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from cffi import FFI
ffibuilder = FFI()
ffibuilder.set_source('_sounddevice', None)
ffibuilder.cdef("""
int Pa_GetVersion( void );
const char* Pa_GetVersionText( void );
typedef int PaError;
typedef enum PaErrorCode
{
paNoError = 0,
paNotInitialized = -10000,
paUnanticipatedHostError,
paInvalidChannelCount,
paInvalidSampleRate,
paInvalidDevice,
paInvalidFlag,
paSampleFormatNotSupported,
paBadIODeviceCombination,
paInsufficientMemory,
paBufferTooBig,
paBufferTooSmall,
paNullCallback,
paBadStreamPtr,
paTimedOut,
paInternalError,
paDeviceUnavailable,
paIncompatibleHostApiSpecificStreamInfo,
paStreamIsStopped,
paStreamIsNotStopped,
paInputOverflowed,
paOutputUnderflowed,
paHostApiNotFound,
paInvalidHostApi,
paCanNotReadFromACallbackStream,
paCanNotWriteToACallbackStream,
paCanNotReadFromAnOutputOnlyStream,
paCanNotWriteToAnInputOnlyStream,
paIncompatibleStreamHostApi,
paBadBufferPtr
} PaErrorCode;
const char *Pa_GetErrorText( PaError errorCode );
PaError Pa_Initialize( void );
PaError Pa_Terminate( void );
typedef int PaDeviceIndex;
#define paNoDevice -1
#define paUseHostApiSpecificDeviceSpecification -2
typedef int PaHostApiIndex;
PaHostApiIndex Pa_GetHostApiCount( void );
PaHostApiIndex Pa_GetDefaultHostApi( void );
typedef enum PaHostApiTypeId
{
paInDevelopment=0,
paDirectSound=1,
paMME=2,
paASIO=3,
paSoundManager=4,
paCoreAudio=5,
paOSS=7,
paALSA=8,
paAL=9,
paBeOS=10,
paWDMKS=11,
paJACK=12,
paWASAPI=13,
paAudioScienceHPI=14
} PaHostApiTypeId;
typedef struct PaHostApiInfo
{
int structVersion;
PaHostApiTypeId type;
const char *name;
int deviceCount;
PaDeviceIndex defaultInputDevice;
PaDeviceIndex defaultOutputDevice;
} PaHostApiInfo;
const PaHostApiInfo * Pa_GetHostApiInfo( PaHostApiIndex hostApi );
PaHostApiIndex Pa_HostApiTypeIdToHostApiIndex( PaHostApiTypeId type );
PaDeviceIndex Pa_HostApiDeviceIndexToDeviceIndex( PaHostApiIndex hostApi,
int hostApiDeviceIndex );
typedef struct PaHostErrorInfo{
PaHostApiTypeId hostApiType;
long errorCode;
const char *errorText;
}PaHostErrorInfo;
const PaHostErrorInfo* Pa_GetLastHostErrorInfo( void );
PaDeviceIndex Pa_GetDeviceCount( void );
PaDeviceIndex Pa_GetDefaultInputDevice( void );
PaDeviceIndex Pa_GetDefaultOutputDevice( void );
typedef double PaTime;
typedef unsigned long PaSampleFormat;
#define paFloat32 0x00000001
#define paInt32 0x00000002
#define paInt24 0x00000004
#define paInt16 0x00000008
#define paInt8 0x00000010
#define paUInt8 0x00000020
#define paCustomFormat 0x00010000
#define paNonInterleaved 0x80000000
typedef struct PaDeviceInfo
{
int structVersion;
const char *name;
PaHostApiIndex hostApi;
int maxInputChannels;
int maxOutputChannels;
PaTime defaultLowInputLatency;
PaTime defaultLowOutputLatency;
PaTime defaultHighInputLatency;
PaTime defaultHighOutputLatency;
double defaultSampleRate;
} PaDeviceInfo;
const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceIndex device );
typedef struct PaStreamParameters
{
PaDeviceIndex device;
int channelCount;
PaSampleFormat sampleFormat;
PaTime suggestedLatency;
void *hostApiSpecificStreamInfo;
} PaStreamParameters;
#define paFormatIsSupported 0
PaError Pa_IsFormatSupported( const PaStreamParameters *inputParameters,
const PaStreamParameters *outputParameters,
double sampleRate );
typedef void PaStream;
#define paFramesPerBufferUnspecified 0
typedef unsigned long PaStreamFlags;
#define paNoFlag 0
#define paClipOff 0x00000001
#define paDitherOff 0x00000002
#define paNeverDropInput 0x00000004
#define paPrimeOutputBuffersUsingStreamCallback 0x00000008
#define paPlatformSpecificFlags 0xFFFF0000
typedef struct PaStreamCallbackTimeInfo{
PaTime inputBufferAdcTime;
PaTime currentTime;
PaTime outputBufferDacTime;
} PaStreamCallbackTimeInfo;
typedef unsigned long PaStreamCallbackFlags;
#define paInputUnderflow 0x00000001
#define paInputOverflow 0x00000002
#define paOutputUnderflow 0x00000004
#define paOutputOverflow 0x00000008
#define paPrimingOutput 0x00000010
typedef enum PaStreamCallbackResult
{
paContinue=0,
paComplete=1,
paAbort=2
} PaStreamCallbackResult;
typedef int PaStreamCallback(
const void *input, void *output,
unsigned long frameCount,
const PaStreamCallbackTimeInfo* timeInfo,
PaStreamCallbackFlags statusFlags,
void *userData );
PaError Pa_OpenStream( PaStream** stream,
const PaStreamParameters *inputParameters,
const PaStreamParameters *outputParameters,
double sampleRate,
unsigned long framesPerBuffer,
