Functions |
| int | snd_pcm_open (snd_pcm_t **pcm, const char *name, snd_pcm_stream_t stream, int mode) |
| | Opens a PCM.
|
| int | snd_pcm_open_lconf (snd_pcm_t **pcm, const char *name, snd_pcm_stream_t stream, int mode, snd_config_t *lconf) |
| | Opens a PCM using local configuration.
|
| int | snd_pcm_open_fallback (snd_pcm_t **pcm, snd_config_t *root, const char *name, const char *orig_name, snd_pcm_stream_t stream, int mode) |
| | Opens a fallback PCM.
|
| int | snd_pcm_close (snd_pcm_t *pcm) |
| | close PCM handle
|
| const char * | snd_pcm_name (snd_pcm_t *pcm) |
| | get identifier of PCM handle
|
| snd_pcm_type_t | snd_pcm_type (snd_pcm_t *pcm) |
| | get type of PCM handle
|
| snd_pcm_stream_t | snd_pcm_stream (snd_pcm_t *pcm) |
| | get stream for a PCM handle
|
| int | snd_pcm_poll_descriptors_count (snd_pcm_t *pcm) |
| | get count of poll descriptors for PCM handle
|
| int | snd_pcm_poll_descriptors (snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space) |
| | get poll descriptors
|
| int | snd_pcm_poll_descriptors_revents (snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents) |
| | get returned events from poll descriptors
|
| int | snd_pcm_nonblock (snd_pcm_t *pcm, int nonblock) |
| | set nonblock mode
|
| int | snd_async_add_pcm_handler (snd_async_handler_t **handler, snd_pcm_t *pcm, snd_async_callback_t callback, void *private_data) |
| | Add an async handler for a PCM.
|
| snd_pcm_t * | snd_async_handler_get_pcm (snd_async_handler_t *handler) |
| | Return PCM handle related to an async handler.
|
| int | snd_pcm_info (snd_pcm_t *pcm, snd_pcm_info_t *info) |
| | Obtain general (static) information for PCM handle.
|
| int | snd_pcm_hw_params_current (snd_pcm_t *pcm, snd_pcm_hw_params_t *params) |
| | Retreive current PCM hardware configuration chosen with snd_pcm_hw_params.
|
| int | snd_pcm_hw_params (snd_pcm_t *pcm, snd_pcm_hw_params_t *params) |
| | Install one PCM hardware configuration chosen from a configuration space and snd_pcm_prepare it.
|
| int | snd_pcm_hw_free (snd_pcm_t *pcm) |
| | Remove PCM hardware configuration and free associated resources.
|
| int | snd_pcm_sw_params_current (snd_pcm_t *pcm, snd_pcm_sw_params_t *params) |
| | Return current software configuration for a PCM.
|
| int | snd_pcm_sw_params (snd_pcm_t *pcm, snd_pcm_sw_params_t *params) |
| | Install PCM software configuration defined by params.
|
| int | snd_pcm_prepare (snd_pcm_t *pcm) |
| | Prepare PCM for use.
|
| int | snd_pcm_reset (snd_pcm_t *pcm) |
| | Reset PCM position.
|
| int | snd_pcm_status (snd_pcm_t *pcm, snd_pcm_status_t *status) |
| | Obtain status (runtime) information for PCM handle.
|
| int | snd_pcm_start (snd_pcm_t *pcm) |
| | Start a PCM.
|
| int | snd_pcm_drop (snd_pcm_t *pcm) |
| | Stop a PCM dropping pending frames.
|
| int | snd_pcm_drain (snd_pcm_t *pcm) |
| | Stop a PCM preserving pending frames.
|
| int | snd_pcm_pause (snd_pcm_t *pcm, int enable) |
| | Pause/resume PCM.
|
| snd_pcm_state_t | snd_pcm_state (snd_pcm_t *pcm) |
| | Return PCM state.
|
| int | snd_pcm_hwsync (snd_pcm_t *pcm) |
| | (DEPRECATED) Synchronize stream position with hardware
|
| int | snd_pcm_delay (snd_pcm_t *pcm, snd_pcm_sframes_t *delayp) |
| | Obtain delay for a running PCM handle.
|
| int | snd_pcm_resume (snd_pcm_t *pcm) |
| | Resume from suspend, no samples are lost.
|
| int | snd_pcm_htimestamp (snd_pcm_t *pcm, snd_pcm_uframes_t *avail, snd_htimestamp_t *tstamp) |
| | Obtain last position update hi-res timestamp.
|
| snd_pcm_sframes_t | snd_pcm_avail (snd_pcm_t *pcm) |
| | Return number of frames ready to be read (capture) / written (playback)
|
| snd_pcm_sframes_t | snd_pcm_avail_update (snd_pcm_t *pcm) |
| | Return number of frames ready to be read (capture) / written (playback)
|
| int | snd_pcm_avail_delay (snd_pcm_t *pcm, snd_pcm_sframes_t *availp, snd_pcm_sframes_t *delayp) |
| | Combine snd_pcm_avail and snd_pcm_delay functions.
|
| snd_pcm_sframes_t | snd_pcm_rewindable (snd_pcm_t *pcm) |
| | Get safe count of frames which can be rewinded.
|
| snd_pcm_sframes_t | snd_pcm_rewind (snd_pcm_t *pcm, snd_pcm_uframes_t frames) |
| | Move application frame position backward.
|
| snd_pcm_sframes_t | snd_pcm_forwardable (snd_pcm_t *pcm) |
| | Get safe count of frames which can be forwarded.
|
| snd_pcm_sframes_t | snd_pcm_forward (snd_pcm_t *pcm, snd_pcm_uframes_t frames) |
| | Move application frame position forward.
|
| snd_pcm_sframes_t | snd_pcm_writei (snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size) |
| | Write interleaved frames to a PCM.
|
| snd_pcm_sframes_t | snd_pcm_readi (snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size) |
| | Read interleaved frames from a PCM.
|
| snd_pcm_sframes_t | snd_pcm_writen (snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size) |
| | Write non interleaved frames to a PCM.
