mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-10-29 05:40:25 -04:00
Cleaning and fixes
This commit is contained in:
Abramo Bagnara
parent
2ea3fd4bb3
commit
ebae7ebeb2
1 changed files with 191 additions and 198 deletions
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@ -25,28 +25,25 @@
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#include <string.h>
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#include <errno.h>
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#include <math.h>
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#include <sys/uio.h>
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#include "pcm_local.h"
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typedef struct {
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snd_pcm_t *handle;
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unsigned int channels_total;
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snd_pcm_t *pcm;
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unsigned int channels_count;
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int close_slave;
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} snd_pcm_multi_slave_t;
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typedef struct {
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unsigned int client_channel;
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unsigned int slave;
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int slave_idx;
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unsigned int slave_channel;
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} snd_pcm_multi_bind_t;
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} snd_pcm_multi_channel_t;
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typedef struct {
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size_t slaves_count;
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snd_pcm_multi_slave_t *slaves;
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size_t bindings_count;
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snd_pcm_multi_bind_t *bindings;
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size_t channels_count;
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int xfer_mode, mmap_shape;
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snd_pcm_multi_channel_t *channels;
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int xfer_mode;
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} snd_pcm_multi_t;
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static int snd_pcm_multi_close(snd_pcm_t *pcm)
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@ -58,32 +55,30 @@ static int snd_pcm_multi_close(snd_pcm_t *pcm)
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int err;
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snd_pcm_multi_slave_t *slave = &multi->slaves[i];
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if (slave->close_slave) {
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err = snd_pcm_close(slave->handle);
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err = snd_pcm_close(slave->pcm);
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if (err < 0)
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ret = err;
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} else
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snd_pcm_unlink(slave->handle);
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snd_pcm_unlink(slave->pcm);
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}
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free(multi->slaves);
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free(multi->bindings);
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free(multi->channels);
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free(multi);
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return ret;
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}
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static int snd_pcm_multi_nonblock(snd_pcm_t *pcm, int nonblock)
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static int snd_pcm_multi_nonblock(snd_pcm_t *pcm ATTRIBUTE_UNUSED, int nonblock ATTRIBUTE_UNUSED)
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{
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snd_pcm_multi_t *multi = pcm->private;
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snd_pcm_t *handle = multi->slaves[0].handle;
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return snd_pcm_nonblock(handle, nonblock);
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return 0;
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}
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static int snd_pcm_multi_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
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{
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snd_pcm_multi_t *multi = pcm->private;
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int err;
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snd_pcm_t *handle_0 = multi->slaves[0].handle;
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snd_pcm_t *slave_0 = multi->slaves[0].pcm;
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/* FIXME */
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err = snd_pcm_info(handle_0, info);
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err = snd_pcm_info(slave_0, info);
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if (err < 0)
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return err;
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return 0;
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@ -94,23 +89,31 @@ static int snd_pcm_multi_params_info(snd_pcm_t *pcm, snd_pcm_params_info_t *info
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snd_pcm_multi_t *multi = pcm->private;
