From fe8aa4ce5e8eebc1c6f762f4fc40328718a13e22 Mon Sep 17 00:00:00 2001 From: Miller Puckette Date: Sat, 31 Dec 2005 01:32:12 +0000 Subject: Deleted unused (?) files svn path=/trunk/; revision=4318 --- pd/portaudio_v18/pa_dll_switch/PaDllEntry.h | 184 ----- .../pa_dll_switch/letter_from_tim_010817.txt | Bin 1176 -> 0 bytes pd/portaudio_v18/pa_dll_switch/loadPA_DLL.cpp | 203 ----- pd/portaudio_v18/pa_dll_switch/pa_lib.c | 827 --------------------- pd/portaudio_v18/pa_dll_switch/portaudio.h | 439 ----------- 5 files changed, 1653 deletions(-) delete mode 100644 pd/portaudio_v18/pa_dll_switch/PaDllEntry.h delete mode 100644 pd/portaudio_v18/pa_dll_switch/letter_from_tim_010817.txt delete mode 100644 pd/portaudio_v18/pa_dll_switch/loadPA_DLL.cpp delete mode 100644 pd/portaudio_v18/pa_dll_switch/pa_lib.c delete mode 100644 pd/portaudio_v18/pa_dll_switch/portaudio.h (limited to 'pd/portaudio_v18/pa_dll_switch') diff --git a/pd/portaudio_v18/pa_dll_switch/PaDllEntry.h b/pd/portaudio_v18/pa_dll_switch/PaDllEntry.h deleted file mode 100644 index e070054b..00000000 --- a/pd/portaudio_v18/pa_dll_switch/PaDllEntry.h +++ /dev/null @@ -1,184 +0,0 @@ - -/* - * PortAudio Portable Real-Time Audio Library - * PortAudio DLL Header File - * Latest version available at: http://www.audiomulch.com/portaudio/ - * - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -// changed by zplane.developement in order to generate a DLL - -#ifndef __PADLLENTRY_HEADER_INCLUDED__ - -#define __PADLLENTRY_HEADER_INCLUDED__ - -typedef int PaError; -typedef enum { - paNoError = 0, - - paHostError = -10000, - paInvalidChannelCount, - paInvalidSampleRate, - paInvalidDeviceId, - paInvalidFlag, - paSampleFormatNotSupported, - paBadIODeviceCombination, - paInsufficientMemory, - paBufferTooBig, - paBufferTooSmall, - paNullCallback, - paBadStreamPtr, - paTimedOut, - paInternalError -} PaErrorNum; - -typedef unsigned long PaSampleFormat; -#define paFloat32 ((PaSampleFormat) (1<<0)) /*always available*/ -#define paInt16 ((PaSampleFormat) (1<<1)) /*always available*/ -#define paInt32 ((PaSampleFormat) (1<<2)) /*always available*/ -#define paInt24 ((PaSampleFormat) (1<<3)) -#define paPackedInt24 ((PaSampleFormat) (1<<4)) -#define paInt8 ((PaSampleFormat) (1<<5)) -#define paUInt8 ((PaSampleFormat) (1<<6)) /* unsigned 8 bit, 128 is "ground" */ -#define paCustomFormat ((PaSampleFormat) (1<<16)) - - -typedef int PaDeviceID; -#define paNoDevice -1 - -typedef struct -{ - int structVersion; - const char *name; - int maxInputChannels; - int maxOutputChannels; - /* Number of discrete rates, or -1 if range supported. */ - int numSampleRates; - /* Array of supported sample rates, or {min,max} if range supported. */ - const double *sampleRates; - PaSampleFormat nativeSampleFormats; -} -PaDeviceInfo; - - -typedef double PaTimestamp; - - -typedef int (PortAudioCallback)( - void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - PaTimestamp outTime, void *userData ); - - -#define paNoFlag (0) -#define paClipOff (1<<0) /* disable default clipping of out of range samples */ -#define paDitherOff (1<<1) /* disable default dithering */ -#define paPlatformSpecificFlags (0x00010000) -typedef unsigned long PaStreamFlags; - -typedef void PortAudioStream; -#define PaStream PortAudioStream - -extern PaError (__cdecl* Pa_Initialize)( void ); - - - -extern PaError (__cdecl* Pa_Terminate)( void ); - - -extern long (__cdecl* Pa_GetHostError)( void ); - - -extern const char* (__cdecl* Pa_GetErrorText)( PaError ); - - - -extern int (__cdecl* Pa_CountDevices)(void); - -extern PaDeviceID (__cdecl* Pa_GetDefaultInputDeviceID)( void ); - -extern PaDeviceID (__cdecl* Pa_GetDefaultOutputDeviceID)( void ); - - -extern const PaDeviceInfo* (__cdecl* Pa_GetDeviceInfo)( PaDeviceID); - - - -extern PaError (__cdecl* Pa_OpenStream)( - PortAudioStream ** , - PaDeviceID , - int , - PaSampleFormat , - void *, - PaDeviceID , - int , - PaSampleFormat , - void *, - double , - unsigned long , - unsigned long , - unsigned long , - PortAudioCallback *, - void * ); - - - -extern PaError (__cdecl* Pa_OpenDefaultStream)( PortAudioStream** stream, - int numInputChannels, - int numOutputChannels, - PaSampleFormat sampleFormat, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - PortAudioCallback *callback, - void *userData ); - - -extern PaError (__cdecl* Pa_CloseStream)( PortAudioStream* ); - - -extern PaError (__cdecl* Pa_StartStream)( PortAudioStream *stream ); - -extern PaError (__cdecl* Pa_StopStream)( PortAudioStream *stream ); - -extern PaError (__cdecl* Pa_AbortStream)( PortAudioStream *stream ); - -extern PaError (__cdecl* Pa_StreamActive)( PortAudioStream *stream ); - -extern PaTimestamp (__cdecl* Pa_StreamTime)( PortAudioStream *stream ); - -extern double (__cdecl* Pa_GetCPULoad)( PortAudioStream* stream ); - -extern int (__cdecl* Pa_GetMinNumBuffers)( int framesPerBuffer, double sampleRate ); - -extern void (__cdecl* Pa_Sleep)( long msec ); - -extern PaError (__cdecl* Pa_GetSampleSize)( PaSampleFormat format ); - -#endif // __PADLLENTRY_HEADER_INCLUDED__ - diff --git a/pd/portaudio_v18/pa_dll_switch/letter_from_tim_010817.txt b/pd/portaudio_v18/pa_dll_switch/letter_from_tim_010817.txt deleted file mode 100644 index a535cd1d..00000000 Binary files a/pd/portaudio_v18/pa_dll_switch/letter_from_tim_010817.txt and /dev/null differ diff --git a/pd/portaudio_v18/pa_dll_switch/loadPA_DLL.cpp b/pd/portaudio_v18/pa_dll_switch/loadPA_DLL.cpp deleted file mode 100644 index 043eda87..00000000 --- a/pd/portaudio_v18/pa_dll_switch/loadPA_DLL.cpp +++ /dev/null @@ -1,203 +0,0 @@ -////////////////////////////////////////////////////////////////////////// - - -HINSTANCE pPaDll; - -/* - the function pointers to the PortAudio DLLs -*/ - -PaError (__cdecl* Pa_Initialize)( void ); - - - -PaError (__cdecl* Pa_Terminate)( void ); - - -long (__cdecl* Pa_GetHostError)( void ); - - -const char* (__cdecl* Pa_GetErrorText)( PaError ); - - -int (__cdecl* Pa_CountDevices)(void); - -PaDeviceID (__cdecl* Pa_GetDefaultInputDeviceID)( void ); - -PaDeviceID (__cdecl* Pa_GetDefaultOutputDeviceID)( void ); - - -const PaDeviceInfo* (__cdecl* Pa_GetDeviceInfo)( PaDeviceID); - - - -PaError (__cdecl* Pa_OpenStream)( - PortAudioStream ** , - PaDeviceID , - int , - PaSampleFormat , - void *, - PaDeviceID , - int , - PaSampleFormat , - void *, - double , - unsigned long , - unsigned long , - unsigned long , - PortAudioCallback *, - void * ); - - - -PaError (__cdecl* Pa_OpenDefaultStream)( PortAudioStream** stream, - int numInputChannels, - int numOutputChannels, - PaSampleFormat sampleFormat, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - PortAudioCallback *callback, - void *userData ); - - -PaError (__cdecl* Pa_CloseStream)( PortAudioStream* ); - - -PaError (__cdecl* Pa_StartStream)( PortAudioStream *stream ); - -PaError (__cdecl* Pa_StopStream)( PortAudioStream *stream ); - -PaError (__cdecl* Pa_AbortStream)( PortAudioStream *stream ); - -PaError (__cdecl* Pa_StreamActive)( PortAudioStream *stream ); - -PaTimestamp (__cdecl* Pa_StreamTime)( PortAudioStream *stream ); - -double (__cdecl* Pa_GetCPULoad)( PortAudioStream* stream ); - -int (__cdecl* Pa_GetMinNumBuffers)( int framesPerBuffer, double sampleRate ); - -void (__cdecl* Pa_Sleep)( long msec ); - -PaError (__cdecl* Pa_GetSampleSize)( PaSampleFormat format ); - - -////////////////////////////////////////////////////////////////////////// - -... - -ZERROR AudioEngine::DirectXSupport(ZBOOL bSupDX) -{ - if (bSupDX) - if (CheckForDirectXSupport()) - bSupportDirectX = _TRUE; - else - return _NO_SOUND; - else - bSupportDirectX = _FALSE; - return _NO_ERROR; -} - - - -ZBOOL AudioEngine::CheckForDirectXSupport() -{ - HMODULE pTestDXLib; - FARPROC pFunctionality; - - pTestDXLib=LoadLibrary("DSOUND"); - if (pTestDXLib!=NULL) // check if there is a DirectSound - { - pFunctionality = GetProcAddress(pTestDXLib, (char*) 7); - if (pFunctionality!=NULL) - { - FreeLibrary(pTestDXLib); - return _TRUE; - } - else - { - FreeLibrary(pTestDXLib); - return _FALSE; - } - } - else - return _FALSE; -} - - -ZERROR AudioEngine::LoadPALib() -{ -#ifdef _DEBUG - if (bSupportDirectX) - pPaDll = LoadLibrary("PA_DXD"); - else - pPaDll = LoadLibrary("PA_MMED"); -#else - if (bSupportDirectX) - pPaDll = LoadLibrary("PA_DX"); - else - pPaDll = LoadLibrary("PA_MME"); -#endif - if (pPaDll!=NULL) - { - - Pa_Initialize = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_Initialize"); - Pa_Terminate = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_Terminate"); - Pa_GetHostError = (long (__cdecl* )( void )) GetProcAddress(pPaDll,"Pa_GetHostError"); - Pa_GetErrorText = (const char* (__cdecl* )( PaError )) GetProcAddress(pPaDll,"Pa_GetErrorText"); - Pa_CountDevices = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_CountDevices"); - Pa_GetDefaultInputDeviceID = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_GetDefaultInputDeviceID"); - Pa_GetDefaultOutputDeviceID = (int (__cdecl*)(void))GetProcAddress(pPaDll,"Pa_GetDefaultOutputDeviceID"); - Pa_GetDeviceInfo = (const PaDeviceInfo* (__cdecl* )( PaDeviceID)) GetProcAddress(pPaDll,"Pa_GetDeviceInfo"); - Pa_OpenStream = ( PaError (__cdecl* )( - PortAudioStream ** , - PaDeviceID , - int , - PaSampleFormat , - void *, - PaDeviceID , - int , - PaSampleFormat , - void *, - double , - unsigned long , - unsigned long , - unsigned long , - PortAudioCallback *, - void * )) GetProcAddress(pPaDll,"Pa_OpenStream"); - - Pa_OpenDefaultStream = (PaError (__cdecl* )( PortAudioStream** , - int , - int , - PaSampleFormat , - double , - unsigned long , - unsigned long , - PortAudioCallback *, - void * )) GetProcAddress(pPaDll,"Pa_OpenDefaultStream"); - Pa_CloseStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_CloseStream"); - Pa_StartStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_StartStream"); - Pa_StopStream = (PaError (__cdecl* )( PortAudioStream* ))GetProcAddress(pPaDll,"Pa_StopStream"); - Pa_AbortStream = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_AbortStream"); - Pa_StreamActive = (PaError (__cdecl* )( PortAudioStream* )) GetProcAddress(pPaDll,"Pa_StreamActive"); - Pa_StreamTime = (PaTimestamp (__cdecl* )( PortAudioStream *))GetProcAddress(pPaDll,"Pa_StreamTime"); - Pa_GetCPULoad = (double (__cdecl* )( PortAudioStream* ))GetProcAddress(pPaDll,"Pa_GetCPULoad"); - Pa_GetMinNumBuffers = (int (__cdecl* )( int , double )) GetProcAddress(pPaDll,"Pa_GetMinNumBuffers"); - Pa_Sleep = (void (__cdecl* )( long )) GetProcAddress(pPaDll,"Pa_Sleep"); - Pa_GetSampleSize = (PaError (__cdecl* )( PaSampleFormat )) GetProcAddress(pPaDll,"Pa_GetSampleSize"); - - return _NO_ERROR; - } - else - return _DLL_NOT_FOUND; -} - -ZERROR AudioEngine::UnLoadPALib() -{ - if (pPaDll!=NULL) - FreeLibrary(pPaDll); - return _NO_ERROR; -} - -... diff --git a/pd/portaudio_v18/pa_dll_switch/pa_lib.c b/pd/portaudio_v18/pa_dll_switch/pa_lib.c deleted file mode 100644 index 86601592..00000000 --- a/pd/portaudio_v18/pa_dll_switch/pa_lib.c +++ /dev/null @@ -1,827 +0,0 @@ -/* - * Portable Audio I/O Library - * Host Independant Layer - * - * Based on the Open Source API proposed by Ross Bencina - * Copyright (c) 1999-2000 Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -/* Modification History: - PLB20010422 - apply Mike Berry's changes for CodeWarrior on PC -*/ - -#include -#include -#include -#include - -/* PLB20010422 - "memory.h" doesn't work on CodeWarrior for PC. Thanks Mike Berry for the mod. */ -#ifdef _WIN32 -#ifndef __MWERKS__ -#include -#endif /* __MWERKS__ */ -#else /* !_WIN32 */ -#include -#endif /* _WIN32 */ - -#include "portaudio.h" -#include "pa_host.h" -#include "pa_trace.h" - -/* The reason we might NOT want to validate the rate before opening the stream - * is because many DirectSound drivers lie about the rates they actually support. - */ -#define PA_VALIDATE_RATE (0) /* If true validate sample rate against driver info. */ - -/* -O- maybe not allocate past_InputBuffer and past_OutputBuffer if not needed for conversion -*/ - -#ifndef FALSE - #define FALSE (0) - #define TRUE (!FALSE) -#endif - -#define PRINT(x) { printf x; fflush(stdout); } -#define ERR_RPT(x) PRINT(x) -#define DBUG(x) /* PRINT(x) */ -#define DBUGX(x) /* PRINT(x) */ - -static int gInitCount = 0; /* Count number of times Pa_Initialize() called to allow nesting and overlapping. */ - -static PaError Pa_KillStream( PortAudioStream *stream, int abort ); - -/***********************************************************************/ -int PaHost_FindClosestTableEntry( double allowableError, const double *rateTable, int numRates, double frameRate ) -{ - double err, minErr = allowableError; - int i, bestFit = -1; - - for( i=0; inumSampleRates == -1 ) - { - /* Is it out of range? */ - if( (requestedFrameRate < pdi->sampleRates[0]) || - (requestedFrameRate > pdi->sampleRates[1]) ) - { - return paInvalidSampleRate; - } - - *closestFrameRatePtr = requestedFrameRate; - } - else - { - bestRateIndex = PaHost_FindClosestTableEntry( 1.0, pdi->sampleRates, pdi->numSampleRates, requestedFrameRate ); - if( bestRateIndex < 0 ) return paInvalidSampleRate; - *closestFrameRatePtr = pdi->sampleRates[bestRateIndex]; - } - return paNoError; -} - -/*************************************************************************/ -DLL_API PaError Pa_OpenStream( - PortAudioStream** streamPtrPtr, - PaDeviceID inputDeviceID, - int numInputChannels, - PaSampleFormat inputSampleFormat, - void *inputDriverInfo, - PaDeviceID outputDeviceID, - int numOutputChannels, - PaSampleFormat outputSampleFormat, - void *outputDriverInfo, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - unsigned long streamFlags, - PortAudioCallback *callback, - void *userData ) -{ - internalPortAudioStream *past = NULL; - PaError result = paNoError; - int bitsPerInputSample; - int bitsPerOutputSample; - /* Print passed parameters. */ - DBUG(("Pa_OpenStream( %p, %d, %d, %d, %p, /* input */ \n", - streamPtrPtr, inputDeviceID, numInputChannels, - inputSampleFormat, inputDriverInfo )); - DBUG((" %d, %d, %d, %p, /* output */\n", - outputDeviceID, numOutputChannels, - outputSampleFormat, outputDriverInfo )); - DBUG((" %g, %d, %d, 0x%x, , %p )\n", - sampleRate, framesPerBuffer, numberOfBuffers, - streamFlags, userData )); - - /* Check for parameter errors. */ - if( (streamFlags & ~(paClipOff | paDitherOff)) != 0 ) return paInvalidFlag; - if( streamPtrPtr == NULL ) return paBadStreamPtr; - if( inputDriverInfo != NULL ) return paHostError; /* REVIEW */ - if( outputDriverInfo != NULL ) return paHostError; /* REVIEW */ - if( (inputDeviceID < 0) && ( outputDeviceID < 0) ) return paInvalidDeviceId; - if( (outputDeviceID >= Pa_CountDevices()) || (inputDeviceID >= Pa_CountDevices()) ) return paInvalidDeviceId; - if( (numInputChannels <= 0) && ( numOutputChannels <= 0) ) return paInvalidChannelCount; - -#if SUPPORT_AUDIO_CAPTURE - if( inputDeviceID >= 0 ) - { - PaError size = Pa_GetSampleSize( inputSampleFormat ); - if( size < 0 ) return size; - bitsPerInputSample = 8 * size; - if( (numInputChannels <= 0) ) return paInvalidChannelCount; - } -#else - if( inputDeviceID >= 0 ) - { - return paInvalidChannelCount; - } -#endif /* SUPPORT_AUDIO_CAPTURE */ - else - { - if( numInputChannels > 0 ) return paInvalidChannelCount; - bitsPerInputSample = 0; - } - - if( outputDeviceID >= 0 ) - { - PaError size = Pa_GetSampleSize( outputSampleFormat ); - if( size < 0 ) return size; - bitsPerOutputSample = 8 * size; - if( (numOutputChannels <= 0) ) return paInvalidChannelCount; - } - else - { - if( numOutputChannels > 0 ) return paInvalidChannelCount; - bitsPerOutputSample = 0; - } - - if( callback == NULL ) return paNullCallback; - - /* Allocate and clear stream structure. */ - past = (internalPortAudioStream *) PaHost_AllocateFastMemory( sizeof(internalPortAudioStream) ); - if( past == NULL ) return paInsufficientMemory; - memset( past, 0, sizeof(internalPortAudioStream) ); - AddTraceMessage("Pa_OpenStream: past", (long) past ); - - past->past_Magic = PA_MAGIC; /* Set ID to catch bugs. */ - past->past_FramesPerUserBuffer = framesPerBuffer; - past->past_NumUserBuffers = numberOfBuffers; /* NOTE - PaHost_OpenStream() NMUST CHECK FOR ZERO! */ - past->past_Callback = callback; - past->past_UserData = userData; - past->past_OutputSampleFormat = outputSampleFormat; - past->past_InputSampleFormat = inputSampleFormat; - past->past_OutputDeviceID = outputDeviceID; - past->past_InputDeviceID = inputDeviceID; - past->past_NumInputChannels = numInputChannels; - past->past_NumOutputChannels = numOutputChannels; - past->past_Flags = streamFlags; - - /* Check for absurd sample rates. */ - if( (sampleRate < 1000.0) || (sampleRate > 200000.0) ) - { - result = paInvalidSampleRate; - goto cleanup; - } - - /* Allocate buffers that may be used for format conversion from user to native buffers. */ - if( numInputChannels > 0 ) - { - -#if PA_VALIDATE_RATE - result = PaHost_ValidateSampleRate( inputDeviceID, sampleRate, &past->past_SampleRate ); - if( result < 0 ) - { - goto cleanup; - } -#else - past->past_SampleRate = sampleRate; -#endif - /* Allocate single Input buffer. */ - past->past_InputBufferSize = framesPerBuffer * numInputChannels * ((bitsPerInputSample+7) / 8); - past->past_InputBuffer = PaHost_AllocateFastMemory(past->past_InputBufferSize); - if( past->past_InputBuffer == NULL ) - { - result = paInsufficientMemory; - goto cleanup; - } - } - else - { - past->past_InputBuffer = NULL; - } - - /* Allocate single Output buffer. */ - if( numOutputChannels > 0 ) - { -#if PA_VALIDATE_RATE - result = PaHost_ValidateSampleRate( outputDeviceID, sampleRate, &past->past_SampleRate ); - if( result < 0 ) - { - goto cleanup; - } -#else - past->past_SampleRate = sampleRate; -#endif - past->past_OutputBufferSize = framesPerBuffer * numOutputChannels * ((bitsPerOutputSample+7) / 8); - past->past_OutputBuffer = PaHost_AllocateFastMemory(past->past_OutputBufferSize); - if( past->past_OutputBuffer == NULL ) - { - result = paInsufficientMemory; - goto cleanup; - } - } - else - { - past->past_OutputBuffer = NULL; - } - - result = PaHost_OpenStream( past ); - if( result < 0 ) goto cleanup; - - *streamPtrPtr = (void *) past; - - return result; - -cleanup: - if( past != NULL ) Pa_CloseStream( past ); - *streamPtrPtr = NULL; - return result; -} - - -/*************************************************************************/ -DLL_API PaError Pa_OpenDefaultStream( PortAudioStream** stream, - int numInputChannels, - int numOutputChannels, - PaSampleFormat sampleFormat, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - PortAudioCallback *callback, - void *userData ) -{ - return Pa_OpenStream( - stream, - ((numInputChannels > 0) ? Pa_GetDefaultInputDeviceID() : paNoDevice), - numInputChannels, sampleFormat, NULL, - ((numOutputChannels > 0) ? Pa_GetDefaultOutputDeviceID() : paNoDevice), - numOutputChannels, sampleFormat, NULL, - sampleRate, framesPerBuffer, numberOfBuffers, paNoFlag, callback, userData ); -} - -/*************************************************************************/ -DLL_API PaError Pa_CloseStream( PortAudioStream* stream) -{ - PaError result; - internalPortAudioStream *past; - - DBUG(("Pa_CloseStream()\n")); - if( stream == NULL ) return paBadStreamPtr; - past = (internalPortAudioStream *) stream; - - Pa_AbortStream( past ); - result = PaHost_CloseStream( past ); - - if( past->past_InputBuffer ) PaHost_FreeFastMemory( past->past_InputBuffer, past->past_InputBufferSize ); - if( past->past_OutputBuffer ) PaHost_FreeFastMemory( past->past_OutputBuffer, past->past_OutputBufferSize ); - PaHost_FreeFastMemory( past, sizeof(internalPortAudioStream) ); - - return result; -} - -/*************************************************************************/ -DLL_API PaError Pa_StartStream( PortAudioStream *stream ) -{ - PaError result = paHostError; - internalPortAudioStream *past; - - if( stream == NULL ) return paBadStreamPtr; - past = (internalPortAudioStream *) stream; - - past->past_FrameCount = 0.0; - - if( past->past_NumInputChannels > 0 ) - { - result = PaHost_StartInput( past ); - DBUG(("Pa_StartStream: PaHost_StartInput returned = 0x%X.\n", result)); - if( result < 0 ) goto error; - } - - if( past->past_NumOutputChannels > 0 ) - { - result = PaHost_StartOutput( past ); - DBUG(("Pa_StartStream: PaHost_StartOutput returned = 0x%X.\n", result)); - if( result < 0 ) goto error; - } - - result = PaHost_StartEngine( past ); - DBUG(("Pa_StartStream: PaHost_StartEngine returned = 0x%X.\n", result)); - if( result < 0 ) goto error; - - return paNoError; - -error: - return result; -} - -/*************************************************************************/ -DLL_API PaError Pa_StopStream( PortAudioStream *stream ) -{ - return Pa_KillStream( stream, 0 ); -} - -/*************************************************************************/ -DLL_API PaError Pa_AbortStream( PortAudioStream *stream ) -{ - return Pa_KillStream( stream, 1 ); -} - -/*************************************************************************/ -static PaError Pa_KillStream( PortAudioStream *stream, int abort ) -{ - PaError result = paNoError; - internalPortAudioStream *past; - - DBUG(("Pa_StopStream().\n")); - if( stream == NULL ) return paBadStreamPtr; - past = (internalPortAudioStream *) stream; - - if( (past->past_NumInputChannels > 0) || (past->past_NumOutputChannels > 0) ) - { - result = PaHost_StopEngine( past, abort ); - DBUG(("Pa_StopStream: PaHost_StopEngine returned = 0x%X.\n", result)); - if( result < 0 ) goto error; - } - - if( past->past_NumInputChannels > 0 ) - { - result = PaHost_StopInput( past, abort ); - DBUG(("Pa_StopStream: PaHost_StopInput returned = 0x%X.\n", result)); - if( result != paNoError ) goto error; - } - - if( past->past_NumOutputChannels > 0 ) - { - result = PaHost_StopOutput( past, abort ); - DBUG(("Pa_StopStream: PaHost_StopOutput returned = 0x%X.