*/
#include "audio-api.h"
-#include "audio-alsa.h"
+/* ------ BACKEND FUNCTIONS ------- */
+
+void _backend_init (const char *name, audioCtxHandleT *ctx) {
+
+# ifdef HAVE_PULSE
+ if (_pulse_init (name, ctx) < 0)
+# endif
+ _alsa_init (name, ctx);
+}
+
+void _backend_free (audioCtxHandleT *ctx) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) _pulse_free (ctx); else
+# endif
+ _alsa_free (ctx->idx);
+}
+
+void _backend_play (audioCtxHandleT *ctx) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) _pulse_play (ctx); else
+# endif
+ _alsa_play (ctx->idx);
+}
+
+void _backend_stop (audioCtxHandleT *ctx) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) _pulse_stop (ctx); else
+# endif
+ _alsa_stop (ctx->idx);
+}
+
+int _backend_get_volume (audioCtxHandleT *ctx, unsigned int channel) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) return _pulse_get_volume (ctx, channel); else
+# endif
+ return _alsa_get_volume (ctx->idx, channel);
+}
+
+void _backend_set_volume (audioCtxHandleT *ctx, unsigned int channel, int vol) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) _pulse_set_volume (ctx, channel, vol); else
+# endif
+ _alsa_set_volume (ctx->idx, channel, vol);
+}
+
+void _backend_set_volume_all (audioCtxHandleT *ctx, int vol) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) _pulse_set_volume_all (ctx, vol); else
+# endif
+ _alsa_set_volume_all (ctx->idx, vol);
+}
+
+unsigned char _backend_get_mute (audioCtxHandleT *ctx) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) return _pulse_get_mute (ctx); else
+# endif
+ return _alsa_get_mute (ctx->idx);
+}
+
+void _backend_set_mute (audioCtxHandleT *ctx, unsigned char mute) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) _pulse_set_mute (ctx, mute); else
+# endif
+ _alsa_set_mute (ctx->idx, mute);
+}
+
+void _backend_set_channels (audioCtxHandleT *ctx, unsigned int channels) {
+
+# ifdef HAVE_PULSE
+ if (ctx->audio_dev) return; else
+# endif
+ _alsa_set_channels (ctx->idx, channels);
+}
/* ------ LOCAL HELPER FUNCTIONS --------- */
STATIC audioCtxHandleT* initAudioCtx () {
audioCtxHandleT *ctx;
+ int i;
ctx = malloc (sizeof(audioCtxHandleT));
+ ctx->audio_dev = NULL;
ctx->idx = -1;
- ctx->volume = 25;
+ for (i = 0; i < 8; i++)
+ ctx->volume[i] = 25;
ctx->channels = 2;
ctx->mute = 0;
ctx->is_playing = 0;
STATIC AFB_error releaseAudio (audioCtxHandleT *ctx) {
/* power it off */
- _alsa_free (ctx->idx);
+ _backend_free (ctx);
/* clean client context */
ctx->idx = -1;
}
/* called when client session dies [e.g. client quits for more than 15mns] */
-STATIC json_object* freeAudio (AFB_clientCtx *client) {
-
- releaseAudio (client->ctx);
- free (client->ctx);
-
- return jsonNewMessage (AFB_SUCCESS, "Released radio and client context");
+STATIC void freeAudio (void *context) {
+ free (context);
}
/* ------ PUBLIC PLUGIN FUNCTIONS --------- */
-STATIC json_object* init (AFB_request *request) { /* AFB_SESSION_CREATE */
+STATIC json_object* init (AFB_request *request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx;
json_object *jresp;
int idx;
/* create a private client context */
- ctx = initAudioCtx();
- request->client->ctx = (audioCtxHandleT*)ctx;
-
- _alsa_init("default", ctx);
-
+ if (!request->context)
+ request->context = initAudioCtx();
+
+ _backend_init("default", request->context);
+
jresp = json_object_new_object();
- json_object_object_add (jresp, "token", json_object_new_string (request->client->token));
- return jresp;
+ json_object_object_add (jresp, "info", json_object_new_string ("Audio initialised"));
+ return (jresp);
}
STATIC json_object* volume (AFB_request *request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
+ audioCtxHandleT *ctx = (audioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
json_object *jresp;
- int volume;
+ int volume[8], i;
+ char *volume_i;
char volume_str[256];
+ int len_str = 0;
/* no "?value=" parameter : return current state */
if (!value) {
- ctx->volume = _alsa_get_volume (ctx->idx);
- snprintf (volume_str, sizeof(volume_str), "%d", ctx->volume);
+ for (i = 0; i < 8; i++) {
+ ctx->volume[i] = _backend_get_volume (ctx, i);
+ snprintf (volume_str+len_str, sizeof(volume_str)-len_str, "%d,", ctx->volume[i]);
+ len_str = strlen(volume_str);
+ }
jresp = json_object_new_object();
json_object_object_add (jresp, "volume", json_object_new_string(volume_str));
}
/* "?value=" parameter, set volume */
else {
- volume = atoi (value);
- if (100 < volume < 0) {
+ volume_i = strdup (value);
+ volume_i = strtok (volume_i, ",");
+ volume[0] = atoi (volume_i);
+
+ if (100 < volume[0] < 0) {
+ free (volume_i);
request->errcode = MHD_HTTP_SERVICE_UNAVAILABLE;
return (jsonNewMessage (AFB_FAIL, "Volume must be between 0 and 100"));
}
- ctx->volume = volume;