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unsigned int i;
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int err;
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snd_pcm_t *handle_0 = multi->slaves[0].handle;
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unsigned int old_mask = info->req_mask;
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info->req_mask &= ~(SND_PCM_PARAMS_CHANNELS |
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SND_PCM_PARAMS_MMAP_SHAPE |
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SND_PCM_PARAMS_XFER_MODE);
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err = snd_pcm_params_info(handle_0, info);
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snd_pcm_t *slave_0 = multi->slaves[0].pcm;
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unsigned int req_mask = info->req_mask;
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unsigned int channels = info->req.format.channels;
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if ((req_mask & SND_PCM_PARAMS_CHANNELS) &&
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channels != multi->channels_count) {
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info->req.fail_mask |= SND_PCM_PARAMS_CHANNELS;
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info->req.fail_reason = SND_PCM_PARAMS_FAIL_INVAL;
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return -EINVAL;
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}
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info->req_mask |= SND_PCM_PARAMS_CHANNELS;
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info->req.format.channels = multi->slaves[0].channels_count;
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err = snd_pcm_params_info(slave_0, info);
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info->req_mask = req_mask;
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info->req.format.channels = channels;
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if (err < 0)
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return err;
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info->min_channels = multi->channels_count;
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info->max_channels = multi->channels_count;
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for (i = 1; i < multi->slaves_count; ++i) {
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snd_pcm_t *handle_i = multi->slaves[i].handle;
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snd_pcm_t *slave_i = multi->slaves[i].pcm;
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snd_pcm_params_info_t info_i;
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info_i = *info;
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info_i.req_mask |= SND_PCM_PARAMS_CHANNELS;
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info_i.req.format.channels = multi->slaves[i].channels_total;
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err = snd_pcm_params_info(handle_i, &info_i);
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info_i.req.format.channels = multi->slaves[i].channels_count;
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err = snd_pcm_params_info(slave_i, &info_i);
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if (err < 0)
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return err;
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info->formats &= info_i.formats;
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@ -131,7 +134,14 @@ static int snd_pcm_multi_params_info(snd_pcm_t *pcm, snd_pcm_params_info_t *info
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info->max_fragments = info_i.max_fragments;
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info->flags &= info_i.flags;
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}
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info->req_mask = old_mask;
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if (info->flags & SND_PCM_INFO_INTERLEAVED) {
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if (multi->slaves_count > 0) {
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info->flags &= ~SND_PCM_INFO_INTERLEAVED;
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info->flags |= SND_PCM_INFO_COMPLEX;
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}
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} else if (!(info->flags & SND_PCM_INFO_NONINTERLEAVED))
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info->flags |= SND_PCM_INFO_COMPLEX;
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info->req_mask = req_mask;
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return 0;
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}
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@ -140,42 +150,42 @@ static int snd_pcm_multi_params(snd_pcm_t *pcm, snd_pcm_params_t *params)
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snd_pcm_multi_t *multi = pcm->private;
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unsigned int i;
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snd_pcm_params_t p;
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if (params->format.channels != multi->channels_count)
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int err = 0;
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if (params->format.channels != multi->channels_count) {
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params->fail_mask = SND_PCM_PARAMS_CHANNELS;
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params->fail_reason = SND_PCM_PARAMS_FAIL_INVAL;
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return -EINVAL;
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multi->xfer_mode = params->xfer_mode;
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multi->mmap_shape = params->mmap_shape;
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}
