/builddir/build/BUILD/alsa-lib-1.0.22/src/pcm/pcm_rate.c File Reference
PCM Rate Plugin Interface.
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Functions |
const snd_config_t * | snd_pcm_rate_get_default_converter (snd_config_t *root) |
| Get a default converter string.
|
int | snd_pcm_rate_open (snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, unsigned int srate, const snd_config_t *converter, snd_pcm_t *slave, int close_slave) |
| Creates a new rate PCM.
|
int | _snd_pcm_rate_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 rate PCM.
|
Detailed Description
PCM Rate Plugin Interface.
- Author:
- Abramo Bagnara <abramo@alsa-project.org>
-
Jaroslav Kysela <perex@perex.cz>
- Date:
- 2000-2004
Function Documentation
Creates a new rate PCM.
- Parameters:
-
| pcmp | Returns created PCM handle |
| name | Name of PCM |
| root | Root configuration node |
| conf | Configuration node with rate 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.
Get a default converter string.
- Parameters:
-
| root | Root configuration node |
- Return values:
-
| A | const config item if found, or NULL |
Creates a new rate PCM.
- Parameters:
-
| pcmp | Returns created PCM handle |
| name | Name of PCM |
| sformat | Slave format |
| srate | Slave rate |
| converter | SRC type string node |
| slave | Slave PCM handle |
| close_slave | When set, the slave PCM handle is closed with copy PCM |
- 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.