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ffmpeg/libavcodec/rtjpeg.h
Reimar Döffinger c9ec7564f0 Move idct block array variable onto rtjpeg_decode_frame_yuv420 stack since
it is only used there and is only 128 byte large.
Also make it aligned to fix playback with altivec.

Originally committed as revision 6902 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-11-05 16:18:37 +00:00

40 lines
1.3 KiB
C

/*
* RTJpeg decoding functions
* copyright (c) 2006 Reimar Doeffinger
*
* 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
*/
#ifndef RTJPEG_H
#define RTJPEG_H
typedef struct {
int w, h;
DSPContext *dsp;
uint8_t scan[64];
uint32_t lquant[64];
uint32_t cquant[64];
} RTJpegContext;
void rtjpeg_decode_init(RTJpegContext *c, DSPContext *dsp,
int width, int height,
uint32_t *lquant, uint32_t *cquant);
int rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f,
uint8_t *buf, int buf_size);
#endif