\n", result)); - if( result != paNoError ) goto error; - } - -error: - past->past_Usage = 0; - past->past_IfLastExitValid = 0; - - return result; -} - -/*************************************************************************/ -DLL_API PaError Pa_StreamActive( PortAudioStream *stream ) -{ - internalPortAudioStream *past; - if( stream == NULL ) return paBadStreamPtr; - past = (internalPortAudioStream *) stream; - return PaHost_StreamActive( past ); -} - -/*************************************************************************/ -DLL_API const char *Pa_GetErrorText( PaError errnum ) -{ - const char *msg; - - switch(errnum) - { - case paNoError: msg = "Success"; break; - case paHostError: msg = "Host error."; break; - case paInvalidChannelCount: msg = "Invalid number of channels."; break; - case paInvalidSampleRate: msg = "Invalid sample rate."; break; - case paInvalidDeviceId: msg = "Invalid device ID."; break; - case paInvalidFlag: msg = "Invalid flag."; break; - case paSampleFormatNotSupported: msg = "Sample format not supported"; break; - case paBadIODeviceCombination: msg = "Illegal combination of I/O devices."; break; - case paInsufficientMemory: msg = "Insufficient memory."; break; - case paBufferTooBig: msg = "Buffer too big."; break; - case paBufferTooSmall: msg = "Buffer too small."; break; - case paNullCallback: msg = "No callback routine specified."; break; - case paBadStreamPtr: msg = "Invalid stream pointer."; break; - case paTimedOut : msg = "Wait Timed Out."; break; - case paInternalError: msg = "Internal PortAudio Error."; break; - default: msg = "Illegal error number."; break; - } - return msg; -} - -/* - Get CPU Load as a fraction of total CPU time. - A value of 0.5 would imply that PortAudio and the sound generating - callback was consuming roughly 50% of the available CPU time. - The amount may vary depending on CPU load. - This function may be called from the callback function. -*/ -DLL_API double Pa_GetCPULoad( PortAudioStream* stream) -{ - internalPortAudioStream *past; - if( stream == NULL ) return (double) paBadStreamPtr; - past = (internalPortAudioStream *) stream; - return past->past_Usage; -} - -/************************************************************* -** Calculate 2 LSB dither signal with a triangular distribution. -** Ranged properly for adding to a 32 bit integer prior to >>15. -*/ -#define DITHER_BITS (15) -#define DITHER_SCALE (1.0f / ((1<>(32-DITHER_BITS)) + (((long)randSeed2)>>(32-DITHER_BITS)); - /* High pass filter to reduce audibility. */ - highPass = current - previous; - previous = current; - return highPass; -} - -/************************************************************************* -** Called by host code. -** Convert input from Int16, call user code, then convert output -** to Int16 format for native use. -** Assumes host native format is paInt16. -** Returns result from user callback. -*/ -long Pa_CallConvertInt16( internalPortAudioStream *past, - short *nativeInputBuffer, - short *nativeOutputBuffer ) -{ - long temp; - long bytesEmpty = 0; - long bytesFilled = 0; - int userResult; - unsigned int i; - void *inputBuffer = NULL; - void *outputBuffer = NULL; - -#if SUPPORT_AUDIO_CAPTURE - /* Get native data from DirectSound. */ - if( (past->past_NumInputChannels > 0) && (nativeInputBuffer != NULL) ) - { - /* Convert from native format to PA format. */ - unsigned int samplesPerBuffer = past->past_FramesPerUserBuffer * past->past_NumInputChannels; - switch(past->past_InputSampleFormat) - { - - case paFloat32: - { - float *inBufPtr = (float *) past->past_InputBuffer; - inputBuffer = past->past_InputBuffer; - for( i=0; ipast_InputBuffer; - inputBuffer = past->past_InputBuffer; - for( i=0; ipast_InputBuffer; - inputBuffer = past->past_InputBuffer; - if( past->past_Flags & paDitherOff ) - { - for( i=0; i> 8); - } - } - else - { - for( i=0; i> 7; - temp = ((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp)); - inBufPtr[i] = (char)(temp >> 8); - } - } - break; - } - - case paUInt8: - { - /* Convert 16 bit data to 8 bit unsigned chars */ - unsigned char *inBufPtr = (unsigned char *) past->past_InputBuffer; - inputBuffer = past->past_InputBuffer; - if( past->past_Flags & paDitherOff ) - { - for( i=0; i> 8)) + 0x80; - } - } - else - { - /* If you dither then you have to clip because dithering could push the signal out of range! */ - for( i=0; i> 7; - temp = ((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp)); - inBufPtr[i] = (unsigned char)(temp + 0x80); - } - } - break; - } - - default: - break; - } - } -#endif /* SUPPORT_AUDIO_CAPTURE */ - - /* Are we doing output time? */ - if( (past->past_NumOutputChannels > 0) && (nativeOutputBuffer != NULL) ) - { - /* May already be in native format so just write directly to native buffer. */ - outputBuffer = (past->past_OutputSampleFormat == paInt16) ? - nativeOutputBuffer : past->past_OutputBuffer; - } - /* - AddTraceMessage("Pa_CallConvertInt16: inputBuffer = ", (int) inputBuffer ); - AddTraceMessage("Pa_CallConvertInt16: outputBuffer = ", (int) outputBuffer ); - */ - /* Call user callback routine. */ - userResult = past->past_Callback( - inputBuffer, - outputBuffer, - past->past_FramesPerUserBuffer, - past->past_FrameCount, - past->past_UserData ); - - past->past_FrameCount += (PaTimestamp) past->past_FramesPerUserBuffer; - - /* Convert to native format if necessary. */ - if( outputBuffer != NULL ) - { - unsigned int samplesPerBuffer = past->past_FramesPerUserBuffer * past->past_NumOutputChannels; - switch(past->past_OutputSampleFormat) - { - case paFloat32: - { - float *outBufPtr = (float *) past->past_OutputBuffer; - if( past->past_Flags & paDitherOff ) - { - if( past->past_Flags & paClipOff ) /* NOTHING */ - { - for( i=0; i 0x7FFF) ? 0x7FFF : temp)); - } - } - } - else - { - /* If you dither then you have to clip because dithering could push the signal out of range! */ - for( i=0; i 0x7FFF) ? 