_object *volumeJ=NULL;
+
+ if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_volume", &volumeJ))
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+ volumeStr = (char*)json_object_get_string(volumeJ);
+
+ // TODO: Parse volume string to support increment/absolute/percent notation (or delegate to action / policy layer to interpret)
+ int vol = atoi(volumeStr);
+
+ //Set the volume
+ err= PolicySetVolume(EndpointInfo.endpointID,
+ EndpointInfo.type,
+ EndpointInfo.gsHALAPIName,
+ EndpointInfo.pRoleName,
+ EndpointInfo.deviceURIType,
+ vol,
+ false);
+ if (err)
+ {
+ AFB_ERROR("Set Volume return with errorcode%i", err);
+ return AHL_POLICY_REJECT;
+ }
+
+ return AHL_POLICY_ACCEPT;
+}
+
+int Policy_SetProperty(json_object *pPolicyEndpointJ)
+{
+
+ char *propertyName = NULL;
+ EndpointInfoT EndpointInfo;
+
+ int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo);
+ if(err == AHL_POLICY_UTIL_FAIL)
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+
+ json_object *propertyNameJ=NULL;
+
+ if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_property_name", &propertyNameJ))
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+ propertyName = (char*)json_object_get_string(propertyNameJ);
+
+ json_object *propValueJ;
+ if(!json_object_object_get_ex(pPolicyEndpointJ, "arg_property_value", &propValueJ))
+ {
+ return AHL_POLICY_ACCEPT;
+ }
+
+ gpointer *key_value=NULL;
+
+ key_value = g_hash_table_lookup(EndpointInfo.pPropTable,propertyName);
+ if(key_value == NULL)
+ {
+ AFB_ERROR("Can't find property %s, request will be rejected", propertyName);
+ return AHL_POLICY_REJECT;
+ }
+
+ //Get JsonObjectype
+ json_type currentjType = json_object_get_type((json_object*)key_value);
+ json_type newjType = json_object_get_type(propValueJ);
+
+ //Apply policy on set property if needed here
+ //Here we only validate that the type is the same
+ if(currentjType != newjType)
+ {
+ AFB_ERROR("Property Value Type is wrong");
+ return AHL_POLICY_REJECT;
+ }
+
+
+ //Create a new Json Object
+ json_object *pEventDataJ = NULL;
+ err = wrap_json_pack(&pEventDataJ,"{s:s,s:i,s:i,s:s,s:o,s:s}",
+ "event_name", AHL_ENDPOINT_PROPERTY_EVENT,
+ "endpoint_id", EndpointInfo.endpointID,
+ "endpoint_type", EndpointInfo.type,
+ "property_name", propertyName,
+ "value",propValueJ,
+ "audio_role", EndpointInfo.pRoleName);
+ if(err)
+ {
+ AFB_ERROR("Unable to pack property event");
+ return AHL_POLICY_REJECT;
+ }
+ //Raise Event to update HLB
+ audiohlapi_raise_event(pEventDataJ);
+
+ return AHL_POLICY_ACCEPT;
+}
+
+int Policy_PostAction(json_object *pPolicyActionJ)
+{
+ char * actionName = NULL;
+ char * audioRole = NULL;
+ char * mediaName = NULL;
+ json_object *actionContext = NULL;
+
+ int err = wrap_json_unpack(pPolicyActionJ, "{s:s,s:s,s?s,s?o}", "action_name", &actionName,"audio_role",&audioRole,"media_name",&mediaName,"action_context",&actionContext);
+ if (err) {
+ AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_REJECT;
+ }
+
+ // TODO: Any event with media specified should trigger action on provided rendering services (e.g. Wwise binding, gstreamer file player wrapper, MPDC? simple ALSA player (aplay)?)
+ // Example (when the policy is hooked to CAN events). Post audio playback events other than safety during reverse gear engaged declined
+ // Example post HMI audio role playback events declined when higher priority streams are active
+
+ //In this use case just return the action back to highlevel binding.
