1/* 2 * RTJpeg decoding functions 3 * copyright (c) 2006 Reimar Doeffinger 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#ifndef AVCODEC_RTJPEG_H 23#define AVCODEC_RTJPEG_H 24 25#include <stdint.h> 26#include "dsputil.h" 27 28typedef struct { 29 int w, h; 30 DSPContext *dsp; 31 uint8_t scan[64]; 32 uint32_t lquant[64]; 33 uint32_t cquant[64]; 34 DECLARE_ALIGNED(16, DCTELEM, block)[64]; 35} RTJpegContext; 36 37void rtjpeg_decode_init(RTJpegContext *c, DSPContext *dsp, 38 int width, int height, 39 const uint32_t *lquant, const uint32_t *cquant); 40 41int rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f, 42 const uint8_t *buf, int buf_size); 43#endif /* AVCODEC_RTJPEG_H */ 44