mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 19:30:05 +00:00
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/*
|
|
* Common Ut Video header
|
|
* Copyright (c) 2011 Konstantin Shishkov
|
|
*
|
|
* 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_UTVIDEO_H
|
|
#define AVCODEC_UTVIDEO_H
|
|
|
|
/**
|
|
* @file
|
|
* Common Ut Video header
|
|
*/
|
|
|
|
#include "libavutil/common.h"
|
|
#include "avcodec.h"
|
|
#include "bswapdsp.h"
|
|
#include "utvideodsp.h"
|
|
#include "lossless_videodsp.h"
|
|
#include "lossless_videoencdsp.h"
|
|
|
|
enum {
|
|
PRED_NONE = 0,
|
|
PRED_LEFT,
|
|
PRED_GRADIENT,
|
|
PRED_MEDIAN,
|
|
};
|
|
|
|
enum {
|
|
COMP_NONE = 0,
|
|
COMP_HUFF,
|
|
};
|
|
|
|
/*
|
|
* "Original format" markers.
|
|
* Based on values gotten from the official VFW encoder.
|
|
* They are not used during decoding, but they do have
|
|
* an informative role on seeing what was input
|
|
* to the encoder.
|
|
*/
|
|
enum {
|
|
UTVIDEO_RGB = MKTAG(0x00, 0x00, 0x01, 0x18),
|
|
UTVIDEO_RGBA = MKTAG(0x00, 0x00, 0x02, 0x18),
|
|
UTVIDEO_420 = MKTAG('Y', 'V', '1', '2'),
|
|
UTVIDEO_422 = MKTAG('Y', 'U', 'Y', '2'),
|
|
UTVIDEO_444 = MKTAG('Y', 'V', '2', '4'),
|
|
};
|
|
|
|
/* Mapping of libavcodec prediction modes to Ut Video's */
|
|
extern const int ff_ut_pred_order[5];
|
|
|
|
typedef struct UtvideoContext {
|
|
const AVClass *class;
|
|
AVCodecContext *avctx;
|
|
UTVideoDSPContext utdsp;
|
|
BswapDSPContext bdsp;
|
|
LLVidDSPContext llviddsp;
|
|
LLVidEncDSPContext llvidencdsp;
|
|
|
|
uint32_t frame_info_size, flags, frame_info;
|
|
int planes;
|
|
int slices;
|
|
int compression;
|
|
int interlaced;
|
|
int frame_pred;
|
|
int pro;
|
|
|
|
ptrdiff_t slice_stride;
|
|
uint8_t *slice_bits, *slice_buffer[4];
|
|
int slice_bits_size;
|
|
} UtvideoContext;
|
|
|
|
typedef struct HuffEntry {
|
|
uint16_t sym;
|
|
uint8_t len;
|
|
uint32_t code;
|
|
} HuffEntry;
|
|
|
|
/* Compare huffman tree nodes */
|
|
int ff_ut_huff_cmp_len(const void *a, const void *b);
|
|
int ff_ut10_huff_cmp_len(const void *a, const void *b);
|
|
|
|
#endif /* AVCODEC_UTVIDEO_H */
|