00001 #ifndef PA_LINUX_ALSA_H 00002 #define PA_LINUX_ALSA_H 00003 00004 /* 00005 * $Id: pa_linux_alsa.h 1236 2007-06-24 20:39:26Z aknudsen $ 00006 * PortAudio Portable Real-Time Audio Library 00007 * ALSA-specific extensions 00008 * 00009 * Copyright (c) 1999-2000 Ross Bencina and Phil Burk 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 00045 #include "portaudio.h" 00046 00047 #ifdef __cplusplus 00048 extern "C" { 00049 #endif 00050 00051 typedef struct PaAlsaStreamInfo 00052 { 00053 unsigned long size; 00054 PaHostApiTypeId hostApiType; 00055 unsigned long version; 00056 00057 const char *deviceString; 00058 } 00059 PaAlsaStreamInfo; 00060 00062 void PaAlsa_InitializeStreamInfo( PaAlsaStreamInfo *info ); 00063 00069 void PaAlsa_EnableRealtimeScheduling( PaStream *s, int enable ); 00070 00071 #if 0 00072 void PaAlsa_EnableWatchdog( PaStream *s, int enable ); 00073 #endif 00074 00076 PaError PaAlsa_GetStreamInputCard( PaStream *s, int *card ); 00077 00079 PaError PaAlsa_GetStreamOutputCard( PaStream *s, int *card ); 00080 00087 PaError PaAlsa_SetNumPeriods( int numPeriods ); 00088 00089 #ifdef __cplusplus 00090 } 00091 #endif 00092 00093 #endif
1.5.5