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-rw-r--r--plugins/alsa/alsa-api-pcm.c12
-rw-r--r--plugins/alsa/alsa-core-pcm.c25
2 files changed, 24 insertions, 13 deletions
diff --git a/plugins/alsa/alsa-api-pcm.c b/plugins/alsa/alsa-api-pcm.c
index c91b054..834d2fb 100644
--- a/plugins/alsa/alsa-api-pcm.c
+++ b/plugins/alsa/alsa-api-pcm.c
@@ -384,8 +384,8 @@ PUBLIC void ApiPcmDelParams(SoftMixerT* mixer, AlsaPcmHwInfoT* params) {
}
PUBLIC void ApiPcmParamsShow(SoftMixerT * mixer, const char *msg, const AlsaPcmHwInfoT * params) {
- AFB_API_INFO(mixer->api, "%s PARAMS: rate=%d, format=%d, formatString=%s",
- msg, params->rate, params->format, params->formatString);
+ AFB_API_INFO(mixer->api, "%s PARAMS: rate=%d, format=%d, formatString=%s, channels %d",
+ msg, params->rate, params->format, params->formatString, params->channels);
}
@@ -408,10 +408,11 @@ PUBLIC AlsaPcmHwInfoT * ApiPcmSetParams(SoftMixerT *mixer, const char *uid, json
if (paramsJ) {
int error =
- wrap_json_unpack(paramsJ, "{s?i,s?s,s?s !}",
+ wrap_json_unpack(paramsJ, "{s?i,s?s,s?s,s?i !}",
"rate", &params->rate,
"format", &format,
- "access", &access);
+ "access", &access,
+ "channels", &params->channels);
if (error) {
AFB_API_ERROR(mixer->api, "%s: sndcard=%s invalid params=%s",
__func__, uid, json_object_get_string(paramsJ));
@@ -419,6 +420,9 @@ PUBLIC AlsaPcmHwInfoT * ApiPcmSetParams(SoftMixerT *mixer, const char *uid, json
}
}
+ AFB_API_NOTICE(mixer->api, "%s:%s rate set to %d", __func__, uid, params->rate);
+ AFB_API_NOTICE(mixer->api, "%s:%s channels set to %d", __func__, uid, params->channels);
+
// default format
if (!format) {
params->format = SND_PCM_FORMAT_S16_LE;
diff --git a/plugins/alsa/alsa-core-pcm.c b/plugins/alsa/alsa-core-pcm.c
index e03c320..f058cb9 100644
--- a/plugins/alsa/alsa-core-pcm.c
+++ b/plugins/alsa/alsa-core-pcm.c
@@ -136,7 +136,22 @@ PUBLIC int AlsaPcmConf(SoftMixerT *mixer, AlsaPcmCtlT *pcm, int mode) {
}
}
- if (opts->rate > 0 ) {
+ unsigned int * channels = &opts->channels;
+
+ if (*channels) {
+ AFB_API_DEBUG(mixer->api, "%s: Attempt to set %d channels", __func__, *channels);
+ if ((error = snd_pcm_hw_params_set_channels(pcm->handle, pxmHwParams, *channels)) < 0) {
+ AFB_API_ERROR(mixer->api,
+ "%s (%s): mixer=%s Set_Channels=%d Fail error=%s",
+ __func__, card, mixer->uid, *channels, snd_strerror(error));
+
+ AlsaDumpPcmParams(mixer, pxmHwParams);
+ goto OnErrorExit;
+ };
+ AFB_API_DEBUG(mixer->api, "%s: CHANNELS SET TO %d", __func__, *channels);
+ }
+
+ if (opts->rate > 0 ) {
AFB_API_DEBUG(mixer->api,"%s (%s): set rate to %d", __func__, card, opts->rate);
unsigned int pcmRate = opts->rate;
@@ -158,14 +173,6 @@ PUBLIC int AlsaPcmConf(SoftMixerT *mixer, AlsaPcmCtlT *pcm, int mode) {
}
}
- if (opts->channels) {
- if ((error = snd_pcm_hw_params_set_channels(pcm->handle, pxmHwParams, opts->channels)) < 0) {
- AFB_API_ERROR(mixer->api,
- "%s (%s): mixer=%s Set_Channels=%d Fail error=%s",
- __func__, card, mixer->uid, opts->channels, snd_strerror(error));
- goto OnErrorExit;
- };
- }
/* The following code, that
* 1) sets period time/size; buffer time/size hardware params