add plibsys

1 files changed, 0 insertions, 482 deletions

diff --git a/portaudio/qa/paqa_latency.c b/portaudio/qa/paqa_latency.c
deleted file mode 100644
index a70807b..0000000
--- a/portaudio/qa/paqa_latency.c
+++ /dev/null
@@ -1,482 +0,0 @@
-/** @file paqa_latency.c
-    @ingroup qa_src
-    @brief Test latency estimates.
-    @author Ross Bencina <rossb@audiomulch.com>
-    @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id: patest_sine.c 1368 2008-03-01 00:38:27Z rossb $
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com/
- * 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.
- *
- * 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 <math.h>
-#include "portaudio.h"
-#include "loopback/src/qa_tools.h"
-
-#define NUM_SECONDS   (5)
-#define SAMPLE_RATE   (44100)
-#define FRAMES_PER_BUFFER  (64)
-
-#ifndef M_PI
-#define M_PI  (3.14159265)
-#endif
-
-#define TABLE_SIZE   (200)
-typedef struct
-{
-    float sine[TABLE_SIZE];
-    int left_phase;
-    int right_phase;
-    char message[20];
-    int minFramesPerBuffer;
-    int maxFramesPerBuffer;
-    int callbackCount;
-    PaTime minDeltaDacTime;
-    PaTime maxDeltaDacTime;
-    PaStreamCallbackTimeInfo previousTimeInfo;
-}
-paTestData;
-
-/* Used to tally the results of the QA tests. */
-int g_testsPassed = 0;
-int g_testsFailed = 0;
-
-/* 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;
-
-    (void) timeInfo; /* Prevent unused variable warnings. */
-    (void) statusFlags;
-    (void) inputBuffer;
-
-    if( data->minFramesPerBuffer > framesPerBuffer )
-    {
-        data->minFramesPerBuffer = framesPerBuffer;
-    }
-    if( data->maxFramesPerBuffer < framesPerBuffer )
-    {
-        data->maxFramesPerBuffer = framesPerBuffer;
-    }
-
-    /* Measure min and max output time stamp delta. */
-    if( data->callbackCount > 0 )
-    {
-        PaTime delta = timeInfo->outputBufferDacTime - data->previousTimeInfo.outputBufferDacTime;
-        if( data->minDeltaDacTime > delta )
-        {
-            data->minDeltaDacTime = delta;
-        }
-        if( data->maxDeltaDacTime < delta )
-        {
-            data->maxDeltaDacTime = delta;
-        }
-    }
-    data->previousTimeInfo = *timeInfo;
-
-    for( i=0; i<framesPerBuffer; i++ )
-    {
-        *out++ = data->sine[data->left_phase];  /* left */
-        *out++ = data->sine[data->right_phase];  /* right */
-        data->left_phase += 1;
-        if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
-        data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
-        if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
-    }
-
-    data->callbackCount += 1;
-    return paContinue;
-}
-
-PaError paqaCheckLatency( PaStreamParameters *outputParamsPtr,
-                         paTestData *dataPtr, double sampleRate, unsigned long framesPerBuffer )
-{
-    PaError err;
-    PaStream *stream;
-    const PaStreamInfo* streamInfo;
-
-    dataPtr->minFramesPerBuffer = 9999999;
-    dataPtr->maxFramesPerBuffer = 0;
-    dataPtr->minDeltaDacTime = 9999999.0;
-    dataPtr->maxDeltaDacTime = 0.0;
-    dataPtr->callbackCount = 0;
-
-    printf("Stream parameter: suggestedOutputLatency = %g\n", outputParamsPtr->suggestedLatency );
-    if( framesPerBuffer == paFramesPerBufferUnspecified ){
-        printf("Stream parameter: user framesPerBuffer = paFramesPerBufferUnspecified\n" );
-    }else{
-        printf("Stream parameter: user framesPerBuffer = %lu\n", framesPerBuffer );
-    }
-    err = Pa_OpenStream(
-                        &stream,
-                        NULL, /* no input */
-                        outputParamsPtr,
-                        sampleRate,
-                        framesPerBuffer,
-                        paClipOff,      /* we won't output out of range samples so don't bother clipping them */
-                        patestCallback,
-                        dataPtr );
-    if( err != paNoError ) goto error1;
-
-    streamInfo = Pa_GetStreamInfo( stream );
-    printf("Stream info: inputLatency  = %g\n", streamInfo->inputLatency );
-    printf("Stream info: outputLatency = %g\n", streamInfo->outputLatency );
