--- /dev/null
+/*
+ TiMidity++ -- MIDI to WAVE converter and player
+ Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
+ Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+#include "interface.h"
+
+#ifdef AU_PORTAUDIO_DLL
+
+#include <windows.h>
+#include <portaudio.h>
+
+#include "w32_portaudio.h"
+
+extern int load_portaudio_dll(int type);
+extern void free_portaudio_dll(void);
+
+/***************************************************************
+ name: portaudio_dll dll: portaudio.dll
+***************************************************************/
+
+// (PaError)0 -> paDeviceUnavailable
+// (PaDeviceID)0 -> paNoDevice
+
+// #define PA_DLL_ASIO 1
+// #define PA_DLL_WIN_DS 2
+// #define PA_DLL_WIN_WMME 3
+#define PA_DLL_ASIO_FILE "pa_asio.dll"
+#define PA_DLL_WIN_DS_FILE "pa_win_ds.dll"
+#define PA_DLL_WIN_WMME_FILE "pa_win_wmme.dll"
+
+typedef PaError(*type_Pa_Initialize)( void );
+typedef PaError(*type_Pa_Terminate)( void );
+typedef long(*type_Pa_GetHostError)( void );
+typedef const char*(*type_Pa_GetErrorText)( PaError errnum );
+typedef int(*type_Pa_CountDevices)( void );
+typedef PaDeviceID(*type_Pa_GetDefaultInputDeviceID)( void );
+typedef PaDeviceID(*type_Pa_GetDefaultOutputDeviceID)( void );
+typedef const PaDeviceInfo*(*type_Pa_GetDeviceInfo)( PaDeviceID device );
+typedef PaError(*type_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 );
+typedef PaError(*type_Pa_OpenDefaultStream)( PortAudioStream** stream,int numInputChannels,int numOutputChannels,PaSampleFormat sampleFormat,double sampleRate,unsigned long framesPerBuffer,unsigned long numberOfBuffers,PortAudioCallback *callback,void *userData );
+typedef PaError(*type_Pa_CloseStream)( PortAudioStream *stream );
+typedef PaError(*type_Pa_StartStream)( PortAudioStream *stream );
+typedef PaError(*type_Pa_StopStream)( PortAudioStream *stream );
+typedef PaError(*type_Pa_AbortStream)( PortAudioStream *stream );
+typedef PaError(*type_Pa_StreamActive)( PortAudioStream *stream );
+typedef PaTimestamp(*type_Pa_StreamTime)( PortAudioStream *stream );
+typedef double(*type_Pa_GetCPULoad)( PortAudioStream* stream );
+typedef int(*type_Pa_GetMinNumBuffers)( int framesPerBuffer, double sampleRate );
+typedef void(*type_Pa_Sleep)( long msec );
+typedef PaError(*type_Pa_GetSampleSize)( PaSampleFormat format );
+
+static struct portaudio_dll_ {
+ type_Pa_Initialize Pa_Initialize;
+ type_Pa_Terminate Pa_Terminate;
+ type_Pa_GetHostError Pa_GetHostError;
+ type_Pa_GetErrorText Pa_GetErrorText;
+ type_Pa_CountDevices Pa_CountDevices;
+ type_Pa_GetDefaultInputDeviceID Pa_GetDefaultInputDeviceID;
+ type_Pa_GetDefaultOutputDeviceID Pa_GetDefaultOutputDeviceID;
+ type_Pa_GetDeviceInfo Pa_GetDeviceInfo;
+ type_Pa_OpenStream Pa_OpenStream;
+ type_Pa_OpenDefaultStream Pa_OpenDefaultStream;
+ type_Pa_CloseStream Pa_CloseStream;
+ type_Pa_StartStream Pa_StartStream;
+ type_Pa_StopStream Pa_StopStream;
+ type_Pa_AbortStream Pa_AbortStream;
+ type_Pa_StreamActive Pa_StreamActive;
+ type_Pa_StreamTime Pa_StreamTime;
+ type_Pa_GetCPULoad Pa_GetCPULoad;
+ type_Pa_GetMinNumBuffers Pa_GetMinNumBuffers;
+ type_Pa_Sleep Pa_Sleep;
+ type_Pa_GetSampleSize Pa_GetSampleSize;
+} portaudio_dll;
+
+static volatile HANDLE h_portaudio_dll = NULL;
+
+void free_portaudio_dll(void)
+{
+ if(h_portaudio_dll){
+ FreeLibrary(h_portaudio_dll);
+ h_portaudio_dll = NULL;
+ }
+}
+
+int load_portaudio_dll(int type)
+{
+ char* dll_file = NULL;
+ switch(type){
+ case PA_DLL_ASIO:
+ dll_file = PA_DLL_ASIO_FILE;
+ break;
+ case PA_DLL_WIN_DS:
+ dll_file = PA_DLL_WIN_DS_FILE;
+ break;
+ case PA_DLL_WIN_WMME:
+ dll_file = PA_DLL_WIN_WMME_FILE;
+ break;
+ default:
+ return -1;
+ }
+ if(!h_portaudio_dll){
+ h_portaudio_dll = LoadLibrary(dll_file);
