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alexbevi
GitHub Repository: alexbevi/BizHawk
 Path: blob/master/genplus-gx/core/tremor/codec_internal.h
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/********************************************************************

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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 private_state {

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  /* local lookup storage */

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  const void             *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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  ogg_int64_t sample_count;

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} private_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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