diff options
Diffstat (limited to 'plugins/alsa/alsa-plug-dmix.c')
| -rw-r--r-- | plugins/alsa/alsa-plug-dmix.c | 49 |
1 files changed, 40 insertions, 9 deletions
diff --git a/plugins/alsa/alsa-plug-dmix.c b/plugins/alsa/alsa-plug-dmix.c index a9f6b7e..df525cb 100644 --- a/plugins/alsa/alsa-plug-dmix.c +++ b/plugins/alsa/alsa-plug-dmix.c @@ -31,32 +31,63 @@ PUBLIC AlsaPcmCtlT* AlsaCreateDmix(SoftMixerT *mixer, const char* pcmName, AlsaS AlsaPcmCtlT *pcmPlug= calloc(1,sizeof(AlsaPcmCtlT)); AlsaSndCtlT *sndSlave=pcmSlave->sndcard; pcmPlug->cid.cardid=pcmName; + int error=0; + AFB_ApiInfo(mixer->api, "%s: %s, slave %s, cardid %s\n", __func__, pcmName, pcmSlave->uid, pcmSlave->sndcard->cid.cardid); + error += snd_config_top(&dmixConfig); + if (error) goto OnErrorExit; error += snd_config_set_id (dmixConfig, pcmPlug->cid.cardid); + if (error) goto OnErrorExit; error += snd_config_imake_string(&elemConfig, "type", "dmix"); + if (error) goto OnErrorExit; error += snd_config_add(dmixConfig, elemConfig); + if (error) goto OnErrorExit; error += snd_config_imake_integer(&elemConfig, "ipc_key", uniqueIpcIndex++); + if (error) goto OnErrorExit; error += snd_config_add(dmixConfig, elemConfig); if (error) goto OnErrorExit; error += snd_config_make_compound(&slaveConfig, "slave", 0); + if (error) goto OnErrorExit; error += snd_config_imake_string(&elemConfig, "pcm", sndSlave->cid.cardid); + if (error) goto OnErrorExit; + error += snd_config_add(slaveConfig, elemConfig); + if (error) goto OnErrorExit; + if (sndSlave->params->rate) { - error += snd_config_add(slaveConfig, elemConfig); error += snd_config_imake_integer(&elemConfig, "rate", sndSlave->params->rate); + if (error) goto OnErrorExit; + error += snd_config_add(slaveConfig, elemConfig); + if (error) goto OnErrorExit; + } + + if (sndSlave->params->format) { + error += snd_config_imake_string(&elemConfig, "format", sndSlave->params->formatS); + if (error) goto OnErrorExit; + error += snd_config_add(slaveConfig, elemConfig); + if (error) goto OnErrorExit; } + + /* It is critical to set the right number of channels ... know. + * Trying to set another value later leads to silent failure + * */ + + error += snd_config_imake_integer(&elemConfig, "channels", pcmSlave->ccount); + if (error) goto OnErrorExit; error += snd_config_add(slaveConfig, elemConfig); if (error) goto OnErrorExit; - // add leaf into config + // add slave leaf into config error += snd_config_add(dmixConfig, slaveConfig); if (error) goto OnErrorExit; - + if (open) error = _snd_pcm_dmix_open(&pcmPlug->handle, pcmPlug->cid.cardid, snd_config, dmixConfig, SND_PCM_STREAM_PLAYBACK , SND_PCM_NONBLOCK); if (error) { - AFB_ApiError(mixer->api, "AlsaCreateDmix: fail to create Dmix=%s Slave=%s Error=%s", sndSlave->cid.cardid, sndSlave->cid.cardid, snd_strerror(error)); + AFB_ApiError(mixer->api, + "%s: fail to create Dmix=%s Slave=%s Error=%s", + __func__, sndSlave->cid.cardid, sndSlave->cid.cardid, snd_strerror(error)); goto OnErrorExit; } @@ -64,18 +95,18 @@ PUBLIC AlsaPcmCtlT* AlsaCreateDmix(SoftMixerT *mixer, const char* pcmName, AlsaS error += snd_config_search(snd_config, "pcm", &pcmConfig); error += snd_config_add(pcmConfig, dmixConfig); if (error) { - AFB_ApiError(mixer->api, "AlsaCreateDmix: fail to add configDMIX=%s", pcmPlug->cid.cardid); + AFB_ApiError(mixer->api, "%s: fail to add configDMIX=%s", __func__, pcmPlug->cid.cardid); goto OnErrorExit; } // Debug config & pcm - //AlsaDumpCtlConfig (mixer, "plug-dmix", dmixConfig, 1); - AFB_ApiNotice(mixer->api, "AlsaCreateDmix: %s done\n", pcmPlug->cid.cardid); + AlsaDumpCtlConfig(mixer, "plug-dmix", dmixConfig, 1); + AFB_ApiNotice(mixer->api, "%s: %s done", __func__, pcmPlug->cid.cardid); return pcmPlug; OnErrorExit: AlsaDumpCtlConfig(mixer, "plug-pcm", pcmConfig, 1); AlsaDumpCtlConfig(mixer, "plug-dmix", dmixConfig, 1); - AFB_ApiNotice(mixer->api, "AlsaCreateDmix: OnErrorExit\n"); + AFB_ApiNotice(mixer->api, "%s: FAIL", __func__); return NULL; -}
\ No newline at end of file +} |