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p = *params;
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for (i = 0; i < multi->slaves_count; ++i) {
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int err;
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snd_pcm_t *handle = multi->slaves[i].handle;
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if (handle->mmap_data) {
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err = snd_pcm_munmap_data(handle);
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snd_pcm_t *slave = multi->slaves[i].pcm;
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if (slave->mmap_data) {
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err = snd_pcm_munmap_data(slave);
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if (err < 0)
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return err;
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}
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p.xfer_mode = SND_PCM_XFER_UNSPECIFIED;
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p.mmap_shape = SND_PCM_MMAP_UNSPECIFIED;
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p.format.channels = multi->slaves[i].channels_total;
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p.format.channels = multi->slaves[i].channels_count;
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#if 1
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p.xrun_max = ~0;
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p.xrun_mode = SND_PCM_XRUN_NONE;
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#endif
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err = snd_pcm_params(handle, &p);
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err = snd_pcm_params(slave, &p);
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if (err < 0) {
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params->fail_mask = p.fail_mask;
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params->fail_reason = p.fail_reason;
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return err;
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break;
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}
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}
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for (i = 0; i < multi->slaves_count; ++i) {
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snd_pcm_t *handle = multi->slaves[i].handle;
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int err = snd_pcm_mmap_data(handle, NULL);
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if (err < 0)
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return err;
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if (pcm->stream == SND_PCM_STREAM_PLAYBACK)
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snd_pcm_areas_silence(handle->mmap_areas, 0, handle->setup.format.channels,
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handle->setup.buffer_size, handle->setup.format.sfmt);
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snd_pcm_t *slave = multi->slaves[i].pcm;
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snd_pcm_mmap_data(slave, NULL);
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if (pcm->stream == SND_PCM_STREAM_PLAYBACK &&
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err == 0)
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snd_pcm_areas_silence(slave->mmap_areas, 0, slave->setup.format.channels,
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slave->setup.buffer_size, slave->setup.format.sfmt);
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}
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return 0;
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if (err == 0)
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multi->xfer_mode = params->xfer_mode;
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return err;
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}
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static int snd_pcm_multi_setup(snd_pcm_t *pcm, snd_pcm_setup_t *setup)
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@ -183,14 +193,12 @@ static int snd_pcm_multi_setup(snd_pcm_t *pcm, snd_pcm_setup_t *setup)
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snd_pcm_multi_t *multi = pcm->private;
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unsigned int i;
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int err;
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size_t frames_alloc;
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err = snd_pcm_setup(multi->slaves[0].handle, setup);
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err = snd_pcm_setup(multi->slaves[0].pcm, setup);
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if (err < 0)
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return err;
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frames_alloc = multi->slaves[0].handle->setup.frag_size;
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for (i = 1; i < multi->slaves_count; ++i) {
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snd_pcm_setup_t s;
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snd_pcm_t *sh = multi->slaves[i].handle;
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snd_pcm_t *sh = multi->slaves[i].pcm;
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err = snd_pcm_setup(sh, &s);
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if (err < 0)
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return err;
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@ -207,123 +215,107 @@ static int snd_pcm_multi_setup(snd_pcm_t *pcm, snd_pcm_setup_t *setup)
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setup->xfer_mode = SND_PCM_XFER_NONINTERLEAVED;
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else
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setup->xfer_mode = multi->xfer_mode;
