add plibsys

1 files changed, 0 insertions, 517 deletions

diff --git a/portaudio/test/patest_wmme_find_best_latency_params.c b/portaudio/test/patest_wmme_find_best_latency_params.c
deleted file mode 100644
index 5c715f9..0000000
--- a/portaudio/test/patest_wmme_find_best_latency_params.c
+++ /dev/null
@@ -1,517 +0,0 @@
-/*
- * $Id: $
- * Portable Audio I/O Library
- * Windows MME low level buffer user guided parameters search
- *
- * Copyright (c) 2010 Ross Bencina
- *
- * 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.
- *
- * 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.
- */
-
-/*
- * The text above constitutes the entire PortAudio license; however,
- * the PortAudio community also makes the following non-binding requests:
- *
- * 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. It is also
- * requested that these non-binding requests be included along with the
- * license above.
- */
-
-#include <stdio.h>
-#include <time.h>
-#include <math.h>
-
-#define  _WIN32_WINNT 0x0501 /* for GetNativeSystemInfo */
-#include <windows.h>    /* required when using pa_win_wmme.h */
-#include <mmsystem.h>   /* required when using pa_win_wmme.h */
-
-#include <conio.h>      /* for _getch */
-
-
-#include "portaudio.h"
-#include "pa_win_wmme.h"
-
-
-#define DEFAULT_SAMPLE_RATE             (44100.)
-
-#ifndef M_PI
-#define M_PI  (3.14159265)
-#endif
-
-#define TABLE_SIZE              (2048)
-
-#define CHANNEL_COUNT           (2)
-
-
-/* search parameters. we test all buffer counts in this range */
-#define MIN_WMME_BUFFER_COUNT        (2)
-#define MAX_WMME_BUFFER_COUNT        (12)
-
-
-/*******************************************************************/
-/* functions to query and print Windows version information */
-
-typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
-
-LPFN_ISWOW64PROCESS fnIsWow64Process;
-
-static BOOL IsWow64()
-{
-    BOOL bIsWow64 = FALSE;
-
-    //IsWow64Process is not available on all supported versions of Windows.
-    //Use GetModuleHandle to get a handle to the DLL that contains the function
-    //and GetProcAddress to get a pointer to the function if available.
-
-    fnIsWow64Process = (LPFN_ISWOW64PROCESS) GetProcAddress(
-        GetModuleHandle(TEXT("kernel32")),"IsWow64Process" );
-
-    if(NULL != fnIsWow64Process)
-    {
-        if (!fnIsWow64Process(GetCurrentProcess(),&bIsWow64))
-        {
-            //handle error
-        }
-    }
-    return bIsWow64;
-}
-
-static void printWindowsVersionInfo( FILE *fp )
-{
-    OSVERSIONINFOEX osVersionInfoEx;
-    SYSTEM_INFO systemInfo;
-    const char *osName = "Unknown";
-    const char *osProductType = "";
-    const char *processorArchitecture = "Unknown";
-
-    memset( &osVersionInfoEx, 0, sizeof(OSVERSIONINFOEX) );
-    osVersionInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
-    GetVersionEx( &osVersionInfoEx );
-
-
-    if( osVersionInfoEx.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS ){
-        switch( osVersionInfoEx.dwMinorVersion ){
-            case 0: osName = "Windows 95"; break;
-            case 10: osName = "Windows 98"; break;  // could also be 98SE (I've seen code discriminate based
-                                                    // on osInfo.Version.Revision.ToString() == "2222A")
-            case 90: osName = "Windows Me"; break;
-        }
-    }else if( osVersionInfoEx.dwPlatformId == VER_PLATFORM_WIN32_NT ){
-        switch( osVersionInfoEx.dwMajorVersion ){
-            case 3: osName = "Windows NT 3.51"; break;
-            case 4: osName = "Windows NT 4.0"; break;
-            case 5: switch( osVersionInfoEx.dwMinorVersion ){
-                        case 0: osName = "Windows 2000"; break;
-                        case 1: osName = "Windows XP"; break;
-                        case 2:
-                            if( osVersionInfoEx.wSuiteMask & 0x00008000 /*VER_SUITE_WH_SERVER*/ ){
-                                osName = "Windows Home Server";
-                            }else{
-                                if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION ){
-                                    osName = "Windows XP Professional x64 Edition (?)";
-                                }else{
-                                    if( GetSystemMetrics(/*SM_SERVERR2*/89) == 0 )
-                                        osName = "Windows Server 2003";
-                                    else
-                                        osName = "Windows Server 2003 R2";
