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/*
* RTJpeg decoding functions
* copyright (c) 2006 Reimar Doeffinger
* |
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* This file is part of FFmpeg.
*
* 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
* 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
* 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 |
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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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#ifndef AVCODEC_RTJPEG_H
#define AVCODEC_RTJPEG_H |
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#include <stdint.h> |
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#include "libavutil/mem.h" |
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#include "idctdsp.h" |
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|
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#define RTJPEG_FILE_VERSION 0
#define RTJPEG_HEADER_SIZE 12
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typedef struct RTJpegContext { |
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int w, h; |
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IDCTDSPContext idsp; |
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uint8_t scan[64];
uint32_t lquant[64];
uint32_t cquant[64]; |
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DECLARE_ALIGNED(16, int16_t, block)[64]; |
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} RTJpegContext;
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void ff_rtjpeg_init(RTJpegContext *c, AVCodecContext *avctx);
void ff_rtjpeg_decode_init(RTJpegContext *c, int width, int height,
const uint32_t *lquant, const uint32_t *cquant); |
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|
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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 */ |