+ if(!h_portaudio_dll) return -1;
+ }
+ portaudio_dll.Pa_Initialize = (type_Pa_Initialize)GetProcAddress(h_portaudio_dll,"Pa_Initialize");
+ if(!portaudio_dll.Pa_Initialize){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_Terminate = (type_Pa_Terminate)GetProcAddress(h_portaudio_dll,"Pa_Terminate");
+ if(!portaudio_dll.Pa_Terminate){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_GetHostError = (type_Pa_GetHostError)GetProcAddress(h_portaudio_dll,"Pa_GetHostError");
+ if(!portaudio_dll.Pa_GetHostError){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_GetErrorText = (type_Pa_GetErrorText)GetProcAddress(h_portaudio_dll,"Pa_GetErrorText");
+ if(!portaudio_dll.Pa_GetErrorText){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_CountDevices = (type_Pa_CountDevices)GetProcAddress(h_portaudio_dll,"Pa_CountDevices");
+ if(!portaudio_dll.Pa_CountDevices){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_GetDefaultInputDeviceID = (type_Pa_GetDefaultInputDeviceID)GetProcAddress(h_portaudio_dll,"Pa_GetDefaultInputDeviceID");
+ if(!portaudio_dll.Pa_GetDefaultInputDeviceID){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_GetDefaultOutputDeviceID = (type_Pa_GetDefaultOutputDeviceID)GetProcAddress(h_portaudio_dll,"Pa_GetDefaultOutputDeviceID");
+ if(!portaudio_dll.Pa_GetDefaultOutputDeviceID){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_GetDeviceInfo = (type_Pa_GetDeviceInfo)GetProcAddress(h_portaudio_dll,"Pa_GetDeviceInfo");
+ if(!portaudio_dll.Pa_GetDeviceInfo){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_OpenStream = (type_Pa_OpenStream)GetProcAddress(h_portaudio_dll,"Pa_OpenStream");
+ if(!portaudio_dll.Pa_OpenStream){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_OpenDefaultStream = (type_Pa_OpenDefaultStream)GetProcAddress(h_portaudio_dll,"Pa_OpenDefaultStream");
+ if(!portaudio_dll.Pa_OpenDefaultStream){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_CloseStream = (type_Pa_CloseStream)GetProcAddress(h_portaudio_dll,"Pa_CloseStream");
+ if(!portaudio_dll.Pa_CloseStream){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_StartStream = (type_Pa_StartStream)GetProcAddress(h_portaudio_dll,"Pa_StartStream");
+ if(!portaudio_dll.Pa_StartStream){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_StopStream = (type_Pa_StopStream)GetProcAddress(h_portaudio_dll,"Pa_StopStream");
+ if(!portaudio_dll.Pa_StopStream){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_AbortStream = (type_Pa_AbortStream)GetProcAddress(h_portaudio_dll,"Pa_AbortStream");
+ if(!portaudio_dll.Pa_AbortStream){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_StreamActive = (type_Pa_StreamActive)GetProcAddress(h_portaudio_dll,"Pa_StreamActive");
+ if(!portaudio_dll.Pa_StreamActive){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_StreamTime = (type_Pa_StreamTime)GetProcAddress(h_portaudio_dll,"Pa_StreamTime");
+ if(!portaudio_dll.Pa_StreamTime){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_GetCPULoad = (type_Pa_GetCPULoad)GetProcAddress(h_portaudio_dll,"Pa_GetCPULoad");
+ if(!portaudio_dll.Pa_GetCPULoad){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_GetMinNumBuffers = (type_Pa_GetMinNumBuffers)GetProcAddress(h_portaudio_dll,"Pa_GetMinNumBuffers");
+ if(!portaudio_dll.Pa_GetMinNumBuffers){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_Sleep = (type_Pa_Sleep)GetProcAddress(h_portaudio_dll,"Pa_Sleep");
+ if(!portaudio_dll.Pa_Sleep){ free_portaudio_dll(); return -1; }
+ portaudio_dll.Pa_GetSampleSize = (type_Pa_GetSampleSize)GetProcAddress(h_portaudio_dll,"Pa_GetSampleSize");
+ if(!portaudio_dll.Pa_GetSampleSize){ free_portaudio_dll(); return -1; }
+ return 0;
+}
+
