Data Structures
struct	aserver_message_t

struct	lives_audio_buf_t

Macros
#define	SAMPLE_MAX_16BIT_P 32767.0f

#define	SAMPLE_MAX_16BIT_N 32768.0f

#define	SAMPLE_MAX_16BITI 32768

#define	SWAP_U_TO_S 1
	sign swapping More...

#define	SWAP_S_TO_U 2
	signed to unsigned More...

#define	SWAP_X_TO_L 1
	endian swapping More...

#define	SWAP_L_TO_X 2
	local to other More...

#define	DEFAULT_AUDIO_RATE 44100
	defaults for when not specifed More...

#define	DEFAULT_AUDIO_CHANS 2

#define	DEFAULT_AUDIO_SAMPS 16

#define	DEFAULT_AUDIO_SIGNED8 (AFORM_UNSIGNED)

#define	DEFAULT_AUDIO_SIGNED16 (!AFORM_UNSIGNED)

#define	LIVES_ACONNECT_TIMEOUT (10 * U_SEC)
	KO time before declaring audio server dead. More...

#define	MAX_AUDIO_MEM 810241024
	TODO ** - make configurable - audio buffer size for rendering. More...

#define	RENDER_BLOCK_SIZE 1024
	chunk size for interpolate/effect cycle More...

#define	SILENCE_BLOCK_SIZE 65536
	size of silent block in bytes More...

#define	READ_BLOCK_SIZE 4096
	chunk size for audio buffer reads More...

#define	XSAMPLES 128000
	buffer size for realtime audio More...

#define	ASERVER_CMD_PROCESSED 0
	asynch msging More...

#define	ASERVER_CMD_FILE_OPEN 1

#define	ASERVER_CMD_FILE_CLOSE 2

#define	ASERVER_CMD_FILE_SEEK 3

Enumerations
enum	lives_operation_t { LIVES_NOP_OPERATION =0, LIVES_READ_OPERATION, LIVES_WRITE_OPERATION, LIVES_CONVERT_OPERATION }

enum	lives_audio_loop_t { AUDIO_LOOP_NONE, AUDIO_LOOP_FORWARD, AUDIO_LOOP_PINGPONG }

enum	lives_rec_audio_type_t { RECA_WINDOW_GRAB, RECA_NEW_CLIP, RECA_EXISTING, RECA_EXTERNAL, RECA_GENERATED }

Functions
void	sample_silence_dS (float *dst, uint64_t nsamples)

void	sample_move_d8_d16 (short dst, uint8_t src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign)

void	sample_move_d16_d16 (short dst, short src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_endian, int swap_sign)

void	sample_move_d16_d8 (uint8_t dst, short src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign)

void	sample_move_d16_float (float dst, short src, uint64_t nsamples, uint64_t src_skip, int is_unsigned, boolean rev_endian, float vol)

int64_t	sample_move_float_int (void holding_buff, float *float_buffer, int nsamps, float scale, int chans, int asamps, int usigned, boolean swap_endian, boolean float_interleaved, float vol)
	returns frames output More...

int64_t	sample_move_abuf_float (float **obuf, int nchans, int nsamps, int out_arate, float vol)

int64_t	sample_move_abuf_int16 (short *obuf, int nchans, int nsamps, int out_arate)

void	sample_move_float_float (float dst, float src, uint64_t nsamples, float scale, int dst_skip)

boolean	float_deinterleave (float *fbuffer, int nsamps, int nchans)

boolean	float_interleave (float *fbuffer, int nsamps, int nchans)

int64_t	render_audio_segment (int nfiles, int from_files, int to_file, double avels, double fromtime, weed_timecode_t tc_start, weed_timecode_t tc_end, double chvol, double opvol_start, double opvol_end, lives_audio_buf_t *obuf)

void	aud_fade (int fileno, double startt, double endt, double startv, double endv)
	fade in/fade out More...

