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authorManuel Bachmann <manuel.bachmann@iot.bzh>2016-05-11 08:41:50 +0200
committerManuel Bachmann <manuel.bachmann@iot.bzh>2016-05-11 08:41:50 +0200
commita4c89089944e8b101ec39ce19dacf400c16aeabf (patch)
treeeb706da8c51169290042c2503cd517f245dbc5b8 /plugins/audio/audio-api.c
parent1e8edd92a04281bddc86fff3db5b407943504aed (diff)
Update Audio plugin, re-enable ALSA/Pulse linking
Audio plugin is now ported to new API and builds again. Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>
Diffstat (limited to 'plugins/audio/audio-api.c')
-rw-r--r--plugins/audio/audio-api.c87
1 files changed, 51 insertions, 36 deletions
diff --git a/plugins/audio/audio-api.c b/plugins/audio/audio-api.c
index 237d7619..f8c51cca 100644
--- a/plugins/audio/audio-api.c
+++ b/plugins/audio/audio-api.c
@@ -17,6 +17,7 @@
#define _GNU_SOURCE
#include <stdlib.h>
+#include <json-c/json.h>
#include "audio-api.h"
#include "audio-alsa.h"
@@ -29,7 +30,7 @@
/* ------ BACKEND FUNCTIONS ------- */
-void _backend_init (const char *name, audioCtxHandleT *ctx) {
+unsigned char _backend_init (const char *name, audioCtxHandleT *ctx) {
char *backend_env = getenv ("AFB_AUDIO_OUTPUT");
unsigned char res = 0;
@@ -41,8 +42,10 @@ void _backend_init (const char *name, audioCtxHandleT *ctx) {
#endif
res = _alsa_init (name, ctx);
- if (!res && verbose)
+ if (!res)
fprintf (stderr, "Could not initialize Audio backend\n");
+
+ return res;
}
void _backend_free (audioCtxHandleT *ctx) {
@@ -119,14 +122,15 @@ void _backend_set_channels (audioCtxHandleT *ctx, unsigned int channels) {
/* ------ LOCAL HELPER FUNCTIONS --------- */
-/* private client context creation ; default values */
-STATIC audioCtxHandleT* initAudioCtx () {
+/* private client context constructor ; default values */
+static audioCtxHandleT* initAudioCtx () {
audioCtxHandleT *ctx;
int i;
ctx = malloc (sizeof(audioCtxHandleT));
ctx->audio_dev = NULL;
+ ctx->name = NULL;
ctx->idx = -1;
for (i = 0; i < 8; i++)
ctx->volume[i] = 25;
@@ -137,45 +141,49 @@ STATIC audioCtxHandleT* initAudioCtx () {
return ctx;
}
-STATIC AFB_error releaseAudio (audioCtxHandleT *ctx) {
+static void releaseAudioCtx (void *context) {
+
+ audioCtxHandleT *ctx = (audioCtxHandleT*) context;
/* power it off */
_backend_free (ctx);
/* clean client context */
+ ctx->audio_dev = NULL;
+ if (ctx->name)
+ free (ctx->name);
ctx->idx = -1;
-
- return AFB_SUCCESS;
-}
-
-/* called when client session dies [e.g. client quits for more than 15mns] */
-STATIC void freeAudio (void *context) {
- free (context);
+ free (ctx);
}
/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-STATIC void init (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void init (struct afb_req request) { /* AFB_SESSION_CHECK */
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
json_object *jresp;
/* create a private client context */
- if (!request.context)
- request.context = initAudioCtx();
+ if (!ctx) {
+ ctx = initAudioCtx();
+ afb_req_context_set (request, ctx, releaseAudioCtx);
+ }
- _backend_init("default", request.context);
+ if (!_backend_init ("default", ctx)) {
+ afb_req_fail (request, "failed", "backend initialization failed");
+ }
jresp = json_object_new_object();
- json_object_object_add (jresp, "info", json_object_new_string ("Audio initialized"));
-
- afb_req_success (request, jresp, "Audio initiliazed");
+ json_object_object_add (jresp, "init", json_object_new_string ("success"));
+ afb_req_success (request, jresp, "Audio initialized");
}
-STATIC void volume (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void volume (struct afb_req request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
+ struct afb_arg arg = afb_req_get (request, "value");
+ const char *value = arg.value;
json_object *jresp;
unsigned int volume[8], i;
char *volume_i;
@@ -201,8 +209,7 @@ STATIC void volume (struct afb_req request) { /* AFB_SESSION_CHECK */
if (100 < volume[0]) {
free (volume_i);
- //request.errcode = MHD_HTTP_SERVICE_UNAVAILABLE;
- afb_req_fail (request, "Failed", "Volume must be between 0 and 100");
+ afb_req_fail (request, "failed", "volume must be between 0 and 100");
return;
}
ctx->volume[0] = volume[0];
@@ -230,10 +237,11 @@ STATIC void volume (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Audio - Volume changed");
}
-STATIC void channels (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void channels (struct afb_req request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
+ struct afb_arg arg = afb_req_get (request, "value");
+ const char *value = arg.value;
json_object *jresp = json_object_new_object();
char channels_str[256];
@@ -255,10 +263,11 @@ STATIC void channels (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Audio - Channels set");
}
-STATIC void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
+ struct afb_arg arg = afb_req_get (request, "value");
+ const char *value = arg.value;
json_object *jresp = json_object_new_object();
/* no "?value=" parameter : return current state */
@@ -288,10 +297,11 @@ STATIC void mute (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Audio - Mute set");
}
-STATIC void play (struct afb_req request) { /* AFB_SESSION_CHECK */
+static void play (struct afb_req request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request.context;
- const char *value = afb_req_argument (request, "value");
+ audioCtxHandleT *ctx = (audioCtxHandleT*) afb_req_context_get(request);
+ struct afb_arg arg = afb_req_get (request, "value");
+ const char *value = arg.value;
json_object *jresp = json_object_new_object();
/* no "?value=" parameter : return current state */
@@ -320,11 +330,11 @@ STATIC void play (struct afb_req request) { /* AFB_SESSION_CHECK */
afb_req_success (request, jresp, "Audio - Play");
}
-STATIC void ping (struct afb_req request) { /* AFB_SESSION_NONE */
+static void ping (struct afb_req request) { /* AFB_SESSION_NONE */
afb_req_success (request, NULL, "Audio - Ping success");
}
-STATIC const struct AFB_restapi pluginApis[]= {
+static const struct AFB_restapi pluginApis[]= {
{"init" , AFB_SESSION_CHECK, init , "Audio API - init"},
{"volume" , AFB_SESSION_CHECK, volume , "Audio API - volume"},
{"channels", AFB_SESSION_CHECK, channels , "Audio API - channels"},
@@ -334,9 +344,14 @@ STATIC const struct AFB_restapi pluginApis[]= {
{NULL}
};
-STATIC const struct AFB_plugin plug_desc = {
+static const struct AFB_plugin pluginDesc = {
.type = AFB_PLUGIN_JSON,
.info = "Application Framework Binder - Audio plugin",
.prefix = "audio",
.apis = pluginApis
};
+
+const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf)
+{
+ return &pluginDesc;
+}