0x7FFF : temp)); - } - } - break; - } - - case paInt32: - { - int *outBufPtr = (int *) past->past_OutputBuffer; - if( past->past_Flags & paDitherOff ) - { - for( i=0; i> 16 ); - } - } - else - { - for( i=0; i> 1) + Pa_TriangularDither(); - temp = temp >> 15; - *nativeOutputBuffer++ = (short)((temp < -0x8000) ? -0x8000 : ((temp > 0x7FFF) ? 0x7FFF : temp)); - } - } - break; - } - - case paInt8: - { - char *outBufPtr = (char *) past->past_OutputBuffer; - for( i=0; ipast_OutputBuffer; - for( i=0; ipast_NumInputChannels > 0) && (nativeInputBuffer != NULL) ) - { - inputBuffer = nativeInputBuffer; // FIXME - } - - /* Are we doing output time? */ - if( (past->past_NumOutputChannels > 0) && (nativeOutputBuffer != NULL) ) - { - /* May already be in native format so just write directly to native buffer. */ - outputBuffer = (past->past_OutputSampleFormat == paFloat32) ? - nativeOutputBuffer : past->past_OutputBuffer; - } - /* - AddTraceMessage("Pa_CallConvertInt16: inputBuffer = ", (int) inputBuffer ); - AddTraceMessage("Pa_CallConvertInt16: outputBuffer = ", (int) outputBuffer ); - */ - /* Call user callback routine. */ - userResult = past->past_Callback( - inputBuffer, - outputBuffer, - past->past_FramesPerUserBuffer, - past->past_FrameCount, - past->past_UserData ); - - past->past_FrameCount += (PaTimestamp) past->past_FramesPerUserBuffer; - - /* Convert to native format if necessary. */ // FIXME - return userResult; -} - -/*************************************************************************/ -DLL_API PaError Pa_Initialize( void ) -{ - if( gInitCount++ > 0 ) return paNoError; - ResetTraceMessages(); - return PaHost_Init(); -} - -DLL_API PaError Pa_Terminate( void ) -{ - PaError result = paNoError; - - if( gInitCount == 0 ) return paNoError; - else if( --gInitCount == 0 ) - { - result = PaHost_Term(); - DumpTraceMessages(); - } - return result; -} - -/*************************************************************************/ -DLL_API PaError Pa_GetSampleSize( PaSampleFormat format ) -{ - int size; - switch(format ) - { - - case paUInt8: - case paInt8: - size = 1; - break; - - case paInt16: - size = 2; - break; - - case paPackedInt24: - size = 3; - break; - - case paFloat32: - case paInt32: - case paInt24: - size = 4; - break; - - default: - size = paSampleFormatNotSupported; - break; - } - return (PaError) size; -} - - diff --git a/pd/portaudio_v18/pa_dll_switch/portaudio.h b/pd/portaudio_v18/pa_dll_switch/portaudio.h deleted file mode 100644 index 9632521e..00000000 --- a/pd/portaudio_v18/pa_dll_switch/portaudio.h +++ /dev/null @@ -1,439 +0,0 @@ -#ifndef PORT_AUDIO_H -#define PORT_AUDIO_H - -#ifdef __cplusplus -extern "C" -{ -#endif /* __cplusplus */ - -/* - * PortAudio Portable Real-Time Audio Library - * PortAudio API Header File - * Latest version available at: http://www.audiomulch.com/portaudio/ - * - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -// added by zplane.developement in order to generate a DLL - -#if defined(PA_MME_EXPORTS) || defined(PA_DX_EXPORTS) -#define DLL_API __declspec( dllexport ) -#elif defined(_LIB) || defined(_STATIC_LINK) || defined(_STATIC_APP) -#define DLL_API -#else -#define DLL_API __declspec(dllexport) -#endif - - -typedef int PaError; -typedef enum { - paNoError = 0, - - paHostError = -10000, - paInvalidChannelCount, - paInvalidSampleRate, - paInvalidDeviceId, - paInvalidFlag, - paSampleFormatNotSupported, - paBadIODeviceCombination, - paInsufficientMemory, - paBufferTooBig, - paBufferTooSmall, - paNullCallback, - paBadStreamPtr, - paTimedOut, - paInternalError -} PaErrorNum; - -/* - Pa_Initialize() is the library initialisation function - call this before - using the library. -*/ - -DLL_API PaError Pa_Initialize( void ); - -/* - Pa_Terminate() is the library termination function - call this after - using the library. -*/ - -DLL_API PaError Pa_Terminate( void ); - -/* - Return host specific error. - This can be called after receiving a paHostError. -*/ -DLL_API long Pa_GetHostError( void ); - -/* - Translate the error number into a human readable message. -*/ -DLL_API const char *Pa_GetErrorText( PaError errnum ); - -/* - Sample formats - - These are formats used to pass sound data between the callback and the - stream. Each device has a "native" format which may be used when optimum - efficiency or control over conversion is required. - - Formats marked "always available" are supported (emulated) by all devices. - - The floating point representation uses +1.0 and -1.0 as the respective - maximum and minimum. - -*/ - -typedef unsigned long PaSampleFormat; -#define paFloat32 ((PaSampleFormat) (1<<0)) /*always available*/ -#define paInt16 ((PaSampleFormat) (1<<1)) /*always available*/ -#define paInt32 ((PaSampleFormat) (1<<2)) /*always available*/ -#define paInt24 ((PaSampleFormat) (1<<3)) -#define paPackedInt24 ((PaSampleFormat) (1<<4)) -#define paInt8 ((PaSampleFormat) (1<<5)) -#define paUInt8 ((PaSampleFormat) (1<<6)) /* unsigned 8 bit, 128 is "ground" */ -#define paCustomFormat ((PaSampleFormat) (1<<16)) - -/* - Device enumeration mechanism. - - Device ids range from 0 to Pa_CountDevices()-1. - - Devices may support input, output or both. Device 0 is always the "default" - device and should support at least stereo in and out if that is available - on the taget platform _even_ if this involves kludging an input/output - device on platforms that usually separate input from output. Other platform - specific devices are specified by positive device ids. -*/ - -typedef int PaDeviceID; -#define paNoDevice -1 - -typedef struct -{ - int structVersion; - const char *name; - int maxInputChannels; - int maxOutputChannels; - /* Number of discrete rates, or -1 if range supported. */ - int numSampleRates; - /* Array of supported sample rates, or {min,max} if range supported. */ - const double *sampleRates; - PaSampleFormat nativeSampleFormats; -} -PaDeviceInfo; - - -DLL_API int Pa_CountDevices(); -/* - Pa_GetDefaultInputDeviceID(), Pa_GetDefaultOutputDeviceID() - - Return the default device ID or paNoDevice if there is no devices. - The result can be passed to Pa_OpenStream(). - - On the PC, the user can specify a default device by - setting an environment variable. For example, to use device #1. - - set PA_RECOMMENDED_OUTPUT_DEVICE=1 - - The user should first determine the available device ID by using - the supplied application "pa_devs". -*/ -DLL_API PaDeviceID Pa_GetDefaultInputDeviceID( void ); -DLL_API PaDeviceID Pa_GetDefaultOutputDeviceID( void ); - -/* - PaTimestamp is used to represent a continuous sample clock with arbitrary - start time useful for syncronisation. The type is used in the outTime - argument to the callback function and the result of Pa_StreamTime() -*/ - -typedef double PaTimestamp; - -/* - Pa_GetDeviceInfo() returns a pointer to an immutable PaDeviceInfo structure - referring to the device specified by id. - If id is out of range the function returns NULL. - - The returned structure is owned by the PortAudio implementation and must - not be manipulated or freed. The pointer is guaranteed to be valid until - between calls to Pa_Initialize() and Pa_Terminate(). -*/ - -DLL_API const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID id ); - -/* - PortAudioCallback is implemented by clients of the portable audio api. - - inputBuffer and outputBuffer are arrays of interleaved samples, - the format, packing and number of channels used by the buffers are - determined by parameters to Pa_OpenStream() (see below). - - framesPerBuffer is the number of sample frames to be processed by the callback. - - outTime is the time in samples when the buffer(s) processed by - this callback will begin being played at the audio output. - See also Pa_StreamTime() - - userData is the value of a user supplied pointer passed to Pa_OpenStream() - intended for storing synthesis data etc. - - return value: - The callback can return a nonzero value to stop the stream. This may be - useful in applications such as soundfile players where a specific duration - of output is required. However, it is not necessary to utilise this mechanism - as StopStream() will also terminate the stream. A callback returning a - nonzero value must fill the entire outputBuffer. - - NOTE: None of the other stream functions may be called from within the - callback function except for Pa_GetCPULoad(). - -*/ - -typedef int (PortAudioCallback)( - void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - PaTimestamp outTime, void *userData ); - - -/* - Stream flags - - These flags may be supplied (ored together) in the streamFlags argument to - the Pa_OpenStream() function. - - [ suggestions? ] -*/ - -#define paNoFlag (0) -#define paClipOff (1<<0) /* disable defult clipping of out of range samples */ -#define paDitherOff (1<<1) /* disable default dithering */ -#define paPlatformSpecificFlags (0x00010000) -typedef unsigned long PaStreamFlags; - -/* - A single PortAudioStream provides multiple channels of real-time - input and output audio streaming to a client application. - Pointers to PortAudioStream objects are passed between PortAudio functions. -*/ - -typedef void PortAudioStream; -#define PaStream PortAudioStream - -/* - Pa_OpenStream() opens a stream for either input, output or both. - - stream is the address of a PortAudioStream pointer which will receive - a pointer to the newly opened stream. - - inputDevice is the id of the device used for input (see PaDeviceID above.) - inputDevice may be paNoDevice to indicate that an input device is not required. - - numInputChannels is the number of channels of sound to be delivered to the - callback. It can range from 1 to the value of maxInputChannels in the - device input record for the device specified in the inputDevice parameter. - If inputDevice is paNoDevice numInputChannels is ignored. - - inputSampleFormat is the format of inputBuffer provided to the callback - function. inputSampleFormat may be any of the formats described by the - PaSampleFormat enumeration (see above). PortAudio guarantees support for - the sound devices native formats (nativeSampleFormats in the device info - record) and additionally 16 and 32 bit integer and 32 bit floating point - formats. Support for other formats is implementation defined. - - inputDriverInfo is a pointer to an optional driver specific data structure - containing additional information for device setup or stream processing. - inputDriverInfo is never required for correct operation. If not used - inputDriverInfo should be NULL. - - outputDevice is the id of the device used for output (see PaDeviceID above.) - outputDevice may be paNoDevice to indicate that an output device is not required. - - numOutputChannels is the number of channels of sound to be supplied by the - callback. See the definition of numInputChannels above for more details. - - outputSampleFormat is the sample format of the outputBuffer filled by the - callback function. See the definition of inputSampleFormat above for more - details. - - outputDriverInfo is a pointer to an optional driver specific data structure - containing additional