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ALSA project - the C library reference
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Functions | |
| const char * | snd_pcm_start_mode_name (snd_pcm_start_t mode) |
| (DEPRECATED) get name of PCM start mode setting | |
| const char * | snd_pcm_xrun_mode_name (snd_pcm_xrun_t mode) |
| (DEPRECATED) get name of PCM xrun mode setting | |
| int | snd_pcm_sw_params_set_start_mode (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_start_t val) |
| (DEPRECATED) Set start mode inside a software configuration container | |
| snd_pcm_start_t | snd_pcm_sw_params_get_start_mode (const snd_pcm_sw_params_t *params) |
| (DEPRECATED) Get start mode from a software configuration container | |
| int | snd_pcm_sw_params_set_xrun_mode (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_xrun_t val) |
| (DEPRECATED) Set xrun mode inside a software configuration container | |
| snd_pcm_xrun_t | snd_pcm_sw_params_get_xrun_mode (const snd_pcm_sw_params_t *params) |
| (DEPRECATED) Get xrun mode from a software configuration container | |
| int | snd_pcm_sw_params_set_xfer_align (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) |
| (DEPRECATED) Set xfer align inside a software configuration container | |
| int | snd_pcm_sw_params_get_xfer_align (const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) |
| (DEPRECATED) Get xfer align from a software configuration container | |
| int | snd_pcm_sw_params_set_sleep_min (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, unsigned int val) |
| (DEPRECATED) Set minimum number of ticks to sleep inside a software configuration container | |
| int | snd_pcm_sw_params_get_sleep_min (const snd_pcm_sw_params_t *params, unsigned int *val) |
| (DEPRECATED) Get minimum numbers of ticks to sleep from a software configuration container | |
| int | snd_pcm_hw_params_get_tick_time (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| (DEPRECATED) Extract tick time from a configuration space | |
| int | snd_pcm_hw_params_get_tick_time_min (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| (DEPRECATED) Extract minimum tick time from a configuration space | |
| int | snd_pcm_hw_params_get_tick_time_max (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| (DEPRECATED) Extract maximum tick time from a configuration space | |
| int | snd_pcm_hw_params_test_tick_time (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| (DEPRECATED) Verify if a tick time is available inside a configuration space for a PCM | |
| int | snd_pcm_hw_params_set_tick_time (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| (DEPRECATED) Restrict a configuration space to contain only one tick time | |
| int | snd_pcm_hw_params_set_tick_time_min (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| (DEPRECATED) Restrict a configuration space with a minimum tick time | |
| int | snd_pcm_hw_params_set_tick_time_max (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| (DEPRECATED) Restrict a configuration space with a maximum tick time | |
| int | snd_pcm_hw_params_set_tick_time_minmax (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir) |
| (DEPRECATED) Restrict a configuration space to have tick times in a given range | |
| int | snd_pcm_hw_params_set_tick_time_near (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| (DEPRECATED) Restrict a configuration space to have tick time nearest to a target | |
| int | snd_pcm_hw_params_set_tick_time_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| (DEPRECATED) Restrict a configuration space to contain only its minimum tick time | |
| int | snd_pcm_hw_params_set_tick_time_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| (DEPRECATED) Restrict a configuration space to contain only its maximum tick time | |
See the PCM (digital audio) interface page for more details.
