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ffmpeg/libavcodec/dnxhddata.h
Michael Niedermayer e60779b18c Merge remote-tracking branch 'mans/dnxhd'
* mans/dnxhd:
  dnxhddec: cache luma/chroma_weight*qscale tables for last qscale
  dnxhddec: merge ac_{index,run}_flags
  dnxhddec: store 2*level+1 in ac_level tables
  dnxhddec: rearrange decode_dct_block loop

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2011-10-22 22:18:12 +02:00

53 lines
1.7 KiB
C

/*
* VC3/DNxHD decoder.
* Copyright (c) 2007 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_DNXHDDATA_H
#define AVCODEC_DNXHDDATA_H
#include <stdint.h>
#include "avcodec.h"
typedef struct {
int cid;
unsigned int width, height;
int interlaced;
unsigned int frame_size;
unsigned int coding_unit_size;
int index_bits;
int bit_depth;
int eob_index;
const uint8_t *luma_weight, *chroma_weight;
const uint8_t *dc_codes, *dc_bits;
const uint16_t *ac_codes;
const uint8_t *ac_bits, *ac_level;
const uint8_t *ac_flags;
const uint16_t *run_codes;
const uint8_t *run_bits, *run;
int bit_rates[5]; ///< Helpher to choose variants, rounded to nearest 5Mb/s
} CIDEntry;
extern const CIDEntry ff_dnxhd_cid_table[];
int ff_dnxhd_get_cid_table(int cid);
int ff_dnxhd_find_cid(AVCodecContext *avctx, int bit_depth);
#endif /* AVCODEC_DNXHDDATA_H */