+
+ json_object *pEventDataJ = NULL;
+ err = wrap_json_pack(&pEventDataJ, "{s:s,s:s,s:s,s?s,s?o}", "event_name", AHL_POST_ACTION_EVENT, "action_name", &actionName,"audio_role",&audioRole,"media_name",&mediaName,"action_context",&actionContext);
+ if (err) {
+ AFB_ERROR("Unable to pack JSON endpoint, =%s", wrap_json_get_error_string(err));
+ return AHL_POLICY_REJECT;
+ }
+ audiohlapi_raise_event(pEventDataJ);
+
+ return AHL_POLICY_ACCEPT;
+}
+
+int Policy_Endpoint_Init(json_object *pPolicyEndpointJ)
+{
+ EndpointInfoT EndpointInfo;
+
+ int err = PolicyCtxJSONToEndpoint(pPolicyEndpointJ, &EndpointInfo);
+ if(err == AHL_POLICY_UTIL_FAIL)
+ {
+ return AHL_POLICY_REJECT;
+ }
+
+ if (EndpointInfo.deviceURIType != DEVICEURITYPE_NOT_ALSA) {
+ // Update Hal Name
+ err = RetrieveAssociatedHALAPIName(&EndpointInfo);
+ if (err) {
+ AFB_ERROR("HAL not found for Device %s", EndpointInfo.gsDeviceName);
+ return AHL_POLICY_REJECT;
+ }
+
+ //Set Init Volume
+ StreamConfigT StreamConfig;
+ getStreamConfig(EndpointInfo.pRoleName, &StreamConfig);
+ err = PolicySetVolume(EndpointInfo.endpointID,
+ EndpointInfo.type,
+ EndpointInfo.gsHALAPIName,
+ EndpointInfo.pRoleName,
+ EndpointInfo.deviceURIType,
+ StreamConfig.iVolumeInit,
+ false);
+ if(err) {
+ return AHL_POLICY_REJECT;
+ }
+ }
+
+ // Test example
+ Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_EQ_LOW,3);
+ Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_EQ_MID,0);
+ Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_EQ_HIGH,6);
+ Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_BALANCE,0);
+ Add_Endpoint_Property_Int(&EndpointInfo,AHL_PROPERTY_FADE,30);
+ Add_Endpoint_Property_String(&EndpointInfo,"preset_name","flat");
+
+
+ gpointer *key_value = g_hash_table_lookup(EndpointInfo.pPropTable,AHL_PROPERTY_BALANCE);
+ if(key_value == NULL)
+ {
+ AFB_ERROR("Can't find property %s, request will be rejected", AHL_PROPERTY_BALANCE);
+ return AHL_POLICY_REJECT;
+ }
+
+ //Create a new Json Object
+ json_object *pNewPolicyEndpointJ = NULL;
+ err = PolicyEndpointStructToJSON(&EndpointInfo, &pNewPolicyEndpointJ);
+ if (err == AHL_POLICY_UTIL_FAIL)
+ {
+ return AHL_POLICY_REJECT;
+ }
+ json_object *paramJ= json_object_new_string(AHL_ENDPOINT_INIT_EVENT);
+ json_object_object_add(pNewPolicyEndpointJ, "event_name", paramJ);
+
+ //Raise Event to update HLB
+ audiohlapi_raise_event(pNewPolicyEndpointJ);
+
+ return AHL_POLICY_ACCEPT; // No errors
+}
+
+int Policy_Init()
+{
+ // Initialize Ressources
+ g_PolicyCtx.pSourceEndpoints =g_array_new(FALSE,TRUE,sizeof(EndPointPolicyInfoT));
+ g_PolicyCtx.pSinkEndpoints = g_array_new(FALSE,TRUE,sizeof(EndPointPolicyInfoT));
+ g_PolicyCtx.pHALList = g_ptr_array_new_with_free_func(g_free);
+
+ //Get HalList
+ GetHALList();
+
+ //Set System Normal for now, this should be set by an event
+ //TODO: Receive event from low level
+ g_PolicyCtx.systemState = SYSTEM_NORMAL;
+
+ //register audio backend events
+ //This is to simulate can bus, only used for demo
+ json_object *queryurl, *responseJ, *eventsJ;
+
+ eventsJ = json_object_new_array();
+ json_object_array_add(eventsJ, json_object_new_string("audiod_system_event"));
+ queryurl = json_object_new_object();
+ json_object_object_add(queryurl, "events", eventsJ);
+ int returnResult = afb_service_call_sync("audiod", "subscribe", queryurl, &responseJ);
+ if (returnResult) {
+ AFB_ERROR("Fail subscribing to Audio Backend System events");
+ return AHL_POLICY_REJECT;
+ }
+ return AHL_POLICY_ACCEPT;
+}
+
+void Policy_Term()
+{
+ //Free Ressources
+ if (g_PolicyCtx.pHALList) {
+ g_ptr_array_free(g_PolicyCtx.pHALList,TRUE);
+ g_PolicyCtx.pHALList = NULL;
+ }
+
+ for(int i=0; i<g_PolicyCtx.pSourceEndpoints->len; i++)
+ {
