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

/*
 * DCA compatible decoder
 * Copyright (C) 2004 Gildas Bazin
 * Copyright (C) 2004 Benjamin Zores
 * Copyright (C) 2006 Benjamin Larsson
 * Copyright (C) 2007 Konstantin Shishkov
 *
 * 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_DCA_H
#define AVCODEC_DCA_H

#include <stdint.h>
#include "libavutil/internal.h"

/** DCA syncwords, also used for bitstream type detection */
#define DCA_MARKER_RAW_BE 0x7FFE8001
#define DCA_MARKER_RAW_LE 0xFE7F0180
#define DCA_MARKER_14B_BE 0x1FFFE800
#define DCA_MARKER_14B_LE 0xFF1F00E8

/** DCA-HD specific block starts with this marker. */
#define DCA_HD_MARKER     0x64582025

extern av_export const uint32_t avpriv_dca_sample_rates[16];

/**
 * Convert bitstream to one representation based on sync marker
 */
int avpriv_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
                             int max_size);

#endif /* AVCODEC_DCA_H */
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* DCA compatible decoder
	3	* Copyright (C) 2004 Gildas Bazin
	4	* Copyright (C) 2004 Benjamin Zores
	5	* Copyright (C) 2006 Benjamin Larsson
	6	* Copyright (C) 2007 Konstantin Shishkov
	7	*
	8	* This file is part of FFmpeg.
	9	*
	10	* FFmpeg is free software; you can redistribute it and/or
	11	* modify it under the terms of the GNU Lesser General Public
	12	* License as published by the Free Software Foundation; either
	13	* version 2.1 of the License, or (at your option) any later version.
	14	*
	15	* FFmpeg is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	18	* Lesser General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU Lesser General Public
	21	* License along with FFmpeg; if not, write to the Free Software
	22	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	23	*/
	24
	25	#ifndef AVCODEC_DCA_H
	26	#define AVCODEC_DCA_H
	27
	28	#include <stdint.h>
	29	#include "libavutil/internal.h"
	30
	31	/** DCA syncwords, also used for bitstream type detection */
	32	#define DCA_MARKER_RAW_BE 0x7FFE8001
	33	#define DCA_MARKER_RAW_LE 0xFE7F0180
	34	#define DCA_MARKER_14B_BE 0x1FFFE800
	35	#define DCA_MARKER_14B_LE 0xFF1F00E8
	36
	37	/** DCA-HD specific block starts with this marker. */
	38	#define DCA_HD_MARKER 0x64582025
	39
	40	extern av_export const uint32_t avpriv_dca_sample_rates[16];
	41
	42	/**
	43	* Convert bitstream to one representation based on sync marker
	44	*/
	45	int avpriv_dca_convert_bitstream(const uint8_t src, int src_size, uint8_t dst,
	46	int max_size);
	47
	48	#endif /* AVCODEC_DCA_H */