2 * RTJpeg decoding functions
3 * copyright (c) 2006 Reimar Doeffinger
5 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVCODEC_RTJPEG_H
23 #define AVCODEC_RTJPEG_H
27 #include "libavutil/frame.h"
28 #include "libavutil/mem_internal.h"
31 #define RTJPEG_FILE_VERSION 0
32 #define RTJPEG_HEADER_SIZE 12
34 typedef struct RTJpegContext {
40 DECLARE_ALIGNED(16, int16_t, block)[64];
43 struct AVCodecContext;
44 void ff_rtjpeg_init(RTJpegContext *c, struct AVCodecContext *avctx);
46 void ff_rtjpeg_decode_init(RTJpegContext *c, int width, int height,
47 const uint32_t *lquant, const uint32_t *cquant);
49 int ff_rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f,
50 const uint8_t *buf, int buf_size);
51 #endif /* AVCODEC_RTJPEG_H */