|
| snd_pcm_sframes_t | snd_pcm_readn (snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size) |
| | Read non interleaved frames to a PCM.
|
| int | snd_pcm_wait (snd_pcm_t *pcm, int timeout) |
| | Wait for a PCM to become ready.
|
| int | snd_pcm_link (snd_pcm_t *pcm1, snd_pcm_t *pcm2) |
| | Link two PCMs.
|
| int | snd_pcm_unlink (snd_pcm_t *pcm) |
| | Remove a PCM from a linked group.
|
| int | snd_pcm_recover (snd_pcm_t *pcm, int err, int silent) |
| | Recover the stream state from an error or suspend.
|
| int | snd_pcm_set_params (snd_pcm_t *pcm, snd_pcm_format_t format, snd_pcm_access_t access, unsigned int channels, unsigned int rate, int soft_resample, unsigned int latency) |
| | Set the hardware and software parameters in a simple way.
|
| int | snd_pcm_get_params (snd_pcm_t *pcm, snd_pcm_uframes_t *buffer_size, snd_pcm_uframes_t *period_size) |
| | Get the transfer size parameters in a simple way.
|
| size_t | snd_pcm_info_sizeof (void) |
| | get size of snd_pcm_info_t
|
| int | snd_pcm_info_malloc (snd_pcm_info_t **ptr) |
| | allocate an invalid snd_pcm_info_t using standard malloc
|
| void | snd_pcm_info_free (snd_pcm_info_t *obj) |
| | frees a previously allocated snd_pcm_info_t
|
| void | snd_pcm_info_copy (snd_pcm_info_t *dst, const snd_pcm_info_t *src) |
| | copy one snd_pcm_info_t to another
|
| unsigned int | snd_pcm_info_get_device (const snd_pcm_info_t *obj) |
| | Get device from a PCM info container.
|
| unsigned int | snd_pcm_info_get_subdevice (const snd_pcm_info_t *obj) |
| | Get subdevice from a PCM info container.
|
| snd_pcm_stream_t | snd_pcm_info_get_stream (const snd_pcm_info_t *obj) |
| | Get stream (direction) from a PCM info container.
|
| int | snd_pcm_info_get_card (const snd_pcm_info_t *obj) |
| | Get card from a PCM info container.
|
| const char * | snd_pcm_info_get_id (const snd_pcm_info_t *obj) |
| | Get id from a PCM info container.
|
| const char * | snd_pcm_info_get_name (const snd_pcm_info_t *obj) |
| | Get name from a PCM info container.
|
| const char * | snd_pcm_info_get_subdevice_name (const snd_pcm_info_t *obj) |
| | Get subdevice name from a PCM info container.
|
| snd_pcm_class_t | snd_pcm_info_get_class (const snd_pcm_info_t *obj) |
| | Get class from a PCM info container.
|
| snd_pcm_subclass_t | snd_pcm_info_get_subclass (const snd_pcm_info_t *obj) |
| | Get subclass from a PCM info container.
|
| unsigned int | snd_pcm_info_get_subdevices_count (const snd_pcm_info_t *obj) |
| | Get subdevices count from a PCM info container.
|
| unsigned int | snd_pcm_info_get_subdevices_avail (const snd_pcm_info_t *obj) |
| | Get available subdevices count from a PCM info container.
|
| snd_pcm_sync_id_t | snd_pcm_info_get_sync (const snd_pcm_info_t *obj) |
| | Get hardware synchronization ID from a PCM info container.
|
| void | snd_pcm_info_set_device (snd_pcm_info_t *obj, unsigned int val) |
| | Set wanted device inside a PCM info container (see snd_ctl_pcm_info)
|
| void | snd_pcm_info_set_subdevice (snd_pcm_info_t *obj, unsigned int val) |
| | Set wanted subdevice inside a PCM info container (see snd_ctl_pcm_info)
|
| void | snd_pcm_info_set_stream (snd_pcm_info_t *obj, snd_pcm_stream_t val) |
| | Set wanted stream inside a PCM info container (see snd_ctl_pcm_info)
|
| int | snd_pcm_hw_params_any (snd_pcm_t *pcm, snd_pcm_hw_params_t *params) |
| | Fill params with a full configuration space for a PCM.
|
| int | snd_pcm_hw_params_can_mmap_sample_resolution (const snd_pcm_hw_params_t *params) |
| | Check if hardware supports sample-resolution mmap for given configuration.
|
| int | snd_pcm_hw_params_is_double (const snd_pcm_hw_params_t *params) |
| | Check if hardware does double buffering for start/stop for given configuration.
|
| int | snd_pcm_hw_params_is_batch (const snd_pcm_hw_params_t *params) |
| | Check if hardware does double buffering for data transfers for given configuration.
|
| int | snd_pcm_hw_params_is_block_transfer (const snd_pcm_hw_params_t *params) |
| | Check if hardware does block transfers for samples for given configuration.
|
| int | snd_pcm_hw_params_is_monotonic (const snd_pcm_hw_params_t *params) |
| | Check if timestamps are monotonic for given configuration.
|
| int | snd_pcm_hw_params_can_overrange (const snd_pcm_hw_params_t *params) |
| | Check if hardware supports overrange detection.
|
| int | snd_pcm_hw_params_can_pause (const snd_pcm_hw_params_t *params) |
| | Check if hardware supports pause.
|
| int | snd_pcm_hw_params_can_resume (const snd_pcm_hw_params_t *params) |
| | Check if hardware supports resume.
|
| int | snd_pcm_hw_params_is_half_duplex (const snd_pcm_hw_params_t *params) |
| | Check if hardware does half-duplex only.
|
| int | snd_pcm_hw_params_is_joint_duplex (const snd_pcm_hw_params_t *params) |
| | Check if hardware does joint-duplex (playback and capture are somewhat correlated)
|
| int | snd_pcm_hw_params_can_sync_start (const snd_pcm_hw_params_t *params) |
| | Check if hardware supports synchronized start with sample resolution.