-
-    err = Pa_StartStream( stream );
-    if( err != paNoError ) goto error2;
-
-    printf("Play for %d seconds.\n", NUM_SECONDS );
-    Pa_Sleep( NUM_SECONDS * 1000 );
-
-    printf("  minFramesPerBuffer = %4d\n", dataPtr->minFramesPerBuffer );
-    printf("  maxFramesPerBuffer = %4d\n", dataPtr->maxFramesPerBuffer );
-    printf("  minDeltaDacTime = %f\n", dataPtr->minDeltaDacTime );
-    printf("  maxDeltaDacTime = %f\n", dataPtr->maxDeltaDacTime );
-
-    err = Pa_StopStream( stream );
-    if( err != paNoError ) goto error2;
-
-    err = Pa_CloseStream( stream );
-    Pa_Sleep( 1 * 1000 );
-
-
-    printf("-------------------------------------\n");
-    return err;
-error2:
-    Pa_CloseStream( stream );
-error1:
-    printf("-------------------------------------\n");
-    return err;
-}
-
-
-/*******************************************************************/
-static int paqaNoopCallback( const void *inputBuffer, void *outputBuffer,
-                          unsigned long framesPerBuffer,
-                          const PaStreamCallbackTimeInfo* timeInfo,
-                          PaStreamCallbackFlags statusFlags,
-                          void *userData )
-{
-    (void)inputBuffer;
-    (void)outputBuffer;
-    (void)framesPerBuffer;
-    (void)timeInfo;
-    (void)statusFlags;
-    (void)userData;
-    return paContinue;
-}
-
-/*******************************************************************/
-static int paqaCheckMultipleSuggested( PaDeviceIndex deviceIndex, int isInput )
-{
-    int i;
-    int numLoops = 10;
-    PaError err;
-    PaStream *stream;
-    PaStreamParameters streamParameters;
-    const PaStreamInfo* streamInfo;
-    double lowLatency;
-    double highLatency;
-    double finalLatency;
-    double sampleRate = SAMPLE_RATE;
-    const PaDeviceInfo *pdi = Pa_GetDeviceInfo( deviceIndex );
-    double previousLatency = 0.0;
-    int numChannels = 1;
-    float toleranceRatio = 1.0;
-
-    printf("------------------------ paqaCheckMultipleSuggested - %s\n",
-           (isInput ? "INPUT" : "OUTPUT") );
-    if( isInput )
-    {
-        lowLatency = pdi->defaultLowInputLatency;
-        highLatency = pdi->defaultHighInputLatency;
-        numChannels = (pdi->maxInputChannels < 2) ? 1 : 2;
-    }
-    else
-    {
-        lowLatency = pdi->defaultLowOutputLatency;
-        highLatency = pdi->defaultHighOutputLatency;
-        numChannels = (pdi->maxOutputChannels < 2) ? 1 : 2;
-    }
-    streamParameters.channelCount = numChannels;
-    streamParameters.device = deviceIndex;
-    streamParameters.hostApiSpecificStreamInfo = NULL;
-    streamParameters.sampleFormat = paFloat32;
-    sampleRate = pdi->defaultSampleRate;
-
-    printf(" lowLatency  = %g\n", lowLatency );
-    printf(" highLatency = %g\n", highLatency );
-    printf(" numChannels = %d\n", numChannels );
-    printf(" sampleRate  = %g\n", sampleRate );
-
-    if( (highLatency - lowLatency) < 0.001 )
-    {
-        numLoops = 1;
-    }
-
-    for( i=0; i<numLoops; i++ )
-    {
-        if( numLoops == 1 )
-            streamParameters.suggestedLatency = lowLatency;
-        else
-            streamParameters.suggestedLatency = lowLatency + ((highLatency - lowLatency) * i /(numLoops - 1));
-
-        printf("   suggestedLatency[%d] = %6.4f\n", i, streamParameters.suggestedLatency );
-
-        err = Pa_OpenStream(
-                            &stream,
-                            (isInput ? &streamParameters : NULL),
-                            (isInput ? NULL : &streamParameters),
-                            sampleRate,
-                            paFramesPerBufferUnspecified,
-                            paClipOff,      /* we won't output out of range samples so don't bother clipping them */
-                            paqaNoopCallback,
-                            NULL );
-        if( err != paNoError ) goto error;
-
-        streamInfo = Pa_GetStreamInfo( stream );
-
-        err = Pa_CloseStream( stream );
-
-        if( isInput )
-        {
-            finalLatency = streamInfo->inputLatency;
-        }
-        else
-        {
