Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / dca.h
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 */