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authorFulup Ar Foll <fulup@iot.bzh>2018-06-04 00:33:34 +0200
committerFulup Ar Foll <fulup@iot.bzh>2018-06-04 00:33:34 +0200
commitbbaf42c6b02ca5d1bdceb7e215807abdbf8cd61d (patch)
tree48368647ddfa11483d72a9a577cfa0a11f575d93 /plugins/alsa/alsa-api-backend.c
parent2af80583a462fa0f71d0250bca03db5a4cf22fe8 (diff)
Move to Dynamic Mixer API (work in progress)
Diffstat (limited to 'plugins/alsa/alsa-api-backend.c')
-rw-r--r--plugins/alsa/alsa-api-backend.c220
1 files changed, 0 insertions, 220 deletions
diff --git a/plugins/alsa/alsa-api-backend.c b/plugins/alsa/alsa-api-backend.c
deleted file mode 100644
index 85d9566..0000000
--- a/plugins/alsa/alsa-api-backend.c
+++ /dev/null
@@ -1,220 +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"
-
-// Fulup need to be cleanup with new controller version
-extern Lua2cWrapperT Lua2cWrap;
-
-
-
-STATIC int ProcessOneChannel(CtlSourceT *source, const char* uid, json_object *channelJ, AlsaPcmChannelT *channel) {
- const char*channelUid;
-
- int error = wrap_json_unpack(channelJ, "{ss,si !}", "uid", &channelUid, "port", &channel->port);
- if (error) goto OnErrorExit;
-
- channel->uid = strdup(channelUid);
- return 0;
-
-OnErrorExit:
- AFB_ApiError(source->api, "ProcessOneChannel: sndcard=%s channel: missing (uid||port) json=%s", uid, json_object_get_string(channelJ));
- return -1;
-}
-
-PUBLIC int ProcessSndParams(CtlSourceT *source, const char* uid, json_object *paramsJ, AlsaPcmHwInfoT *params) {
- const char *format = NULL, *access = NULL;
-
- // some default values
- params->rate = ALSA_DEFAULT_PCM_RATE;
- params->channels = 2;
- params->sampleSize = 0;
-
- int error = wrap_json_unpack(paramsJ, "{s?i,s?i, s?s, s?s !}", "rate", &params->rate, "channels", &params->channels, "format", &format, "access", &access);
- if (error) goto OnErrorExit;
-
- if (!format) params->format = SND_PCM_FORMAT_S16_LE;
- else if (!strcasecmp(format, "S16_LE")) params->format = SND_PCM_FORMAT_S16_LE;
- else if (!strcasecmp(format, "S16_BE")) params->format = SND_PCM_FORMAT_S16_BE;
- else if (!strcasecmp(format, "U16_LE")) params->format = SND_PCM_FORMAT_U16_LE;
- else if (!strcasecmp(format, "U16_BE")) params->format = SND_PCM_FORMAT_U16_BE;
- else if (!strcasecmp(format, "S32_LE")) params->format = SND_PCM_FORMAT_S32_LE;
- else if (!strcasecmp(format, "S32_BE")) params->format = SND_PCM_FORMAT_S32_BE;
- else if (!strcasecmp(format, "U32_LE")) params->format = SND_PCM_FORMAT_U32_LE;
- else if (!strcasecmp(format, "U32_BE")) params->format = SND_PCM_FORMAT_U32_BE;
- else if (!strcasecmp(format, "S24_LE")) params->format = SND_PCM_FORMAT_S24_LE;
- else if (!strcasecmp(format, "S24_BE")) params->format = SND_PCM_FORMAT_S24_BE;
- else if (!strcasecmp(format, "U24_LE")) params->format = SND_PCM_FORMAT_U24_LE;
- else if (!strcasecmp(format, "U24_BE")) params->format = SND_PCM_FORMAT_U24_BE;
- else if (!strcasecmp(format, "S8")) params->format = SND_PCM_FORMAT_S8;
- else if (!strcasecmp(format, "U8")) params->format = SND_PCM_FORMAT_U8;
- else if (!strcasecmp(format, "FLOAT_LE")) params->format = SND_PCM_FORMAT_FLOAT_LE;
- else if (!strcasecmp(format, "FLOAT_BE")) params->format = SND_PCM_FORMAT_FLOAT_LE;
- else {
- AFB_ApiNotice(source->api, "ProcessSndParams:%s(params) unsupported format 'S16_LE|S32_L|...' format=%s", uid, format);
- goto OnErrorExit;
- }
-
- if (!access) params->access = SND_PCM_ACCESS_RW_INTERLEAVED;
- else if (!strcasecmp(access, "MMAP_INTERLEAVED")) params->access = SND_PCM_ACCESS_MMAP_INTERLEAVED;
- else if (!strcasecmp(access, "MMAP_NONINTERLEAVED")) params->access = SND_PCM_ACCESS_MMAP_NONINTERLEAVED;
- else if (!strcasecmp(access, "MMAP_COMPLEX")) params->access = SND_PCM_ACCESS_MMAP_COMPLEX;
- else if (!strcasecmp(access, "RW_INTERLEAVED")) params->access = SND_PCM_ACCESS_RW_INTERLEAVED;
- else if (!strcasecmp(access, "RW_NONINTERLEAVED")) params->access = SND_PCM_ACCESS_RW_NONINTERLEAVED;
-
- else {
- AFB_ApiNotice(source->api, "ProcessSndParams:%s(params) unsupported access 'RW_INTERLEAVED|MMAP_INTERLEAVED|MMAP_COMPLEX' access=%s", uid, access);
- goto OnErrorExit;
- }
-
- return 0;
-
-OnErrorExit:
- return -1;
-}
-
