diff options
Diffstat (limited to 'plugins/alsa/alsa-capture.c')
| -rw-r--r-- | plugins/alsa/alsa-capture.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/plugins/alsa/alsa-capture.c b/plugins/alsa/alsa-capture.c deleted file mode 100644 index 992f731..0000000 --- a/plugins/alsa/alsa-capture.c +++ /dev/null @@ -1,80 +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" - -PUBLIC snd_pcm_t* AlsaCreateCapture(CtlSourceT *source, const char* sndDevPath, unsigned int deviceIdx, unsigned int subpcmNamex, unsigned int channelCount) { - char pcmName[32]; - int error; - snd_pcm_t *pcmHandle; - snd_pcm_hw_params_t *pcmParams; - - AFB_ApiNotice(source->api, "AlsaCreateCapture: start "); - - // get card info from /dev/snd/xxx - snd_ctl_card_info_t *cardInfo = AlsaByPathInfo(source, sndDevPath); - - if (!cardInfo) { - AFB_ApiError(source->api,"AlsaCreateCapture: fail to find sndcard by path= %s", sndDevPath); - goto OnErrorExit; - } - - // extract useful info from cardInfo handle - int cardIdx = snd_ctl_card_info_get_card(cardInfo); - const char *cardName = snd_ctl_card_info_get_name(cardInfo); - - - // build a valid name and open sndcard - snprintf(pcmName, sizeof (pcmName), "hw:%i,%i,%i", cardIdx, deviceIdx, subpcmNamex); - error= snd_pcm_open(&pcmHandle, pcmName, SND_PCM_STREAM_CAPTURE, SND_PCM_ASYNC); - if (error) { - AFB_ApiError(source->api,"AlsaCreateCapture: fail openpcm (hw:%d -> %s pcmNamex=%i subpcmNamex=%d): %s" - , cardIdx, cardName, deviceIdx, subpcmNamex, snd_strerror(error)); - goto OnErrorExit; - } - - // set default to param object - snd_pcm_hw_params_alloca(&pcmParams); - snd_pcm_hw_params_any(pcmHandle, pcmParams); - - - error= snd_pcm_hw_params_set_channels (pcmHandle, pcmParams, channelCount); - if (error) { - AFB_ApiError(source->api,"lsaCreateCapture: fail set channel count (hw:%d -> %s pcmNamex=%i subpcmNamex=%d channelCount=%d): %s" - , cardIdx, cardName, deviceIdx, subpcmNamex, channelCount, snd_strerror(error)); - goto OnErrorExit; - } - - // push selected params to PCM - error= snd_pcm_hw_params(pcmHandle, pcmParams); - if (error) { - AFB_ApiError(source->api,"lsaCreateCapture: fail pushing params (hw:%d -> %s pcmNamex=%i subpcmNamex=%d): %s" - , cardIdx, cardName, deviceIdx, subpcmNamex, snd_strerror(error)); - goto OnErrorExit; - } - - AFB_ApiNotice(source->api, "AlsaCreateCapture: done"); - free (cardInfo); - return NULL; - -OnErrorExit: - AFB_ApiNotice(source->api, "AlsaCreateCapture: OnErrorExit"); - return NULL; -}
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