PaStreamFlags streamFlags,
PaStreamCallback *streamCallback,
void *userData );
PaError Pa_OpenDefaultStream( PaStream** stream,
int numInputChannels,
int numOutputChannels,
PaSampleFormat sampleFormat,
double sampleRate,
unsigned long framesPerBuffer,
PaStreamCallback *streamCallback,
void *userData );
PaError Pa_CloseStream( PaStream *stream );
typedef void PaStreamFinishedCallback( void *userData );
PaError Pa_SetStreamFinishedCallback( PaStream *stream,
PaStreamFinishedCallback* streamFinishedCallback );
PaError Pa_StartStream( PaStream *stream );
PaError Pa_StopStream( PaStream *stream );
PaError Pa_AbortStream( PaStream *stream );
PaError Pa_IsStreamStopped( PaStream *stream );
PaError Pa_IsStreamActive( PaStream *stream );
typedef struct PaStreamInfo
{
int structVersion;
PaTime inputLatency;
PaTime outputLatency;
double sampleRate;
} PaStreamInfo;
const PaStreamInfo* Pa_GetStreamInfo( PaStream *stream );
PaTime Pa_GetStreamTime( PaStream *stream );
double Pa_GetStreamCpuLoad( PaStream* stream );
PaError Pa_ReadStream( PaStream* stream,
void *buffer,
unsigned long frames );
PaError Pa_WriteStream( PaStream* stream,
const void *buffer,
unsigned long frames );
signed long Pa_GetStreamReadAvailable( PaStream* stream );
signed long Pa_GetStreamWriteAvailable( PaStream* stream );
PaHostApiTypeId Pa_GetStreamHostApiType( PaStream* stream );
PaError Pa_GetSampleSize( PaSampleFormat format );
void Pa_Sleep( long msec );
/* pa_mac_core.h */
typedef int32_t SInt32;
typedef struct
{
unsigned long size;
PaHostApiTypeId hostApiType;
unsigned long version;
unsigned long flags;
SInt32 const * channelMap;
unsigned long channelMapSize;
} PaMacCoreStreamInfo;
void PaMacCore_SetupStreamInfo( PaMacCoreStreamInfo *data, unsigned long flags );
void PaMacCore_SetupChannelMap( PaMacCoreStreamInfo *data, const SInt32 * const channelMap, unsigned long channelMapSize );
const char *PaMacCore_GetChannelName( int device, int channelIndex, bool input );
#define paMacCoreChangeDeviceParameters 0x01
#define paMacCoreFailIfConversionRequired 0x02
#define paMacCoreConversionQualityMin 0x0100
#define paMacCoreConversionQualityMedium 0x0200
#define paMacCoreConversionQualityLow 0x0300
#define paMacCoreConversionQualityHigh 0x0400
#define paMacCoreConversionQualityMax 0x0000
#define paMacCorePlayNice 0x00
#define paMacCorePro 0x01
#define paMacCoreMinimizeCPUButPlayNice 0x0100
#define paMacCoreMinimizeCPU 0x0101
/* pa_win_waveformat.h */
typedef unsigned long PaWinWaveFormatChannelMask;
/* pa_asio.h */
#define paAsioUseChannelSelectors 0x01
typedef struct PaAsioStreamInfo
{
unsigned long size;
PaHostApiTypeId hostApiType;
unsigned long version;
unsigned long flags;
int *channelSelectors;
} PaAsioStreamInfo;
/* pa_win_wasapi.h */
typedef enum PaWasapiFlags
{
paWinWasapiExclusive = 1,
paWinWasapiRedirectHostProcessor = 2,
paWinWasapiUseChannelMask = 4,
paWinWasapiPolling = 8,
paWinWasapiThreadPriority = 16,
paWinWasapiAutoConvert = 64
} PaWasapiFlags;
typedef void (*PaWasapiHostProcessorCallback) (
void *inputBuffer, long inputFrames,
void *outputBuffer, long outputFrames, void *userData);
typedef enum PaWasapiThreadPriority
{
eThreadPriorityNone = 0,
eThreadPriorityAudio,
eThreadPriorityCapture,
eThreadPriorityDistribution,
eThreadPriorityGames,
eThreadPriorityPlayback,
eThreadPriorityProAudio,
eThreadPriorityWindowManager
} PaWasapiThreadPriority;
typedef enum PaWasapiStreamCategory
{
eAudioCategoryOther = 0,
eAudioCategoryCommunications = 3,
eAudioCategoryAlerts = 4,
eAudioCategorySoundEffects = 5,
eAudioCategoryGameEffects = 6,
eAudioCategoryGameMedia = 7,
eAudioCategoryGameChat = 8,
eAudioCategorySpeech = 9,
eAudioCategoryMovie = 10,
eAudioCategoryMedia = 11
} PaWasapiStreamCategory;
typedef enum PaWasapiStreamOption
{
eStreamOptionNone = 0,
eStreamOptionRaw = 1,
eStreamOptionMatchFormat = 2
} PaWasapiStreamOption;
typedef struct PaWasapiStreamInfo
{
unsigned long size;
PaHostApiTypeId hostApiType;
unsigned long version;
unsigned long flags;
PaWinWaveFormatChannelMask channelMask;
PaWasapiHostProcessorCallback hostProcessorOutput;
PaWasapiHostProcessorCallback hostProcessorInput;
PaWasapiThreadPriority threadPriority;
PaWasapiStreamCategory streamCategory;
PaWasapiStreamOption streamOption;
} PaWasapiStreamInfo;
PaError PaWasapi_UpdateDeviceList();
int PaWasapi_IsLoopback( PaDeviceIndex device );
""")
if __name__ == '__main__':
ffibuilder.compile(verbose=True)
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