|
| int | snd_pcm_hw_params_can_disable_period_wakeup (const snd_pcm_hw_params_t *params) |
| | Check if hardware can disable period wakeups.
|
| int | snd_pcm_hw_params_get_rate_numden (const snd_pcm_hw_params_t *params, unsigned int *rate_num, unsigned int *rate_den) |
| | Get rate exact info from a configuration space.
|
| int | snd_pcm_hw_params_get_sbits (const snd_pcm_hw_params_t *params) |
| | Get sample resolution info from a configuration space.
|
| int | snd_pcm_hw_params_get_fifo_size (const snd_pcm_hw_params_t *params) |
| | Get hardware FIFO size info from a configuration space.
|
| size_t | snd_pcm_hw_params_sizeof (void) |
| | get size of snd_pcm_hw_params_t
|
| int | snd_pcm_hw_params_malloc (snd_pcm_hw_params_t **ptr) |
| | allocate an invalid snd_pcm_hw_params_t using standard malloc
|
| void | snd_pcm_hw_params_free (snd_pcm_hw_params_t *obj) |
| | frees a previously allocated snd_pcm_hw_params_t
|
| void | snd_pcm_hw_params_copy (snd_pcm_hw_params_t *dst, const snd_pcm_hw_params_t *src) |
| | copy one snd_pcm_hw_params_t to another
|
| int | snd_pcm_hw_params_get_access (const snd_pcm_hw_params_t *params, snd_pcm_access_t *_access) |
| | Extract access type from a configuration space.
|
| int | snd_pcm_hw_params_test_access (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access) |
| | Verify if an access type is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_access (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access) |
| | Restrict a configuration space to contain only one access type.
|
| int | snd_pcm_hw_params_set_access_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access) |
| | Restrict a configuration space to contain only its first access type.
|
| int | snd_pcm_hw_params_set_access_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t *_access) |
| | Restrict a configuration space to contain only its last access type.
|
| int | snd_pcm_hw_params_set_access_mask (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask) |
| | Restrict a configuration space to contain only a set of access types.
|
| int | snd_pcm_hw_params_get_access_mask (snd_pcm_hw_params_t *params, snd_pcm_access_mask_t *mask) |
| | Get access mask from a configuration space.
|
| int | snd_pcm_hw_params_get_format (const snd_pcm_hw_params_t *params, snd_pcm_format_t *val) |
| | Extract format from a configuration space.
|
| int | snd_pcm_hw_params_test_format (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val) |
| | Verify if a format is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_format (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val) |
| | Restrict a configuration space to contain only one format.
|
| int | snd_pcm_hw_params_set_format_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format) |
| | Restrict a configuration space to contain only its first format.
|
| int | snd_pcm_hw_params_set_format_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t *format) |
| | Restrict a configuration space to contain only its last format.
|
| int | snd_pcm_hw_params_set_format_mask (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask) |
| | Restrict a configuration space to contain only a set of formats.
|
| void | snd_pcm_hw_params_get_format_mask (snd_pcm_hw_params_t *params, snd_pcm_format_mask_t *mask) |
| | Get format mask from a configuration space.
|
| int | snd_pcm_hw_params_get_subformat (const snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat) |
| | Extract subformat from a configuration space.
|
| int | snd_pcm_hw_params_test_subformat (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat) |
| | Verify if a subformat is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_subformat (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t subformat) |
| | Restrict a configuration space to contain only one subformat.
|
| int | snd_pcm_hw_params_set_subformat_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat) |
| | Restrict a configuration space to contain only its first subformat.
|
| int | snd_pcm_hw_params_set_subformat_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_t *subformat) |
| | Restrict a configuration space to contain only its last subformat.
|
| int | snd_pcm_hw_params_set_subformat_mask (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask) |
| | Restrict a configuration space to contain only a set of subformats.
|
| void | snd_pcm_hw_params_get_subformat_mask (snd_pcm_hw_params_t *params, snd_pcm_subformat_mask_t *mask) |
| | Get subformat mask from a configuration space.
|
| int | snd_pcm_hw_params_get_channels (const snd_pcm_hw_params_t *params, unsigned int *val) |
| | Extract channels from a configuration space.
|
| int | snd_pcm_hw_params_get_channels_min (const snd_pcm_hw_params_t *params, unsigned int *val) |
| | Extract minimum channels count from a configuration space.
|
| int | snd_pcm_hw_params_get_channels_max (const snd_pcm_hw_params_t *params, unsigned int *val) |
| | Extract maximum channels count from a configuration space.
|
| int | snd_pcm_hw_params_test_channels (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val) |
| | Verify if a channels count is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_channels (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val) |
| | Restrict a configuration space to contain only one channels count.
|
| int | snd_pcm_hw_params_set_channels_min (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val) |
| | Restrict a configuration space with a minimum channels count.
|
| int | snd_pcm_hw_params_set_channels_max (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val) |
| | Restrict a configuration space with a maximum channels count.
|
| int | snd_pcm_hw_params_set_channels_minmax (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, unsigned int *max) |
| | Restrict a configuration space to have channels counts in a given range.
|
| int | snd_pcm_hw_params_set_channels_near (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val) |
| | Restrict a configuration space to have channels count nearest to a target.
|
| int | snd_pcm_hw_params_set_channels_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val) |
| | Restrict a configuration space to contain only its minimum channels count.
|
| int | snd_pcm_hw_params_set_channels_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val) |
| | Restrict a configuration space to contain only its maximum channels count.
|
| int | snd_pcm_hw_params_get_rate (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract rate from a configuration space.
|
| int | snd_pcm_hw_params_get_rate_min (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract minimum rate from a configuration space.
|
| int | snd_pcm_hw_params_get_rate_max (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract maximum rate from a configuration space.
|
| int | snd_pcm_hw_params_test_rate (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| | Verify if a rate is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_rate (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| | Restrict a configuration space to contain only one rate.
|
| int | snd_pcm_hw_params_set_rate_min (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space with a minimum rate.
|
| int | snd_pcm_hw_params_set_rate_max (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space with a maximum rate.
