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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29306 b3059339-0415-0410-9bf9-f77b7e298cf2
91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
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* *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
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* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
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* *
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********************************************************************
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function: libvorbis codec headers
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********************************************************************/
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#ifndef _V_CODECI_H_
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#define _V_CODECI_H_
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#include "codebook.h"
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typedef void vorbis_look_mapping;
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typedef void vorbis_look_floor;
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typedef void vorbis_look_residue;
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typedef void vorbis_look_transform;
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/* mode ************************************************************/
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typedef struct {
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int blockflag;
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int windowtype;
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int transformtype;
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int mapping;
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} vorbis_info_mode;
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typedef void vorbis_info_floor;
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typedef void vorbis_info_residue;
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typedef void vorbis_info_mapping;
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typedef struct backend_lookup_state {
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/* local lookup storage */
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ogg_int32_t *window[2];
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/* backend lookups are tied to the mode, not the backend or naked mapping */
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int modebits;
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vorbis_look_mapping **mode;
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} backend_lookup_state;
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/* codec_setup_info contains all the setup information specific to the
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specific compression/decompression mode in progress (eg,
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psychoacoustic settings, channel setup, options, codebook
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etc).
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*********************************************************************/
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typedef struct codec_setup_info {
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/* Vorbis supports only short and long blocks, but allows the
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encoder to choose the sizes */
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long blocksizes[2];
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/* modes are the primary means of supporting on-the-fly different
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blocksizes, different channel mappings (LR or M/A),
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different residue backends, etc. Each mode consists of a
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blocksize flag and a mapping (along with the mapping setup */
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int modes;
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int maps;
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int times;
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int floors;
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int residues;
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int books;
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vorbis_info_mode *mode_param[64];
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int map_type[64];
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vorbis_info_mapping *map_param[64];
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int time_type[64];
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int floor_type[64];
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vorbis_info_floor *floor_param[64];
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int residue_type[64];
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vorbis_info_residue *residue_param[64];
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static_codebook *book_param[256];
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codebook *fullbooks;
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int passlimit[32]; /* iteration limit per couple/quant pass */
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int coupling_passes;
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} codec_setup_info;
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#endif
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