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Julius 4.2
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00001 #ifndef PA_WIN_WAVEFORMAT_H 00002 #define PA_WIN_WAVEFORMAT_H 00003 00004 /* 00005 * PortAudio Portable Real-Time Audio Library 00006 * Windows WAVEFORMAT* data structure utilities 00007 * portaudio.h should be included before this file. 00008 * 00009 * Copyright (c) 2007 Ross Bencina 00010 * 00011 * Permission is hereby granted, free of charge, to any person obtaining 00012 * a copy of this software and associated documentation files 00013 * (the "Software"), to deal in the Software without restriction, 00014 * including without limitation the rights to use, copy, modify, merge, 00015 * publish, distribute, sublicense, and/or sell copies of the Software, 00016 * and to permit persons to whom the Software is furnished to do so, 00017 * subject to the following conditions: 00018 * 00019 * The above copyright notice and this permission notice shall be 00020 * included in all copies or substantial portions of the Software. 00021 * 00022 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00023 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00024 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00025 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 00026 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 00027 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00028 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00029 */ 00030 00031 /* 00032 * The text above constitutes the entire PortAudio license; however, 00033 * the PortAudio community also makes the following non-binding requests: 00034 * 00035 * Any person wishing to distribute modifications to the Software is 00036 * requested to send the modifications to the original developer so that 00037 * they can be incorporated into the canonical version. It is also 00038 * requested that these non-binding requests be included along with the 00039 * license above. 00040 */ 00041 00046 #ifdef __cplusplus 00047 extern "C" { 00048 #endif 00049 00050 /* 00051 The following #defines for speaker channel masks are the same 00052 as those in ksmedia.h, except with PAWIN_ prepended, KSAUDIO_ removed 00053 in some cases, and casts to PaWinWaveFormatChannelMask added. 00054 */ 00055 00056 typedef unsigned long PaWinWaveFormatChannelMask; 00057 00058 /* Speaker Positions: */ 00059 #define PAWIN_SPEAKER_FRONT_LEFT ((PaWinWaveFormatChannelMask)0x1) 00060 #define PAWIN_SPEAKER_FRONT_RIGHT ((PaWinWaveFormatChannelMask)0x2) 00061 #define PAWIN_SPEAKER_FRONT_CENTER ((PaWinWaveFormatChannelMask)0x4) 00062 #define PAWIN_SPEAKER_LOW_FREQUENCY ((PaWinWaveFormatChannelMask)0x8) 00063 #define PAWIN_SPEAKER_BACK_LEFT ((PaWinWaveFormatChannelMask)0x10) 00064 #define PAWIN_SPEAKER_BACK_RIGHT ((PaWinWaveFormatChannelMask)0x20) 00065 #define PAWIN_SPEAKER_FRONT_LEFT_OF_CENTER ((PaWinWaveFormatChannelMask)0x40) 