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if (multi->mmap_shape != SND_PCM_MMAP_UNSPECIFIED &&
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multi->mmap_shape != setup->mmap_shape)
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return -EINVAL;
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return 0;
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}
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static int snd_pcm_multi_status(snd_pcm_t *pcm, snd_pcm_status_t *status)
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{
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snd_pcm_multi_t *multi = pcm->private;
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snd_pcm_t *handle = multi->slaves[0].handle;
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return snd_pcm_status(handle, status);
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snd_pcm_t *slave = multi->slaves[0].pcm;
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return snd_pcm_status(slave, status);
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}
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static int snd_pcm_multi_state(snd_pcm_t *pcm)
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{
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snd_pcm_multi_t *multi = pcm->private;
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snd_pcm_t *handle = multi->slaves[0].handle;
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return snd_pcm_state(handle);
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snd_pcm_t *slave = multi->slaves[0].pcm;
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return snd_pcm_state(slave);
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}
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static int snd_pcm_multi_delay(snd_pcm_t *pcm, ssize_t *delayp)
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{
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snd_pcm_multi_t *multi = pcm->private;
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snd_pcm_t *handle = multi->slaves[0].handle;
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return snd_pcm_delay(handle, delayp);
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snd_pcm_t *slave = multi->slaves[0].pcm;
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return snd_pcm_delay(slave, delayp);
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}
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static ssize_t snd_pcm_multi_avail_update(snd_pcm_t *pcm)
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{
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snd_pcm_multi_t *multi = pcm->private;
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snd_pcm_t *handle = multi->slaves[0].handle;
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return snd_pcm_avail_update(handle);
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snd_pcm_t *slave = multi->slaves[0].pcm;
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return snd_pcm_avail_update(slave);
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}
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static int snd_pcm_multi_prepare(snd_pcm_t *pcm)
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{
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snd_pcm_multi_t *multi = pcm->private;
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return snd_pcm_prepare(multi->slaves[0].handle);
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return snd_pcm_prepare(multi->slaves[0].pcm);
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}
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static int snd_pcm_multi_start(snd_pcm_t *pcm)
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{
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snd_pcm_multi_t *multi = pcm->private;
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return snd_pcm_start(multi->slaves[0].handle);
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return snd_pcm_start(multi->slaves[0].pcm);
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}
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static int snd_pcm_multi_stop(snd_pcm_t *pcm)
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static int snd_pcm_multi_drop(snd_pcm_t *pcm)
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{
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snd_pcm_multi_t *multi = pcm->private;
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return snd_pcm_stop(multi->slaves[0].handle);
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return snd_pcm_drop(multi->slaves[0].pcm);
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}
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static int snd_pcm_multi_drain(snd_pcm_t *pcm)
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{
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snd_pcm_multi_t *multi = pcm->private;
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return snd_pcm_drain(multi->slaves[0].handle);
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return snd_pcm_drain(multi->slaves[0].pcm);
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}
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static int snd_pcm_multi_pause(snd_pcm_t *pcm, int enable)
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{
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snd_pcm_multi_t *multi = pcm->private;
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return snd_pcm_pause(multi->slaves[0].handle, enable);
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return snd_pcm_pause(multi->slaves[0].pcm, enable);
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}
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static int snd_pcm_multi_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info)
