opus_celt.c File Reference

Opus CELT decoder. More...

#include "opus_celt.h"
#include "opustab.h"
#include "opus_pvq.h"

Go to the source code of this file.

Functions
static void	celt_decode_coarse_energy (CeltFrame *f, OpusRangeCoder *rc)
static void	celt_decode_fine_energy (CeltFrame *f, OpusRangeCoder *rc)
static void	celt_decode_final_energy (CeltFrame *f, OpusRangeCoder *rc)
static void	celt_decode_tf_changes (CeltFrame *f, OpusRangeCoder *rc)
static void	celt_decode_allocation (CeltFrame *f, OpusRangeCoder *rc)
static void	celt_denormalize (CeltFrame *f, CeltBlock *block, float *data)
static void	celt_postfilter_apply_transition (CeltBlock *block, float *data)
static void	celt_postfilter_apply (CeltBlock *block, float *data, int len)
static void	celt_postfilter (CeltFrame *f, CeltBlock *block)
static int	parse_postfilter (CeltFrame *f, OpusRangeCoder *rc, int consumed)
static void	process_anticollapse (CeltFrame *f, CeltBlock *block, float *X)
static void	celt_decode_bands (CeltFrame *f, OpusRangeCoder *rc)
int	ff_celt_decode_frame (CeltFrame *f, OpusRangeCoder *rc, float **output, int channels, int frame_size, int start_band, int end_band)
void	ff_celt_flush (CeltFrame *f)
void	ff_celt_free (CeltFrame **f)
int	ff_celt_init (AVCodecContext *avctx, CeltFrame **f, int output_channels)

Detailed Description

Opus CELT decoder.

Definition in file opus_celt.c.

Function Documentation

static void celt_decode_coarse_energy ( CeltFrame *  f, OpusRangeCoder *  rc  )

static

Definition at line 34 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static void celt_decode_fine_energy ( CeltFrame *  f, OpusRangeCoder *  rc  )

static

Definition at line 78 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static void celt_decode_final_energy ( CeltFrame *  f, OpusRangeCoder *  rc  )

static

Definition at line 97 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static void celt_decode_tf_changes ( CeltFrame *  f, OpusRangeCoder *  rc  )

static

Definition at line 119 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static void celt_decode_allocation ( CeltFrame *  f, OpusRangeCoder *  rc  )

static

Definition at line 146 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static void celt_denormalize ( CeltFrame *  f, CeltBlock *  block, float *  data  )

static

Definition at line 478 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static void celt_postfilter_apply_transition ( CeltBlock *  block, float *  data  )

static

Definition at line 491 of file opus_celt.c.

Referenced by celt_postfilter().

static void celt_postfilter_apply ( CeltBlock *  block, float *  data, int  len  )

static

Definition at line 536 of file opus_celt.c.

Referenced by celt_postfilter().

static void celt_postfilter ( CeltFrame *  f, CeltBlock *  block  )

static

Definition at line 567 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static int parse_postfilter ( CeltFrame *  f, OpusRangeCoder *  rc, int  consumed  )

static

Definition at line 591 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static void process_anticollapse ( CeltFrame *  f, CeltBlock *  block, float *  X  )

static

Definition at line 626 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

static void celt_decode_bands ( CeltFrame *  f, OpusRangeCoder *  rc  )

static

Definition at line 678 of file opus_celt.c.

Referenced by ff_celt_decode_frame().

int ff_celt_decode_frame	(	CeltFrame *	f,
		OpusRangeCoder *	rc,
		float **	output,
		int	channels,
		int	frame_size,
		int	start_band,
		int	end_band
	)

Definition at line 770 of file opus_celt.c.

Referenced by opus_decode_frame(), and opus_decode_redundancy().

void ff_celt_flush

(

CeltFrame *

f

)

Definition at line 943 of file opus_celt.c.

Referenced by ff_celt_init(), opus_decode_flush(), and opus_decode_frame().

void ff_celt_free

(

CeltFrame **

f

)

Definition at line 970 of file opus_celt.c.

Referenced by ff_celt_init(), and opus_decode_close().

int ff_celt_init	(	AVCodecContext *	avctx,
		CeltFrame **	f,
		int	output_channels
	)

Definition at line 987 of file opus_celt.c.

Referenced by opus_decode_init().