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FFmpeg/libavcodec/mjpegenc.h
Michael Niedermayer ac8987591f Merge commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f'
* commit '88bd7fdc821aaa0cbcf44cf075c62aaa42121e3f':
  Drop DCTELEM typedef

Conflicts:
	libavcodec/alpha/dsputil_alpha.h
	libavcodec/alpha/motion_est_alpha.c
	libavcodec/arm/dsputil_init_armv6.c
	libavcodec/bfin/dsputil_bfin.h
	libavcodec/bfin/pixels_bfin.S
	libavcodec/cavs.c
	libavcodec/cavsdec.c
	libavcodec/dct-test.c
	libavcodec/dnxhdenc.c
	libavcodec/dsputil.c
	libavcodec/dsputil.h
	libavcodec/dsputil_template.c
	libavcodec/eamad.c
	libavcodec/h264_cavlc.c
	libavcodec/h264idct_template.c
	libavcodec/mpeg12.c
	libavcodec/mpegvideo.c
	libavcodec/mpegvideo.h
	libavcodec/mpegvideo_enc.c
	libavcodec/ppc/dsputil_altivec.c
	libavcodec/proresdsp.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-01-23 17:44:56 +01:00

62 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
* MJPEG encoder.
*/
#ifndef AVCODEC_MJPEGENC_H
#define AVCODEC_MJPEGENC_H
#include <stdint.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(MpegEncContext *s);
void ff_mjpeg_encode_dc(MpegEncContext *s, int val,
uint8_t *huff_size, uint16_t *huff_code);
void ff_mjpeg_encode_mb(MpegEncContext *s, int16_t block[6][64]);
#endif /* AVCODEC_MJPEGENC_H */