ffmpeg/libavcodec/proresdsp.h

   1 /*
   2  * Apple ProRes compatible decoder
   3  *
   4  * Copyright (c) 2010-2011 Maxim Poliakovski
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 #ifndef AVCODEC_PRORESDSP_H
  24 #define AVCODEC_PRORESDSP_H
  25
  26 #include <stdint.h>
  27 #include "avcodec.h"
  28
  29 #define PRORES_BITS_PER_SAMPLE 10 ///< output precision of prores decoder
  30
  31 typedef struct ProresDSPContext {
  32     int idct_permutation_type;
  33     uint8_t idct_permutation[64];
  34     void (* idct_put) (uint16_t *out, int linesize, int16_t *block, const int16_t *qmat);
  35 } ProresDSPContext;
  36
  37 void ff_proresdsp_init(ProresDSPContext *dsp, AVCodecContext *avctx);
  38
  39 void ff_proresdsp_init_x86(ProresDSPContext *dsp, AVCodecContext *avctx);
  40
  41 #endif /* AVCODEC_PRORESDSP_H */