mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
|
|
* MJPEG encoder
|
|
* Copyright (c) 2000, 2001 Fabrice Bellard.
|
|
* Copyright (c) 2003 Alex Beregszaszi
|
|
* Copyright (c) 2003-2004 Michael Niedermayer
|
|
*
|
|
* Support for external huffman table, various fixes (AVID workaround),
|
|
* aspecting, new decode_frame mechanism and apple mjpeg-b support
|
|
* by Alex Beregszaszi
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/**
|
|
* @file mjpegenc.h
|
|
* MJPEG encoder.
|
|
*/
|
|
|
|
#ifndef FFMPEG_MJPEGENC_H
|
|
#define FFMPEG_MJPEGENC_H
|
|
|
|
#include "dsputil.h"
|
|
#include "mpegvideo.h"
|
|
|
|
typedef struct MJpegContext {
|
|
uint8_t huff_size_dc_luminance[12]; //FIXME use array [3] instead of lumi / chrom, for easier addressing
|
|
uint16_t huff_code_dc_luminance[12];
|
|
uint8_t huff_size_dc_chrominance[12];
|
|
uint16_t huff_code_dc_chrominance[12];
|
|
|
|
uint8_t huff_size_ac_luminance[256];
|
|
uint16_t huff_code_ac_luminance[256];
|
|
uint8_t huff_size_ac_chrominance[256];
|
|
uint16_t huff_code_ac_chrominance[256];
|
|
} MJpegContext;
|
|
|
|
int ff_mjpeg_encode_init(MpegEncContext *s);
|
|
void ff_mjpeg_encode_close(MpegEncContext *s);
|
|
void ff_mjpeg_encode_picture_header(MpegEncContext *s);
|
|
void ff_mjpeg_encode_picture_trailer(MpegEncContext *s);
|
|
void ff_mjpeg_encode_stuffing(PutBitContext *pbc);
|
|
void ff_mjpeg_encode_dc(MpegEncContext *s, int val,
|
|
uint8_t *huff_size, uint16_t *huff_code);
|
|
void ff_mjpeg_encode_mb(MpegEncContext *s, DCTELEM block[6][64]);
|
|
|
|
#endif /* FFMPEG_MJPEGENC_H */
|