diff options
| author |   Thierry Bultel <thierry.bultel@iot.bzh> | 2019-02-13 14:40:03 +0100 |
|---|---|---|
| committer | Thierry Bultel <thierry.bultel@iot.bzh> | 2019-02-18 16:55:49 +0100 |
| commit | 419c8f390869ff2bede1ef76b8a19f3a4c1c13b7 (patch) | |
| tree | 45e09498d5ee02ac8088f79b5851544fd3cbfeeb | |
| parent | a9408d36c6ac72bc0f04822795a72c7beb21c0f3 (diff) | |
plug route: added a calculation for the number of physical channels
Adds (mainly for debug purpose) a calculation on the actual number
of physical channels that are used by the created ttable
Change-Id: I5717046003851ebe297a494dcdd97c4d67e34d0b
Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
| -rw-r--r-- | plugins/alsa/alsa-plug-route.c | 21 | ||||
| -rw-r--r-- | plugins/alsa/alsa-softmixer.h | 1 |
2 files changed, 17 insertions, 5 deletions
diff --git a/plugins/alsa/alsa-plug-route.c b/plugins/alsa/alsa-plug-route.c index 72dee68..ce17b86 100644 --- a/plugins/alsa/alsa-plug-route.c +++ b/plugins/alsa/alsa-plug-route.c @@ -167,11 +167,15 @@ PUBLIC AlsaPcmCtlT* AlsaCreateRoute(SoftMixerT *mixer, AlsaSndZoneT *zone, int o snd_config_t **cports = alloca(zone->nbSinks * sizeof (void*)); memset(cports, 0, zone->nbSinks * sizeof (void*)); - int zcount = 0; + int portCount = 0; // We create 1st ttable to retrieve sndcard slave and channel count (void)snd_config_make_compound(&tableConfig, "ttable", 0); + // used physical ports + bool targets[16]; + memset(targets, 0, sizeof(targets)); + cds_list_for_each_entry(channel, &zone->sinks.list, list) { AFB_API_DEBUG(mixer->api, "%s: zone->sink channel %s ", __func__, channel->uid); @@ -192,12 +196,17 @@ PUBLIC AlsaPcmCtlT* AlsaCreateRoute(SoftMixerT *mixer, AlsaSndZoneT *zone, int o int target = channelCardPort.port; int port = channel->port; + if (!targets[target]) { + zone->physicalChannelCount++; + targets[target] = true; + } + double volume = 1.0; // currently only support 100% // if channel entry does not exist into ttable create it now if (!cports[port]) { - char channelS[4]; // 999 channel should be more than enough + char channelS[4]; // 999 channels should be more than enough snprintf(channelS, sizeof (channelS), "%d", port); error = snd_config_make_compound(&cports[port], channelS, 0); @@ -213,7 +222,7 @@ PUBLIC AlsaPcmCtlT* AlsaCreateRoute(SoftMixerT *mixer, AlsaSndZoneT *zone, int o } } - zcount++; + portCount++; // ttable require target port as a table and volume as a value char targetS[4]; @@ -239,8 +248,10 @@ PUBLIC AlsaPcmCtlT* AlsaCreateRoute(SoftMixerT *mixer, AlsaSndZoneT *zone, int o } // update zone with route channel count and sndcard params - pcmRoute->ccount = zcount; - zone->ccount=zcount; + pcmRoute->ccount = portCount; + zone->ccount=portCount; + + AFB_API_DEBUG(mixer->api, "%s: ZONE has %d ports and %d hardware channels", __func__, zone->ccount, zone->physicalChannelCount); // refresh global alsalib config and create PCM top config snd_config_update(); diff --git a/plugins/alsa/alsa-softmixer.h b/plugins/alsa/alsa-softmixer.h index 384d1b0..c72f3a8 100644 --- a/plugins/alsa/alsa-softmixer.h +++ b/plugins/alsa/alsa-softmixer.h @@ -228,6 +228,7 @@ typedef struct { unsigned int nbSinks; AlsaPcmChannelT sinks; int ccount; + int physicalChannelCount; AlsaPcmHwInfoT *params; struct cds_list_head list; |