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{
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int err;
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snd_pcm_multi_t *multi = pcm->private;
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unsigned int channel = info->channel;
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unsigned int i;
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for (i = 0; i < multi->bindings_count; ++i) {
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if (multi->bindings[i].client_channel == channel) {
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info->channel = multi->bindings[i].slave_channel;
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err = snd_pcm_channel_info(multi->slaves[multi->bindings[i].slave].handle, info);
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snd_pcm_multi_channel_t *c = &multi->channels[channel];
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int err;
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if (c->slave_idx < 0)
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return -ENXIO;
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info->channel = c->slave_channel;
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err = snd_pcm_channel_info(multi->slaves[c->slave_idx].pcm, info);
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info->channel = channel;
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return err;
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}
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}
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info->channel = channel;
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return -EINVAL;
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}
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static int snd_pcm_multi_channel_params(snd_pcm_t *pcm, snd_pcm_channel_params_t *params)
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{
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int err;
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snd_pcm_multi_t *multi = pcm->private;
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unsigned int channel = params->channel;
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unsigned int i;
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for (i = 0; i < multi->bindings_count; ++i) {
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if (multi->bindings[i].client_channel == channel) {
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params->channel = multi->bindings[i].slave_channel;
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err = snd_pcm_channel_params(multi->slaves[multi->bindings[i].slave].handle, params);
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snd_pcm_multi_channel_t *c = &multi->channels[channel];
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int err;
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if (c->slave_idx < 0)
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return -ENXIO;
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params->channel = c->slave_channel;
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err = snd_pcm_channel_params(multi->slaves[c->slave_idx].pcm, params);
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params->channel = channel;
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return err;
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}
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}
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params->channel = channel;
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return -EINVAL;
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}
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static int snd_pcm_multi_channel_setup(snd_pcm_t *pcm, snd_pcm_channel_setup_t *setup)
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{
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int err;
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snd_pcm_multi_t *multi = pcm->private;
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unsigned int channel = setup->channel;
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unsigned int i;
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for (i = 0; i < multi->bindings_count; ++i) {
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if (multi->bindings[i].client_channel == channel) {
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setup->channel = multi->bindings[i].slave_channel;
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err = snd_pcm_channel_setup(multi->slaves[multi->bindings[i].slave].handle, setup);
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snd_pcm_multi_channel_t *c = &multi->channels[channel];
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int err;
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if (c->slave_idx < 0)
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return -ENXIO;
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setup->channel = c->slave_channel;
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err = snd_pcm_channel_setup(multi->slaves[c->slave_idx].pcm, setup);
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setup->channel = channel;
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return err;
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}
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}
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memset(setup, 0, sizeof(*setup));
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setup->channel = channel;
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return 0;
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}
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static ssize_t snd_pcm_multi_rewind(snd_pcm_t *pcm, size_t frames)