-                                }
-                            }break;
-                    }break;
-            case 6:switch( osVersionInfoEx.dwMinorVersion ){
-                        case 0:
-                            if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION )
-                                osName = "Windows Vista";
-                            else
-                                osName = "Windows Server 2008";
-                            break;
-                        case 1:
-                            if( osVersionInfoEx.wProductType == VER_NT_WORKSTATION )
-                                osName = "Windows 7";
-                            else
-                                osName = "Windows Server 2008 R2";
-                            break;
-                    }break;
-        }
-    }
-
-    if(osVersionInfoEx.dwMajorVersion == 4)
-    {
-        if(osVersionInfoEx.wProductType == VER_NT_WORKSTATION)
-            osProductType = "Workstation";
-        else if(osVersionInfoEx.wProductType == VER_NT_SERVER)
-            osProductType = "Server";
-    }
-    else if(osVersionInfoEx.dwMajorVersion == 5)
-    {
-        if(osVersionInfoEx.wProductType == VER_NT_WORKSTATION)
-        {
-            if((osVersionInfoEx.wSuiteMask & VER_SUITE_PERSONAL) == VER_SUITE_PERSONAL)
-                osProductType = "Home Edition"; // Windows XP Home Edition
-            else
-                osProductType = "Professional"; // Windows XP / Windows 2000 Professional
-        }
-        else if(osVersionInfoEx.wProductType == VER_NT_SERVER)
-        {
-            if(osVersionInfoEx.dwMinorVersion == 0)
-            {
-                if((osVersionInfoEx.wSuiteMask & VER_SUITE_DATACENTER) == VER_SUITE_DATACENTER)
-                    osProductType = "Datacenter Server"; // Windows 2000 Datacenter Server
-                else if((osVersionInfoEx.wSuiteMask & VER_SUITE_ENTERPRISE) == VER_SUITE_ENTERPRISE)
-                    osProductType = "Advanced Server"; // Windows 2000 Advanced Server
-                else
-                    osProductType = "Server"; // Windows 2000 Server
-            }
-        }
-        else
-        {
-            if((osVersionInfoEx.wSuiteMask & VER_SUITE_DATACENTER) == VER_SUITE_DATACENTER)
-                osProductType = "Datacenter Edition"; // Windows Server 2003 Datacenter Edition
-            else if((osVersionInfoEx.wSuiteMask & VER_SUITE_ENTERPRISE) == VER_SUITE_ENTERPRISE)
-                osProductType = "Enterprise Edition"; // Windows Server 2003 Enterprise Edition
-            else if((osVersionInfoEx.wSuiteMask & VER_SUITE_BLADE) == VER_SUITE_BLADE)
-                osProductType = "Web Edition"; // Windows Server 2003 Web Edition
-            else
-                osProductType = "Standard Edition"; // Windows Server 2003 Standard Edition
-        }
-    }
-
-    memset( &systemInfo, 0, sizeof(SYSTEM_INFO) );
-    GetNativeSystemInfo( &systemInfo );
-
-    if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL )
-        processorArchitecture = "x86";
-    else if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 )
-        processorArchitecture = "x64";
-    else if( systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64 )
-        processorArchitecture = "Itanium";
-
-
-    fprintf( fp, "OS name and edition: %s %s\n", osName, osProductType );
-    fprintf( fp, "OS version: %d.%d.%d %S\n",
-                osVersionInfoEx.dwMajorVersion, osVersionInfoEx.dwMinorVersion,
-                osVersionInfoEx.dwBuildNumber, osVersionInfoEx.szCSDVersion );
-    fprintf( fp, "Processor architecture: %s\n", processorArchitecture );
-    fprintf( fp, "WoW64 process: %s\n", IsWow64() ? "Yes" : "No" );
-}
-
-static void printTimeAndDate( FILE *fp )
-{
-    struct tm *local;
-    time_t t;
-
-    t = time(NULL);
-    local = localtime(&t);
-    fprintf(fp, "Local time and date: %s", asctime(local));
-    local = gmtime(&t);
-    fprintf(fp, "UTC time and date: %s", asctime(local));
-}
-
-/*******************************************************************/
-
-typedef struct
-{
-    float sine[TABLE_SIZE];
-    double phase;
-    double phaseIncrement;
-    volatile int fadeIn;
-    volatile int fadeOut;
-    double amp;
-}
-paTestData;
-
-static paTestData data;
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may called at interrupt level on some machines so don't do anything
-** that could mess up the system like calling malloc() or free().