void	fill_abuffer_from (lives_audio_buf_t abuf, weed_plant_t event_list, weed_plant_t *st_event, boolean exact)

boolean	resync_audio (int frameno)

lives_audio_track_state_t *	get_audio_and_effects_state_at (weed_plant_t event_list, weed_plant_t st_event, boolean get_audstate, boolean exact)

boolean	get_audio_from_plugin (float *fbuffer, int nchans, int arate, int nsamps)

void	reinit_audio_gen (void)

void	init_jack_audio_buffers (int achans, int arate, boolean exact)

void	free_jack_audio_buffers (void)

void	init_pulse_audio_buffers (int achans, int arate, boolean exact)

void	free_pulse_audio_buffers (void)

void	audio_free_fnames (void)

lives_audio_buf_t *	audio_cache_init (void)

void	audio_cache_end (void)

lives_audio_buf_t *	audio_cache_get_buffer (void)

boolean	apply_rte_audio_init (void)

void	apply_rte_audio_end (boolean del)

boolean	apply_rte_audio (int nframes)

void	init_audio_frame_buffer (short aplayer)

void	free_audio_frame_buffer (lives_audio_buf_t *abuf)

void	append_to_audio_bufferf (lives_audio_buf_t abuf, float src, uint64_t nsamples, int channum)

void	append_to_audio_buffer16 (lives_audio_buf_t abuf, void src, uint64_t nsamples, int channum)

boolean	push_audio_to_channel (weed_plant_t achan, lives_audio_buf_t abuf)

boolean	start_audio_stream (void)

void	stop_audio_stream (void)

void	clear_audio_stream (void)

void	audio_stream (void *buff, size_t nbytes, int fd)

Macro Definition Documentation

#define ASERVER_CMD_FILE_CLOSE 2

#define ASERVER_CMD_FILE_OPEN 1

#define ASERVER_CMD_FILE_SEEK 3

#define ASERVER_CMD_PROCESSED 0

asynch msging

#define DEFAULT_AUDIO_CHANS 2

#define DEFAULT_AUDIO_RATE 44100

defaults for when not specifed

#define DEFAULT_AUDIO_SAMPS 16

#define DEFAULT_AUDIO_SIGNED16 (!AFORM_UNSIGNED)

#define DEFAULT_AUDIO_SIGNED8 (AFORM_UNSIGNED)

#define LIVES_ACONNECT_TIMEOUT (10 * U_SEC)

KO time before declaring audio server dead.

#define MAX_AUDIO_MEM 8*1024*1024

TODO ** - make configurable - audio buffer size for rendering.

#define READ_BLOCK_SIZE 4096

chunk size for audio buffer reads

#define RENDER_BLOCK_SIZE 1024

chunk size for interpolate/effect cycle

#define SAMPLE_MAX_16BIT_N 32768.0f

#define SAMPLE_MAX_16BIT_P 32767.0f

#define SAMPLE_MAX_16BITI 32768

#define SILENCE_BLOCK_SIZE 65536

size of silent block in bytes

#define SWAP_L_TO_X 2

local to other

#define SWAP_S_TO_U 2

signed to unsigned

#define SWAP_U_TO_S 1

sign swapping

unsigned to signed

#define SWAP_X_TO_L 1

endian swapping

other to local

#define XSAMPLES 128000

buffer size for realtime audio

Enumeration Type Documentation

enum lives_audio_loop_t

Enumerator
AUDIO_LOOP_NONE
AUDIO_LOOP_FORWARD
AUDIO_LOOP_PINGPONG

enum lives_operation_t

Enumerator
LIVES_NOP_OPERATION
LIVES_READ_OPERATION
LIVES_WRITE_OPERATION
LIVES_CONVERT_OPERATION

enum lives_rec_audio_type_t

Enumerator
RECA_WINDOW_GRAB
RECA_NEW_CLIP
RECA_EXISTING
RECA_EXTERNAL
RECA_GENERATED

Function Documentation

void append_to_audio_buffer16	(	lives_audio_buf_t *	abuf,
		void *	src,
		uint64_t	nsamples,
		int	channum
	)

void append_to_audio_bufferf	(	lives_audio_buf_t *	abuf,
		float *	src,
		uint64_t	nsamples,
		int	channum
	)

boolean apply_rte_audio ( int nframes )

void apply_rte_audio_end ( boolean del )

boolean apply_rte_audio_init ( void )

void aud_fade	(	int	fileno,
		double	startt,
		double	endt,
		double	startv,
		double	endv
	)

fade in/fade out

void audio_cache_end ( void )

