mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-25 12:40:01 +00:00
e60779b18c
* 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>
53 lines
1.7 KiB
C
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 */
|