00066 #define PAWIN_SPEAKER_FRONT_RIGHT_OF_CENTER ((PaWinWaveFormatChannelMask)0x80) 00067 #define PAWIN_SPEAKER_BACK_CENTER ((PaWinWaveFormatChannelMask)0x100) 00068 #define PAWIN_SPEAKER_SIDE_LEFT ((PaWinWaveFormatChannelMask)0x200) 00069 #define PAWIN_SPEAKER_SIDE_RIGHT ((PaWinWaveFormatChannelMask)0x400) 00070 #define PAWIN_SPEAKER_TOP_CENTER ((PaWinWaveFormatChannelMask)0x800) 00071 #define PAWIN_SPEAKER_TOP_FRONT_LEFT ((PaWinWaveFormatChannelMask)0x1000) 00072 #define PAWIN_SPEAKER_TOP_FRONT_CENTER ((PaWinWaveFormatChannelMask)0x2000) 00073 #define PAWIN_SPEAKER_TOP_FRONT_RIGHT ((PaWinWaveFormatChannelMask)0x4000) 00074 #define PAWIN_SPEAKER_TOP_BACK_LEFT ((PaWinWaveFormatChannelMask)0x8000) 00075 #define PAWIN_SPEAKER_TOP_BACK_CENTER ((PaWinWaveFormatChannelMask)0x10000) 00076 #define PAWIN_SPEAKER_TOP_BACK_RIGHT ((PaWinWaveFormatChannelMask)0x20000) 00077 00078 /* Bit mask locations reserved for future use */ 00079 #define PAWIN_SPEAKER_RESERVED ((PaWinWaveFormatChannelMask)0x7FFC0000) 00080 00081 /* Used to specify that any possible permutation of speaker configurations */ 00082 #define PAWIN_SPEAKER_ALL ((PaWinWaveFormatChannelMask)0x80000000) 00083 00084 /* DirectSound Speaker Config */ 00085 #define PAWIN_SPEAKER_DIRECTOUT 0 00086 #define PAWIN_SPEAKER_MONO (PAWIN_SPEAKER_FRONT_CENTER) 00087 #define PAWIN_SPEAKER_STEREO (PAWIN_SPEAKER_FRONT_LEFT | PAWIN_SPEAKER_FRONT_RIGHT) 00088 #define PAWIN_SPEAKER_QUAD (PAWIN_SPEAKER_FRONT_LEFT | PAWIN_SPEAKER_FRONT_RIGHT | \ 00089 PAWIN_SPEAKER_BACK_LEFT | PAWIN_SPEAKER_BACK_RIGHT) 00090 #define PAWIN_SPEAKER_SURROUND (PAWIN_SPEAKER_FRONT_LEFT | PAWIN_SPEAKER_FRONT_RIGHT | \ 00091 PAWIN_SPEAKER_FRONT_CENTER | PAWIN_SPEAKER_BACK_CENTER) 00092 #define PAWIN_SPEAKER_5POINT1 (PAWIN_SPEAKER_FRONT_LEFT | PAWIN_SPEAKER_FRONT_RIGHT | \ 00093 PAWIN_SPEAKER_FRONT_CENTER | PAWIN_SPEAKER_LOW_FREQUENCY | \ 00094 PAWIN_SPEAKER_BACK_LEFT | PAWIN_SPEAKER_BACK_RIGHT) 00095 #define PAWIN_SPEAKER_7POINT1 (PAWIN_SPEAKER_FRONT_LEFT | PAWIN_SPEAKER_FRONT_RIGHT | \ 00096 PAWIN_SPEAKER_FRONT_CENTER | PAWIN_SPEAKER_LOW_FREQUENCY | \ 00097 PAWIN_SPEAKER_BACK_LEFT | PAWIN_SPEAKER_BACK_RIGHT | \ 00098 PAWIN_SPEAKER_FRONT_LEFT_OF_CENTER | PAWIN_SPEAKER_FRONT_RIGHT_OF_CENTER) 00099 #define PAWIN_SPEAKER_5POINT1_SURROUND (PAWIN_SPEAKER_FRONT_LEFT | PAWIN_SPEAKER_FRONT_RIGHT | \ 00100 PAWIN_SPEAKER_FRONT_CENTER | PAWIN_SPEAKER_LOW_FREQUENCY | \ 00101 PAWIN_SPEAKER_SIDE_LEFT | PAWIN_SPEAKER_SIDE_RIGHT) 00102 #define PAWIN_SPEAKER_7POINT1_SURROUND (PAWIN_SPEAKER_FRONT_LEFT | PAWIN_SPEAKER_FRONT_RIGHT | \ 00103 PAWIN_SPEAKER_FRONT_CENTER | PAWIN_SPEAKER_LOW_FREQUENCY | \ 00104 PAWIN_SPEAKER_BACK_LEFT | PAWIN_SPEAKER_BACK_RIGHT | \ 00105 PAWIN_SPEAKER_SIDE_LEFT | PAWIN_SPEAKER_SIDE_RIGHT) 00106 /* 00107 According to the Microsoft documentation: 00108 The following are obsolete 5.1 and 7.1 settings (they lack side speakers). Note this means 00109 that the default 5.1 and 7.1 settings (KSAUDIO_SPEAKER_5POINT1 and KSAUDIO_SPEAKER_7POINT1 are 00110 similarly obsolete but are unchanged for compatibility reasons). 