-STATIC int ProcessOneSndCard(CtlSourceT *source, json_object *sndcardJ, AlsaPcmInfoT *snd) {
- json_object *sinkJ = NULL, *paramsJ = NULL;
- int error;
-
- error = wrap_json_unpack(sndcardJ, "{ss,s?s,s?s,s?i,s?i,s?i,so,s?o !}"
- , "uid", &snd->uid
- , "devpath", &snd->devpath
- , "cardid", &snd->cardid
- , "cardidx", &snd->cardidx
- , "device", &snd->device
- , "subdev", &snd->subdev
- , "sink", &sinkJ
- , "params", &paramsJ
- );
- if (error || !snd->uid || !sinkJ || (!snd->devpath && !snd->cardid && snd->cardidx)) {
- AFB_ApiNotice(source->api, "ProcessOneSndCard missing 'uid|path|cardid|cardidx|channels|device|subdev|numid|params' devin=%s", json_object_get_string(sndcardJ));
- goto OnErrorExit;
- }
-
- if (paramsJ) {
- error = ProcessSndParams(source, snd->uid, paramsJ, &snd->params);
- if (error) {
- AFB_ApiError(source->api, "ProcessOneSndCard: sndcard=%s invalid params=%s", snd->uid, json_object_get_string(paramsJ));
- goto OnErrorExit;
- }
- } else {
- snd->params.rate = ALSA_DEFAULT_PCM_RATE;
- snd->params.access = SND_PCM_ACCESS_RW_INTERLEAVED;
- snd->params.format = SND_PCM_FORMAT_S16_LE;
- snd->params.channels = 2;
- }
-
- // check snd card is accessible
- error = AlsaByPathDevid(source, snd);
- if (error) {
- AFB_ApiError(source->api, "ProcessOneSndCard: sndcard=%s not found config=%s", snd->uid, json_object_get_string(sndcardJ));
- goto OnErrorExit;
- }
-
- // protect each sndcard with a dmix plugin to enable audio-stream mixing
- char dmixUid[100];
- snprintf(dmixUid, sizeof (dmixUid), "Dmix-%s", snd->uid);
- AlsaPcmInfoT *dmixPcm = AlsaCreateDmix(source, dmixUid, snd, 0);
- if (!dmixPcm) {
- AFB_ApiError(source->api, "ProcessOneSndCard: sndcard=%s fail to attach dmix plugin", snd->uid);
- goto OnErrorExit;
- } else {
- snd->cardid = dmixPcm->cardid;
- }
-
- switch (json_object_get_type(sinkJ)) {
- case json_type_object:
- snd->ccount = 1;
- snd->channels = calloc(snd->ccount + 1, sizeof (AlsaPcmChannelT));
- error = ProcessOneChannel(source, snd->uid, sndcardJ, &snd->channels[0]);
- if (error) goto OnErrorExit;
- break;
- case json_type_array:
- snd->ccount = (int) json_object_array_length(sinkJ);
- snd->channels = calloc(snd->ccount + 1, sizeof (AlsaPcmChannelT));
- for (int idx = 0; idx < snd->ccount; idx++) {
- json_object *channelJ = json_object_array_get_idx(sinkJ, idx);
- error = ProcessOneChannel(source, snd->uid, channelJ, &snd->channels[idx]);
- if (error) goto OnErrorExit;
- }
- break;
- default:
- AFB_ApiError(source->api, "ProcessOneSndCard:%s invalid sink=%s", snd->uid, json_object_get_string(sinkJ));
- goto OnErrorExit;
- }
-
- return 0;
-
-OnErrorExit:
- return -1;
-}
-
-PUBLIC int SndBackend(CtlSourceT *source, json_object *argsJ) {
- SoftMixerHandleT *mixerHandle = (SoftMixerHandleT*) source->context;
- int error;
- size_t count;
-
- assert(mixerHandle);
-
- if (mixerHandle->backend) {
- AFB_ApiError(source->api, "SndBackend: mixer=%s backend already declared %s", mixerHandle->uid, json_object_get_string(argsJ));
- goto OnErrorExit;
- }
-
- switch (json_object_get_type(argsJ)) {
- case json_type_object:
- count = 1;
- mixerHandle->backend = calloc(count + 1, sizeof (AlsaPcmInfoT));
- error = ProcessOneSndCard(source, argsJ, &mixerHandle->backend[0]);
- if (error) goto OnErrorExit;
- break;
- case json_type_array:
- count = json_object_array_length(argsJ);
- mixerHandle->backend = calloc(count + 1, sizeof (AlsaPcmInfoT));
- for (int idx = 0; idx < count; idx++) {
- json_object *sndcardJ = json_object_array_get_idx(argsJ, idx);
- error = ProcessOneSndCard(source, sndcardJ, &mixerHandle->backend[idx]);
- if (error) goto OnErrorExit;
- }
- break;
- default:
- AFB_ApiError(source->api, "SndBackend: mixer=%s invalid argsJ= %s", mixerHandle->uid, json_object_get_string(argsJ));
- goto OnErrorExit;
- }
-
-
- if (count == 1) {
- // only one sound card we multi would be useless
- mixerHandle->multiPcm = &mixerHandle->backend[0];
-
- } else {
-
- // instantiate an alsa multi plugin
- mixerHandle->multiPcm = AlsaCreateMulti(source, "PcmMulti", 0);
- if (!mixerHandle->multiPcm) goto OnErrorExit;
-
- }
- return 0;
-
-OnErrorExit:
- AFB_ApiNotice(source->api, "SndBackend mixer=%s fail to process: %s", mixerHandle->uid, json_object_get_string(argsJ));
- return -1;
-}