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-rw-r--r--contrib/vorbis/lib/codec_internal.h166
1 files changed, 0 insertions, 166 deletions
diff --git a/contrib/vorbis/lib/codec_internal.h b/contrib/vorbis/lib/codec_internal.h
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--- a/contrib/vorbis/lib/codec_internal.h
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-/********************************************************************
- * *
- * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
- * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
- * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
- * *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
- * by the Xiph.Org Foundation http://www.xiph.org/ *
- * *
- ********************************************************************
-
- function: libvorbis codec headers
-
- ********************************************************************/
-
-#ifndef _V_CODECI_H_
-#define _V_CODECI_H_
-
-#include "envelope.h"
-#include "codebook.h"
-
-#define BLOCKTYPE_IMPULSE 0
-#define BLOCKTYPE_PADDING 1
-#define BLOCKTYPE_TRANSITION 0
-#define BLOCKTYPE_LONG 1
-
-#define PACKETBLOBS 15
-
-typedef struct vorbis_block_internal{
- float **pcmdelay; /* this is a pointer into local storage */
- float ampmax;
- int blocktype;
-
- oggpack_buffer *packetblob[PACKETBLOBS]; /* initialized, must be freed;
- blob [PACKETBLOBS/2] points to
- the oggpack_buffer in the
- main vorbis_block */
-} vorbis_block_internal;
-
-typedef void vorbis_look_floor;
-typedef void vorbis_look_residue;
-typedef void vorbis_look_transform;
-
-/* mode ************************************************************/
-typedef struct {
- int blockflag;
- int windowtype;
- int transformtype;
- int mapping;
-} vorbis_info_mode;
-
-typedef void vorbis_info_floor;
-typedef void vorbis_info_residue;
-typedef void vorbis_info_mapping;
-
-#include "psy.h"
-#include "bitrate.h"
-
-typedef struct private_state {
- /* local lookup storage */
- envelope_lookup *ve; /* envelope lookup */
- int window[2];
- vorbis_look_transform **transform[2]; /* block, type */
- drft_lookup fft_look[2];
-
- int modebits;
- vorbis_look_floor **flr;
- vorbis_look_residue **residue;
- vorbis_look_psy *psy;
- vorbis_look_psy_global *psy_g_look;
-
- /* local storage, only used on the encoding side. This way the
- application does not need to worry about freeing some packets'
- memory and not others'; packet storage is always tracked.
- Cleared next call to a _dsp_ function */
- unsigned char *header;
- unsigned char *header1;
- unsigned char *header2;
-
- bitrate_manager_state bms;
-
- ogg_int64_t sample_count;
-} private_state;
-
-/* codec_setup_info contains all the setup information specific to the
- specific compression/decompression mode in progress (eg,
- psychoacoustic settings, channel setup, options, codebook
- etc).
-*********************************************************************/
-
-#include "highlevel.h"
-typedef struct codec_setup_info {
-
- /* Vorbis supports only short and long blocks, but allows the
- encoder to choose the sizes */
-
- long blocksizes[2];
-
- /* modes are the primary means of supporting on-the-fly different
- blocksizes, different channel mappings (LR or M/A),
- different residue backends, etc. Each mode consists of a
- blocksize flag and a mapping (along with the mapping setup */
-
- int modes;
- int maps;
- int floors;
- int residues;
- int books;
- int psys; /* encode only */
-
- vorbis_info_mode *mode_param[64];
- int map_type[64];
- vorbis_info_mapping *map_param[64];
- int floor_type[64];
- vorbis_info_floor *floor_param[64];
- int residue_type[64];
- vorbis_info_residue *residue_param[64];
- static_codebook *book_param[256];
- codebook *fullbooks;
-
- vorbis_info_psy *psy_param[4]; /* encode only */
- vorbis_info_psy_global psy_g_param;
-
- bitrate_manager_info bi;
- highlevel_encode_setup hi; /* used only by vorbisenc.c. It's a
- highly redundant structure, but
- improves clarity of program flow. */
- int halfrate_flag; /* painless downsample for decode */
-} codec_setup_info;
-
-extern vorbis_look_psy_global *_vp_global_look(vorbis_info *vi);
-extern void _vp_global_free(vorbis_look_psy_global *look);
-
-
-
-typedef struct {
- int sorted_index[VIF_POSIT+2];
- int forward_index[VIF_POSIT+2];
- int reverse_index[VIF_POSIT+2];
-
- int hineighbor[VIF_POSIT];
- int loneighbor[VIF_POSIT];
- int posts;
-
- int n;
- int quant_q;
- vorbis_info_floor1 *vi;
-
- long phrasebits;
- long postbits;
- long frames;
-} vorbis_look_floor1;
-
-
-
-extern int *floor1_fit(vorbis_block *vb,vorbis_look_floor1 *look,
- const float *logmdct, /* in */
- const float *logmask);
-extern int *floor1_interpolate_fit(vorbis_block *vb,vorbis_look_floor1 *look,
- int *A,int *B,
- int del);
-extern int floor1_encode(oggpack_buffer *opb,vorbis_block *vb,
- vorbis_look_floor1 *look,
- int *post,int *ilogmask);
-#endif