Functions | |
int | snd_pcm_route_open (snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, int schannels, snd_pcm_route_ttable_entry_t *ttable, unsigned int tt_ssize, unsigned int tt_cused, unsigned int tt_sused, snd_pcm_t *slave, int close_slave) |
Creates a new Route & Volume PCM. | |
int | snd_pcm_route_determine_ttable (snd_config_t *tt, unsigned int *tt_csize, unsigned int *tt_ssize) |
Determine route matrix sizes. | |
int | snd_pcm_route_load_ttable (snd_config_t *tt, snd_pcm_route_ttable_entry_t *ttable, unsigned int tt_csize, unsigned int tt_ssize, unsigned int *tt_cused, unsigned int *tt_sused, int schannels) |
Load route matrix. | |
int | _snd_pcm_route_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 Route & Volume PCM. |
int _snd_pcm_route_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 Route & Volume PCM.
pcmp | Returns created PCM handle | |
name | Name of PCM | |
root | Root configuration node | |
conf | Configuration node with Route & Volume PCM description | |
stream | Stream type | |
mode | Stream mode |
zero | on success otherwise a negative error code |
int snd_pcm_route_determine_ttable | ( | snd_config_t * | tt, | |
unsigned int * | tt_csize, | |||
unsigned int * | tt_ssize | |||
) |
Determine route matrix sizes.
tt | Configuration root describing route matrix | |
tt_csize | Returned client size in elements | |
tt_ssize | Returned slave size in elements |
zero | on success otherwise a negative error code |
int snd_pcm_route_load_ttable | ( | snd_config_t * | tt, | |
snd_pcm_route_ttable_entry_t * | ttable, | |||
unsigned int | tt_csize, | |||
unsigned int | tt_ssize, | |||
unsigned int * | tt_cused, | |||
unsigned int * | tt_sused, | |||
int | schannels | |||
) |
Load route matrix.
tt | Configuration root describing route matrix | |
ttable | Returned route matrix | |
tt_csize | Client size in elements | |
tt_ssize | Slave size in elements | |
tt_cused | Used client elements | |
tt_sused | Used slave elements | |
schannels | Slave channels |
zero | on success otherwise a negative error code |
int snd_pcm_route_open | ( | snd_pcm_t ** | pcmp, | |
const char * | name, | |||
snd_pcm_format_t | sformat, | |||
int | schannels, | |||
snd_pcm_route_ttable_entry_t * | ttable, | |||
unsigned int | tt_ssize, | |||
unsigned int | tt_cused, | |||
unsigned int | tt_sused, | |||
snd_pcm_t * | slave, | |||
int | close_slave | |||
) |
Creates a new Route & Volume PCM.
pcmp | Returns created PCM handle | |
name | Name of PCM | |
sformat | Slave format | |
schannels | Slave channels | |
ttable | Attenuation table | |
tt_ssize | Attenuation table - slave size | |
tt_cused | Attenuation table - client used count | |
tt_sused | Attenuation table - slave used count | |
slave | Slave PCM handle | |
close_slave | When set, the slave PCM handle is closed with copy PCM |
zero | on success otherwise a negative error code |