-*/
-static int patestCallback( const void *inputBuffer, void *outputBuffer,
-                            unsigned long framesPerBuffer,
-                            const PaStreamCallbackTimeInfo* timeInfo,
-                            PaStreamCallbackFlags statusFlags,
-                            void *userData )
-{
-    paTestData *data = (paTestData*)userData;
-    float *out = (float*)outputBuffer;
-    unsigned long i,j;
-
-    (void) timeInfo; /* Prevent unused variable warnings. */
-    (void) statusFlags;
-    (void) inputBuffer;
-
-    for( i=0; i<framesPerBuffer; i++ )
-    {
-        float x = data->sine[(int)data->phase];
-        data->phase += data->phaseIncrement;
-        if( data->phase >= TABLE_SIZE ){
-            data->phase -= TABLE_SIZE;
-        }
-
-        x *= data->amp;
-        if( data->fadeIn ){
-            data->amp += .001;
-            if( data->amp >= 1. )
-                data->fadeIn = 0;
-        }else if( data->fadeOut ){
-            if( data->amp > 0 )
-                data->amp -= .001;
-        }
-
-        for( j = 0; j < CHANNEL_COUNT; ++j ){
-            *out++ = x;
-        }
-    }
-
-    if( data->amp > 0 )
-        return paContinue;
-    else
-        return paComplete;
-}
-
-
-#define YES     1
-#define NO      0
-
-
-static int playUntilKeyPress( int deviceIndex, float sampleRate,
-                             int framesPerUserBuffer, int framesPerWmmeBuffer, int wmmeBufferCount )
-{
-    PaStreamParameters outputParameters;
-    PaWinMmeStreamInfo wmmeStreamInfo;
-    PaStream *stream;
-    PaError err;
-    int c;
-
-    outputParameters.device = deviceIndex;
-    outputParameters.channelCount = CHANNEL_COUNT;
-    outputParameters.sampleFormat = paFloat32; /* 32 bit floating point processing */
-    outputParameters.suggestedLatency = 0; /*Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;*/
-    outputParameters.hostApiSpecificStreamInfo = NULL;
-
-    wmmeStreamInfo.size = sizeof(PaWinMmeStreamInfo);
-    wmmeStreamInfo.hostApiType = paMME;
-    wmmeStreamInfo.version = 1;
-    wmmeStreamInfo.flags = paWinMmeUseLowLevelLatencyParameters | paWinMmeDontThrottleOverloadedProcessingThread;
-    wmmeStreamInfo.framesPerBuffer = framesPerWmmeBuffer;
-    wmmeStreamInfo.bufferCount = wmmeBufferCount;
-    outputParameters.hostApiSpecificStreamInfo = &wmmeStreamInfo;
-
-    err = Pa_OpenStream(
-              &stream,
-              NULL, /* no input */
-              &outputParameters,
-              sampleRate,
-              framesPerUserBuffer,
-              paClipOff | paPrimeOutputBuffersUsingStreamCallback,      /* we won't output out of range samples so don't bother clipping them */
-              patestCallback,
-              &data );
-    if( err != paNoError ) goto error;
-
-    data.amp = 0;
-    data.fadeIn = 1;
-    data.fadeOut = 0;
-    data.phase = 0;
-    data.phaseIncrement = 15 + ((rand()%100) / 10); // randomise pitch
-
-    err = Pa_StartStream( stream );
-    if( err != paNoError ) goto error;
-
-
-    do{
