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libavcodec
rtjpeg.h
Go to the documentation of this file.
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/*
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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 "
libavutil/mem.h
"
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#include "
idctdsp.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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IDCTDSPContext
idsp
;
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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, int16_t,
block
)[64];
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}
RTJpegContext
;
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void
ff_rtjpeg_init
(
RTJpegContext
*
c
,
AVCodecContext
*avctx);
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void
ff_rtjpeg_decode_init
(
RTJpegContext
*
c
,
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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