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@ -333,8 +325,8 @@ static ssize_t snd_pcm_multi_rewind(snd_pcm_t *pcm, size_t frames)
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size_t pos[multi->slaves_count];
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memset(pos, 0, sizeof(pos));
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for (i = 0; i < multi->slaves_count; ++i) {
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snd_pcm_t *handle_i = multi->slaves[i].handle;
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ssize_t f = snd_pcm_rewind(handle_i, frames);
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snd_pcm_t *slave_i = multi->slaves[i].pcm;
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ssize_t f = snd_pcm_rewind(slave_i, frames);
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if (f < 0)
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return f;
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pos[i] = f;
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@ -342,10 +334,10 @@ static ssize_t snd_pcm_multi_rewind(snd_pcm_t *pcm, size_t frames)
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}
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/* Realign the pointers */
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for (i = 0; i < multi->slaves_count; ++i) {
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snd_pcm_t *handle_i = multi->slaves[i].handle;
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snd_pcm_t *slave_i = multi->slaves[i].pcm;
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size_t f = pos[i] - frames;
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if (f > 0)
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snd_pcm_mmap_appl_forward(handle_i, f);
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snd_pcm_mmap_appl_forward(slave_i, f);
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}
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return frames;
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}
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@ -353,14 +345,14 @@ static ssize_t snd_pcm_multi_rewind(snd_pcm_t *pcm, size_t frames)
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static int snd_pcm_multi_mmap_status(snd_pcm_t *pcm)
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{
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snd_pcm_multi_t *multi = pcm->private;
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pcm->mmap_status = multi->slaves[0].handle->mmap_status;
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pcm->mmap_status = multi->slaves[0].pcm->mmap_status;
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return 0;
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}
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static int snd_pcm_multi_mmap_control(snd_pcm_t *pcm)
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{
|
||||
snd_pcm_multi_t *multi = pcm->private;
|
||||
pcm->mmap_control = multi->slaves[0].handle->mmap_control;
|
||||
pcm->mmap_control = multi->slaves[0].pcm->mmap_control;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -369,15 +361,15 @@ static int snd_pcm_multi_mmap_data(snd_pcm_t *pcm)
|
|||
snd_pcm_multi_t *multi = pcm->private;
|
||||
unsigned int i;
|
||||
for (i = 0; i < multi->slaves_count; ++i) {
|
||||
snd_pcm_t *handle = multi->slaves[i].handle;
|
||||
int err = snd_pcm_mmap_data(handle, 0);
|
||||
snd_pcm_t *slave = multi->slaves[i].pcm;
|
||||
int err = snd_pcm_mmap_data(slave, 0);
|
||||
snd_pcm_setup_t *setup;
|
||||
if (err < 0)
|
||||
return err;
|
||||
setup = &handle->setup;
|
||||
setup = &slave->setup;
|
||||
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
|
||||
snd_pcm_channel_area_t areas[setup->format.channels];
|
||||
err = snd_pcm_mmap_get_areas(handle, areas);
|
||||
err = snd_pcm_mmap_get_areas(slave, areas);
|
||||
if (err < 0)
|
||||
return err;
|
||||
err = snd_pcm_areas_silence(areas, 0, setup->format.channels, setup->buffer_size, setup->format.sfmt);
|
||||
|
|
@ -385,7 +377,7 @@ static int snd_pcm_multi_mmap_data(snd_pcm_t *pcm)
|
|||
return err;
|
||||
}
|
||||
}
|
||||
pcm->mmap_data = multi->slaves[0].handle->mmap_data;
|
||||
pcm->mmap_data = multi->slaves[0].pcm->mmap_data;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -405,8 +397,8 @@ static int snd_pcm_multi_munmap_data(snd_pcm_t *pcm)
|
|||
unsigned int i;
|
||||
int ret = 0;
|
||||
for (i = 0; i < multi->slaves_count; ++i) {
|
||||
snd_pcm_t *handle = multi->slaves[i].handle;
|
||||
int err = snd_pcm_munmap_data(handle);
|
||||
snd_pcm_t *slave = multi->slaves[i].pcm;
|
||||
int err = snd_pcm_munmap_data(slave);
|
||||
if (err < 0)
|
||||
ret = err;
|
||||
}
|
||||
|
|
@ -419,8 +411,8 @@ static ssize_t snd_pcm_multi_mmap_forward(snd_pcm_t *pcm, size_t size)
|
|||
unsigned int i;
|
||||
|
||||
for (i = 0; i < multi->slaves_count; ++i) {
|
||||
snd_pcm_t *handle = multi->slaves[i].handle;
|
||||
ssize_t frames = snd_pcm_mmap_forward(handle, size);
|
||||
snd_pcm_t *slave = multi->slaves[i].pcm;
|
||||
ssize_t frames = snd_pcm_mmap_forward(slave, size);
|
||||
if (frames < 0)
|
||||
return frames;
|
||||
if (i == 0) {
|
||||
|
|
@ -440,15 +432,17 @@ static int snd_pcm_multi_channels_mask(snd_pcm_t *pcm, bitset_t *cmask)
|
|||
bitset_t *cmasks[multi->slaves_count];
|
||||
int err;
|
||||
for (i = 0; i < multi->slaves_count; ++i)
|
||||
cmasks[i] = bitset_alloc(multi->slaves[i].channels_total);
|
||||
for (i = 0; i < multi->bindings_count; ++i) {
|
||||
snd_pcm_multi_bind_t *b = &multi->bindings[i];
|
||||
if (bitset_get(cmask, b->client_channel))
|
||||
bitset_set(cmasks[b->slave], b->slave_channel);
|
||||
cmasks[i] = bitset_alloc(multi->slaves[i].channels_count);
|
||||
for (i = 0; i < multi->channels_count; ++i) {
|
||||
snd_pcm_multi_channel_t *b = &multi->channels[i];
|
||||
if (b->slave_idx < 0)
|
||||
continue;
|
||||
if (bitset_get(cmask, i))
