src/audio.c File Reference

#include <sys/types.h>
#include <sys/stat.h>
#include "main.h"
#include "audio.h"
#include "events.h"
#include "callbacks.h"
#include "effects-weed.h"
#include "support.h"
#include "../libweed/weed.h"
#include "../libweed/weed-host.h"
#include "../libweed/weed-palettes.h"

Defines
#define	NSTOREDFDS   16
Functions
void	audio_free_fnames (void)
LIVES_INLINE void	sample_silence_dS (float *dst, unsigned long nsamples)
void	sample_move_d8_d16 (short *dst, unsigned char *src, unsigned long nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign)
void	sample_move_d16_d16 (short *dst, short *src, unsigned long 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, unsigned long nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign)
void	sample_move_d16_float (float *dst, short *src, unsigned long nsamples, unsigned long src_skip, int is_unsigned, float vol)
long	sample_move_float_int (void *holding_buff, float **float_buffer, int nsamps, float scale, int chans, int asamps, int usigned, gboolean swap_endian, float vol)
	returns frames output
long	sample_move_abuf_float (float **obuf, int nchans, int nsamps, int out_arate, float vol)
long	sample_move_abuf_int16 (short *obuf, int nchans, int nsamps, int out_arate)
long	render_audio_segment (gint nfiles, gint *from_files, gint to_file, gdouble *avels, gdouble *fromtime, weed_timecode_t tc_start, weed_timecode_t tc_end, gdouble *chvol, gdouble opvol_start, gdouble opvol_end, lives_audio_buf_t *obuf)
void	aud_fade (gint fileno, gdouble startt, gdouble endt, gdouble startv, gdouble endv)
	fade in/fade out
lives_audio_track_state_t *	get_audio_and_effects_state_at (weed_plant_t *event_list, weed_plant_t *st_event, gboolean get_audstate, gboolean exact)
void	fill_abuffer_from (lives_audio_buf_t *abuf, weed_plant_t *event_list, weed_plant_t *st_event, gboolean exact)
void	init_jack_audio_buffers (gint achans, gint arate, gboolean exact)
void	init_pulse_audio_buffers (gint achans, gint arate, gboolean exact)
void	free_jack_audio_buffers (void)
void	free_pulse_audio_buffers (void)
gboolean	resync_audio (gint frameno)
lives_audio_buf_t *	audio_cache_init (void)
void	audio_cache_end (void)
lives_audio_buf_t *	audio_cache_get_buffer (void)
gboolean	start_audio_stream (void)
void	stop_audio_stream (void)
void	clear_audio_stream (void)
LIVES_INLINE void	audio_stream (void *buff, size_t nbytes, int fd)

---

Define Documentation

#define NSTOREDFDS   16

---

Function Documentation

void aud_fade	(	gint	fileno,
		gdouble	startt,
		gdouble	endt,
		gdouble	startv,
		gdouble	endv
	)		[inline]

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

)

LIVES_INLINE 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,
		gboolean	exact
	)

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,
		gboolean	get_audstate,
		gboolean	exact
	)

void init_jack_audio_buffers	(	gint	achans,
		gint	arate,
		gboolean	exact
	)

void init_pulse_audio_buffers	(	gint	achans,
		gint	arate,
		gboolean	exact
	)

long render_audio_segment	(	gint	nfiles,
		gint *	from_files,
		gint	to_file,
		gdouble *	avels,
		gdouble *	fromtime,
		weed_timecode_t	tc_start,
		weed_timecode_t	tc_end,
		gdouble *	chvol,
		gdouble	opvol_start,
		gdouble	opvol_end,
		lives_audio_buf_t *	obuf
	)

gboolean resync_audio

(

gint

frameno

)

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

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

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

void sample_move_d16_float	(	float *	dst,
		short *	src,
		unsigned long	nsamples,
		unsigned long	src_skip,
		int	is_unsigned,
		float	vol
	)

void sample_move_d8_d16	(	short *	dst,
		unsigned char *	src,
		unsigned long	nsamples,
		size_t	tbytes,
		float	scale,
		int	nDstChannels,
		int	nSrcChannels,
		int	swap_sign
	)

long sample_move_float_int	(	void *	holding_buff,
		float **	float_buffer,
		int	nsamps,
		float	scale,
		int	chans,
		int	asamps,
		int	usigned,
		gboolean	swap_endian,
		float	vol
	)

returns frames output

LIVES_INLINE void sample_silence_dS	(	float *	dst,
		unsigned long	nsamples
	)

gboolean start_audio_stream

(

void

)

void stop_audio_stream

(

void

)