1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libtremor/lib/codec_internal.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,92 @@
1.4 +/********************************************************************
1.5 + * *
1.6 + * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
1.7 + * *
1.8 + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
1.9 + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
1.10 + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
1.11 + * *
1.12 + * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
1.13 + * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
1.14 + * *
1.15 + ********************************************************************
1.16 +
1.17 + function: libvorbis codec headers
1.18 +
1.19 + ********************************************************************/
1.20 +
1.21 +#ifndef _V_CODECI_H_
1.22 +#define _V_CODECI_H_
1.23 +
1.24 +#include "codebook.h"
1.25 +
1.26 +typedef void vorbis_look_mapping;
1.27 +typedef void vorbis_look_floor;
1.28 +typedef void vorbis_look_residue;
1.29 +typedef void vorbis_look_transform;
1.30 +
1.31 +/* mode ************************************************************/
1.32 +typedef struct {
1.33 + int blockflag;
1.34 + int windowtype;
1.35 + int transformtype;
1.36 + int mapping;
1.37 +} vorbis_info_mode;
1.38 +
1.39 +typedef void vorbis_info_floor;
1.40 +typedef void vorbis_info_residue;
1.41 +typedef void vorbis_info_mapping;
1.42 +
1.43 +typedef struct private_state {
1.44 + /* local lookup storage */
1.45 + const void *window[2];
1.46 +
1.47 + /* backend lookups are tied to the mode, not the backend or naked mapping */
1.48 + int modebits;
1.49 + vorbis_look_mapping **mode;
1.50 +
1.51 + ogg_int64_t sample_count;
1.52 +
1.53 +} private_state;
1.54 +
1.55 +/* codec_setup_info contains all the setup information specific to the
1.56 + specific compression/decompression mode in progress (eg,
1.57 + psychoacoustic settings, channel setup, options, codebook
1.58 + etc).
1.59 +*********************************************************************/
1.60 +
1.61 +typedef struct codec_setup_info {
1.62 +
1.63 + /* Vorbis supports only short and long blocks, but allows the
1.64 + encoder to choose the sizes */
1.65 +
1.66 + long blocksizes[2];
1.67 +
1.68 + /* modes are the primary means of supporting on-the-fly different
1.69 + blocksizes, different channel mappings (LR or M/A),
1.70 + different residue backends, etc. Each mode consists of a
1.71 + blocksize flag and a mapping (along with the mapping setup */
1.72 +
1.73 + int modes;
1.74 + int maps;
1.75 + int times;
1.76 + int floors;
1.77 + int residues;
1.78 + int books;
1.79 +
1.80 + vorbis_info_mode *mode_param[64];
1.81 + int map_type[64];
1.82 + vorbis_info_mapping *map_param[64];
1.83 + int time_type[64];
1.84 + int floor_type[64];
1.85 + vorbis_info_floor *floor_param[64];
1.86 + int residue_type[64];
1.87 + vorbis_info_residue *residue_param[64];
1.88 + static_codebook *book_param[256];
1.89 + codebook *fullbooks;
1.90 +
1.91 + int passlimit[32]; /* iteration limit per couple/quant pass */
1.92 + int coupling_passes;
1.93 +} codec_setup_info;
1.94 +
1.95 +#endif
