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)


Detailed Description

GSM decoder.

Definition in file gsmdec_template.c.


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]

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().


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