-        printf( "Trying buffer size %d.\nIf it sounds smooth (without clicks or glitches) press 'y', if it sounds bad press 'n' ('q' to quit)\n", framesPerWmmeBuffer );
-        c = tolower(_getch());
-        if( c == 'q' ){
-            Pa_Terminate();
-            exit(0);
-        }
-    }while( c != 'y' && c != 'n' );
-
-    data.fadeOut = 1;
-    while( Pa_IsStreamActive(stream) == 1 )
-        Pa_Sleep( 100 );
-
-    err = Pa_StopStream( stream );
-    if( err != paNoError ) goto error;
-
-    err = Pa_CloseStream( stream );
-    if( err != paNoError ) goto error;
-
-    return (c == 'y') ? YES : NO;
-
-error:
-    return err;
-}
-
-/*******************************************************************/
-static void usage( int wmmeHostApiIndex )
-{
-    int i;
-
-    fprintf( stderr, "PortAudio WMME output latency user guided test\n" );
-    fprintf( stderr, "Usage: x.exe mme-device-index [sampleRate [min-buffer-count max-buffer-count]]\n" );
-    fprintf( stderr, "Invalid device index. Use one of these:\n" );
-    for( i=0; i < Pa_GetDeviceCount(); ++i ){
-
-        if( Pa_GetDeviceInfo(i)->hostApi == wmmeHostApiIndex && Pa_GetDeviceInfo(i)->maxOutputChannels > 0  )
-            fprintf( stderr, "%d (%s)\n", i, Pa_GetDeviceInfo(i)->name );
-    }
-    Pa_Terminate();
-    exit(-1);
-}
-
-/*
-    ideas:
-        o- could be testing with 80% CPU load
-        o- could test with different channel counts
-*/
-
-int main(int argc, char* argv[])
-{
-    PaError err;
-    int i;
-    int deviceIndex;
-    int wmmeBufferCount, wmmeBufferSize, smallestWorkingBufferSize;
-    int smallestWorkingBufferingLatencyFrames;
-    int min, max, mid;
-    int testResult;
-    FILE *resultsFp;
-    int wmmeHostApiIndex;
-    const PaHostApiInfo *wmmeHostApiInfo;
-    double sampleRate = DEFAULT_SAMPLE_RATE;
-    int wmmeMinBufferCount = MIN_WMME_BUFFER_COUNT;
-    int wmmeMaxBufferCount = MAX_WMME_BUFFER_COUNT;
-
-    err = Pa_Initialize();
-    if( err != paNoError ) goto error;
-
-    wmmeHostApiIndex = Pa_HostApiTypeIdToHostApiIndex( paMME );
-    wmmeHostApiInfo = Pa_GetHostApiInfo( wmmeHostApiIndex );
-
-    if( argc > 5 )
-        usage(wmmeHostApiIndex);
-
-    deviceIndex = wmmeHostApiInfo->defaultOutputDevice;
-    if( argc >= 2 ){
-        deviceIndex = -1;
-        if( sscanf( argv[1], "%d", &deviceIndex ) != 1 )
-            usage(wmmeHostApiIndex);
-        if( deviceIndex < 0 || deviceIndex >= Pa_GetDeviceCount() || Pa_GetDeviceInfo(deviceIndex)->hostApi != wmmeHostApiIndex ){
-            usage(wmmeHostApiIndex);
-        }
-    }
-
-    printf( "Using device id %d (%s)\n", deviceIndex, Pa_GetDeviceInfo(deviceIndex)->name );
-
-    if( argc >= 3 ){
-        if( sscanf( argv[2], "%lf", &sampleRate ) != 1 )
-            usage(wmmeHostApiIndex);
-    }
-
-    printf( "Testing with sample rate %f.\n", (float)sampleRate );
-
-    if( argc == 4 ){
-        if( sscanf( argv[3], "%d", &wmmeMinBufferCount ) != 1 )
-            usage(wmmeHostApiIndex);
-        wmmeMaxBufferCount = wmmeMinBufferCount;
-    }
-
-    if( argc == 5 ){
-        if( sscanf( argv[3], "%d", &wmmeMinBufferCount ) != 1 )
-            usage(wmmeHostApiIndex);
