libavcodec/vorbis.c File Reference

Common code for Vorbis I encoder and decoder. More...

#include "avcodec.h"
#include "get_bits.h"
#include "vorbis.h"

Go to the source code of this file.




unsigned int ff_vorbis_nth_root (unsigned int x, unsigned int n)
int ff_vorbis_len2vlc (uint8_t *bits, uint32_t *codes, unsigned num)
void ff_vorbis_ready_floor1_list (vorbis_floor1_entry *list, int values)
static void render_line_unrolled (intptr_t x, int y, int x1, intptr_t sy, int ady, int adx, float *buf)
static void render_line (int x0, int y0, int x1, int y1, float *buf)
void ff_vorbis_floor1_render_list (vorbis_floor1_entry *list, int values, uint16_t *y_list, int *flag, int multiplier, float *out, int samples)

Detailed Description

Common code for Vorbis I encoder and decoder.

Denes Balatoni ( dbalatoni programozo hu )
This file is part of FFmpeg.

FFmpeg is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

FFmpeg is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with FFmpeg; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Definition in file vorbis.c.

Define Documentation


Definition at line 23 of file vorbis.c.

Function Documentation

void ff_vorbis_floor1_render_list ( vorbis_floor1_entry list,
int  values,
uint16_t *  y_list,
int *  flag,
int  multiplier,
float *  out,
int  samples 

Definition at line 203 of file vorbis.c.

Referenced by floor_encode(), and vorbis_floor1_decode().

int ff_vorbis_len2vlc ( uint8_t *  bits,
uint32_t *  codes,
unsigned  num 

Definition at line 51 of file vorbis.c.

Referenced by ready_codebook(), and vorbis_parse_setup_hdr_codebooks().

unsigned int ff_vorbis_nth_root ( unsigned int  x,
unsigned int  n 

Definition at line 33 of file vorbis.c.

Referenced by cb_lookup_vals(), and vorbis_parse_setup_hdr_codebooks().

void ff_vorbis_ready_floor1_list ( vorbis_floor1_entry list,
int  values 

Definition at line 120 of file vorbis.c.

Referenced by create_vorbis_context(), and vorbis_parse_setup_hdr_floors().

static void render_line ( int  x0,
int  y0,
int  x1,
int  y1,
float *  buf 
) [static]

Definition at line 176 of file vorbis.c.

Referenced by ff_vorbis_floor1_render_list().

static void render_line_unrolled ( intptr_t  x,
int  y,
int  x1,
intptr_t  sy,
int  ady,
int  adx,
float *  buf 
) [inline, static]

Definition at line 153 of file vorbis.c.

Referenced by render_line().

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