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-rw-r--r--AlsaSound/HALayer/SharedHal/CMakeLists.txt29
-rw-r--r--AlsaSound/HALayer/SharedHal/SharedHalLib.c341
-rw-r--r--AlsaSound/HALayer/SharedHal/SharedHalLib.h62
3 files changed, 0 insertions, 432 deletions
diff --git a/AlsaSound/HALayer/SharedHal/CMakeLists.txt b/AlsaSound/HALayer/SharedHal/CMakeLists.txt
deleted file mode 100644
index d789367..0000000
--- a/AlsaSound/HALayer/SharedHal/CMakeLists.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-###########################################################################
-# Copyright 2015, 2016, 2017 IoT.bzh
-#
-# author: Fulup Ar Foll <fulup@iot.bzh>
-#
-# 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_DIRECTORIES(${include_dirs})
-
-##################################################
-# Shared HAL(Hardware Abstraction Layer)
-##################################################
-ADD_LIBRARY(sharedhal STATIC SharedHalLib.c)
-SET_TARGET_PROPERTIES(sharedhal PROPERTIES OUTPUT_NAME sharedhal)
-SET(link_libraries ${libefence_LIBRARIES} ${json-c_LIBRARIES})
-TARGET_LINK_LIBRARIES(sharedhal ${link_libraries})
-
-
diff --git a/AlsaSound/HALayer/SharedHal/SharedHalLib.c b/AlsaSound/HALayer/SharedHal/SharedHalLib.c
deleted file mode 100644
index 43d0cfe..0000000
--- a/AlsaSound/HALayer/SharedHal/SharedHalLib.c
+++ /dev/null
@@ -1,341 +0,0 @@
-/*
- * Copyright (C) 2016 "IoT.bzh"
- * Author Fulup Ar Foll <fulup@iot.bzh>
- *
- * 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.
- *
- * reference:
- * amixer contents; amixer controls;
- * http://www.tldp.org/HOWTO/Alsa-sound-6.html
- */
-#define _GNU_SOURCE // needed for vasprintf
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <netdb.h>
-#include <fcntl.h>
-#include <math.h>
-#include <sys/time.h>
-#include <sys/types.h>
-
-#include "SharedHalLib.h"
-
-typedef struct {
- int index;
- int numid;
-} shareHallMap_T;
-
-static struct afb_service srvitf;
-static const struct afb_binding_interface *afbIface;
-static shareHallMap_T *shareHallMap;
-
-// Force specific HAL to depend on ShareHalLib
-PUBLIC char* SharedHalLibVersion="1.0";
-
-// This callback when api/alsacore/subscribe returns
-STATIC void alsaSubcribeCB(void *handle, int iserror, struct json_object *result) {
- struct afb_req request = afb_req_unstore(handle);
- struct json_object *x, *resp = NULL;
- const char *info = NULL;
-
- if (result) {
- INFO(afbIface, "result=[%s]\n", json_object_to_json_string(result));
- if (json_object_object_get_ex(result, "request", &x) && json_object_object_get_ex(x, "info", &x))
- info = json_object_get_string(x);
- if (!json_object_object_get_ex(result, "response", &resp)) resp = NULL;
- }
-
- // push message respond
- if (iserror) afb_req_fail_f(request, "Fail", info);
- else afb_req_success(request, resp, info);
-
- // free calling request
- afb_req_unref(request);
-}
-
-// Create and subscribe to alsacore ctl events
-
-STATIC void halMonitor(struct afb_req request) {
-
- // save request in session as it might be used after return by callback
- struct afb_req *handle = afb_req_store(request);
-
- // push request to low level binding
- if (!handle) afb_req_fail(request, "error", "out of memory");
- else afb_service_call(srvitf, "alsacore", "subctl", json_object_get(afb_req_json(request)), alsaSubcribeCB, handle);
-
- // success/failure messages return from callback
-}
-
-// Subscribe to AudioBinding events
-
-STATIC void halSubscribe(struct afb_req request) {
- const char *devid = afb_req_value(request, "devid");
- if (devid == NULL) {
