[deb_ffmpeg.git] / ffmpeg / libavcodec / rtjpeg.h

/*
 * 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 "libavutil/mem.h"
#include "idctdsp.h"

#define RTJPEG_FILE_VERSION 0
#define RTJPEG_HEADER_SIZE 12

typedef struct RTJpegContext {
    int w, h;
    IDCTDSPContext idsp;
    uint8_t scan[64];
    uint32_t lquant[64];
    uint32_t cquant[64];
    DECLARE_ALIGNED(16, int16_t, block)[64];
} RTJpegContext;

void ff_rtjpeg_init(RTJpegContext *c, AVCodecContext *avctx);

void ff_rtjpeg_decode_init(RTJpegContext *c, 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 */
Commit	Line	Data
2ba45a60 DM	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
	27	#include "libavutil/mem.h"
	28	#include "idctdsp.h"
	29
	30	#define RTJPEG_FILE_VERSION 0
	31	#define RTJPEG_HEADER_SIZE 12
	32
	33	typedef struct RTJpegContext {
	34	int w, h;
	35	IDCTDSPContext idsp;
	36	uint8_t scan[64];
	37	uint32_t lquant[64];
	38	uint32_t cquant[64];
	39	DECLARE_ALIGNED(16, int16_t, block)[64];
	40	} RTJpegContext;
	41
	42	void ff_rtjpeg_init(RTJpegContext c, AVCodecContext avctx);
	43
	44	void ff_rtjpeg_decode_init(RTJpegContext *c, int width, int height,
	45	const uint32_t lquant, const uint32_t cquant);
	46
	47	int ff_rtjpeg_decode_frame_yuv420(RTJpegContext c, AVFrame f,
	48	const uint8_t *buf, int buf_size);
	49	#endif /* AVCODEC_RTJPEG_H */