/* * 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 AVCODEC_RTJPEG_H #define AVCODEC_RTJPEG_H #include <stdint.h> #include "dsputil.h" #include "libavutil/mem.h" #define RTJPEG_FILE_VERSION 0 #define RTJPEG_HEADER_SIZE 12 typedef struct { int w, h; DSPContext *dsp; uint8_t scan[64]; uint32_t lquant[64]; uint32_t cquant[64]; DECLARE_ALIGNED(16, DCTELEM, block)[64]; } RTJpegContext; void ff_rtjpeg_decode_init(RTJpegContext *c, DSPContext *dsp, int width, int height, const uint32_t *lquant, const uint32_t *cquant); int ff_rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f, const uint8_t *buf, int buf_size); #endif /* AVCODEC_RTJPEG_H */