+PaError Pa_Initialize( void )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_Initialize();
+ }
+ return paDeviceUnavailable;
+}
+
+PaError Pa_Terminate( void )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_Terminate();
+ }
+ return paDeviceUnavailable;
+}
+
+long Pa_GetHostError( void )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_GetHostError();
+ }
+ return (long)0;
+}
+
+const char* Pa_GetErrorText( PaError errnum )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_GetErrorText(errnum);
+ }
+ return (const char*)0;
+}
+
+int Pa_CountDevices( void )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_CountDevices();
+ }
+ return (int)0;
+}
+
+PaDeviceID Pa_GetDefaultInputDeviceID( void )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_GetDefaultInputDeviceID();
+ }
+ return paNoDevice;
+}
+
+PaDeviceID Pa_GetDefaultOutputDeviceID( void )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_GetDefaultOutputDeviceID();
+ }
+ return paNoDevice;
+}
+
+const PaDeviceInfo* Pa_GetDeviceInfo( PaDeviceID device )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_GetDeviceInfo(device);
+ }
+ return (const PaDeviceInfo*)0;
+}
+
+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 )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_OpenStream(stream,inputDevice,numInputChannels,inputSampleFormat,inputDriverInfo,outputDevice,numOutputChannels,outputSampleFormat,outputDriverInfo,sampleRate,framesPerBuffer,numberOfBuffers,streamFlags,callback,userData);
+ }
+ return (PaError)0;
+}
+
+PaError Pa_OpenDefaultStream( PortAudioStream** stream,int numInputChannels,int numOutputChannels,PaSampleFormat sampleFormat,double sampleRate,unsigned long framesPerBuffer,unsigned long numberOfBuffers,PortAudioCallback *callback,void *userData )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_OpenDefaultStream(stream,numInputChannels,numOutputChannels,sampleFormat,sampleRate,framesPerBuffer,numberOfBuffers,callback,userData);
+ }
+ return (PaError)0;
+}
+
+PaError Pa_CloseStream( PortAudioStream *stream )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_CloseStream(stream);
+ }
+ return paDeviceUnavailable;
+}
+
+PaError Pa_StartStream( PortAudioStream *stream )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_StartStream(stream);
+ }
+ return paDeviceUnavailable;
+}
+
+PaError Pa_StopStream( PortAudioStream *stream )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_StopStream(stream);
+ }
+ return paDeviceUnavailable;
+}
+
+PaError Pa_AbortStream( PortAudioStream *stream )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_AbortStream(stream);
+ }
+ return paDeviceUnavailable;
+}
+
+PaError Pa_StreamActive( PortAudioStream *stream )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_StreamActive(stream);
+ }
+ return paDeviceUnavailable;
+}
+
+PaTimestamp Pa_StreamTime( PortAudioStream *stream )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_StreamTime(stream);
+ }
+ return (PaTimestamp)0;
+}
+
+double Pa_GetCPULoad( PortAudioStream* stream )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_GetCPULoad(stream);
+ }
+ return (double)0;
+}
+
+int Pa_GetMinNumBuffers( int framesPerBuffer, double sampleRate )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_GetMinNumBuffers(framesPerBuffer,sampleRate);
+ }
+ return (int)0;
+}
+
+void Pa_Sleep( long msec )
+{
+ if(h_portaudio_dll){
+ portaudio_dll.Pa_Sleep(msec);
+ }
+}
+
+PaError Pa_GetSampleSize( PaSampleFormat format )
+{
+ if(h_portaudio_dll){
+ return portaudio_dll.Pa_GetSampleSize(format);
+ }
+ return paDeviceUnavailable;
+}
+
+/***************************************************************/
+
+#endif /* AU_PORTAUDIO_DLL */
+
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