information for device setup or stream processing. - outputDriverInfo is never required for correct operation. If not used - outputDriverInfo should be NULL. - - sampleRate is the desired sampleRate for input and output - - framesPerBuffer is the length in sample frames of all internal sample buffers - used for communication with platform specific audio routines. Wherever - possible this corresponds to the framesPerBuffer parameter passed to the - callback function. - - numberOfBuffers is the number of buffers used for multibuffered - communication with the platform specific audio routines. This parameter is - provided only as a guide - and does not imply that an implementation must - use multibuffered i/o when reliable double buffering is available (such as - SndPlayDoubleBuffer() on the Macintosh.) - - streamFlags may contain a combination of flags ORed together. - These flags modify the behavior of the - streaming process. Some flags may only be relevant to certain buffer formats. - - callback is a pointer to a client supplied function that is responsible - for processing and filling input and output buffers (see above for details.) - - userData is a client supplied pointer which is passed to the callback - function. It could for example, contain a pointer to instance data necessary - for processing the audio buffers. - - return value: - Apon success Pa_OpenStream() returns PaNoError and places a pointer to a - valid PortAudioStream in the stream argument. The stream is inactive (stopped). - If a call to Pa_OpenStream() fails a nonzero error code is returned (see - PAError above) and the value of stream is invalid. - -*/ - -DLL_API PaError Pa_OpenStream( PortAudioStream** stream, - PaDeviceID inputDevice, - int numInputChannels, - PaSampleFormat inputSampleFormat, - void *inputDriverInfo, - PaDeviceID outputDevice, - int numOutputChannels, - PaSampleFormat outputSampleFormat, - void *outputDriverInfo, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - PaStreamFlags streamFlags, - PortAudioCallback *callback, - void *userData ); - - -/* - Pa_OpenDefaultStream() is a simplified version of Pa_OpenStream() that - opens the default input and/or ouput devices. Most parameters have - identical meaning to their Pa_OpenStream() counterparts, with the following - exceptions: - - If either numInputChannels or numOutputChannels is 0 the respective device - is not opened (same as passing paNoDevice in the device arguments to Pa_OpenStream() ) - - sampleFormat applies to both the input and output buffers. -*/ - -DLL_API PaError Pa_OpenDefaultStream( PortAudioStream** stream, - int numInputChannels, - int numOutputChannels, - PaSampleFormat sampleFormat, - double sampleRate, - unsigned long framesPerBuffer, - unsigned long numberOfBuffers, - PortAudioCallback *callback, - void *userData ); - -/* - Pa_CloseStream() closes an audio stream, flushing any pending buffers. -*/ - -DLL_API PaError Pa_CloseStream( PortAudioStream* ); - -/* - Pa_StartStream() and Pa_StopStream() begin and terminate audio processing. - When Pa_StopStream() returns, all pending audio buffers have been played. - Pa_AbortStream() stops playing immediately without waiting for pending - buffers to complete. -*/ - -DLL_API PaError Pa_StartStream( PortAudioStream *stream ); - -DLL_API PaError Pa_StopStream( PortAudioStream *stream ); - -DLL_API PaError Pa_AbortStream( PortAudioStream *stream ); - -/* - Pa_StreamActive() returns one when the stream is playing audio, - zero when not playing, or a negative error number if the - stream is invalid. - The stream is active between calls to Pa_StartStream() and Pa_StopStream(), - but may also become inactive if the callback returns a non-zero value. - In the latter case, the stream is considered inactive after the last - buffer has finished playing. -*/ - -DLL_API PaError Pa_StreamActive( PortAudioStream *stream ); - -/* - Pa_StreamTime() returns the current output time for the stream in samples. - This time may be used as a time reference (for example syncronising audio to - MIDI). -*/ - -DLL_API PaTimestamp Pa_StreamTime( PortAudioStream *stream ); - -/* - The "CPU Load" is a fraction of total CPU time consumed by the - stream's audio processing. - A value of 0.5 would imply that PortAudio and the sound generating - callback was consuming roughly 50% of the available CPU time. - This function may be called from the callback function or the application. -*/ -DLL_API double Pa_GetCPULoad( PortAudioStream* stream ); - -/* - Use Pa_GetMinNumBuffers() to determine minimum number of buffers required for - the current host based on minimum latency. - On the PC, for the DirectSound implementation, latency can be optionally set - by user by setting an environment variable. - For example, to set latency to 200 msec, put: - - set PA_MIN_LATENCY_MSEC=200 - - in the AUTOEXEC.BAT file and reboot. - If the environment variable is not set, then the latency will be determined - based on the OS. Windows NT has higher latency than Win95. -*/ - -DLL_API int Pa_GetMinNumBuffers( int framesPerBuffer, double sampleRate ); - -/* - Sleep for at least 'msec' milliseconds. - You may sleep longer than the requested time so don't rely - on this for accurate musical timing. -*/ -DLL_API void Pa_Sleep( long msec ); - -/* - Return size in bytes of a single sample in a given PaSampleFormat - or paSampleFormatNotSupported. -*/ -DLL_API PaError Pa_GetSampleSize( PaSampleFormat format ); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ -#endif /* PORT_AUDIO_H */ -- cgit v1.2.1