/builddir/build/BUILD/alsa-lib-1.0.22/src/pcm/pcm_multi.c File Reference
PCM Multi Streams to One Conversion Plugin Interface.
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Functions |
int | snd_pcm_multi_open (snd_pcm_t **pcmp, const char *name, unsigned int slaves_count, unsigned int master_slave, snd_pcm_t **slaves_pcm, unsigned int *schannels_count, unsigned int channels_count, int *sidxs, unsigned int *schannels, int close_slaves) |
| Creates a new Multi PCM.
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int | _snd_pcm_multi_open (snd_pcm_t **pcmp, const char *name, snd_config_t *root, snd_config_t *conf, snd_pcm_stream_t stream, int mode) |
| Creates a new Multi PCM.
|
Detailed Description
PCM Multi Streams to One Conversion Plugin Interface.
- Author:
- Abramo Bagnara <abramo@alsa-project.org>
- Date:
- 2000-2001
Function Documentation
Creates a new Multi PCM.
- Parameters:
-
| pcmp | Returns created PCM handle |
| name | Name of PCM |
| root | Root configuration node |
| conf | Configuration node with Multi PCM description |
| stream | Stream type |
| mode | Stream mode |
- Return values:
-
| zero | on success otherwise a negative error code |
- Warning:
- Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.
int snd_pcm_multi_open |
( |
snd_pcm_t ** |
pcmp, |
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const char * |
name, |
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unsigned int |
slaves_count, |
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unsigned int |
master_slave, |
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snd_pcm_t ** |
slaves_pcm, |
|
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unsigned int * |
schannels_count, |
|
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unsigned int |
channels_count, |
|
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int * |
sidxs, |
|
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unsigned int * |
schannels, |
|
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int |
close_slaves | |
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) |
| | |
Creates a new Multi PCM.
- Parameters:
-
| pcmp | Returns created PCM handle |
| name | Name of PCM |
| slaves_count | Count of slaves |
| master_slave | Master slave number |
| slaves_pcm | Array with slave PCMs |
| schannels_count | Array with slave channel counts |
| channels_count | Count of channels |
| sidxs | Array with channels indexes to slaves |
| schannels | Array with slave channels |
| close_slaves | When set, the slave PCM handle is closed |
- Return values:
-
| zero | on success otherwise a negative error code |
- Warning:
- Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.