-            finalLatency = streamInfo->outputLatency;
-        }
-        printf("          finalLatency = %6.4f\n", finalLatency );
-        /* For the default low & high latency values, expect quite close; for other requested
-         * values, at worst the next power-of-2 may result (eg 513 -> 1024) */
-        toleranceRatio = ( (i == 0) || (i == ( numLoops - 1 )) ) ? 0.1 : 1.0;
-        QA_ASSERT_CLOSE( "final latency should be close to suggested latency",
-                        streamParameters.suggestedLatency, finalLatency, (streamParameters.suggestedLatency * toleranceRatio) );
-        if( i == 0 )
-        {
-            previousLatency = finalLatency;
-        }
-    }
-
-    if( numLoops > 1 )
-    {
-        QA_ASSERT_TRUE( " final latency should increase with suggested latency", (finalLatency > previousLatency) );
-    }
-
-    return 0;
-error:
-    return -1;
-}
-
-/*******************************************************************/
-static int paqaVerifySuggestedLatency( void )
-{
-    PaDeviceIndex id;
-    int result = 0;
-    const PaDeviceInfo *pdi;
-    int numDevices = Pa_GetDeviceCount();
-
-    printf("\n ------------------------ paqaVerifySuggestedLatency\n");
-    for( id=0; id<numDevices; id++ )            /* Iterate through all devices. */
-    {
-        pdi = Pa_GetDeviceInfo( id );
-        printf("\nUsing device #%d: '%s' (%s)\n", id, pdi->name, Pa_GetHostApiInfo(pdi->hostApi)->name);
-        if( pdi->maxOutputChannels > 0 )
-        {
-            if( paqaCheckMultipleSuggested( id, 0 ) < 0 )
-            {
-                printf("OUTPUT CHECK FAILED !!! #%d: '%s'\n", id, pdi->name);
-                result -= 1;
-            }
-        }
-        if( pdi->maxInputChannels > 0 )
-        {
-            if( paqaCheckMultipleSuggested( id, 1 ) < 0 )
-            {
-                printf("INPUT CHECK FAILED !!! #%d: '%s'\n", id, pdi->name);
-                result -= 1;
-            }
-        }
-    }
-    return result;
-}
-
-/*******************************************************************/
-static int paqaVerifyDeviceInfoLatency( void )
-{
-    PaDeviceIndex id;
-    const PaDeviceInfo *pdi;
-    int numDevices = Pa_GetDeviceCount();
-
-    printf("\n ------------------------ paqaVerifyDeviceInfoLatency\n");
-    for( id=0; id<numDevices; id++ ) /* Iterate through all devices. */
-    {
-        pdi = Pa_GetDeviceInfo( id );
-        printf("Using device #%d: '%s' (%s)\n", id, pdi->name, Pa_GetHostApiInfo(pdi->hostApi)->name);
-        if( pdi->maxOutputChannels > 0 )
-        {
-            printf("  Output defaultLowOutputLatency  = %f seconds\n", pdi->defaultLowOutputLatency);
-            printf("  Output defaultHighOutputLatency = %f seconds\n", pdi->defaultHighOutputLatency);
-            QA_ASSERT_TRUE( "defaultLowOutputLatency should be > 0", (pdi->defaultLowOutputLatency > 0.0) );
-            QA_ASSERT_TRUE( "defaultHighOutputLatency should be > 0", (pdi->defaultHighOutputLatency > 0.0) );
-            QA_ASSERT_TRUE( "defaultHighOutputLatency should be >= Low", (pdi->defaultHighOutputLatency >= pdi->defaultLowOutputLatency) );
-        }
-        if( pdi->maxInputChannels > 0 )
-        {
-            printf("  Input defaultLowInputLatency  = %f seconds\n", pdi->defaultLowInputLatency);
-            printf("  Input defaultHighInputLatency = %f seconds\n", pdi->defaultHighInputLatency);
-            QA_ASSERT_TRUE( "defaultLowInputLatency should be > 0", (pdi->defaultLowInputLatency > 0.0) );
-            QA_ASSERT_TRUE( "defaultHighInputLatency should be > 0", (pdi->defaultHighInputLatency > 0.0) );
-            QA_ASSERT_TRUE( "defaultHighInputLatency should be >= Low", (pdi->defaultHighInputLatency >= pdi->defaultLowInputLatency) );
-        }
-    }
-    return 0;
-error:
-    return -1;
-}
-
-
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
-    PaStreamParameters outputParameters;
-    PaError err;
-    paTestData data;
-    const PaDeviceInfo *deviceInfo;
-    int i;
-    int framesPerBuffer;
-    double sampleRate = SAMPLE_RATE;
-
-    printf("\nPortAudio QA: investigate output latency.\n");
