g722.h File Reference

#include <stdint.h>
#include "avcodec.h"

Go to the source code of this file.

Data Structures
struct	G722Context
struct	G722Context::G722Band
	The band[0] and band[1] correspond respectively to the lower band and higher band. More...
struct	G722Context::TrellisNode
struct	G722Context::TrellisPath

Macros
#define	PREV_SAMPLES_BUF_SIZE   1024

Functions
void	ff_g722_update_low_predictor (struct G722Band *band, const int ilow)
void	ff_g722_update_high_predictor (struct G722Band *band, const int dhigh, const int ihigh)
void	ff_g722_apply_qmf (const int16_t *prev_samples, int *xout1, int *xout2)

Variables
const int16_t	ff_g722_high_inv_quant [4]
const int16_t	ff_g722_low_inv_quant4 [16]
const int16_t	ff_g722_low_inv_quant6 [64]

Macro Definition Documentation

#define PREV_SAMPLES_BUF_SIZE   1024

Definition at line 31 of file g722.h.

Referenced by filter_samples(), and g722_decode_frame().

Function Documentation

void ff_g722_update_low_predictor	(	struct G722Band *	band,
		const int	ilow
	)

Definition at line 139 of file g722.c.

Referenced by g722_decode_frame(), and g722_encode_trellis().

void ff_g722_update_high_predictor	(	struct G722Band *	band,
		const int	dhigh,
		const int	ihigh
	)

Definition at line 150 of file g722.c.

Referenced by g722_decode_frame(), and g722_encode_trellis().

void ff_g722_apply_qmf	(	const int16_t *	prev_samples,
		int *	xout1,
		int *	xout2
	)

Definition at line 161 of file g722.c.

Referenced by filter_samples(), and g722_decode_frame().

Variable Documentation

const int16_t ff_g722_high_inv_quant[4]

Definition at line 51 of file g722.c.

Referenced by g722_decode_frame(), and g722_encode_trellis().

const int16_t ff_g722_low_inv_quant4[16]

Definition at line 59 of file g722.c.

Referenced by ff_g722_update_low_predictor().

const int16_t ff_g722_low_inv_quant6[64]

Definition at line 63 of file g722.c.

Referenced by g722_encode_trellis().