libavcodec/dnxhddata.h

   1 /*
   2  * VC3/DNxHD decoder.
   3  * Copyright (c) 2007 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>.
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef FFMPEG_DNXHDDATA_H
  23 #define FFMPEG_DNXHDDATA_H
  24
  25 #include <stdint.h>
  26 #include "avcodec.h"
  27
  28 typedef struct {
  29     int cid;
  30     unsigned int width, height;
  31     int interlaced;
  32     unsigned int frame_size;
  33     unsigned int coding_unit_size;
  34     int index_bits;
  35     int bit_depth;
  36     const uint8_t *luma_weight, *chroma_weight;
  37     const uint8_t *dc_codes, *dc_bits;
  38     const uint16_t *ac_codes;
  39     const uint8_t *ac_bits, *ac_level;
  40     const uint8_t *ac_run_flag, *ac_index_flag;
  41     const uint16_t *run_codes;
  42     const uint8_t *run_bits, *run;
  43     int bit_rates[5]; ///< Helpher to choose variants, rounded to nearest 5Mb/s
  44 } CIDEntry;
  45
  46 extern const CIDEntry ff_dnxhd_cid_table[];
  47
  48 int ff_dnxhd_get_cid_table(int cid);
  49 int ff_dnxhd_find_cid(AVCodecContext *avctx);
  50
  51 #endif /* FFMPEG_DNXHDDATA_H */