FFmpeg4/libavcodec/proresdec.h

58 lines
1.8 KiB
C

/*
* Copyright (c) 2010-2011 Maxim Poliakovski
* Copyright (c) 2010-2011 Elvis Presley
*
* 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_PRORESDEC_H
#define AVCODEC_PRORESDEC_H
#include "get_bits.h"
#include "blockdsp.h"
#include "proresdsp.h"
typedef struct {
const uint8_t *data;
unsigned mb_x;
unsigned mb_y;
unsigned mb_count;
unsigned data_size;
int ret;
} SliceContext;
typedef struct {
BlockDSPContext bdsp;
ProresDSPContext prodsp;
AVFrame *frame;
int frame_type; ///< 0 = progressive, 1 = tff, 2 = bff
uint8_t qmat_luma[64];
uint8_t qmat_chroma[64];
SliceContext *slices;
int slice_count; ///< number of slices in the current picture
unsigned mb_width; ///< width of the current picture in mb
unsigned mb_height; ///< height of the current picture in mb
uint8_t progressive_scan[64];
uint8_t interlaced_scan[64];
const uint8_t *scan;
int first_field;
int alpha_info;
void (*unpack_alpha)(GetBitContext *gb, uint16_t *dst, int num_coeffs, const int num_bits);
} ProresContext;
#endif /* AVCODEC_PRORESDEC_H */