< tell cache thread to exit when possible

lives_audio_buf_t* audio_cache_get_buffer ( void )

lives_audio_buf_t* audio_cache_init ( void )

void audio_free_fnames ( void )

void audio_stream	(	void *	buff,
		size_t	nbytes,
		int	fd
	)

void clear_audio_stream ( void )

void fill_abuffer_from	(	lives_audio_buf_t *	abuf,
		weed_plant_t *	event_list,
		weed_plant_t *	st_event,
		boolean	exact
	)

boolean float_deinterleave	(	float *	fbuffer,
		int	nsamps,
		int	nchans
	)

boolean float_interleave	(	float *	fbuffer,
		int	nsamps,
		int	nchans
	)

void free_audio_frame_buffer ( lives_audio_buf_t * abuf )

void free_jack_audio_buffers ( void )

void free_pulse_audio_buffers ( void )

lives_audio_track_state_t* get_audio_and_effects_state_at	(	weed_plant_t *	event_list,
		weed_plant_t *	st_event,
		boolean	get_audstate,
		boolean	exact
	)

boolean get_audio_from_plugin	(	float *	fbuffer,
		int	nchans,
		int	arate,
		int	nsamps
	)

void init_audio_frame_buffer ( short aplayer )

void init_jack_audio_buffers	(	int	achans,
		int	arate,
		boolean	exact
	)

void init_pulse_audio_buffers	(	int	achans,
		int	arate,
		boolean	exact
	)

boolean push_audio_to_channel	(	weed_plant_t *	achan,
		lives_audio_buf_t *	abuf
	)

void reinit_audio_gen ( void )

int64_t render_audio_segment	(	int	nfiles,
		int *	from_files,
		int	to_file,
		double *	avels,
		double *	fromtime,
		weed_timecode_t	tc_start,
		weed_timecode_t	tc_end,
		double *	chvol,
		double	opvol_start,
		double	opvol_end,
		lives_audio_buf_t *	obuf
	)

boolean resync_audio ( int frameno )

int64_t sample_move_abuf_float	(	float **	obuf,
		int	nchans,
		int	nsamps,
		int	out_arate,
		float	vol
	)

int64_t sample_move_abuf_int16	(	short *	obuf,
		int	nchans,
		int	nsamps,
		int	out_arate
	)

void sample_move_d16_d16	(	short *	dst,
		short *	src,
		uint64_t	nsamples,
		size_t	tbytes,
		float	scale,
		int	nDstChannels,
		int	nSrcChannels,
		int	swap_endian,
		int	swap_sign
	)

void sample_move_d16_d8	(	uint8_t *	dst,
		short *	src,
		uint64_t	nsamples,
		size_t	tbytes,
		float	scale,
		int	nDstChannels,
		int	nSrcChannels,
		int	swap_sign
	)

void sample_move_d16_float	(	float *	dst,
		short *	src,
		uint64_t	nsamples,
		uint64_t	src_skip,
		int	is_unsigned,
		boolean	rev_endian,
		float	vol
	)

void sample_move_d8_d16	(	short *	dst,
		uint8_t *	src,
		uint64_t	nsamples,
		size_t	tbytes,
		float	scale,
		int	nDstChannels,
		int	nSrcChannels,
		int	swap_sign
	)

void sample_move_float_float	(	float *	dst,
		float *	src,
		uint64_t	nsamples,
		float	scale,
		int	dst_skip
	)

int64_t sample_move_float_int	(	void *	holding_buff,
		float **	float_buffer,
		int	nsamps,
		float	scale,
		int	chans,
		int	asamps,
		int	usigned,
		boolean	swap_endian,
		boolean	float_interleaved,
		float	vol
	)

returns frames output

void sample_silence_dS	(	float *	dst,
		uint64_t	nsamples
	)

boolean start_audio_stream ( void )

void stop_audio_stream ( void )

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation