summaryrefslogtreecommitdiffstats
path: root/plugins/alsa/alsa-plug-multi.c
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/alsa/alsa-plug-multi.c')
-rw-r--r--plugins/alsa/alsa-plug-multi.c106
1 files changed, 0 insertions, 106 deletions
diff --git a/plugins/alsa/alsa-plug-multi.c b/plugins/alsa/alsa-plug-multi.c
deleted file mode 100644
index c28508c..0000000
--- a/plugins/alsa/alsa-plug-multi.c
+++ /dev/null
@@ -1,106 +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(multi);
-
-PUBLIC AlsaPcmInfoT* AlsaCreateMulti(CtlSourceT *source, const char *pcmUid, int open) {
- SoftMixerHandleT *mixerHandle = (SoftMixerHandleT*) source->context;
- snd_config_t *multiConfig, *elemConfig, *slavesConfig, *slaveConfig, *bindingsConfig, *bindingConfig, *pcmConfig;
- int error = 0, channelIdx=0;
- AlsaPcmInfoT *pcmPlug = calloc(1, sizeof (AlsaPcmInfoT));
- pcmPlug->uid = pcmUid;
- pcmPlug->cardid = pcmUid;
-
- assert(mixerHandle);
-
- AlsaPcmInfoT* pcmSlaves=mixerHandle->backend;
- if (!pcmSlaves) {
- AFB_ApiError(source->api, "AlsaCreateMulti: No Sound Card find [should Registry snd_cards first]");
- goto OnErrorExit;
- }
-
- // refresh global alsalib config and create PCM top config
- snd_config_update();
- error += snd_config_top(&multiConfig);
- error += snd_config_set_id (multiConfig, pcmPlug->cardid);
- error += snd_config_imake_string(&elemConfig, "type", "multi");
- error += snd_config_add(multiConfig, elemConfig);
- if (error) goto OnErrorExit;
-
- error += snd_config_make_compound(&slavesConfig, "slaves", 0);
- error += snd_config_make_compound(&bindingsConfig, "bindings", 0);
-
- // loop on sound card to include into multi
- for (int idx = 0; pcmSlaves[idx].uid != NULL; idx++) {
- AlsaPcmInfoT* sndcard=&pcmSlaves[idx];
- AlsaPcmChannelT *channels = sndcard->channels;
-
- for (channelIdx=0; channels[channelIdx].uid != NULL; channelIdx++) {
- char idxS[4]; // 999 channel should be more than enough
- snprintf (idxS, sizeof(idxS), "%d", pcmPlug->ccount++);
- // multi does not support to name channels
- error += snd_config_make_compound(&bindingConfig,idxS, 0);
- error += snd_config_imake_string(&elemConfig, "slave", sndcard->uid);
- error += snd_config_add(bindingConfig, elemConfig);
- error += snd_config_imake_integer(&elemConfig,"channel", channelIdx);
- error += snd_config_add(bindingConfig, elemConfig);
- error += snd_config_add(bindingsConfig, bindingConfig);
- }
-
- error += snd_config_make_compound(&slaveConfig, sndcard->uid, 0);
- error += snd_config_imake_string(&elemConfig, "pcm", sndcard->cardid);
- error += snd_config_add(slaveConfig, elemConfig);
- error += snd_config_imake_integer(&elemConfig, "channels", channelIdx);
- error += snd_config_add(slaveConfig, elemConfig);
- error += snd_config_add(slavesConfig, slaveConfig);
- }
-
- error += snd_config_add(multiConfig, slavesConfig);
- error += snd_config_add(multiConfig, bindingsConfig);
- if (error) goto OnErrorExit;
-
- // update top config to access previous plugin PCM
- snd_config_update();
-
- if (open) error = _snd_pcm_multi_open(&pcmPlug->handle, pcmUid, snd_config, multiConfig, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
- if (error) {
- AFB_ApiError(source->api, "AlsaCreateMulti: fail to create Plug=%s Error=%s", pcmPlug->cardid, snd_strerror(error));
- goto OnErrorExit;
- }
-
- error += snd_config_search(snd_config, "pcm", &pcmConfig);
- error += snd_config_add(pcmConfig, multiConfig);
- if (error) {
- AFB_ApiError(source->api, "AlsaCreateDmix: fail to add configDMIX=%s", pcmPlug->cardid);
- goto OnErrorExit;
- }
-
- // Debug config & pcm
- //AlsaDumpCtlConfig(source, "plug-multi", multiConfig, 1);
- AFB_ApiNotice(source->api, "AlsaCreateMulti: %s done\n", pcmPlug->cardid);
- return pcmPlug;
-
-OnErrorExit:
- AlsaDumpCtlConfig(source, "plug-multi", multiConfig, 1);
- AFB_ApiNotice(source->api, "AlsaCreateMulti: OnErrorExit\n");
- return NULL;
-} \ No newline at end of file