PCM Rate Plugin Interface.
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| 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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◆ _snd_pcm_rate_open()
| int _snd_pcm_rate_open |
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snd_pcm_t ** | pcmp, |
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const char * | name, |
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snd_config_t * | root, |
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snd_config_t * | conf, |
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snd_pcm_stream_t | stream, |
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int | mode ) |
Creates a new rate PCM.
- Parameters
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| 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
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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.
◆ snd_pcm_rate_get_default_converter()
| const snd_config_t * snd_pcm_rate_get_default_converter |
( |
snd_config_t * | root | ) |
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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 |
◆ snd_pcm_rate_open()
| int snd_pcm_rate_open |
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snd_pcm_t ** | pcmp, |
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const char * | name, |
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snd_pcm_format_t | sformat, |
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unsigned int | srate, |
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const snd_config_t * | converter, |
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snd_pcm_t * | slave, |
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int | close_slave ) |
Creates a new rate PCM.
- Parameters
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| 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
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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.