|
||||
bitset_set(cmasks[b->slave_idx], b->slave_channel);
|
||||
}
|
||||
for (i = 0; i < multi->slaves_count; ++i) {
|
||||
snd_pcm_t *handle = multi->slaves[i].handle;
|
||||
err = snd_pcm_channels_mask(handle, cmasks[i]);
|
||||
snd_pcm_t *slave = multi->slaves[i].pcm;
|
||||
err = snd_pcm_channels_mask(slave, cmasks[i]);
|
||||
if (err < 0) {
|
||||
for (i = 0; i <= multi->slaves_count; ++i)
|
||||
free(cmasks[i]);
|
||||
|
|
@ -456,10 +450,12 @@ static int snd_pcm_multi_channels_mask(snd_pcm_t *pcm, bitset_t *cmask)
|
|||
}
|
||||
}
|
||||
bitset_zero(cmask, pcm->setup.format.channels);
|
||||
for (i = 0; i < multi->bindings_count; ++i) {
|
||||
snd_pcm_multi_bind_t *b = &multi->bindings[i];
|
||||
if (bitset_get(cmasks[b->slave], b->slave_channel))
|
||||
bitset_set(cmask, b->client_channel);
|
||||
for (i = 0; i < multi->channels_count; ++i) {
|
||||
snd_pcm_multi_channel_t *b = &multi->channels[i];
|
||||
if (b->slave_idx < 0)
|
||||
continue;
|
||||
if (bitset_get(cmasks[b->slave_idx], b->slave_channel))
|
||||
bitset_set(cmask, i);
|
||||
}
|
||||
for (i = 0; i < multi->slaves_count; ++i)
|
||||
free(cmasks[i]);
|
||||
|
|
@ -469,8 +465,8 @@ static int snd_pcm_multi_channels_mask(snd_pcm_t *pcm, bitset_t *cmask)
|
|||
int snd_pcm_multi_poll_descriptor(snd_pcm_t *pcm)
|
||||
{
|
||||
snd_pcm_multi_t *multi = pcm->private;
|
||||
snd_pcm_t *handle = multi->slaves[0].handle;
|
||||
return snd_pcm_poll_descriptor(handle);
|
||||
snd_pcm_t *slave = multi->slaves[0].pcm;
|
||||
return snd_pcm_poll_descriptor(slave);
|
||||
}
|
||||
|
||||
static void snd_pcm_multi_dump(snd_pcm_t *pcm, FILE *fp)
|
||||
|
|
@ -484,14 +480,15 @@ static void snd_pcm_multi_dump(snd_pcm_t *pcm, FILE *fp)
|
|||
}
|
||||
for (k = 0; k < multi->slaves_count; ++k) {
|
||||
fprintf(fp, "\nSlave #%d: ", k);
|
||||
snd_pcm_dump(multi->slaves[k].handle, fp);
|
||||
snd_pcm_dump(multi->slaves[k].pcm, fp);
|
||||
}
|
||||
fprintf(fp, "\nBindings:\n");
|
||||
for (k = 0; k < multi->bindings_count; ++k) {
|
||||
fprintf(fp, "\nChannel bindings:\n");
|
||||
for (k = 0; k < multi->channels_count; ++k) {
|
||||
snd_pcm_multi_channel_t *c = &multi->channels[k];
|
||||
if (c->slave_idx < 0)
|
||||
continue;
|
||||
fprintf(fp, "Channel #%d: slave %d[%d]\n",
|
||||
multi->bindings[k].client_channel,
|
||||
multi->bindings[k].slave,
|
||||
multi->bindings[k].slave_channel);
|
||||
k, c->slave_idx, c->slave_channel);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -520,7 +517,7 @@ struct snd_pcm_fast_ops snd_pcm_multi_fast_ops = {
|
|||
delay: snd_pcm_multi_delay,
|
||||
prepare: snd_pcm_multi_prepare,
|
||||
start: snd_pcm_multi_start,
|
||||
stop: snd_pcm_multi_stop,
|
||||
drop: snd_pcm_multi_drop,
|
||||
drain: snd_pcm_multi_drain,
|
||||
pause: snd_pcm_multi_pause,
|
||||
writei: snd_pcm_mmap_writei,
|
||||
|
|
@ -536,22 +533,20 @@ struct snd_pcm_fast_ops snd_pcm_multi_fast_ops = {
|
|||
|
||||
int snd_pcm_multi_create(snd_pcm_t **handlep, size_t slaves_count,
|
||||
snd_pcm_t **slaves_handle, size_t *schannels_count,
|
||||
size_t bindings_count, unsigned int *bindings_cchannel,
|
||||
unsigned int *bindings_slave, unsigned int *bindings_schannel,
|
||||
size_t channels_count,
|
||||
int *sidxs, unsigned int *schannels,
|
||||
int close_slaves)
|
||||
{
|
||||
snd_pcm_t *handle;
|
||||
snd_pcm_multi_t *multi;
|
||||
size_t channels = 0;
|
||||
unsigned int i;
|
||||
int err;
|
||||
int stream;
|
||||
char client_map[32] = { 0 };
|
||||
char slave_map[32][32] = { { 0 } };
|
||||
|
||||
assert(handlep);
|
||||
assert(slaves_count > 0 && slaves_handle && schannels_count);
|
||||
assert(bindings_count > 0 && bindings_slave && bindings_cchannel && bindings_schannel);
|
||||
assert(channels_count > 0 && sidxs && schannels);
|
||||
|
||||
multi = calloc(1, sizeof(snd_pcm_multi_t));
|
||||
if (!multi) {
|
||||
|
|
@ -562,32 +557,29 @@ int snd_pcm_multi_create(snd_pcm_t **handlep, size_t slaves_count,
|
|||
|
||||
multi->slaves_count = slaves_count;
|
||||
multi->slaves = calloc(slaves_count, sizeof(*multi->slaves));
|
||||
multi->bindings_count = bindings_count;
|
||||
multi->bindings = calloc(bindings_count, sizeof(*multi->bindings));
|
||||
multi->channels_count = channels_count;
|
||||
multi->channels = calloc(channels_count, sizeof(*multi->channels));
|
||||
for (i = 0; i < slaves_count; ++i) {
|
||||
snd_pcm_multi_slave_t *slave = &multi->slaves[i];
|
||||
assert(slaves_handle[i]->stream == stream);
|
||||
slave->handle = slaves_handle[i];
|
||||
slave->channels_total = schannels_count[i];
|
||||
slave->pcm = slaves_handle[i];
|
||||
slave->channels_count = schannels_count[i];
|
||||
slave->close_slave = close_slaves;
|
||||
if (i != 0)
|
||||
snd_pcm_link(slaves_handle[i-1], slaves_handle[i]);
|
||||
}
|
||||
for (i = 0; i < bindings_count; ++i) {
|
||||
snd_pcm_multi_bind_t *bind = &multi->bindings[i];
|
||||
assert(bindings_slave[i] < slaves_count);
|
||||
assert(bindings_schannel[i] < schannels_count[bindings_slave[i]]);
|
||||
bind->client_channel = bindings_cchannel[i];
|
||||
bind->slave = bindings_slave[i];
|
||||
bind->slave_channel = bindings_schannel[i];
|
||||
assert(!slave_map[bindings_slave[i]][bindings_schannel[i]]);
|
||||
slave_map[bindings_slave[i]][bindings_schannel[i]] = 1;
|
||||
assert(!client_map[bindings_cchannel[i]]);
|
||||
client_map[bindings_cchannel[i]] = 1;
|
||||
if (bindings_cchannel[i] >= channels)
|
||||
channels = bindings_cchannel[i] + 1;
|
||||
for (i = 0; i < channels_count; ++i) {
|
||||
snd_pcm_multi_channel_t *bind = &multi->channels[i];
|
||||
assert(sidxs[i] < (int)slaves_count);
|
||||
assert(schannels[i] < schannels_count[sidxs[i]]);
|
||||
bind->slave_idx = sidxs[i];
|
||||
bind->slave_channel = schannels[i];
|
||||
if (sidxs[i] < 0)
|
||||
continue;
|
||||
assert(!slave_map[sidxs[i]][schannels[i]]);
|
||||
slave_map[sidxs[i]][schannels[i]] = 1;
|
||||
}
|
||||
multi->channels_count = channels;
