ffmpeg/libavcodec/asv.h

   1 /*
   2  * Copyright (c) 2003 Michael Niedermayer
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 /**
  22  * @file
  23  * ASUS V1/V2 encoder/decoder common data.
  24  */
  25
  26 #ifndef AVCODEC_ASV_H
  27 #define AVCODEC_ASV_H
  28
  29 #include <stdint.h>
  30
  31 #include "libavutil/mem.h"
  32
  33 #include "avcodec.h"
  34 #include "blockdsp.h"
  35 #include "bswapdsp.h"
  36 #include "fdctdsp.h"
  37 #include "idctdsp.h"
  38 #include "get_bits.h"
  39 #include "pixblockdsp.h"
  40 #include "put_bits.h"
  41
  42 typedef struct ASV1Context {
  43     AVCodecContext *avctx;
  44     BlockDSPContext bdsp;
  45     BswapDSPContext bbdsp;
  46     FDCTDSPContext fdsp;
  47     IDCTDSPContext idsp;
  48     PixblockDSPContext pdsp;
  49     PutBitContext pb;
  50     GetBitContext gb;
  51     ScanTable scantable;
  52     int inv_qscale;
  53     int mb_width;
  54     int mb_height;
  55     int mb_width2;
  56     int mb_height2;
  57     DECLARE_ALIGNED(16, int16_t, block)[6][64];
  58     uint16_t intra_matrix[64];
  59     int q_intra_matrix[64];
  60     uint8_t *bitstream_buffer;
  61     unsigned int bitstream_buffer_size;
  62 } ASV1Context;
  63
  64 extern const uint8_t ff_asv_scantab[64];
  65 extern const uint8_t ff_asv_ccp_tab[17][2];
  66 extern const uint8_t ff_asv_level_tab[7][2];
  67 extern const uint8_t ff_asv_dc_ccp_tab[8][2];
  68 extern const uint8_t ff_asv_ac_ccp_tab[16][2];
  69 extern const uint8_t ff_asv2_level_tab[63][2];
  70
  71 void ff_asv_common_init(AVCodecContext *avctx);
  72
  73 #endif /* AVCODEC_ASV_H */