| int snd_pcm_hw_params_get_tick_time | ( | const snd_pcm_hw_params_t * | params, |
| unsigned int * | val, | ||
| int * | dir ) |
(DEPRECATED) Extract tick time from a configuration space
| params | Configuration space |
| val | Returned approximate tick duration in us |
| dir | Sub unit direction |
Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
| int snd_pcm_hw_params_get_tick_time_max | ( | const snd_pcm_hw_params_t * | params, |
| unsigned int * | val, | ||
| int * | dir ) |
(DEPRECATED) Extract maximum tick time from a configuration space
| params | Configuration space |
| val | Returned approximate maximum tick duration in us |
| dir | Sub unit direction |
Exact value is <,=,> the returned one following dir (-1,0,1)
| int snd_pcm_hw_params_get_tick_time_min | ( | const snd_pcm_hw_params_t * | params, |
| unsigned int * | val, | ||
| int * | dir ) |
(DEPRECATED) Extract minimum tick time from a configuration space
| params | Configuration space |
| val | Returned approximate minimum tick duration in us |
| dir | Sub unit direction |
Exact value is <,=,> the returned one following dir (-1,0,1)
| int snd_pcm_hw_params_set_tick_time | ( | snd_pcm_t * | pcm, |
| snd_pcm_hw_params_t * | params, | ||
| unsigned int | val, | ||
| int | dir ) |
(DEPRECATED) Restrict a configuration space to contain only one tick time
| pcm | PCM handle |
| params | Configuration space |
| val | approximate tick duration in us |
| dir | Sub unit direction |
Wanted exact value is <,=,> val following dir (-1,0,1)
| int snd_pcm_hw_params_set_tick_time_first | ( | snd_pcm_t * | pcm, |
| snd_pcm_hw_params_t * | params, | ||
| unsigned int * | val, | ||
| int * | dir ) |
(DEPRECATED) Restrict a configuration space to contain only its minimum tick time
| pcm | PCM handle |
| params | Configuration space |
| val | Returned approximate minimum tick duration in us |
| dir | Sub unit direction |
Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
| int snd_pcm_hw_params_set_tick_time_last | ( | snd_pcm_t * | pcm, |
| snd_pcm_hw_params_t * | params, | ||
| unsigned int * | val, | ||
| int * | dir ) |
(DEPRECATED) Restrict a configuration space to contain only its maximum tick time
| pcm | PCM handle |
| params | Configuration space |
| val | Returned approximate maximum tick duration in us |
| dir | Sub unit direction |
Actual exact value is <,=,> the approximate one following dir (-1, 0, 1)
| int snd_pcm_hw_params_set_tick_time_max | ( | snd_pcm_t * | pcm, |
| snd_pcm_hw_params_t * | params, | ||
| unsigned int * | val, | ||
| int * | dir ) |
(DEPRECATED) Restrict a configuration space with a maximum tick time
| pcm | PCM handle |
| params | Configuration space |
| val | approximate maximum tick duration in us (on return filled with actual maximum) |
| dir | Sub unit direction (on return filled with actual direction) |
Wanted/actual exact maximum is <,=,> val following dir (-1,0,1)
| int snd_pcm_hw_params_set_tick_time_min | ( | snd_pcm_t * | pcm, |
| snd_pcm_hw_params_t * | params, | ||
| unsigned int * | val, | ||
| int * | dir ) |
(DEPRECATED) Restrict a configuration space with a minimum tick time
| pcm | PCM handle |
| params | Configuration space |
| val | approximate minimum tick duration in us (on return filled with actual minimum) |
| dir | Sub unit direction (on return filled with actual direction) |
Wanted/actual exact minimum is <,=,> val following dir (-1,0,1)
| int snd_pcm_hw_params_set_tick_time_minmax | ( | snd_pcm_t * | pcm, |
| snd_pcm_hw_params_t * | params, | ||
| unsigned int * | min, | ||
| int * | mindir, | ||
| unsigned int * | max, | ||
| int * | maxdir ) |
(DEPRECATED) Restrict a configuration space to have tick times in a given range
| pcm | PCM handle |
| params | Configuration space |
| min | approximate minimum tick duration in us (on return filled with actual minimum) |
