add plibsys

1 files changed, 0 insertions, 251 deletions

diff --git a/portaudio/test/patest_out_underflow.c b/portaudio/test/patest_out_underflow.c
deleted file mode 100644
index a8c45ea..0000000
--- a/portaudio/test/patest_out_underflow.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/** @file patest_out_underflow.c
-    @ingroup test_src
-    @brief Count output underflows (using paOutputUnderflow flag)
-    under overloaded and normal conditions.
-    @author Ross Bencina <rossb@audiomulch.com>
-    @author Phil Burk <philburk@softsynth.com>
-*/
-/*
- * $Id$
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com
- * Copyright (c) 1999-2004 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"
-
-#define MAX_SINES     (1000)
-#define MAX_LOAD      (1.2)
-#define SAMPLE_RATE   (44100)
-#define FRAMES_PER_BUFFER  (512)
-#ifndef M_PI
-#define M_PI  (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-typedef struct paTestData
-{
-    int sineCount;
-    double phases[MAX_SINES];
-    int countUnderflows;
-    int outputUnderflowCount;
-}
-paTestData;
-
-/* 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;
-    int j;
-    int finished = paContinue;
-    (void) timeInfo;    /* Prevent unused variable warning. */
-    (void) inputBuffer; /* Prevent unused variable warning. */
-
-
-    if( data->countUnderflows && (statusFlags & paOutputUnderflow) )
-    {
-        data->outputUnderflowCount++;
-    }
-    for( i=0; i<framesPerBuffer; i++ )
-    {
-        float output = 0.0;
-        double phaseInc = 0.02;
-        double phase;
-
-        for( j=0; j<data->sineCount; j++ )
-        {
-            /* Advance phase of next oscillator. */
-            phase = data->phases[j];
-            phase += phaseInc;
-            if( phase > TWOPI ) phase -= TWOPI;
-
-            phaseInc *= 1.02;
-            if( phaseInc > 0.5 ) phaseInc *= 0.5;
-
-            /* This is not a very efficient way to calc sines. */
-            output += (float) sin( phase );
-            data->phases[j] = phase;
-        }
-        *out++ = (float) (output / data->sineCount);
-    }
-
-    return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
-    PaStreamParameters outputParameters;
-    PaStream *stream;
-    PaError err;
-    int safeSineCount, stressedSineCount;
-    int sineCount;
-    int safeUnderflowCount, stressedUnderflowCount;
-    paTestData data = {0};
-    double load;
-    double suggestedLatency;
-
-
-    printf("PortAudio Test: output sine waves, count underflows. SR = %d, BufSize = %d. MAX_LOAD = %f\n",
-        SAMPLE_RATE, FRAMES_PER_BUFFER, (float)MAX_LOAD );
-
-    err = Pa_Initialize();
-    if( err != paNoError ) goto error;
-
-    outputParameters.device = Pa_GetDefaultOutputDevice();  /* default output device */
-    if (outputParameters.device == paNoDevice) {
-        fprintf(stderr,"Error: No default output device.\n");
-        goto error;
-    }
-    outputParameters.channelCount = 1;                      /* mono output */
-    outputParameters.sampleFormat = paFloat32;              /* 32 bit floating point output */
-    suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
-    outputParameters.suggestedLatency = suggestedLatency;
-    outputParameters.hostApiSpecificStreamInfo = NULL;
-
-    err = Pa_OpenStream(
-              &stream,
-              NULL,         /* no input */
-              &outputParameters,
-              SAMPLE_RATE,
-              FRAMES_PER_BUFFER,
-              paClipOff,    /* we won't output out of range samples so don't bother clipping them */
-              patestCallback,
-              &data );
-    if( err != paNoError ) goto error;
-    err = Pa_StartStream( stream );
-    if( err != paNoError ) goto error;
-
-    printf("Establishing load conditions...\n" );
-
-    /* Determine number of sines required to get to 50% */
-    do
-    {
-        Pa_Sleep( 100 );
-
-        load = Pa_GetStreamCpuLoad( stream );
-        printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
-
-        if( load < 0.3 )
-        {
-            data.sineCount += 10;
-        }
-        else if( load < 0.4 )
-        {
-            data.sineCount += 2;
-        }
-        else
-        {
-            data.sineCount += 1;
-        }
-    }
-    while( load < 0.5 && data.sineCount < (MAX_SINES-1));
-
-    safeSineCount = data.sineCount;
-
-    /* Calculate target stress value then ramp up to that level*/
-    stressedSineCount = (int) (2.0 * data.sineCount * MAX_LOAD );
-    if( stressedSineCount > MAX_SINES )
-        stressedSineCount = MAX_SINES;
-    sineCount = data.sineCount;
-    for( ; sineCount < stressedSineCount; sineCount+=4 )
-    {
-        data.sineCount = sineCount;
-        Pa_Sleep( 100 );
-        load = Pa_GetStreamCpuLoad( stream );
-        printf("STRESSING: sineCount = %d, CPU load = %f\n", sineCount, load );
-    }
-
-    printf("Counting underflows for 2 seconds.\n");
-    data.countUnderflows = 1;
-    Pa_Sleep( 2000 );
-
-    stressedUnderflowCount = data.outputUnderflowCount;
-
-    data.countUnderflows = 0;
-    data.sineCount = safeSineCount;
-
-    printf("Resuming safe load...\n");
-    Pa_Sleep( 1500 );
-    data.outputUnderflowCount = 0;
-    Pa_Sleep( 1500 );
-    load = Pa_GetStreamCpuLoad( stream );
-    printf("sineCount = %d, CPU load = %f\n", data.sineCount, load );
-
-    printf("Counting underflows for 5 seconds.\n");
-    data.countUnderflows = 1;
-    Pa_Sleep( 5000 );
-
-    safeUnderflowCount = data.outputUnderflowCount;
-
-    printf("Stop stream.\n");
-    err = Pa_StopStream( stream );
-    if( err != paNoError ) goto error;
-
-    err = Pa_CloseStream( stream );
-    if( err != paNoError ) goto error;
-
-    Pa_Terminate();
-
-    printf("suggestedLatency = %f\n", suggestedLatency);
-
-    // Report pass or fail
-    if( stressedUnderflowCount == 0 )
-        printf("Test FAILED, no output underflows detected under stress.\n");
-    else
-        printf("Test %s, %d expected output underflows detected under stress, "
-               "%d unexpected underflows detected under safe load.\n",
-               (safeUnderflowCount == 0) ? "PASSED" : "FAILED",
-               stressedUnderflowCount, safeUnderflowCount );
-
-    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;
-}