- afb_req_fail_f(request, "devid-missing", "devid=hw:xxx missing");
- }
-}
-
-// Call when all bindings are loaded and ready to accept request
-
-STATIC void halGetVol(struct afb_req request) {
-
- // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card
- afb_req_success(request, NULL, NULL);
- return;
-
-}
-
-STATIC void halSetVol(struct afb_req request) {
- const char *arg;
- const char *pcm;
-
- arg = afb_req_value(request, "vol");
- if (arg == NULL) {
- afb_req_fail_f(request, "argument-missing", "vol=[0,100] missing");
- goto OnErrorExit;
- }
-
- pcm = afb_req_value(request, "pcm");
- if (pcm == NULL) pcm = "Master";
-
- // Should call here Hardware Alsa Abstraction Layer for corresponding Sound Card
- afb_req_success(request, NULL, NULL);
- return;
-
-OnErrorExit:
- return;
-
-}
-
-// AudioLogic expect volume values to be 0-100%
-
-STATIC int NormaliseValue(const alsaHalCtlMapT *halCtls, int valuein) {
- int valueout;
-
- if (valuein > halCtls->maxval) valuein= halCtls->maxval;
- if (valuein < halCtls->minval) valuein= halCtls->minval;
-
- // volume are ajusted to 100% any else is ignored
- switch (halCtls->group) {
- case OUTVOL:
- case PCMVOL:
- case INVOL:
- valueout = (valuein * 100) / (halCtls->maxval - halCtls->minval);
- break;
- default:
- valueout = valuein;
- }
- return (valueout);
-}
-
-// receive controls for LowLevel remap them to hight level before returning them
-
-STATIC void halGetControlCB(void *handle, int iserror, struct json_object *result) {
- alsaHalMapT *halCtls = alsaHalSndCard.ctls;
- struct json_object *response;
-
- // retrieve request and check for errors
- struct afb_req request = afb_req_unstore(handle);
- if (!cbCheckResponse(request, iserror, result)) goto OnExit;
-
- // Get response from object
- json_object_object_get_ex(result, "response", &response);
- if (!response) {
- afb_req_fail_f(request, "response-notfound", "No Controls return from alsa/getcontrol result=[%s]", json_object_get_string(result));
- goto OnExit;
- }
-
- // extract sounds controls information from received Object
- struct json_object *ctls;
- json_object_object_get_ex(result, "ctls", &ctls);
- if (!ctls) {
- afb_req_fail_f(request, "ctls-notfound", "No Controls return from alsa/getcontrol response=[%s]", json_object_get_string(response));
- goto OnExit;
- }
-
- // make sure return controls have a valid type
- if (json_object_get_type(ctls) != json_type_array) {
- afb_req_fail_f(request, "ctls-notarray", "Invalid Controls return from alsa/getcontrol response=[%s]", json_object_get_string(response));
- goto OnExit;
- }
-
- // loop on array and store values into client context
- for (int idx = 0; idx < json_object_array_length(ctls); idx++) {
- struct json_object *ctl;
- int rawvalue, numid;
-
- ctl = json_object_array_get_idx(ctls, idx);
- if (json_object_array_length(ctl) != 2) {
- afb_req_fail_f(request, "ctl-invalid", "Invalid Control return from alsa/getcontrol ctl=[%s]", json_object_get_string(ctl));
- goto OnExit;
- }
-
- // As HAL and Business logic use the same AlsaMixerHal.h direct conversion is not an issue
- numid = (halCtlsEnumT) json_object_get_int(json_object_array_get_idx(ctl, 0));
- rawvalue = json_object_get_int(json_object_array_get_idx(ctl, 1));
-
- for (int idx = 0; halCtls[idx].alsa.numid != 0; idx++) {
- if (halCtls[idx].alsa.numid == numid) {
- struct json_object *ctlAndValue = json_object_new_array();
- json_object_array_add(ctlAndValue, json_object_new_int(idx)); // idx == high level control
- json_object_array_add(ctlAndValue, json_object_new_int(NormaliseValue(&halCtls[idx].alsa, rawvalue)));
- break;
- }
