diff options
Diffstat (limited to 'plugins/alsa/alsa-plug-vol.c')
-rw-r--r-- | plugins/alsa/alsa-plug-vol.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/plugins/alsa/alsa-plug-vol.c b/plugins/alsa/alsa-plug-vol.c deleted file mode 100644 index 6de4ddf..0000000 --- a/plugins/alsa/alsa-plug-vol.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright (C) 2018 "IoT.bzh" - * Author Fulup Ar Foll <fulup@iot.bzh> - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -#define _GNU_SOURCE // needed for vasprintf - -#include "alsa-softmixer.h" - -ALSA_PLUG_PROTO(softvol); - -PUBLIC AlsaPcmInfoT* AlsaCreateVol(CtlSourceT *source, const char *pcmName, AlsaPcmInfoT* ctlTarget, AlsaPcmInfoT* pcmSlave) { - - snd_config_t *volConfig, *elemConfig, *slaveConfig, *controlConfig,*pcmConfig; - int error = 0; - AlsaPcmInfoT *pcmPlug= malloc(sizeof(AlsaPcmInfoT)); - pcmPlug->devid= pcmName; - - // refresh global alsalib config and create PCM top config - snd_config_update(); - error += snd_config_top(&volConfig); - - // add slave leaf - error += snd_config_make_compound(&slaveConfig, "slave", 0); - error += snd_config_imake_string(&elemConfig, "pcm", pcmSlave->devid); - error += snd_config_add(slaveConfig, elemConfig); - error += snd_config_add(volConfig, slaveConfig); - if (error) goto OnErrorExit; - - // add control leaf - error += snd_config_make_compound(&controlConfig, "control", 0); - error += snd_config_imake_string(&elemConfig, "name", pcmName); - error += snd_config_add(controlConfig, elemConfig); - error += snd_config_imake_integer(&elemConfig, "card", ctlTarget->cardid); - error += snd_config_add(controlConfig, elemConfig); - error += snd_config_add(volConfig, controlConfig); - if (error) goto OnErrorExit; - - // update top config to access previous plugin PCM - snd_config_update(); - - error = _snd_pcm_softvol_open(&pcmPlug->handle, pcmName, snd_config, volConfig, SND_PCM_STREAM_PLAYBACK , SND_PCM_NONBLOCK); - if (error) { - AFB_ApiError(source->api, "AlsaCreateVol: fail to create Plug=%s Slave=%s", pcmPlug->devid, pcmSlave->devid); - goto OnErrorExit; - } - - error += snd_config_search(snd_config, "pcm", &pcmConfig); - error += snd_config_add(pcmConfig, volConfig); - if (!error) { - AFB_ApiError(source->api, "AlsaCreateDmix: fail to add configDMIX=%s", pcmPlug->devid); - goto OnErrorExit; - } - - // Debug config & pcm - AlsaDumpCtlConfig (source, volConfig, 1); - //AlsaDumpPcmInfo(source, pcmPlug->handle, "pcmPlug->handle"); - AFB_ApiNotice(source->api, "AlsaCreateVol: %s done", pcmPlug->devid); - return pcmPlug; - -OnErrorExit: - AFB_ApiNotice(source->api, "AlsaCreateVol: OnErrorExit"); - return NULL; -}
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