yading@10: /*
yading@10:  * RTJpeg decoding functions
yading@10:  * copyright (c) 2006 Reimar Doeffinger
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_RTJPEG_H
yading@10: #define AVCODEC_RTJPEG_H
yading@10: 
yading@10: #include <stdint.h>
yading@10: #include "dsputil.h"
yading@10: #include "libavutil/mem.h"
yading@10: 
yading@10: #define RTJPEG_FILE_VERSION 0
yading@10: #define RTJPEG_HEADER_SIZE 12
yading@10: 
yading@10: typedef struct RTJpegContext {
yading@10:     int w, h;
yading@10:     DSPContext *dsp;
yading@10:     uint8_t scan[64];
yading@10:     uint32_t lquant[64];
yading@10:     uint32_t cquant[64];
yading@10:     DECLARE_ALIGNED(16, int16_t, block)[64];
yading@10: } RTJpegContext;
yading@10: 
yading@10: void ff_rtjpeg_decode_init(RTJpegContext *c, DSPContext *dsp,
yading@10:                         int width, int height,
yading@10:                         const uint32_t *lquant, const uint32_t *cquant);
yading@10: 
yading@10: int ff_rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f,
yading@10:                                const uint8_t *buf, int buf_size);
yading@10: #endif /* AVCODEC_RTJPEG_H */