|
||||
multi->channels_count = channels_count;
|
||||
|
||||
handle = calloc(1, sizeof(snd_pcm_t));
|
||||
if (!handle) {
|
||||
|
|
@ -596,7 +588,7 @@ int snd_pcm_multi_create(snd_pcm_t **handlep, size_t slaves_count,
|
|||
}
|
||||
handle->type = SND_PCM_TYPE_MULTI;
|
||||
handle->stream = stream;
|
||||
handle->mode = multi->slaves[0].handle->mode;
|
||||
handle->mode = multi->slaves[0].pcm->mode;
|
||||
handle->ops = &snd_pcm_multi_ops;
|
||||
handle->op_arg = handle;
|
||||
handle->fast_ops = &snd_pcm_multi_fast_ops;
|
||||
|
|
@ -623,11 +615,10 @@ int _snd_pcm_multi_open(snd_pcm_t **pcmp, char *name, snd_config_t *conf,
|
|||
char **slaves_name = NULL;
|
||||
snd_pcm_t **slaves_pcm = NULL;
|
||||
size_t *slaves_channels = NULL;
|
||||
unsigned int *bindings_cchannel = NULL;
|
||||
unsigned int *bindings_slave = NULL;
|
||||
unsigned int *bindings_schannel = NULL;
|
||||
unsigned int *channels_sidx = NULL;
|
||||
unsigned int *channels_schannel = NULL;
|
||||
size_t slaves_count = 0;
|
||||
size_t bindings_count = 0;
|
||||
size_t channels_count = 0;
|
||||
snd_config_foreach(i, conf) {
|
||||
snd_config_t *n = snd_config_entry(i);
|
||||
if (strcmp(n->id, "comment") == 0)
|
||||
|
|
@ -656,27 +647,38 @@ int _snd_pcm_multi_open(snd_pcm_t **pcmp, char *name, snd_config_t *conf,
|
|||
++slaves_count;
|
||||
}
|
||||
snd_config_foreach(i, binding) {
|
||||
++bindings_count;
|
||||
int cchannel = -1;
|
||||
char *p;
|
||||
snd_config_t *m = snd_config_entry(i);
|
||||
errno = 0;
|
||||
cchannel = strtol(m->id, &p, 10);
|
||||
if (errno || *p || cchannel < 0)
|
||||
return -EINVAL;
|
||||
if ((unsigned)cchannel > channels_count)
|
||||
channels_count = cchannel + 1;
|
||||
}
|
||||
if (channels_count == 0)
|
||||
return -EINVAL;
|
||||
slaves_id = calloc(slaves_count, sizeof(*slaves_id));
|
||||
slaves_name = calloc(slaves_count, sizeof(*slaves_name));
|
||||
slaves_pcm = calloc(slaves_count, sizeof(*slaves_pcm));
|
||||
slaves_channels = calloc(slaves_count, sizeof(*slaves_channels));
|
||||
bindings_cchannel = calloc(bindings_count, sizeof(*bindings_cchannel));
|
||||
bindings_slave = calloc(bindings_count, sizeof(*bindings_slave));
|
||||
bindings_schannel = calloc(bindings_count, sizeof(*bindings_schannel));
|
||||
channels_sidx = calloc(channels_count, sizeof(*channels_sidx));
|
||||
channels_schannel = calloc(channels_count, sizeof(*channels_schannel));
|
||||
idx = 0;
|
||||
for (idx = 0; idx < channels_count; ++idx)
|
||||
channels_sidx[idx] = -1;
|
||||
snd_config_foreach(i, slave) {
|
||||
snd_config_t *m = snd_config_entry(i);
|
||||
char *pcm = NULL;
|
||||
char *name = NULL;
|
||||
long channels = -1;
|
||||
slaves_id[idx] = snd_config_id(m);
|
||||
snd_config_foreach(j, m) {
|
||||
snd_config_t *n = snd_config_entry(j);
|
||||
if (strcmp(n->id, "comment") == 0)
|
||||
continue;
|
||||
if (strcmp(n->id, "pcm") == 0) {
|
||||
err = snd_config_string_get(n, &pcm);
|
||||
if (strcmp(n->id, "name") == 0) {
|
||||
err = snd_config_string_get(n, &name);
|
||||
if (err < 0)
|
||||
goto _free;
|
||||
continue;
|
||||
|
|
@ -690,33 +692,28 @@ int _snd_pcm_multi_open(snd_pcm_t **pcmp, char *name, snd_config_t *conf,
|
|||
err = -EINVAL;
|
||||
goto _free;
|
||||
}
|
||||
if (!pcm || channels < 0) {
|
||||
if (!name || channels < 0) {
|
||||
err = -EINVAL;
|
||||
goto _free;
|
||||
}
|
||||
slaves_name[idx] = strdup(pcm);
|
||||
slaves_name[idx] = strdup(name);
|
||||
slaves_channels[idx] = channels;
|
||||
++idx;
|
||||
}
|
||||
|
||||
idx = 0;
|
||||
snd_config_foreach(i, binding) {
|
||||
snd_config_t *m = snd_config_entry(i);
|
||||
long cchannel = -1, schannel = -1;
|
||||
long cchannel = -1;
|
||||
long schannel = -1;
|
||||
int slave = -1;
|
||||
long val;
|
||||
char *str;
|
||||
cchannel = strtol(m->id, 0, 10);
|
||||
snd_config_foreach(j, m) {
|
||||
snd_config_t *n = snd_config_entry(j);
|
||||
if (strcmp(n->id, "comment") == 0)
|
||||
continue;
|
||||
if (strcmp(n->id, "client_channel") == 0) {
|
||||
err = snd_config_integer_get(n, &cchannel);
|
||||
if (err < 0)
|
||||
goto _free;
|
||||
continue;
|
||||
}
|
||||
if (strcmp(n->id, "slave") == 0) {
|
||||
if (strcmp(n->id, "sidx") == 0) {
|
||||
char buf[32];
|
||||
unsigned int k;
|
||||
err = snd_config_string_get(n, &str);
|
||||
|
|
@ -733,7 +730,7 @@ int _snd_pcm_multi_open(snd_pcm_t **pcmp, char *name, snd_config_t *conf,
|
|||
}
|
||||
continue;
|
||||
}
|
||||
if (strcmp(n->id, "slave_channel") == 0) {
|
||||
if (strcmp(n->id, "schannel") == 0) {
|
||||
err = snd_config_integer_get(n, &schannel);
|
||||
if (err < 0)
|
||||
goto _free;
|
||||
|
|
@ -754,10 +751,8 @@ int _snd_pcm_multi_open(snd_pcm_t **pcmp, char *name, snd_config_t *conf,
|
|||
err = -EINVAL;
|
||||
goto _free;
|
||||
}
|
||||
bindings_cchannel[idx] = cchannel;
|
||||
bindings_slave[idx] = slave;
|
||||
bindings_schannel[idx] = schannel;
|
||||
++idx;
|
||||
channels_sidx[cchannel] = slave;
|
||||
channels_schannel[cchannel] = schannel;
|
||||
}
|
||||
|
||||
for (idx = 0; idx < slaves_count; ++idx) {
|
||||
|
|
@ -767,8 +762,8 @@ int _snd_pcm_multi_open(snd_pcm_t **pcmp, char *name, snd_config_t *conf,
|
|||
}
|
||||
err = snd_pcm_multi_create(pcmp, slaves_count, slaves_pcm,
|
||||
slaves_channels,
|
||||
bindings_count, bindings_cchannel,
|
||||
bindings_slave, bindings_schannel,
|
||||
channels_count,
|
||||
channels_sidx, channels_schannel,
|
||||
1);
|
||||
_free:
|
||||
if (err < 0) {
|
||||
|
|
@ -785,12 +780,10 @@ _free:
|
|||
free(slaves_pcm);
|
||||
if (slaves_channels)
|
||||
free(slaves_channels);
|
||||
if (bindings_cchannel)
|
||||
free(bindings_cchannel);
|
||||
if (bindings_slave)
|
||||
free(bindings_slave);
|
||||
if (bindings_schannel)
|
||||
free(bindings_schannel);
|
||||
if (channels_sidx)
|
||||
free(channels_sidx);
|
||||
if (channels_schannel)
|
||||
free(channels_schannel);
|
||||
return err;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue