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https://git.videolan.org/git/ffmpeg.git
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ac8987591f
* 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>
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* MJPEG encoder
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* Copyright (c) 2000, 2001 Fabrice Bellard
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* Copyright (c) 2003 Alex Beregszaszi
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* Copyright (c) 2003-2004 Michael Niedermayer
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*
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* Support for external huffman table, various fixes (AVID workaround),
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* aspecting, new decode_frame mechanism and apple mjpeg-b support
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* by Alex Beregszaszi
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* MJPEG encoder.
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*/
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#ifndef AVCODEC_MJPEGENC_H
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#define AVCODEC_MJPEGENC_H
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#include <stdint.h>
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#include "mpegvideo.h"
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typedef struct MJpegContext {
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uint8_t huff_size_dc_luminance[12]; //FIXME use array [3] instead of lumi / chrom, for easier addressing
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uint16_t huff_code_dc_luminance[12];
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uint8_t huff_size_dc_chrominance[12];
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uint16_t huff_code_dc_chrominance[12];
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uint8_t huff_size_ac_luminance[256];
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uint16_t huff_code_ac_luminance[256];
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uint8_t huff_size_ac_chrominance[256];
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uint16_t huff_code_ac_chrominance[256];
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} MJpegContext;
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int ff_mjpeg_encode_init(MpegEncContext *s);
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void ff_mjpeg_encode_close(MpegEncContext *s);
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void ff_mjpeg_encode_picture_header(MpegEncContext *s);
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void ff_mjpeg_encode_picture_trailer(MpegEncContext *s);
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void ff_mjpeg_encode_stuffing(MpegEncContext *s);
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void ff_mjpeg_encode_dc(MpegEncContext *s, int val,
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uint8_t *huff_size, uint16_t *huff_code);
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void ff_mjpeg_encode_mb(MpegEncContext *s, int16_t block[6][64]);
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#endif /* AVCODEC_MJPEGENC_H */
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