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-rw-r--r--plugins/alsa/alsa-api-pcm.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/plugins/alsa/alsa-api-pcm.c b/plugins/alsa/alsa-api-pcm.c
index d67433e..f8a2414 100644
--- a/plugins/alsa/alsa-api-pcm.c
+++ b/plugins/alsa/alsa-api-pcm.c
@@ -72,14 +72,15 @@ STATIC int PcmAttachOneCtl(SoftMixerT *mixer, AlsaSndCtlT *sndcard, json_object
long value = ALSA_DEFAULT_PCM_VOLUME;
const char *name;
-
int error = wrap_json_unpack(argsJ, "{s?i,s?s,s?i !}"
, "numid", &numid
, "name", &name
, "value", &value
);
if (error || (!numid && !name)) {
- AFB_ApiError(mixer->api, "PcmAttachOneCtl: cardid=%s channel: missing (numid|name|value) error=%s json=%s", sndcard->cid.name, wrap_json_get_error_string(error), json_object_get_string(argsJ));
+ AFB_ApiError(mixer->api,
+ "%s: cardid=%s channel: missing (numid|name|value) error=%s json=%s",
+ __func__, sndcard->cid.name, wrap_json_get_error_string(error), json_object_get_string(argsJ));
goto OnErrorExit;
}
@@ -131,7 +132,8 @@ STATIC int PcmAttachOneCtl(SoftMixerT *mixer, AlsaSndCtlT *sndcard, json_object
break;
default:
- AFB_ApiError(mixer->api, "PcmAttachOneCtl: sndard=%s numid=%d name='%s' invalid/unsupported type=%d", sndcard->cid.cardid, control->numid, control->name, snd_ctl_elem_info_get_type(elemInfo));
+ AFB_ApiError(mixer->api, "PcmAttachOneCtl: sndard=%s numid=%d name='%s' invalid/unsupported type=%d",
+ sndcard->cid.cardid, control->numid, control->name, snd_ctl_elem_info_get_type(elemInfo));
goto OnErrorExit;
}
@@ -315,6 +317,10 @@ STATIC void ApiPcmVerbCB(AFB_ReqT request) {
volType = RVOL_ABS;
newvol = json_object_get_int(volumeJ);
break;
+ case json_type_null:
+ volType=RVOL_ADD;
+ newvol=0;
+ break;
default:
AFB_ReqFailF(request, "not-integer", "volume should be string or integer value=%s", json_object_get_string(volumeJ));
goto OnErrorExit;
@@ -351,7 +357,12 @@ PUBLIC AlsaPcmHwInfoT * ApiPcmSetParams(SoftMixerT *mixer, const char *uid, json
params->sampleSize = 0;
if (paramsJ) {
- int error = wrap_json_unpack(paramsJ, "{s?i,s?i, s?s, s?s !}", "rate", &params->rate, "channels", &params->channels, "format", &format, "access", &access);
+ int error =
+ wrap_json_unpack(paramsJ, "{s?i,s?i, s?s, s?s !}",
+ "rate", &params->rate,
+ "channels",&params->channels,
+ "format", &format,
+ "access", &access);
if (error) {
AFB_ApiError(mixer->api, "ApiPcmSetParams: sndcard=%s invalid params=%s", uid, json_object_get_string(paramsJ));
goto OnErrorExit;
@@ -541,6 +552,9 @@ PUBLIC AlsaSndPcmT * ApiPcmAttachOne(SoftMixerT *mixer, const char *uid, snd_pcm
AFB_ApiError(mixer->api, "ApiPcmAttachOne mixer=%s verb=%s fail to Register Master control ", mixer->uid, apiVerb);
goto OnErrorExit;
}
+ } else {
+ /* no controls -> put dummy verb */
+ pcm->verb = "none";
}
// free useless resource and secure others