|
| int | snd_pcm_hw_params_set_rate_minmax (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir) |
| | Restrict a configuration space to have rates in a given range.
|
| int | snd_pcm_hw_params_set_rate_near (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to have rate nearest to a target.
|
| int | snd_pcm_hw_params_set_rate_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to contain only its minimum rate.
|
| int | snd_pcm_hw_params_set_rate_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to contain only its maximum rate.
|
| int | snd_pcm_hw_params_set_rate_resample (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val) |
| | Restrict a configuration space to contain only real hardware rates.
|
| int | snd_pcm_hw_params_get_rate_resample (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val) |
| | Extract resample state from a configuration space.
|
| int | snd_pcm_hw_params_set_export_buffer (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val) |
| | Restrict a configuration space to allow the buffer to be accessible from outside.
|
| int | snd_pcm_hw_params_get_export_buffer (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val) |
| | Extract buffer accessibility from a configuration space.
|
| int | snd_pcm_hw_params_set_period_wakeup (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val) |
| | Restrict a configuration space to settings without period wakeups.
|
| int | snd_pcm_hw_params_get_period_wakeup (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val) |
| | Extract period wakeup flag from a configuration space.
|
| int | snd_pcm_hw_params_get_period_time (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract period time from a configuration space.
|
| int | snd_pcm_hw_params_get_period_time_min (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract minimum period time from a configuration space.
|
| int | snd_pcm_hw_params_get_period_time_max (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract maximum period time from a configuration space.
|
| int | snd_pcm_hw_params_test_period_time (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| | Verify if a period time is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_period_time (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| | Restrict a configuration space to contain only one period time.
|
| int | snd_pcm_hw_params_set_period_time_min (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space with a minimum period time.
|
| int | snd_pcm_hw_params_set_period_time_max (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space with a maximum period time.
|
| int | snd_pcm_hw_params_set_period_time_minmax (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir) |
| | Restrict a configuration space to have period times in a given range.
|
| int | snd_pcm_hw_params_set_period_time_near (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to have period time nearest to a target.
|
| int | snd_pcm_hw_params_set_period_time_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to contain only its minimum period time.
|
| int | snd_pcm_hw_params_set_period_time_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to contain only its maximum period time.
|
| int | snd_pcm_hw_params_get_period_size (const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir) |
| | Extract period size from a configuration space.
|
| int | snd_pcm_hw_params_get_period_size_min (const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir) |
| | Extract minimum period size from a configuration space.
|
| int | snd_pcm_hw_params_get_period_size_max (const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *frames, int *dir) |
| | Extract maximum period size from a configuration space.
|
| int | snd_pcm_hw_params_test_period_size (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir) |
| | Verify if a period size is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_period_size (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val, int dir) |
| | Restrict a configuration space to contain only one period size.
|
| int | snd_pcm_hw_params_set_period_size_min (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir) |
| | Restrict a configuration space with a minimum period size.
|
| int | snd_pcm_hw_params_set_period_size_max (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir) |
| | Restrict a configuration space with a maximum period size.
|
| int | snd_pcm_hw_params_set_period_size_minmax (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, int *mindir, snd_pcm_uframes_t *max, int *maxdir) |
| | Restrict a configuration space to have period sizes in a given range.
|
| int | snd_pcm_hw_params_set_period_size_near (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir) |
| | Restrict a configuration space to have period size nearest to a target.
|
| int | snd_pcm_hw_params_set_period_size_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir) |
| | Restrict a configuration space to contain only its minimum period size.
|
| int | snd_pcm_hw_params_set_period_size_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val, int *dir) |
| | Restrict a configuration space to contain only its maximum period size.
|
| int | snd_pcm_hw_params_set_period_size_integer (snd_pcm_t *pcm, snd_pcm_hw_params_t *params) |
| | Restrict a configuration space to contain only integer period sizes.
|
| int | snd_pcm_hw_params_get_periods (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract periods from a configuration space.
|
| int | snd_pcm_hw_params_get_periods_min (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract minimum periods count from a configuration space.
|
| int | snd_pcm_hw_params_get_periods_max (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract maximum periods count from a configuration space.
|
| int | snd_pcm_hw_params_test_periods (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| | Verify if a periods count is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_periods (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| | Restrict a configuration space to contain only one periods count.
|
| int | snd_pcm_hw_params_set_periods_min (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space with a minimum periods count.
|
| int | snd_pcm_hw_params_set_periods_max (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space with a maximum periods count.
|
| int | snd_pcm_hw_params_set_periods_minmax (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir) |
| | Restrict a configuration space to have periods counts in a given range.
|
| int | snd_pcm_hw_params_set_periods_near (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to have periods count nearest to a target.
|
| int | snd_pcm_hw_params_set_periods_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to contain only its minimum periods count.
|
| int | snd_pcm_hw_params_set_periods_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to contain only its maximum periods count.
|
| int | snd_pcm_hw_params_set_periods_integer (snd_pcm_t *pcm, snd_pcm_hw_params_t *params) |
| | Restrict a configuration space to contain only integer periods counts.
|
| int | snd_pcm_hw_params_get_buffer_time (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract buffer time from a configuration space.
|
| int | snd_pcm_hw_params_get_buffer_time_min (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract minimum buffer time from a configuration space.
|
| int | snd_pcm_hw_params_get_buffer_time_max (const snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Extract maximum buffer time from a configuration space.
|
| int | snd_pcm_hw_params_test_buffer_time (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| | Verify if a buffer time is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_buffer_time (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val, int dir) |
| | Restrict a configuration space to contain only one buffer time.
|
| int | snd_pcm_hw_params_set_buffer_time_min (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space with a minimum buffer time.
|
| int | snd_pcm_hw_params_set_buffer_time_max (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space with a maximum buffer time.
|
| int | snd_pcm_hw_params_set_buffer_time_minmax (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir) |
| | Restrict a configuration space to have buffer times in a given range.
|
| int | snd_pcm_hw_params_set_buffer_time_near (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to have buffer time nearest to a target.