-
-    /* initialise sinusoidal wavetable */
-    for( i=0; i<TABLE_SIZE; i++ )
-    {
-        data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
-    }
-    data.left_phase = data.right_phase = 0;
-
-    err = Pa_Initialize();
-    if( err != paNoError ) goto error;
-
-    /* Run self tests. */
-    if( paqaVerifyDeviceInfoLatency() < 0 ) goto error;
-
-    if( paqaVerifySuggestedLatency() < 0 ) goto error;
-
-    outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
-    if (outputParameters.device == paNoDevice) {
-        fprintf(stderr,"Error: No default output device.\n");
-        goto error;
-    }
-
-    printf("\n\nNow running Audio Output Tests...\n");
-    printf("-------------------------------------\n");
-
-    outputParameters.channelCount = 2;       /* stereo output */
-    outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
-    deviceInfo = Pa_GetDeviceInfo( outputParameters.device );
-    printf("Using device #%d: '%s' (%s)\n", outputParameters.device, deviceInfo->name, Pa_GetHostApiInfo(deviceInfo->hostApi)->name);
-    printf("Device info: defaultLowOutputLatency  = %f seconds\n", deviceInfo->defaultLowOutputLatency);
-    printf("Device info: defaultHighOutputLatency = %f seconds\n", deviceInfo->defaultHighOutputLatency);
-    sampleRate = deviceInfo->defaultSampleRate;
-    printf("Sample Rate for following tests: %g\n", sampleRate);
-    outputParameters.hostApiSpecificStreamInfo = NULL;
-    printf("-------------------------------------\n");
-
-    // Try to use a small buffer that is smaller than we think the device can handle.
-    // Try to force combining multiple user buffers into a host buffer.
-    printf("------------- Try a very small buffer.\n");
-    framesPerBuffer = 9;
-    outputParameters.suggestedLatency = deviceInfo->defaultLowOutputLatency;
-    err = paqaCheckLatency( &outputParameters, &data, sampleRate, framesPerBuffer );
-    if( err != paNoError ) goto error;
-
-    printf("------------- 64 frame buffer with 1.1 * defaultLow latency.\n");
-    framesPerBuffer = 64;
-    outputParameters.suggestedLatency = deviceInfo->defaultLowOutputLatency * 1.1;
-    err = paqaCheckLatency( &outputParameters, &data, sampleRate, framesPerBuffer );
-    if( err != paNoError ) goto error;
-
-    // Try to create a huge buffer that is bigger than the allowed device maximum.
-    printf("------------- Try a huge buffer.\n");
-    framesPerBuffer = 16*1024;
-    outputParameters.suggestedLatency = ((double)framesPerBuffer) / sampleRate; // approximate
-    err = paqaCheckLatency( &outputParameters, &data, sampleRate, framesPerBuffer );
-    if( err != paNoError ) goto error;
-
-    printf("------------- Try suggestedLatency = 0.0\n");
-    outputParameters.suggestedLatency = 0.0;
-    err = paqaCheckLatency( &outputParameters, &data, sampleRate, paFramesPerBufferUnspecified );
-    if( err != paNoError ) goto error;
-
-    printf("------------- Try suggestedLatency = defaultLowOutputLatency\n");
-    outputParameters.suggestedLatency = deviceInfo->defaultLowOutputLatency;
-    err = paqaCheckLatency( &outputParameters, &data, sampleRate, paFramesPerBufferUnspecified );
-    if( err != paNoError ) goto error;
-
-    printf("------------- Try suggestedLatency = defaultHighOutputLatency\n");
-    outputParameters.suggestedLatency = deviceInfo->defaultHighOutputLatency;
-    err = paqaCheckLatency( &outputParameters, &data, sampleRate, paFramesPerBufferUnspecified );
-    if( err != paNoError ) goto error;
-
-    printf("------------- Try suggestedLatency = defaultHighOutputLatency * 4\n");
-    outputParameters.suggestedLatency = deviceInfo->defaultHighOutputLatency * 4;
-    err = paqaCheckLatency( &outputParameters, &data, sampleRate, paFramesPerBufferUnspecified );
-    if( err != paNoError ) goto error;
-
-    Pa_Terminate();
-    printf("SUCCESS - test finished.\n");
-    return err;
-
-error:
-    Pa_Terminate();
-    fprintf( stderr, "ERROR - test failed.\n" );
-    fprintf( stderr, "Error number: %d\n", err );
-    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
-    return err;
-}