-        if( sscanf( argv[4], "%d", &wmmeMaxBufferCount ) != 1 )
-            usage(wmmeHostApiIndex);
-    }
-
-    printf( "Testing buffer counts from %d to %d\n", wmmeMinBufferCount, wmmeMaxBufferCount );
-
-
-    /* initialise sinusoidal wavetable */
-    for( i=0; i<TABLE_SIZE; i++ )
-    {
-        data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
-    }
-
-    data.phase = 0;
-
-    resultsFp = fopen( "results.txt", "at" );
-    fprintf( resultsFp, "*** WMME smallest working output buffer sizes\n" );
-
-    printTimeAndDate( resultsFp );
-    printWindowsVersionInfo( resultsFp );
-
-    fprintf( resultsFp, "audio device: %s\n", Pa_GetDeviceInfo( deviceIndex )->name );
-    fflush( resultsFp );
-
-    fprintf( resultsFp, "Sample rate: %f\n", (float)sampleRate );
-    fprintf( resultsFp, "Buffer count, Smallest working buffer size (frames), Smallest working buffering latency (frames), Smallest working buffering latency (Seconds)\n" );
-
-    for( wmmeBufferCount = wmmeMinBufferCount; wmmeBufferCount <= wmmeMaxBufferCount; ++wmmeBufferCount ){
-
-        printf( "Test %d of %d\n", (wmmeBufferCount - wmmeMinBufferCount) + 1, (wmmeMaxBufferCount-wmmeMinBufferCount) + 1 );
-        printf( "Testing with %d buffers...\n", wmmeBufferCount );
-
-        /*
-            Binary search after Niklaus Wirth
-            from http://en.wikipedia.org/wiki/Binary_search_algorithm#The_algorithm
-         */
-        min = 1;
-        max = (int)((sampleRate * .3) / (wmmeBufferCount-1)); //8192;    /* we assume that this size works 300ms */
-        smallestWorkingBufferSize = 0;
-
-        do{
-            mid = min + ((max - min) / 2);
-
-            wmmeBufferSize = mid;
-            testResult = playUntilKeyPress( deviceIndex, sampleRate, wmmeBufferSize, wmmeBufferSize, wmmeBufferCount );
-
-            if( testResult == YES ){
-                max = mid - 1;
-                smallestWorkingBufferSize = wmmeBufferSize;
-            }else{
-                min = mid + 1;
-            }
-
-        }while( (min <= max) && (testResult == YES || testResult == NO) );
-
-        smallestWorkingBufferingLatencyFrames = smallestWorkingBufferSize * (wmmeBufferCount - 1);
-
-        printf( "Smallest working buffer size for %d buffers is: %d\n", wmmeBufferCount, smallestWorkingBufferSize );
-        printf( "Corresponding to buffering latency of %d frames, or %f seconds.\n", smallestWorkingBufferingLatencyFrames, smallestWorkingBufferingLatencyFrames / sampleRate );
-
-        fprintf( resultsFp, "%d, %d, %d, %f\n", wmmeBufferCount, smallestWorkingBufferSize, smallestWorkingBufferingLatencyFrames, smallestWorkingBufferingLatencyFrames / sampleRate );
-        fflush( resultsFp );
-    }
-
-    fprintf( resultsFp, "###\n" );
-    fclose( resultsFp );
-
-    Pa_Terminate();
-    printf("Test finished.\n");
-
-    return err;
-error:
-    Pa_Terminate();
-    fprintf( stderr, "An error occurred while using the portaudio stream\n" );
-    fprintf( stderr, "Error number: %d\n", err );
-    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
-    return err;
-}