|
| int | snd_pcm_hw_params_set_buffer_time_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to contain only its minimum buffer time.
|
| int | snd_pcm_hw_params_set_buffer_time_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir) |
| | Restrict a configuration space to contain only its maximum buffered time.
|
| int | snd_pcm_hw_params_get_buffer_size (const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Extract buffer size from a configuration space.
|
| int | snd_pcm_hw_params_get_buffer_size_min (const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Extract minimum buffer size from a configuration space.
|
| int | snd_pcm_hw_params_get_buffer_size_max (const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Extract maximum buffer size from a configuration space.
|
| int | snd_pcm_hw_params_test_buffer_size (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val) |
| | Verify if a buffer size is available inside a configuration space for a PCM.
|
| int | snd_pcm_hw_params_set_buffer_size (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val) |
| | Restrict a configuration space to contain only one buffer size.
|
| int | snd_pcm_hw_params_set_buffer_size_min (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Restrict a configuration space with a minimum buffer size.
|
| int | snd_pcm_hw_params_set_buffer_size_max (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Restrict a configuration space with a maximum buffer size.
|
| int | snd_pcm_hw_params_set_buffer_size_minmax (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *min, snd_pcm_uframes_t *max) |
| | Restrict a configuration space to have buffer sizes in a given range.
|
| int | snd_pcm_hw_params_set_buffer_size_near (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Restrict a configuration space to have buffer size nearest to a target.
|
| int | snd_pcm_hw_params_set_buffer_size_first (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Restrict a configuration space to contain only its minimum buffer size.
|
| int | snd_pcm_hw_params_set_buffer_size_last (snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Restrict a configuration space to contain only its maximum buffer size.
|
| int | snd_pcm_hw_params_get_min_align (const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val) |
| | Get the minimum transfer align value in samples.
|
| size_t | snd_pcm_sw_params_sizeof (void) |
| | get size of snd_pcm_sw_params_t
|
| int | snd_pcm_sw_params_malloc (snd_pcm_sw_params_t **ptr) |
| | allocate an invalid snd_pcm_sw_params_t using standard malloc
|
| void | snd_pcm_sw_params_free (snd_pcm_sw_params_t *obj) |
| | frees a previously allocated snd_pcm_sw_params_t
|
| void | snd_pcm_sw_params_copy (snd_pcm_sw_params_t *dst, const snd_pcm_sw_params_t *src) |
| | copy one snd_pcm_sw_params_t to another
|
| int | snd_pcm_sw_params_get_boundary (const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) |
| | Get boundary for ring pointers from a software configuration container.
|
| int | snd_pcm_sw_params_set_tstamp_mode (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_tstamp_t val) |
| | Set timestamp mode inside a software configuration container.
|
| int | snd_pcm_sw_params_get_tstamp_mode (const snd_pcm_sw_params_t *params, snd_pcm_tstamp_t *val) |
| | Get timestamp mode from a software configuration container.
|
| int | snd_pcm_sw_params_set_avail_min (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) |
| | Set avail min inside a software configuration container.
|
| int | snd_pcm_sw_params_get_avail_min (const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) |
| | Get avail min from a software configuration container.
|
| int | snd_pcm_sw_params_set_period_event (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, int val) |
| | Set period event inside a software configuration container.
|
| int | snd_pcm_sw_params_get_period_event (const snd_pcm_sw_params_t *params, int *val) |
| | Get period event from a software configuration container.
|
| int | snd_pcm_sw_params_set_start_threshold (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) |
| | Set start threshold inside a software configuration container.
|
| int | snd_pcm_sw_params_get_start_threshold (const snd_pcm_sw_params_t *paramsm, snd_pcm_uframes_t *val) |
| | Get start threshold from a software configuration container.
|
| int | snd_pcm_sw_params_set_stop_threshold (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) |
| | Set stop threshold inside a software configuration container.
|
| int | snd_pcm_sw_params_get_stop_threshold (const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) |
| | Get stop threshold from a software configuration container.
|
| int | snd_pcm_sw_params_set_silence_threshold (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) |
| | Set silence threshold inside a software configuration container.
|
| int | snd_pcm_sw_params_get_silence_threshold (const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) |
| | Get silence threshold from a software configuration container.
|
| int | snd_pcm_sw_params_set_silence_size (snd_pcm_t *pcm, snd_pcm_sw_params_t *params, snd_pcm_uframes_t val) |
| | Set silence size inside a software configuration container.
|
| int | snd_pcm_sw_params_get_silence_size (const snd_pcm_sw_params_t *params, snd_pcm_uframes_t *val) |
| | Get silence size from a software configuration container.
|
| size_t | snd_pcm_access_mask_sizeof (void) |
| | get size of snd_pcm_access_mask_t
|
| int | snd_pcm_access_mask_malloc (snd_pcm_access_mask_t **ptr) |
| | allocate an empty snd_pcm_access_mask_t using standard malloc
|
| void | snd_pcm_access_mask_free (snd_pcm_access_mask_t *obj) |
| | frees a previously allocated snd_pcm_access_mask_t
|
| void | snd_pcm_access_mask_copy (snd_pcm_access_mask_t *dst, const snd_pcm_access_mask_t *src) |
| | copy one snd_pcm_access_mask_t to another
|
| void | snd_pcm_access_mask_none (snd_pcm_access_mask_t *mask) |
| | reset all bits in a snd_pcm_access_mask_t
|
| void | snd_pcm_access_mask_any (snd_pcm_access_mask_t *mask) |
| | set all bits in a snd_pcm_access_mask_t
|
| int | snd_pcm_access_mask_test (const snd_pcm_access_mask_t *mask, snd_pcm_access_t val) |
| | test the presence of an access type in a snd_pcm_access_mask_t
|
| int | snd_pcm_access_mask_empty (const snd_pcm_access_mask_t *mask) |
| | test, if given a snd_pcm_access_mask_t is empty
|
| void | snd_pcm_access_mask_set (snd_pcm_access_mask_t *mask, snd_pcm_access_t val) |
| | make an access type present in a snd_pcm_access_mask_t
|
| void | snd_pcm_access_mask_reset (snd_pcm_access_mask_t *mask, snd_pcm_access_t val) |
| | make an access type missing from a snd_pcm_access_mask_t
|
| size_t | snd_pcm_format_mask_sizeof (void) |
| | get size of snd_pcm_format_mask_t
|
| int | snd_pcm_format_mask_malloc (snd_pcm_format_mask_t **ptr) |
| | allocate an empty snd_pcm_format_mask_t using standard malloc
|
| void | snd_pcm_format_mask_free (snd_pcm_format_mask_t *obj) |
| | frees a previously allocated snd_pcm_format_mask_t
|
| void | snd_pcm_format_mask_copy (snd_pcm_format_mask_t *dst, const snd_pcm_format_mask_t *src) |
| | copy one snd_pcm_format_mask_t to another
|
| void | snd_pcm_format_mask_none (snd_pcm_format_mask_t *mask) |
| | reset all bits in a snd_pcm_format_mask_t
|
| void | snd_pcm_format_mask_any (snd_pcm_format_mask_t *mask) |
| | set all bits in a snd_pcm_format_mask_t
|
| int | snd_pcm_format_mask_test (const snd_pcm_format_mask_t *mask, snd_pcm_format_t val) |
| | test the presence of a format in a snd_pcm_format_mask_t
|
| int | snd_pcm_format_mask_empty (const snd_pcm_format_mask_t *mask) |
| | test, if given a snd_pcm_format_mask_t is empty
|
| void | snd_pcm_format_mask_set (snd_pcm_format_mask_t *mask, snd_pcm_format_t val) |
| | make a format present in a snd_pcm_format_mask_t
|
| void | snd_pcm_format_mask_reset (snd_pcm_format_mask_t *mask, snd_pcm_format_t val) |
| | make a format missing from a snd_pcm_format_mask_t
|
| size_t | snd_pcm_subformat_mask_sizeof (void) |
| | get size of snd_pcm_subformat_mask_t
|
| int | snd_pcm_subformat_mask_malloc (snd_pcm_subformat_mask_t **ptr) |
| | allocate an empty snd_pcm_subformat_mask_t using standard malloc
|
| void | snd_pcm_subformat_mask_free (snd_pcm_subformat_mask_t *obj) |
| | frees a previously allocated snd_pcm_subformat_mask_t
|
| void | snd_pcm_subformat_mask_copy (snd_pcm_subformat_mask_t *dst, const snd_pcm_subformat_mask_t *src) |
| | copy one snd_pcm_subformat_mask_t to another
|
| void | snd_pcm_subformat_mask_none (snd_pcm_subformat_mask_t *mask) |
| | reset all bits in a snd_pcm_subformat_mask_t
|
| void | snd_pcm_subformat_mask_any (snd_pcm_subformat_mask_t *mask) |
| | set all bits in a snd_pcm_subformat_mask_t
|
| int | snd_pcm_subformat_mask_test (const snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val) |
| | test the presence of a subformat in a snd_pcm_subformat_mask_t
|
| int | snd_pcm_subformat_mask_empty (const snd_pcm_subformat_mask_t *mask) |
| | test, if given a snd_pcm_subformat_mask_t is empty
|
| void | snd_pcm_subformat_mask_set (snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val) |
| | make a subformat present in a snd_pcm_subformat_mask_t
|
| void | snd_pcm_subformat_mask_reset (snd_pcm_subformat_mask_t *mask, snd_pcm_subformat_t val) |
| | make a subformat missing from a snd_pcm_subformat_mask_t
|
| size_t | snd_pcm_status_sizeof (void) |
| | get size of snd_pcm_status_t
|
| int | snd_pcm_status_malloc (snd_pcm_status_t **ptr) |
| | allocate an invalid snd_pcm_status_t using standard malloc
|
| void | snd_pcm_status_free (snd_pcm_status_t *obj) |
| | frees a previously allocated snd_pcm_status_t
|
| void | snd_pcm_status_copy (snd_pcm_status_t *dst, const snd_pcm_status_t *src) |
| | copy one snd_pcm_status_t to another
|
| snd_pcm_state_t | snd_pcm_status_get_state (const snd_pcm_status_t *obj) |
| | Get state from a PCM status container (see snd_pcm_state)
|
| void | snd_pcm_status_get_trigger_tstamp (const snd_pcm_status_t *obj, snd_timestamp_t *ptr) |
| | Get trigger timestamp from a PCM status container.
|
| void | snd_pcm_status_get_trigger_htstamp (const snd_pcm_status_t *obj, snd_htimestamp_t *ptr) |
| | Get trigger hi-res timestamp from a PCM status container.
|
| void | snd_pcm_status_get_tstamp (const snd_pcm_status_t *obj, snd_timestamp_t *ptr) |
| | Get "now" timestamp from a PCM status container.
|
| void | snd_pcm_status_get_htstamp (const snd_pcm_status_t *obj, snd_htimestamp_t *ptr) |
| | Get "now" hi-res timestamp from a PCM status container.
|
| snd_pcm_sframes_t | snd_pcm_status_get_delay (const snd_pcm_status_t *obj) |
| | Get delay from a PCM status container (see snd_pcm_delay)
|
| snd_pcm_uframes_t | snd_pcm_status_get_avail (const snd_pcm_status_t *obj) |
| | Get number of frames available from a PCM status container (see snd_pcm_avail_update)
|
| snd_pcm_uframes_t | snd_pcm_status_get_avail_max (const snd_pcm_status_t *obj) |
| | Get maximum number of frames available from a PCM status container after last snd_pcm_status call.
|
| snd_pcm_uframes_t | snd_pcm_status_get_overrange (const snd_pcm_status_t *obj) |
| | Get count of ADC overrange detections since last call.
