diff options
author | 2018-05-11 01:18:43 +0200 | |
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committer | 2018-05-11 01:18:43 +0200 | |
commit | 1dd1509a02fee564ff87f80c2f29055d7aad889c (patch) | |
tree | 031a0a9e912fa3f9ab94a268ad6058d774e6f8dd /plugins/alsa/alsa-dmix.c | |
parent | e904b7da51297b0417df31ab79568c3f1243fb64 (diff) |
Initial version with softvol control and DMIX
Diffstat (limited to 'plugins/alsa/alsa-dmix.c')
-rw-r--r-- | plugins/alsa/alsa-dmix.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/plugins/alsa/alsa-dmix.c b/plugins/alsa/alsa-dmix.c deleted file mode 100644 index d527657..0000000 --- a/plugins/alsa/alsa-dmix.c +++ /dev/null @@ -1,74 +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" - -static int uniqueIpcIndex = 1024; - - -PUBLIC snd_pcm_t* AlsaCreateDmix(CtlSourceT *source, const char *dmixName, const char *slaveName) { - - AFB_ApiNotice(source->api, "AlsaCreateDmix: start "); - - int cardIndex= snd_ctl_card_info_get_card(AlsaByPathInfo (source, "/dev/snd/by-id/usb-Focusrite_Scarlett_18i8_USB_10004EE6-00")); - - AFB_ApiNotice(source->api, "AlsaCreateDmix: card index=%d ", cardIndex); - - snd_pcm_t *dmixPcm; - snd_config_t *dmixConfig, *slaveConfig, *elemConfig; - snd_pcm_stream_t streamPcm = SND_PCM_STREAM_PLAYBACK; - int error = 0, streamMode = SND_PCM_NONBLOCK; - - - error += snd_config_top(&dmixConfig); - error += snd_config_imake_integer(&elemConfig, "ipc_key", uniqueIpcIndex++); - error += snd_config_add(dmixConfig, elemConfig); - if (error) goto OnErrorExit; - - error += snd_config_make_compound(&slaveConfig, "slave", 0); - error += snd_config_imake_string(&elemConfig, "pcm", slaveName); - error += snd_config_add(slaveConfig, elemConfig); - if (error) goto OnErrorExit; - - // add leaf into config - error += snd_config_add(dmixConfig, slaveConfig); - if (error) goto OnErrorExit; - - snd_config_update(); - //AlsaDumpConfig (source, snd_config, 1); - AlsaDumpCtlConfig (source, dmixConfig, 1); - - - error = _snd_pcm_dmix_open(&dmixPcm, dmixName, snd_config, dmixConfig, streamPcm , streamMode); - if (error) { - AFB_ApiError(source->api, "AlsaCreateDmix: fail to create DMIX=%s SLAVE=%s", dmixName, slaveName); - goto OnErrorExit; - } - - AlsaDumpPcmInfo(source, dmixPcm, "DmixPCM"); - - AFB_ApiNotice(source->api, "AlsaCreateDmix: done"); - - return dmixPcm; - -OnErrorExit: - AFB_ApiNotice(source->api, "AlsaCreateDmix: OnErrorExit"); - return NULL; -}
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