/usr/src/packages/BUILD/alsa-lib-1.0.25/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.
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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.
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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.
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Detailed Description
PCM Rate Plugin Interface.
- Author:
- Abramo Bagnara <abramo@alsa-project.org>
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Jaroslav Kysela <perex@perex.cz>
- Date:
- 2000-2004
Function Documentation
Creates a new rate PCM.
- Parameters:
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| pcmp | Returns created PCM handle - Parameters:
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| name | Name of PCM - Parameters:
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| root | Root configuration node - Parameters:
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| conf | Configuration node with rate PCM description - Parameters:
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| stream | Stream type - Parameters:
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| mode | Stream mode - Return values:
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| 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.
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Get a default converter string.
- Parameters:
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| root | Root configuration node - Return values:
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| A | const config item if found, or NULL |
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Creates a new rate PCM.
- Parameters:
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| pcmp | Returns created PCM handle - Parameters:
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| name | Name of PCM - Parameters:
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| sformat | Slave format - Parameters:
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| srate | Slave rate - Parameters:
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| converter | SRC type string node - Parameters:
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| slave | Slave PCM handle - Parameters:
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| close_slave | When set, the slave PCM handle is closed with copy PCM - Return values:
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| 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.
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