diff options
| -rw-r--r-- | plugins/alsa/alsa-api-streams.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/plugins/alsa/alsa-api-streams.c b/plugins/alsa/alsa-api-streams.c index 80609bc..6b743e2 100644 --- a/plugins/alsa/alsa-api-streams.c +++ b/plugins/alsa/alsa-api-streams.c @@ -43,7 +43,7 @@ typedef struct { STATIC void StreamApiVerbCB(AFB_ReqT request) { apiHandleT *handle = (apiHandleT*) afb_req_get_vcbdata(request); int error, verbose = 0, doClose = 0, doToggle = 0, doMute = -1, doInfo = 0; - long mute, volume, curvol; + long mute, volume, prevvol; json_object *volumeJ = NULL, *rampJ = NULL, *argsJ = afb_req_json(request); json_object *responseJ = NULL; SoftMixerT *mixer = handle->mixer; @@ -99,31 +99,30 @@ STATIC void StreamApiVerbCB(AFB_ReqT request) { } if (volumeJ) { - long newvol; + long voltoset, newvol; const char*volString; - error = AlsaCtlNumidGetLong(mixer, handle->sndcard, handle->stream->volume, &curvol); + error = AlsaCtlNumidGetLong(mixer, handle->sndcard, handle->stream->volume, &prevvol); if (error) { AFB_ReqFailF(request, "invalid-numid", "Fail to get volume numid=%d value=%ld", handle->stream->volume, volume); goto OnErrorExit; } - switch (json_object_get_type(volumeJ)) { case json_type_string: volString = json_object_get_string(volumeJ); switch (volString[0]) { case '+': - sscanf(&volString[1], "%ld", &newvol); - newvol = curvol + newvol; + sscanf(&volString[1], "%ld", &voltoset); + voltoset = prevvol + voltoset; break; case '-': - sscanf(&volString[1], "%ld", &newvol); - newvol = curvol - newvol; + sscanf(&volString[1], "%ld", &voltoset); + voltoset = prevvol - voltoset; break; default: - error = sscanf(&volString[0], "%ld", &newvol); + error = sscanf(&volString[0], "%ld", &voltoset); if (error != 1) { AFB_ReqFailF(request, "not-integer", "relative volume should start by '+|-' value=%s", json_object_get_string(volumeJ)); goto OnErrorExit; @@ -131,7 +130,7 @@ STATIC void StreamApiVerbCB(AFB_ReqT request) { } break; case json_type_int: - newvol = json_object_get_int(volumeJ); + voltoset = json_object_get_int(volumeJ); break; default: AFB_ReqFailF(request, "not-integer", "volume should be string or integer value=%s", json_object_get_string(volumeJ)); @@ -139,22 +138,28 @@ STATIC void StreamApiVerbCB(AFB_ReqT request) { } - error = AlsaCtlNumidSetLong(mixer, handle->sndcard, handle->stream->volume, newvol); + error = AlsaCtlNumidSetLong(mixer, handle->sndcard, handle->stream->volume, voltoset); + if (error) { + AFB_ReqFailF(request, "StreamApiVerbCB", "Fail to set stream volume numid=%d value=%ld", handle->stream->volume, voltoset); + goto OnErrorExit; + } + + error = AlsaCtlNumidGetLong(mixer, handle->sndcard, handle->stream->volume, &newvol); if (error) { - AFB_ReqFailF(request, "StreamApiVerbCB", "Fail to set stream volume numid=%d value=%ld", handle->stream->volume, newvol); + AFB_ReqFailF(request, "invalid-numid", "Fail to get volume numid=%d value=%ld", handle->stream->volume, volume); goto OnErrorExit; } if (verbose) { json_object_object_add(responseJ, "volnew", json_object_new_int((int) newvol)); - json_object_object_add(responseJ, "volold", json_object_new_int((int) curvol)); + json_object_object_add(responseJ, "volold", json_object_new_int((int) prevvol)); } } if (rampJ) { if (verbose) { - error = AlsaCtlNumidGetLong(mixer, handle->sndcard, handle->stream->volume, &curvol); - json_object_object_add(responseJ, "volold", json_object_new_int((int) curvol)); + error = AlsaCtlNumidGetLong(mixer, handle->sndcard, handle->stream->volume, &prevvol); + json_object_object_add(responseJ, "volold", json_object_new_int((int) prevvol)); } error += AlsaVolRampApply(mixer, handle->sndcard, handle->stream, rampJ); |