libavcodec/gsmdec_template.c File Reference

GSM decoder. More...

#include "get_bits.h"
#include "gsm.h"
#include "gsmdec_data.h"

Go to the source code of this file.

Functions
static void	apcm_dequant_add (GetBitContext *gb, int16_t *dst)
static int	gsm_mult (int a, int b)
static void	long_term_synth (int16_t *dst, int lag, int gain_idx)
static int	decode_log_area (int coded, int factor, int offset)
static av_noinline int	get_rrp (int filtered)
static int	filter_value (int in, int rrp[8], int v[9])
static void	short_term_synth (GSMContext *ctx, int16_t *dst, const int16_t *src)
static int	postprocess (int16_t *data, int msr)
static int	gsm_decode_block (AVCodecContext *avctx, int16_t *samples, GetBitContext *gb)

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Detailed Description

GSM decoder.

Definition in file gsmdec_template.c.

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Function Documentation

static void apcm_dequant_add	(	GetBitContext *	gb,
		int16_t *	dst
	)			[static]

Definition at line 31 of file gsmdec_template.c.

Referenced by gsm_decode_block().

static int decode_log_area	(	int	coded,
		int	factor,
		int	offset
	)			[inline, static]

Definition at line 54 of file gsmdec_template.c.

Referenced by gsm_decode_block().

static int filter_value	(	int	in,
		int	rrp[8],
		int	v[9]
	)			[static]

Definition at line 70 of file gsmdec_template.c.

Referenced by ff_vp3_h_loop_filter_c(), ff_vp3_v_loop_filter_c(), and short_term_synth().

static av_noinline int get_rrp

(

int

filtered

)

[static]

Definition at line 61 of file gsmdec_template.c.

Referenced by short_term_synth().

static int gsm_decode_block	(	AVCodecContext *	avctx,
		int16_t *	samples,
		GetBitContext *	gb
	)			[static]

Definition at line 120 of file gsmdec_template.c.

Referenced by ff_msgsm_decode_block(), and gsm_decode_frame().

static int gsm_mult	(	int	a,
		int	b
	)			[inline, static]

Definition at line 40 of file gsmdec_template.c.

Referenced by decode_log_area(), filter_value(), long_term_synth(), and postprocess().

static void long_term_synth	(	int16_t *	dst,
		int	lag,
		int	gain_idx
	)			[static]

Definition at line 45 of file gsmdec_template.c.

Referenced by gsm_decode_block().

static int postprocess	(	int16_t *	data,
		int	msr
	)			[static]

Definition at line 110 of file gsmdec_template.c.

Referenced by gsm_decode_block().

static void short_term_synth	(	GSMContext *	ctx,
		int16_t *	dst,
		const int16_t *	src
	)			[static]

Definition at line 81 of file gsmdec_template.c.

Referenced by gsm_decode_block().