opus_encoder.c File Reference

#include <stdarg.h>
#include "celt.h"
#include "entenc.h"
#include "modes.h"
#include "API.h"
#include "stack_alloc.h"
#include "float_cast.h"
#include "opus.h"
#include "arch.h"
#include "pitch.h"
#include "opus_private.h"
#include "os_support.h"
#include "cpu_support.h"
#include "analysis.h"
#include "mathops.h"
#include "tuning_parameters.h"
#include "float/structs_FLP.h"

Classes
struct	StereoWidthState
struct	OpusEncoder

Macros
#define	MAX_ENCODER_BUFFER   480
#define	OPUS_ENCODER_RESET_START   stream_channels
#define	MAX_DYNAMIC_FRAMESIZE   24
#define	PCM2VAL(x)   SCALEIN(x)

Functions
int	opus_encoder_get_size (int channels)
int	opus_encoder_init (OpusEncoder *st, opus_int32 Fs, int channels, int application)
OpusEncoder *	opus_encoder_create (opus_int32 Fs, int channels, int application, int *error)
void	downmix_float (const void *_x, opus_val32 *sub, int subframe, int offset, int c1, int c2, int C)
void	downmix_int (const void *_x, opus_val32 *sub, int subframe, int offset, int c1, int c2, int C)
opus_int32	frame_size_select (opus_int32 frame_size, int variable_duration, opus_int32 Fs)
opus_int32	compute_frame_size (const void *analysis_pcm, int frame_size, int variable_duration, int C, opus_int32 Fs, int bitrate_bps, int delay_compensation, downmix_func downmix, float *subframe_mem)
opus_val16	compute_stereo_width (const opus_val16 *pcm, int frame_size, opus_int32 Fs, StereoWidthState *mem)
opus_int32	opus_encode_native (OpusEncoder *st, const opus_val16 *pcm, int frame_size, unsigned char *data, opus_int32 out_data_bytes, int lsb_depth, const void *analysis_pcm, opus_int32 analysis_size, int c1, int c2, int analysis_channels, downmix_func downmix, int float_api)
opus_int32	opus_encode (OpusEncoder *st, const opus_int16 *pcm, int analysis_frame_size, unsigned char *data, opus_int32 max_data_bytes)
opus_int32	opus_encode_float (OpusEncoder *st, const float *pcm, int analysis_frame_size, unsigned char *data, opus_int32 out_data_bytes)
int	opus_encoder_ctl (OpusEncoder *st, int request,...)
void	opus_encoder_destroy (OpusEncoder *st)

Macro Definition Documentation

MAX_DYNAMIC_FRAMESIZE

#define MAX_DYNAMIC_FRAMESIZE   24

MAX_ENCODER_BUFFER

#define MAX_ENCODER_BUFFER   480

OPUS_ENCODER_RESET_START

#define OPUS_ENCODER_RESET_START   stream_channels

PCM2VAL

#define PCM2VAL

(

x

)

SCALEIN(x)

Function Documentation

compute_frame_size()

opus_int32 compute_frame_size	(	const void *	analysis_pcm,
		int	frame_size,
		int	variable_duration,
		int	C,
		opus_int32	Fs,
		int	bitrate_bps,
		int	delay_compensation,
		downmix_func	downmix,
		float *	subframe_mem
	)

compute_stereo_width()

opus_val16 compute_stereo_width	(	const opus_val16 *	pcm,
		int	frame_size,
		opus_int32	Fs,
		StereoWidthState *	mem
	)

downmix_float()

void downmix_float	(	const void *	_x,
		opus_val32 *	sub,
		int	subframe,
		int	offset,
		int	c1,
		int	c2,
		int	C
	)

downmix_int()

void downmix_int	(	const void *	_x,
		opus_val32 *	sub,
		int	subframe,
		int	offset,
		int	c1,
		int	c2,
		int	C
	)

frame_size_select()

opus_int32 frame_size_select	(	opus_int32	frame_size,
		int	variable_duration,
		opus_int32	Fs
	)

opus_encode_native()

opus_int32 opus_encode_native	(	OpusEncoder *	st,
		const opus_val16 *	pcm,
		int	frame_size,
		unsigned char *	data,
		opus_int32	out_data_bytes,
		int	lsb_depth,
		const void *	analysis_pcm,
		opus_int32	analysis_size,
		int	c1,
		int	c2,
		int	analysis_channels,
		downmix_func	downmix,
		int	float_api
	)