- _alsa_set_volume (ctx->idx, ctx->volume);
-
- snprintf (volume_str, sizeof(volume_str), "%d", ctx->volume);
+ ctx->volume[0] = volume[0];
+ _backend_set_volume (ctx, 0, ctx->volume[0]);
+ snprintf (volume_str, sizeof(volume_str), "%d,", ctx->volume[0]);
+
+ for (i = 1; i < 8; i++) {
+ volume_i = strtok (NULL, ",");
+ /* if there is only one value, set all channels to this one */
+ if (!volume_i && i == 1)
+ _backend_set_volume_all (ctx, ctx->volume[0]);
+ if (!volume_i || 100 < atoi(volume_i) < 0) {
+ ctx->volume[i] = _backend_get_volume (ctx, i);
+ } else {
+ ctx->volume[i] = atoi(volume_i);
+ _backend_set_volume (ctx, i, ctx->volume[i]);
+ }
+ len_str = strlen(volume_str);
+ snprintf (volume_str+len_str, sizeof(volume_str)-len_str, "%d,", ctx->volume[i]);
+ }
jresp = json_object_new_object();
json_object_object_add (jresp, "volume", json_object_new_string(volume_str));
}
STATIC json_object* channels (AFB_request *request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
+ audioCtxHandleT *ctx = (audioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
json_object *jresp = json_object_new_object();
char channels_str[256];
/* "?value=" parameter, set channels */
else {
ctx->channels = atoi (value);
- _alsa_set_channels (ctx->idx, ctx->channels);
+ _backend_set_channels (ctx, ctx->channels);
snprintf (channels_str, sizeof(channels_str), "%d", ctx->channels);
json_object_object_add (jresp, "channels", json_object_new_string (channels_str));
STATIC json_object* mute (AFB_request *request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
+ audioCtxHandleT *ctx = (audioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
json_object *jresp = json_object_new_object();
/* no "?value=" parameter : return current state */
if (!value) {
- ctx->mute = _alsa_get_mute (ctx->idx);
+ ctx->mute = _backend_get_mute (ctx);
ctx->mute ?
json_object_object_add (jresp, "mute", json_object_new_string ("on"))
: json_object_object_add (jresp, "mute", json_object_new_string ("off"));
/* "?value=" parameter is "1" or "true" */
else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
ctx->mute = 1;
- _alsa_set_mute (ctx->idx, ctx->mute);
+ _backend_set_mute (ctx, ctx->mute);
json_object_object_add (jresp, "mute", json_object_new_string ("on"));
}
/* "?value=" parameter is "0" or "false" */
else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
ctx->mute = 0;
- _alsa_set_mute (ctx->idx, ctx->mute);
+ _backend_set_mute (ctx, ctx->mute);
json_object_object_add (jresp, "mute", json_object_new_string ("off"));
}
STATIC json_object* play (AFB_request *request) { /* AFB_SESSION_CHECK */
- audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
+ audioCtxHandleT *ctx = (audioCtxHandleT*)request->context;
const char *value = getQueryValue (request, "value");
json_object *jresp = json_object_new_object();
/* "?value=" parameter is "1" or "true" */
else if ( atoi(value) == 1 || !strcasecmp(value, "true") ) {
ctx->is_playing = 1;
- _alsa_play (ctx->idx);
+ _backend_play (ctx);
json_object_object_add (jresp, "play", json_object_new_string ("on"));
}
/* "?value=" parameter is "0" or "false" */
else if ( atoi(value) == 0 || !strcasecmp(value, "false") ) {
ctx->is_playing = 0;
- _alsa_stop (ctx->idx);
+ _backend_stop (ctx);
json_object_object_add (jresp, "play", json_object_new_string ("off"));
}
return jresp;
}
-STATIC json_object* refresh (AFB_request *request) { /* AFB_SESSION_RENEW */
- json_object *jresp = json_object_new_object();
- json_object_object_add(jresp, "token", json_object_new_string (request->client->token));
- return jresp;
-}
-
STATIC json_object* ping (AFB_request *request) { /* AFB_SESSION_NONE */
return jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon - Radio API");
}
-
STATIC AFB_restapi pluginApis[]= {
- {"init" , AFB_SESSION_CREATE, (AFB_apiCB)init , "Audio API - init"},
+ {"init" , AFB_SESSION_CHECK, (AFB_apiCB)init , "Audio API - init"},
{"volume" , AFB_SESSION_CHECK, (AFB_apiCB)volume , "Audio API - volume"},
{"channels", AFB_SESSION_CHECK, (AFB_apiCB)channels , "Audio API - channels"},
{"mute" , AFB_SESSION_CHECK, (AFB_apiCB)mute , "Audio API - mute"},
{"play" , AFB_SESSION_CHECK, (AFB_apiCB)play , "Audio API - play"},
- {"refresh" , AFB_SESSION_RENEW, (AFB_apiCB)refresh , "Audio API - refresh"},
{"ping" , AFB_SESSION_NONE, (AFB_apiCB)ping , "Audio API - ping"},
{NULL}
};
-PUBLIC AFB_plugin *audioRegister () {
+PUBLIC AFB_plugin *pluginRegister () {
AFB_plugin *plugin = malloc (sizeof(AFB_plugin));
plugin->type = AFB_PLUGIN_JSON;
plugin->info = "Application Framework Binder - Audio plugin";
plugin->prefix = "audio";
plugin->apis = pluginApis;
- plugin->freeCtxCB = freeAudio;
+ plugin->freeCtxCB = (AFB_freeCtxCB)freeAudio;
return (plugin);
};