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Diffstat (limited to 'plugins/alsa/alsa-api-streams.c')
-rw-r--r--plugins/alsa/alsa-api-streams.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/plugins/alsa/alsa-api-streams.c b/plugins/alsa/alsa-api-streams.c
index 43485b4..92e00c0 100644
--- a/plugins/alsa/alsa-api-streams.c
+++ b/plugins/alsa/alsa-api-streams.c
@@ -284,6 +284,14 @@ STATIC int CreateOneStream(SoftMixerT *mixer, const char * uid, AlsaStreamAudioT
}
}
+ stream->optional = captureCard->optional;
+
+ if (!captureCard->ctl && captureCard->optional) {
+ stream->noHwDetected = true;
+ AFB_API_INFO(mixer->api,"%s: no detected capture device", __func__);
+ goto done;
+ }
+
// check PCM is valid and get its full name
AlsaPcmCtlT *capturePcm = AlsaByPathOpenPcmCtl(mixer, captureDev, SND_PCM_STREAM_CAPTURE);
if (!capturePcm) {
@@ -532,7 +540,7 @@ STATIC int CreateOneStream(SoftMixerT *mixer, const char * uid, AlsaStreamAudioT
AFB_API_NOTICE(mixer->api,
"%s: mixer=%s stream=%s CREATED",
__func__, mixer->uid, stream->uid);
-
+done:
return 0;
OnErrorExit:
@@ -668,6 +676,9 @@ static void streamDestroy(SoftMixerT * mixer, void * arg) {
int error = 0;
AFB_API_DEBUG(mixer->api, "%s... %s", __func__, stream->uid);
+ if (stream->noHwDetected)
+ goto freemem;
+
error = afb_api_del_verb(mixer->api, stream->uid, (void**)stream->verbApiHandle);
if (error) {
AFB_API_DEBUG(mixer->api, "%s: failed to remove verb %s", __func__, stream->uid);
@@ -675,6 +686,7 @@ static void streamDestroy(SoftMixerT * mixer, void * arg) {
AlsaPcmCopyStop(mixer, stream->copy);
+freemem:
if (stream->softvolConfig) {
AFB_API_DEBUG(mixer->api, "%s... %s delete softvol config", __func__, stream->uid);
snd_config_delete(stream->softvolConfig);
@@ -744,6 +756,8 @@ PUBLIC int ApiStreamAttach(SoftMixerT *mixer, afb_req_t request, const char * ui
afb_req_fail_f(request, "bad-stream", "mixer=%s invalid stream= %s", mixer->uid, json_object_get_string(argsJ));
goto fail;
}
+ if (newStream->noHwDetected)
+ AlsaMixerTransactionObjectDelete(mixer->transaction, newStream, true);
break;
@@ -766,7 +780,10 @@ PUBLIC int ApiStreamAttach(SoftMixerT *mixer, afb_req_t request, const char * ui
"%s: mixer=%s invalid stream= %s",
__func__, mixer->uid, json_object_get_string(streamJ));
goto fail;
- }
+ }
+ if (newStream->noHwDetected)
+ AlsaMixerTransactionObjectDelete(mixer->transaction, newStream, true);
+
}
break;
default: