source_api.h File Reference

Audio source API helpers and stream configuration. More...

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Functions
void	source_init (struct sof_source *source, const struct source_ops *ops, struct sof_audio_stream_params *audio_stream_params)
	Initialize source API structure before any operation.
size_t	source_get_num_of_processed_bytes (struct sof_source *source)
	Get total number of bytes processed by the source (freed by source_release_data()).
void	source_reset_num_of_processed_bytes (struct sof_source *source)
	Reset counter of total processed bytes to zero.
bool	source_get_underrun (struct sof_source *source)
	Check if buffer underrun is permitted on source stream.
uint32_t	source_get_id (struct sof_source *source)
	Get unique stream identifier for source.
int	source_set_frm_fmt (struct sof_source *source, enum sof_ipc_frame frm_fmt)
	Set audio frame format for source.
int	source_set_valid_fmt (struct sof_source *source, enum sof_ipc_frame valid_sample_fmt)
	Set valid sample format for source.
int	source_set_rate (struct sof_source *source, unsigned int rate)
	Set sample rate for source.
int	source_set_channels (struct sof_source *source, unsigned int channels)
	Set channel count for source.
int	source_set_underrun (struct sof_source *source, bool underrun_permitted)
	Configure whether underrun is permitted on source.
int	source_set_buffer_fmt (struct sof_source *source, uint32_t buffer_fmt)
	Set buffer format for source.
void	source_set_min_available (struct sof_source *source, size_t min_available)
	Set minimum available data requirement in bytes.
int	source_set_params (struct sof_source *source, struct sof_ipc_stream_params *params, bool force_update)
	Configure initial set of audio parameters.
int	source_set_alignment_constants (struct sof_source *source, const uint32_t byte_align, const uint32_t frame_align_req)
	Set byte and frame alignment constants for source stream.

Detailed Description

Audio source API helpers and stream configuration.