| mindir | Sub unit direction for minimum (on return filled with actual direction) |
| max | approximate maximum tick duration in us (on return filled with actual maximum) |
| maxdir | Sub unit direction for maximum (on return filled with actual direction) |
Wanted/actual exact min/max is <,=,> val following dir (-1,0,1)
| int snd_pcm_hw_params_set_tick_time_near | ( | snd_pcm_t * | pcm, |
| snd_pcm_hw_params_t * | params, | ||
| unsigned int * | val, | ||
| int * | dir ) |
(DEPRECATED) Restrict a configuration space to have tick time nearest to a target
| pcm | PCM handle |
| params | Configuration space |
| val | approximate target tick duration in us / returned chosen approximate target tick duration in us |
| dir | Sub unit direction |
target/chosen exact value is <,=,> val following dir (-1,0,1)
| int snd_pcm_hw_params_test_tick_time | ( | snd_pcm_t * | pcm, |
| snd_pcm_hw_params_t * | params, | ||
| unsigned int | val, | ||
| int | dir ) |
(DEPRECATED) Verify if a tick time is available inside a configuration space for a PCM
| pcm | PCM handle |
| params | Configuration space |
| val | approximate tick duration in us |
| dir | Sub unit direction |
Wanted exact value is <,=,> val following dir (-1,0,1)
| const char * snd_pcm_start_mode_name | ( | snd_pcm_start_t | mode | ) |
(DEPRECATED) get name of PCM start mode setting
| mode | PCM start mode |
| int snd_pcm_sw_params_get_sleep_min | ( | const snd_pcm_sw_params_t * | params, |
| unsigned int * | val ) |
(DEPRECATED) Get minimum numbers of ticks to sleep from a software configuration container
| params | Software configuration container |
| val | returned minimum number of ticks to sleep or 0 if tick timer is disabled |
| snd_pcm_start_t snd_pcm_sw_params_get_start_mode | ( | const snd_pcm_sw_params_t * | params | ) |
(DEPRECATED) Get start mode from a software configuration container
| params | Software configuration container |
| int snd_pcm_sw_params_get_xfer_align | ( | const snd_pcm_sw_params_t * | params, |
| snd_pcm_uframes_t * | val ) |
(DEPRECATED) Get xfer align from a software configuration container
| params | Software configuration container |
| val | returned chunk size (frames are attempted to be transferred in chunks) |
| snd_pcm_xrun_t snd_pcm_sw_params_get_xrun_mode | ( | const snd_pcm_sw_params_t * | params | ) |
(DEPRECATED) Get xrun mode from a software configuration container
| params | Software configuration container |
| int snd_pcm_sw_params_set_sleep_min | ( | snd_pcm_t * | pcm, |
| snd_pcm_sw_params_t * | params, | ||
| unsigned int | val ) |
(DEPRECATED) Set minimum number of ticks to sleep inside a software configuration container
| pcm | PCM handle |
| params | Software configuration container |
| val | Minimum ticks to sleep or 0 to disable the use of tick timer |
| int snd_pcm_sw_params_set_start_mode | ( | snd_pcm_t * | pcm, |
| snd_pcm_sw_params_t * | params, | ||
| snd_pcm_start_t | val ) |
(DEPRECATED) Set start mode inside a software configuration container
| pcm | PCM handle |
| params | Software configuration container |
| val | Start mode |
| int snd_pcm_sw_params_set_xfer_align | ( | snd_pcm_t * | pcm, |
| snd_pcm_sw_params_t * | params, | ||
| snd_pcm_uframes_t | val ) |
(DEPRECATED) Set xfer align inside a software configuration container
| pcm | PCM handle |
| params | Software configuration container |
| val | Chunk size (frames are attempted to be transferred in chunks) |
| int snd_pcm_sw_params_set_xrun_mode | ( | snd_pcm_t * | pcm, |
| snd_pcm_sw_params_t * | params, | ||
| snd_pcm_xrun_t | val ) |
(DEPRECATED) Set xrun mode inside a software configuration container
| pcm | PCM handle |
| params | Software configuration container |
| val | Xrun mode |
| const char * snd_pcm_xrun_mode_name | ( | snd_pcm_xrun_t | mode | ) |
(DEPRECATED) get name of PCM xrun mode setting
| mode | PCM xrun mode |