|
| const char * | snd_pcm_type_name (snd_pcm_type_t type) |
| | get name of PCM type
|
| const char * | snd_pcm_stream_name (const snd_pcm_stream_t stream) |
| | get name of PCM stream type
|
| const char * | snd_pcm_access_name (const snd_pcm_access_t _access) |
| | get name of PCM access type
|
| const char * | snd_pcm_format_name (const snd_pcm_format_t format) |
| | get name of PCM sample format
|
| const char * | snd_pcm_format_description (const snd_pcm_format_t format) |
| | get description of PCM sample format
|
| const char * | snd_pcm_subformat_name (const snd_pcm_subformat_t subformat) |
| | get name of PCM sample subformat
|
| const char * | snd_pcm_subformat_description (const snd_pcm_subformat_t subformat) |
| | get description of PCM sample subformat
|
| snd_pcm_format_t | snd_pcm_format_value (const char *name) |
| | get PCM sample format from name
|
| const char * | snd_pcm_tstamp_mode_name (const snd_pcm_tstamp_t mode) |
| | get name of PCM tstamp mode setting
|
| const char * | snd_pcm_state_name (const snd_pcm_state_t state) |
| | get name of PCM state
|
| int | snd_pcm_dump (snd_pcm_t *pcm, snd_output_t *out) |
| | Dump PCM info.
|
| int | snd_pcm_dump_hw_setup (snd_pcm_t *pcm, snd_output_t *out) |
| | Dump current hardware setup for PCM.
|
| int | snd_pcm_dump_sw_setup (snd_pcm_t *pcm, snd_output_t *out) |
| | Dump current software setup for PCM.
|
| int | snd_pcm_dump_setup (snd_pcm_t *pcm, snd_output_t *out) |
| | Dump current setup (hardware and software) for PCM.
|
| int | snd_pcm_hw_params_dump (snd_pcm_hw_params_t *params, snd_output_t *out) |
| | Dump a PCM hardware configuration space.
|
| int | snd_pcm_sw_params_dump (snd_pcm_sw_params_t *params, snd_output_t *out) |
| | Dump a software configuration.
|
| int | snd_pcm_status_dump (snd_pcm_status_t *status, snd_output_t *out) |
| | Dump status.
|
| int | snd_pcm_mmap_begin (snd_pcm_t *pcm, const snd_pcm_channel_area_t **areas, snd_pcm_uframes_t *offset, snd_pcm_uframes_t *frames) |
| | Application request to access a portion of direct (mmap) area.
|
| snd_pcm_sframes_t | snd_pcm_mmap_commit (snd_pcm_t *pcm, snd_pcm_uframes_t offset, snd_pcm_uframes_t frames) |
| | Application has completed the access to area requested with snd_pcm_mmap_begin.
|
| snd_pcm_sframes_t | snd_pcm_mmap_writei (snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size) |
| | Write interleaved frames to a PCM using direct buffer (mmap)
|
| snd_pcm_sframes_t | snd_pcm_mmap_readi (snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size) |
| | Read interleaved frames from a PCM using direct buffer (mmap)
|
| snd_pcm_sframes_t | snd_pcm_mmap_writen (snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size) |
| | Write non interleaved frames to a PCM using direct buffer (mmap)
|
| snd_pcm_sframes_t | snd_pcm_mmap_readn (snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size) |
| | Read non interleaved frames to a PCM using direct buffer (mmap)
|
| int | snd_pcm_format_signed (snd_pcm_format_t format) |
| | Return sign info for a PCM sample linear format.
|
| int | snd_pcm_format_unsigned (snd_pcm_format_t format) |
| | Return sign info for a PCM sample linear format.
|
| int | snd_pcm_format_linear (snd_pcm_format_t format) |
| | Return linear info for a PCM sample format.
|
| int | snd_pcm_format_float (snd_pcm_format_t format) |
| | Return float info for a PCM sample format.
|
| int | snd_pcm_format_little_endian (snd_pcm_format_t format) |
| | Return endian info for a PCM sample format.
|
| int | snd_pcm_format_big_endian (snd_pcm_format_t format) |
| | Return endian info for a PCM sample format.
|
| int | snd_pcm_format_cpu_endian (snd_pcm_format_t format) |
| | Return endian info for a PCM sample format.
|
| int | snd_pcm_format_width (snd_pcm_format_t format) |
| | Return nominal bits per a PCM sample.
|
| int | snd_pcm_format_physical_width (snd_pcm_format_t format) |
| | Return bits needed to store a PCM sample.
|
| snd_pcm_format_t | snd_pcm_build_linear_format (int width, int pwidth, int unsignd, int big_endian) |
| | Compose a PCM sample linear format.
|
| ssize_t | snd_pcm_format_size (snd_pcm_format_t format, size_t samples) |
| | Return bytes needed to store a quantity of PCM sample.
|
| u_int8_t | snd_pcm_format_silence (snd_pcm_format_t format) |
| | Return 8 bit expressing silence for a PCM sample format.
|
| u_int16_t | snd_pcm_format_silence_16 (snd_pcm_format_t format) |
| | Return 16 bit expressing silence for a PCM sample format.
|
| u_int32_t | snd_pcm_format_silence_32 (snd_pcm_format_t format) |
| | Return 32 bit expressing silence for a PCM sample format.
|
| u_int64_t | snd_pcm_format_silence_64 (snd_pcm_format_t format) |
| | Return 64 bit expressing silence for a PCM sample format.
|
| int | snd_pcm_format_set_silence (snd_pcm_format_t format, void *buf, unsigned int samples) |
| | Silence a PCM samples buffer.
|
| snd_pcm_sframes_t | snd_pcm_bytes_to_frames (snd_pcm_t *pcm, ssize_t bytes) |
| | Convert bytes in frames for a PCM.
|
| ssize_t | snd_pcm_frames_to_bytes (snd_pcm_t *pcm, snd_pcm_sframes_t frames) |
| | Convert frames in bytes for a PCM.
|
| long | snd_pcm_bytes_to_samples (snd_pcm_t *pcm, ssize_t bytes) |
| | Convert bytes in samples for a PCM.
|
| ssize_t | snd_pcm_samples_to_bytes (snd_pcm_t *pcm, long samples) |
| | Convert samples in bytes for a PCM.
