portaudio.h文件使用说明(函数文档).doc

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1、portaudio.hFileReferenceTheportablePortAudioAPI.More...Gotothesourcecodeofthisfile.DataStructuresstruct PaHostApiInfostruct PaHostErrorInfostruct PaDeviceInfostruct PaStreamParametersstruct PaStreamCallbackTimeInfostruct PaStreamInfoDefines#define paNoDevice   ((PaDeviceIndex)-1)#defin

2、e paUseHostApiSpecificDeviceSpecification   ((PaDeviceIndex)-2)#define paFloat32   ((PaSampleFormat)0x00000001)#define paInt32   ((PaSampleFormat)0x00000002)#define paInt24   ((PaSampleFormat)0x00000004)#define paInt16   ((PaSampleFormat)0x00000008)#define paInt8   ((PaSampleFormat)0x0

3、0000010)#define paUInt8   ((PaSampleFormat)0x00000020)#define paCustomFormat   ((PaSampleFormat)0x00010000)#define paNonInterleaved   ((PaSampleFormat)0x80000000)#define paFormatIsSupported   (0)#define paFramesPerBufferUnspecified   (0)#define paNoFlag   ((PaStreamFlags)0)#define paCl

4、ipOff   ((PaStreamFlags)0x00000001)#define paDitherOff   ((PaStreamFlags)0x00000002)#define paNeverDropInput   ((PaStreamFlags)0x00000004)#define paPrimeOutputBuffersUsingStreamCallback   ((PaStreamFlags)0x00000008)#define paPlatformSpecificFlags   ((PaStreamFlags)0xFFFF0000)#define pa

5、InputUnderflow   ((PaStreamCallbackFlags)0x00000001)#define paInputOverflow   ((PaStreamCallbackFlags)0x00000002)#define paOutputUnderflow   ((PaStreamCallbackFlags)0x00000004)#define paOutputOverflow   ((PaStreamCallbackFlags)0x00000008)#define paPrimingOutput   ((PaStreamCallbackFlag

6、s)0x00000010)Typedefstypedefint PaErrortypedefint PaDeviceIndextypedefint PaHostApiIndextypedefdouble PaTimetypedefunsignedlong PaSampleFormattypedefvoid PaStreamtypedefunsignedlong PaStreamFlagstypedefunsignedlong PaStreamCallbackFlagstypedefint PaStreamCallback(constvoid*input,void*o

7、utput,unsignedlongframeCount,constPaStreamCallbackTimeInfo*timeInfo,PaStreamCallbackFlagsstatusFlags,void*userData)typedefvoid PaStreamFinishedCallback(void*userData)Enumerationsenum PaErrorCode{  paNoError=0,paNotInitialized=-10000,paUnanticipatedHostError,paInvalidChannelCount,  pa