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55c49afc42
* qatar/master: yuv4mpeg: return proper error codes. Give all anonymously typedeffed structs in headers a name fate: Add parseutils test parseutils-test: Drop random colors from parsing test vf_pad/scale: use double precision for aspect ratios. build: error on variable-length arrays ppc: swscale: rework yuv2planeX_altivec() ppc: fmtconvert: kill VLA in float_to_int16_interleave_altivec() x86: dsputil: kill VLA in gmc_mmx() libspeexenc: Updated commentary to reflect recent changes libspeexenc: Add an option for enabling DTX doc/APIchanges: fill in missing dates and hashes. lavr: bump major to 1 and declare it stable. lavr: change the type of the data buffers to uint8_t**. lavc: deprecate the audio resampling API. Conflicts: cmdutils.h configure doc/APIchanges ffplay.c libavcodec/dwt.h libavcodec/libspeexenc.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavformat/asf.h tests/fate/libavutil.mak tests/ref/fate/parseutils Merged-by: Michael Niedermayer <michaelni@gmx.at>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* RTJpeg decoding functions
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* copyright (c) 2006 Reimar Doeffinger
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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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#ifndef AVCODEC_RTJPEG_H
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#define AVCODEC_RTJPEG_H
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#include <stdint.h>
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#include "dsputil.h"
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#include "libavutil/mem.h"
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#define RTJPEG_FILE_VERSION 0
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#define RTJPEG_HEADER_SIZE 12
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typedef struct RTJpegContext {
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int w, h;
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DSPContext *dsp;
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uint8_t scan[64];
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uint32_t lquant[64];
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uint32_t cquant[64];
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DECLARE_ALIGNED(16, DCTELEM, block)[64];
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} RTJpegContext;
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void ff_rtjpeg_decode_init(RTJpegContext *c, DSPContext *dsp,
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int width, int height,
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const uint32_t *lquant, const uint32_t *cquant);
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int ff_rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f,
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const uint8_t *buf, int buf_size);
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#endif /* AVCODEC_RTJPEG_H */
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