- }
- if (shareHallMap[idx].numid == 0) {
-
- afb_req_fail_f(request, "ctl-invalid", "Invalid Control numid from alsa/getcontrol ctl=[%s]", json_object_get_string(ctl));
- goto OnExit;
- }
- }
-
- OnExit:
- return;
-}
-
-
-// Translate high level control to low level and call lower layer
-STATIC void halGetCtls(struct afb_req request) {
-
- struct json_object *queryin, *queryout, *ctlsin, *devid;
- struct json_object *ctlsout = json_object_new_array();
-
- // get query from request
- queryin = afb_req_json(request);
-
- // check devid was given
- if (!json_object_object_get_ex (queryin, "devid", &devid)) {
- afb_req_fail_f(request, "devid-notfound", "No DevID given query=[%s]", json_object_get_string(queryin));
- goto OnExit;
- }
-
- // loop on requested controls
- if (!json_object_object_get_ex(queryin, "ctls", &ctlsin) || json_object_array_length(ctlsin) <= 0) {
- afb_req_fail_f(request, "ctlsin-notfound", "No Controls given query=[%s]", json_object_get_string(queryin));
- goto OnExit;
- }
-
- // loop on controls
- for (int idx = 0; idx < json_object_array_length(ctlsin); idx++) {
- struct json_object *ctl;
- halCtlsEnumT control;
-
- // each control should be halCtlsEnumT
- ctl = json_object_array_get_idx(ctlsin, idx);
- control = (halCtlsEnumT) json_object_get_int(ctl);
- if (control >= EndHalCrlTag || control <= StartHalCrlTag) {
- afb_req_fail_f(request, "ctl-invalid", "Invalid Control devid=%s sndcard=%s ctl=[%s] should be [%d-%d]"
- , json_object_get_string(devid), alsaHalSndCard.name, json_object_get_string(ctl), StartHalCrlTag, EndHalCrlTag);
- goto OnExit;
- }
-
- // add corresponding lowlevel numid to querylist
- json_object_array_add(ctlsout, json_object_new_int(shareHallMap[control].numid));
- }
-
- // register HAL with Alsa Low Level Binder devid=hw:0&numid=1&quiet=0
- queryout = json_object_new_object();
- json_object_object_add(queryout, "devid", devid);
- json_object_object_add(queryout, "ctls", ctlsout);
-
- // save request context dans call lowlevel API
- struct afb_req *handle = afb_req_store(request);
- afb_service_call(srvitf, "alsacore", "getctl", queryout, halGetControlCB, handle);
-
-OnExit:
- // Under normal situation success/failure is set from callback
- return;
-};
-
-STATIC void halInitCB(void *handle, int iserror, struct json_object *result) {
- struct json_object *queryurl = (json_object*) handle;
-
- if (iserror) NOTICE(afbIface, "halInitCB: registration alsaHAL query=[%s] Fail", json_object_to_json_string(queryurl));
- else DEBUG(afbIface, "halInitCB: registration alsaHAL card=[%s] Success", json_object_to_json_string(queryurl));
-}
-
-// This receive all event this binding subscribe to
-PUBLIC void afbBindingV1ServiceEvent(const char *evtname, struct json_object *object) {
-
- NOTICE(afbIface, "afbBindingV1ServiceEvent evtname=%s [msg=%s]", evtname, json_object_to_json_string(object));
-}
-
-// this is call when after all bindings are loaded
-PUBLIC int afbBindingV1ServiceInit(struct afb_service service) {
- int rc=0;
- srvitf = service;
- struct json_object *queryurl;
-
- if (alsaHalSndCard.initCB) {
- rc= (alsaHalSndCard.initCB) (afbIface, service);
- if (rc != 0) goto OnExit;
- }
-
- // register HAL with Alsa Low Level Binder
- queryurl = json_object_new_object();
- json_object_object_add(queryurl, "prefix", json_object_new_string(alsaHalSndCard.prefix));
- json_object_object_add(queryurl, "name", json_object_new_string(alsaHalSndCard.name));
- afb_service_call(srvitf, "alsacore", "registerHal", queryurl, halInitCB, queryurl);
-
- OnExit:
- return (rc);
-};
-
-// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
-static const struct afb_verb_desc_v1 halSharedApi[] = {
- /* VERB'S NAME SESSION MANAGEMENT FUNCTION TO CALL SHORT DESCRIPTION */
- { .name = "ping", .session = AFB_SESSION_NONE, .callback = pingtest, .info = "Ping Binding"},
- { .name = "getctls", .session = AFB_SESSION_NONE, .callback = halGetCtls, .info = "Get Control"},
- { .name = "setvol", .session = AFB_SESSION_NONE, .callback = halSetVol, .info = "Set Volume"},
- { .name = "getvol", .session = AFB_SESSION_NONE, .callback = halGetVol, .info = "Get Volume"},
- { .name = "subscribe", .session = AFB_SESSION_NONE, .callback = halSubscribe,.info = "Subscribe Alsa Events"},
- { .name = "monitor", .session = AFB_SESSION_NONE, .callback = halMonitor ,.info = "Monitor Alsa Events"},
- { .name = NULL} /* marker for end of the array */
-};
-
-
-static struct afb_binding alsaHalBinding = {
- /* description conforms to VERSION 1 */
- .type= AFB_BINDING_VERSION_1,
- .v1= {
- .prefix= NULL,
- .info = NULL,
- .verbs = halSharedApi,
- }
-};
-
-// Process HAL mapping from alsaHalSndCardT before registering HAL binder
-PUBLIC const struct afb_binding *afbBindingV1Register(const struct afb_binding_interface *itf) {
-
- afbIface = itf; // need to keep a static trace of binder interface for avances functions
- // alsaHalBinding.v1.verbs = halSharedApi; // complete sndcard specific alsaHalBinding with standard HAL APIs
- alsaHalMapT *halCtls = alsaHalSndCard.ctls; // Get sndcard specific HAL control mapping
-
- if (halCtls == NULL) {
- ERROR(afbIface, "afbBindingV1Register Fail alsaHalCtlsMap==NULL");
- return NULL;
- }
-
- // Create a zone to store HAL high/low level mapping
- shareHallMap = malloc(EndHalCrlTag * sizeof (shareHallMap_T));
- for (int idx = 0; (halCtls[idx].alsa.numid != 0 || halCtls[idx].cb.callback != NULL); idx++) {
- if (halCtls[idx].alsa.numid == 0) halCtls[idx].alsa.numid =-1;
- shareHallMap[halCtls[idx].alsa.control].numid = halCtls[idx].alsa.numid;
- }
-
- alsaHalBinding.v1.prefix= alsaHalSndCard.prefix;
- alsaHalBinding.v1.info = alsaHalSndCard.info;
- return &alsaHalBinding; /* returns the description of the binding */
-};
diff --git a/AlsaSound/HALayer/SharedHal/SharedHalLib.h b/AlsaSound/HALayer/SharedHal/SharedHalLib.h
deleted file mode 100644
index 7cf4489..0000000
--- a/AlsaSound/HALayer/SharedHal/SharedHalLib.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * AlsaLibMapping -- provide low level interface with AUDIO lib (extracted from alsa-json-gateway code)
- * Copyright (C) 2015,2016,2017, Fulup Ar Foll fulup@iot.bzh
- *
- * 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 SHAREHALLIB_H
-#define SHAREHALLIB_H
-
-#include <stdio.h>
-#include "AudioCommonLib.h"
-
-typedef struct {
- halCtlsEnumT control;
- int numid;
- halGroupEnumT group;
- int values;
- int minval;
- int maxval;
- int step;
- halAclEnumT acl;
-} alsaHalCtlMapT;
-
-// avoid compiler warning [Jose does not like typedef :) ]
-typedef struct afb_service alsaHalServiceT;
-
-typedef struct {
- struct json_object* (*callback)(alsaHalServiceT service, int control, int value, alsaHalCtlMapT *map, void* handle);
- void* handle;
-} alsaHalCbMapT;
-
-typedef struct {
- alsaHalCtlMapT alsa;
- alsaHalCbMapT cb;
- char* info;
-} alsaHalMapT;
-
-typedef struct {
- const char *prefix;
- const char *name;
- const char *info;
- alsaHalMapT *ctls;
- int (*initCB) (const struct afb_binding_interface *itf, struct afb_service service);
-
-} alsaHalSndCardT;
-
-PUBLIC alsaHalSndCardT alsaHalSndCard;
-PUBLIC char* SharedHalLibVersion;
-
-#endif /* SHAREHALLIB_H */
-