1 /*****************************************************************************
2 * codecs.h: codec related structures needed by the demuxers and decoders
3 *****************************************************************************
4 * Copyright (C) 1999-2001 VideoLAN
5 * $Id: codecs.h,v 1.5 2003/08/18 00:17:44 fenrir Exp $
7 * Authors: Gildas Bazin <gbazin@netcourrier.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
25 #define _VLC_CODECS_H 1
27 /* Structures exported to the demuxers and decoders */
29 #ifndef _WAVEFORMATEX_
30 #define _WAVEFORMATEX_
32 #ifdef HAVE_ATTRIBUTE_PACKED
33 __attribute__((__packed__))
38 uint32_t nSamplesPerSec;
39 uint32_t nAvgBytesPerSec;
41 uint16_t wBitsPerSample;
43 } WAVEFORMATEX, *PWAVEFORMATEX, *NPWAVEFORMATEX, *LPWAVEFORMATEX;
44 #endif /* _WAVEFORMATEX_ */
46 #if !defined(_BITMAPINFOHEADER_) && !defined(WIN32)
47 #define _BITMAPINFOHEADER_
49 #ifdef HAVE_ATTRIBUTE_PACKED
50 __attribute__((__packed__))
58 uint32_t biCompression;
60 uint32_t biXPelsPerMeter;
61 uint32_t biYPelsPerMeter;
63 uint32_t biClrImportant;
64 } BITMAPINFOHEADER, *PBITMAPINFOHEADER, *LPBITMAPINFOHEADER;
66 BITMAPINFOHEADER bmiHeader;
68 } BITMAPINFO, *LPBITMAPINFO;
71 /* WAVE form wFormatTag IDs */
73 #define WAVE_FORMAT_UNKNOWN 0x0000 /* Microsoft Corporation */
74 #define WAVE_FORMAT_PCM 0x0001 /* Microsoft Corporation */
75 #define WAVE_FORMAT_ADPCM 0x0002 /* Microsoft Corporation */
76 #define WAVE_FORMAT_IEEE_FLOAT 0x0003 /* Microsoft Corporation */
77 #define WAVE_FORMAT_ALAW 0x0006 /* Microsoft Corporation */
78 #define WAVE_FORMAT_MULAW 0x0007 /* Microsoft Corporation */
79 #define WAVE_FORMAT_DTS 0x0008 /* Microsoft Corporation */
80 #define WAVE_FORMAT_IMA_ADPCM 0x0011
81 #define WAVE_FORMAT_MPEG 0x0050 /* Microsoft Corporation */
82 #define WAVE_FORMAT_MPEGLAYER3 0x0055 /* ISO/MPEG Layer3 Format Tag */
83 #define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 /* Sonic Foundry */
85 #define WAVE_FORMAT_A52 0x2000
86 #define WAVE_FORMAT_WMA1 0x0160
87 #define WAVE_FORMAT_WMA2 0x0161
88 #define WAVE_FORMAT_WMA3 0x0162
90 /* Need to check these */
91 #define WAVE_FORMAT_DK3 0x0061
92 #define WAVE_FORMAT_DK4 0x0061
94 #if !defined(WAVE_FORMAT_EXTENSIBLE)
95 #define WAVE_FORMAT_EXTENSIBLE 0xFFFE /* Microsoft */
101 vlc_fourcc_t i_fourcc;
104 wave_format_tag_to_fourcc[] =
106 { WAVE_FORMAT_PCM, VLC_FOURCC( 'a', 'r', 'a', 'w' ), "Raw audio" },
107 { WAVE_FORMAT_ADPCM, VLC_FOURCC( 'm', 's', 0x00,0x02), "Adpcm" },
108 { WAVE_FORMAT_ALAW, VLC_FOURCC( 'a', 'l', 'a', 'w' ), "A-Law" },
109 { WAVE_FORMAT_MULAW, VLC_FOURCC( 'm', 'l', 'a', 'w' ), "Mu-Law" },
110 { WAVE_FORMAT_IMA_ADPCM,VLC_FOURCC( 'm', 's', 0x00,0x11), "Ima-Adpcm" },
111 { WAVE_FORMAT_MPEGLAYER3,VLC_FOURCC('m', 'p', 'g', 'a' ), "Mpeg Audio" },
112 { WAVE_FORMAT_MPEG, VLC_FOURCC( 'm', 'p', 'g', 'a' ), "Mpeg Audio" },
113 { WAVE_FORMAT_A52, VLC_FOURCC( 'a', '5', '2', ' ' ), "A/52" },
114 { WAVE_FORMAT_WMA1, VLC_FOURCC( 'w', 'm', 'a', '1' ), "Window Media Audio 1" },
115 { WAVE_FORMAT_WMA2, VLC_FOURCC( 'w', 'm', 'a', '2' ), "Window Media Audio 2" },
116 { WAVE_FORMAT_WMA3, VLC_FOURCC( 'w', 'm', 'a', '3' ), "Window Media Audio 3" },
117 { WAVE_FORMAT_DK3, VLC_FOURCC( 'm', 's', 0x00,0x61), "Duck DK3" },
118 { WAVE_FORMAT_DK4, VLC_FOURCC( 'm', 's', 0x00,0x62), "Duck DK4" },
119 { WAVE_FORMAT_UNKNOWN, VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
122 static inline void wf_tag_to_fourcc( uint16_t i_tag,
123 vlc_fourcc_t *fcc, char **ppsz_name )
126 for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
128 if( wave_format_tag_to_fourcc[i].i_tag == i_tag )
135 *fcc = wave_format_tag_to_fourcc[i].i_fourcc;
139 *ppsz_name = wave_format_tag_to_fourcc[i].psz_name;
144 #endif /* "codecs.h" */