+ EndPointPolicyInfoT * pCurEndpoint = &g_array_index(g_PolicyCtx.pSourceEndpoints,EndPointPolicyInfoT,i);
+ g_array_free(pCurEndpoint->streamInfo,TRUE);
+ pCurEndpoint->streamInfo= NULL;
+ }
+
+ for(int i=0; i<g_PolicyCtx.pSinkEndpoints->len; i++)
+ {
+ EndPointPolicyInfoT * pCurEndpoint = &g_array_index(g_PolicyCtx.pSinkEndpoints,EndPointPolicyInfoT,i);
+ g_array_free(pCurEndpoint->streamInfo,TRUE);
+ pCurEndpoint->streamInfo = NULL;
+ }
+
+ g_array_free(g_PolicyCtx.pSourceEndpoints,TRUE);
+ g_PolicyCtx.pSourceEndpoints = NULL;
+ g_array_free(g_PolicyCtx.pSinkEndpoints,TRUE);
+ g_PolicyCtx.pSinkEndpoints = NULL;
+}
+
+void Policy_OnEvent(const char *evtname, json_object *eventJ)
+{
+ AFB_DEBUG("Policy received event %s", evtname);
+ char *eventName = NULL;
+ json_object *event_parameter = NULL;
+ int speed = 0;
+
+ if(strcasecmp(evtname, "audiod/system_events")==0)
+ {
+ int err = wrap_json_unpack(eventJ, "{s:s,s:o}", "event_name", &eventName, "event_parameter", &event_parameter);
+ if (err) {
+ AFB_WARNING("Invalid arguments, Args not a valid json object query=%s", json_object_get_string(eventJ));
+ return;
+ }
+
+ if(strcasecmp(eventName, "speed")==0)
+ {
+ AFB_NOTICE("Invalid arguments, Args not a valid json object query=%s", json_object_get_string(event_parameter));
+ err = wrap_json_unpack(event_parameter, "{s:i}", "speed_value", &speed);
+ if (err) {
+ AFB_WARNING("Invalid arguments, Args not a valid json object query=%s", json_object_get_string(event_parameter));
+ return;
+ }
+ //When speed change Modify volume on Endpoint where entertainment change
+ PolicySpeedModify(speed);
+ }
+ }
+}
+
+#endif // AHL_DISCONNECT_POLICY \ No newline at end of file
diff --git a/src/ahl-policy.h b/src/ahl-policy.h
new file mode 100644
index 0000000..d1cf87e
--- /dev/null
+++ b/src/ahl-policy.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2017 "Audiokinetic Inc"
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AHL_POLICY_INCLUDE
+#define AHL_POLICY_INCLUDE
+#include "ahl-policy-utils.h"
+
+#ifndef AHL_DISCONNECT_POLICY
+
+#define MAX_ACTIVE_STREAM_POLICY 30
+#define POLICY_FAIL 1
+#define POLICY_SUCCESS 0
+
+#define AHL_POLICY_UNDEFINED_HALNAME "UNDEFINED"
+#define AHL_POLICY_UNDEFINED_DISPLAYNAME "DeviceNotFound"
+
+typedef enum SystemState {
+ SYSTEM_STARTUP = 0, // Startup
+ SYSTEM_SHUTDOWN, // ShutDown
+ SYSTEM_NORMAL, // Normal
+ SYSTEM_LOW_POWER, // Low Power, save mode
+ SYSTEM_MAXVALUE // Enum count, keep at the end
+} SystemStateT;
+
+
+typedef struct HalInfo {
+ char *pDevID;
+ char *pAPIName;
+ char *pDisplayName;
+} HalInfoT;
+
+typedef struct StreamConfig {
+ int iNbMaxStream;
+ int iVolumeInit;
+ int iVolumeDuckValue;
+} StreamConfigT;
+
+// Global Policy Local context
+typedef struct PolicyLocalCtx {
+ GArray * pSourceEndpoints; // List of Source Endpoint with playing stream or interrupted stream
+ GArray * pSinkEndpoints; // List of Sink Endpoint with playing stream or interrupted stream
+ GPtrArray * pHALList;
+ SystemStateT systemState;
+} PolicyLocalCtxT;
+
+int Policy_Endpoint_Init(json_object *pPolicyEndpointJ);
+int Policy_OpenStream(json_object *pPolicyStreamJ);
+int Policy_CloseStream(json_object *pPolicyStreamJ);
+int Policy_SetStreamState(json_object *pPolicyStreamJ);
+int Policy_SetStreamMute(json_object *pPolicyStreamJ);
+int Policy_PostAction(json_object *pPolicyActionJ);
+int Policy_SetVolume(json_object *pPolicyEndpointJ);
+int Policy_SetProperty(json_object *pPolicyEndpointJ);
+int Policy_Init();
+void Policy_Term();
+void Policy_OnEvent(const char *evtname, json_object *eventJ);
+
+extern void audiohlapi_raise_event(json_object * pEventDataJ);
+#endif // AHL_DISCONNECT_POLICY
+#endif // AHL_POLICY_INCLUDE \ No newline at end of file