00111 */ 00112 #define PAWIN_SPEAKER_5POINT1_BACK PAWIN_SPEAKER_5POINT1 00113 #define PAWIN_SPEAKER_7POINT1_WIDE PAWIN_SPEAKER_7POINT1 00114 00115 /* DVD Speaker Positions */ 00116 #define PAWIN_SPEAKER_GROUND_FRONT_LEFT PAWIN_SPEAKER_FRONT_LEFT 00117 #define PAWIN_SPEAKER_GROUND_FRONT_CENTER PAWIN_SPEAKER_FRONT_CENTER 00118 #define PAWIN_SPEAKER_GROUND_FRONT_RIGHT PAWIN_SPEAKER_FRONT_RIGHT 00119 #define PAWIN_SPEAKER_GROUND_REAR_LEFT PAWIN_SPEAKER_BACK_LEFT 00120 #define PAWIN_SPEAKER_GROUND_REAR_RIGHT PAWIN_SPEAKER_BACK_RIGHT 00121 #define PAWIN_SPEAKER_TOP_MIDDLE PAWIN_SPEAKER_TOP_CENTER 00122 #define PAWIN_SPEAKER_SUPER_WOOFER PAWIN_SPEAKER_LOW_FREQUENCY 00123 00124 00125 /* 00126 PaWinWaveFormat is defined here to provide compatibility with 00127 compilation environments which don't have headers defining 00128 WAVEFORMATEXTENSIBLE (e.g. older versions of MSVC, Borland C++ etc. 00129 00130 The fields for WAVEFORMATEX and WAVEFORMATEXTENSIBLE are declared as an 00131 unsigned char array here to avoid clients who include this file having 00132 a dependency on windows.h and mmsystem.h, and also to to avoid having 00133 to write separate packing pragmas for each compiler. 00134 */ 00135 #define PAWIN_SIZEOF_WAVEFORMATEX 18 00136 #define PAWIN_SIZEOF_WAVEFORMATEXTENSIBLE (PAWIN_SIZEOF_WAVEFORMATEX + 22) 00137 00138 typedef struct{ 00139 unsigned char fields[ PAWIN_SIZEOF_WAVEFORMATEXTENSIBLE ]; 00140 unsigned long extraLongForAlignment; /* ensure that compiler aligns struct to DWORD */ 00141 } PaWinWaveFormat; 00142 00143 /* 00144 WAVEFORMATEXTENSIBLE fields: 00145 00146 union { 00147 WORD wValidBitsPerSample; 00148 WORD wSamplesPerBlock; 00149 WORD wReserved; 00150 } Samples; 00151 DWORD dwChannelMask; 00152 GUID SubFormat; 00153 */ 00154 00155 #define PAWIN_INDEXOF_WVALIDBITSPERSAMPLE (PAWIN_SIZEOF_WAVEFORMATEX+0) 00156 #define PAWIN_INDEXOF_DWCHANNELMASK (PAWIN_SIZEOF_WAVEFORMATEX+2) 00157 #define PAWIN_INDEXOF_SUBFORMAT (PAWIN_SIZEOF_WAVEFORMATEX+6) 00158 00159 /* 00160 Use the following two functions to initialize the waveformat structure. 00161 */ 00162 00163 void PaWin_InitializeWaveFormatEx( PaWinWaveFormat *waveFormat, 00164 int numChannels, PaSampleFormat sampleFormat, double sampleRate ); 00165 00166 00167 void PaWin_InitializeWaveFormatExtensible( PaWinWaveFormat *waveFormat, 00168 int numChannels, PaSampleFormat sampleFormat, double sampleRate, 00169 PaWinWaveFormatChannelMask channelMask ); 00170 00171 00172 /* Map a channel count to a speaker channel mask */ 00173 PaWinWaveFormatChannelMask PaWin_DefaultChannelMask( int numChannels ); 00174 00175 00176 #ifdef __cplusplus 00177 } 00178 #endif /* __cplusplus */ 00179 00180 #endif /* PA_WIN_WAVEFORMAT_H */
1.7.4