|
| int | snd_pcm_area_silence (const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset, unsigned int samples, snd_pcm_format_t format) |
| | Silence an area.
|
| int | snd_pcm_areas_silence (const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset, unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format) |
| | Silence one or more areas.
|
| int | snd_pcm_area_copy (const snd_pcm_channel_area_t *dst_channel, snd_pcm_uframes_t dst_offset, const snd_pcm_channel_area_t *src_channel, snd_pcm_uframes_t src_offset, unsigned int samples, snd_pcm_format_t format) |
| | Copy an area.
|
| int | snd_pcm_areas_copy (const snd_pcm_channel_area_t *dst_channels, snd_pcm_uframes_t dst_offset, const snd_pcm_channel_area_t *src_channels, snd_pcm_uframes_t src_offset, unsigned int channels, snd_pcm_uframes_t frames, snd_pcm_format_t format) |
| | Copy one or more areas.
|
| snd_pcm_t * | snd_pcm_hook_get_pcm (snd_pcm_hook_t *hook) |
| | Get PCM handle for a PCM hook.
|
| void * | snd_pcm_hook_get_private (snd_pcm_hook_t *hook) |
| | Get callback function private data for a PCM hook.
|
| void | snd_pcm_hook_set_private (snd_pcm_hook_t *hook, void *private_data) |
| | Set callback function private data for a PCM hook.
|
| int | snd_pcm_hook_add (snd_pcm_hook_t **hookp, snd_pcm_t *pcm, snd_pcm_hook_type_t type, snd_pcm_hook_func_t func, void *private_data) |
| | Add a PCM hook at end of hooks chain.
|
| int | snd_pcm_hook_remove (snd_pcm_hook_t *hook) |
| | Remove a PCM hook.
|
| snd_pcm_uframes_t | snd_pcm_meter_get_bufsize (snd_pcm_t *pcm) |
| | Get meter buffer size from a SND_PCM_TYPE_METER PCM.
|
| unsigned int | snd_pcm_meter_get_channels (snd_pcm_t *pcm) |
| | Get meter channels from a SND_PCM_TYPE_METER PCM.
|
| unsigned int | snd_pcm_meter_get_rate (snd_pcm_t *pcm) |
| | Get meter rate from a SND_PCM_TYPE_METER PCM.
|
| snd_pcm_uframes_t | snd_pcm_meter_get_now (snd_pcm_t *pcm) |
| | Get meter "now" frame pointer from a SND_PCM_TYPE_METER PCM.
|
| snd_pcm_uframes_t | snd_pcm_meter_get_boundary (snd_pcm_t *pcm) |
| | Get boundary for frame pointers from a SND_PCM_TYPE_METER PCM.
|
| int | snd_pcm_meter_add_scope (snd_pcm_t *pcm, snd_pcm_scope_t *scope) |
| | Add a scope to a SND_PCM_TYPE_METER PCM.
|
| snd_pcm_scope_t * | snd_pcm_meter_search_scope (snd_pcm_t *pcm, const char *name) |
| | Search an installed scope inside a SND_PCM_TYPE_METER PCM.
|
| int | snd_pcm_scope_malloc (snd_pcm_scope_t **ptr) |
| | allocate an invalid snd_pcm_scope_t using standard malloc
|
| void | snd_pcm_scope_set_ops (snd_pcm_scope_t *scope, const snd_pcm_scope_ops_t *val) |
| | Set callbacks for a SND_PCM_TYPE_METER PCM scope.
|
| void | snd_pcm_scope_set_name (snd_pcm_scope_t *scope, const char *val) |
| | Set name of a SND_PCM_TYPE_METER PCM scope.
|
| const char * | snd_pcm_scope_get_name (snd_pcm_scope_t *scope) |
| | Get name of a SND_PCM_TYPE_METER PCM scope.
|
| void * | snd_pcm_scope_get_callback_private (snd_pcm_scope_t *scope) |
| | Get callbacks private value for a SND_PCM_TYPE_METER PCM scope.
|
| void | snd_pcm_scope_set_callback_private (snd_pcm_scope_t *scope, void *val) |
| | Get callbacks private value for a SND_PCM_TYPE_METER PCM scope.
|
| int | snd_pcm_scope_s16_open (snd_pcm_t *pcm, const char *name, snd_pcm_scope_t **scopep) |
| | Add a s16 pseudo scope to a SND_PCM_TYPE_METER PCM.
|
| int16_t * | snd_pcm_scope_s16_get_channel_buffer (snd_pcm_scope_t *scope, unsigned int channel) |
| | Get s16 pseudo scope frames buffer for a channel.
|
| int | snd_spcm_init (snd_pcm_t *pcm, unsigned int rate, unsigned int channels, snd_pcm_format_t format, snd_pcm_subformat_t subformat, snd_spcm_latency_t latency, snd_pcm_access_t _access, snd_spcm_xrun_type_t xrun_type) |
| | Set up a simple PCM.
|
| int | snd_spcm_init_duplex (snd_pcm_t *playback_pcm, snd_pcm_t *capture_pcm, unsigned int rate, unsigned int channels, snd_pcm_format_t format, snd_pcm_subformat_t subformat, snd_spcm_latency_t latency, snd_pcm_access_t _access, snd_spcm_xrun_type_t xrun_type, snd_spcm_duplex_type_t duplex_type) |
| | Initialize simple PCMs in the duplex mode.
|
| int | snd_spcm_init_get_params (snd_pcm_t *pcm, unsigned int *rate, snd_pcm_uframes_t *buffer_size, snd_pcm_uframes_t *period_size) |
| | Get the set up of simple PCM.
|
| const char * | snd_pcm_start_mode_name (snd_pcm_start_t mode) __attribute__((deprecated)) |
| | (DEPRECATED) get name of PCM start mode setting
|
| const char * | snd_pcm_xrun_mode_name (snd_pcm_xrun_t mode) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (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) __attribute__((deprecated)) |
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space
|
snd_pcm_hw_params_t *params, unsigned int *val, int *dir) __attribute__((deprecated))
| | (DEPRECATED) Extract tick time from a configuration space |
