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authorManuel Bachmann <manuel.bachmann@iot.bzh>2015-12-22 15:17:37 +0100
committerManuel Bachmann <manuel.bachmann@iot.bzh>2015-12-22 15:17:37 +0100
commit6f2913ab5e366e8f3df12a7df11a85b7b6574e2c (patch)
tree60bb00a0b8fe0dadefbdbeb9c01445b5b645d7f3 /plugins/audio/audio-api.c
parent1b238baa74d36f144581deee5f3a1834d1d445bb (diff)
Audio API: manage multiple-channel volume
You can now set the volume for multiple channels independantly by using the "value=<1>,<2>..." syntax. Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>
Diffstat (limited to 'plugins/audio/audio-api.c')
-rw-r--r--plugins/audio/audio-api.c45
1 files changed, 35 insertions, 10 deletions
diff --git a/plugins/audio/audio-api.c b/plugins/audio/audio-api.c
index 60a5a962..915f8c6e 100644
--- a/plugins/audio/audio-api.c
+++ b/plugins/audio/audio-api.c
@@ -26,10 +26,12 @@
STATIC audioCtxHandleT* initAudioCtx () {
audioCtxHandleT *ctx;
+ int i;
ctx = malloc (sizeof(audioCtxHandleT));
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;
@@ -82,28 +84,51 @@ STATIC json_object* volume (AFB_request *request) { /* AFB_SESSION_CHECK */
audioCtxHandleT *ctx = (audioCtxHandleT*)request->client->ctx;
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] = _alsa_get_volume (ctx->idx, 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];
+ _alsa_set_volume (ctx->idx, 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)
+ _alsa_set_volume_all (ctx->idx, ctx->volume[0]);
+ if (!volume_i || 100 < atoi(volume_i) < 0) {
+ ctx->volume[i] = _alsa_get_volume (ctx->idx, i);
+ } else {
+ ctx->volume[i] = atoi(volume_i);
+ _alsa_set_volume (ctx->idx, 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));
}