add plibsys

1 files changed, 0 insertions, 190 deletions

diff --git a/portaudio/test/patest_dither.c b/portaudio/test/patest_dither.c
deleted file mode 100644
index fc402dc..0000000
--- a/portaudio/test/patest_dither.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/** @file patest_dither.c
-    @ingroup test_src
-    @brief Attempt to hear difference between dithered and non-dithered signal.
-
-    This only has an effect if the native format is 16 bit.
-
-    @author Phil Burk  http://www.softsynth.com
-*/
-/*
- * $Id$
- *
- * 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"
-
-#define NUM_SECONDS   (5)
-#define SAMPLE_RATE   (44100)
-#ifndef M_PI
-#define M_PI  (3.14159265)
-#endif
-#define TABLE_SIZE   (200)
-
-typedef struct paTestData
-{
-    float sine[TABLE_SIZE];
-    float amplitude;
-    int   left_phase;
-    int   right_phase;
-}
-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 sineCallback( const void *inputBuffer, void *outputBuffer,
-                         unsigned long framesPerBuffer,
-                         const PaStreamCallbackTimeInfo *timeInfo,
-                         PaStreamCallbackFlags statusFlags, void *userData )
-{
-    paTestData *data = (paTestData*)userData;
-    float *out = (float*)outputBuffer;
-    float amplitude = data->amplitude;
-    unsigned int i;
-    (void) inputBuffer;
-
-    for( i=0; i<framesPerBuffer; i++ )
-    {
-        *out++ = amplitude * data->sine[data->left_phase];  /* left */
-        *out++ = amplitude * 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;
-    }
-    return 0;
-}
-
-/*****************************************************************************/
-/*
-    V18 version did not call Pa_Terminate() if Pa_Initialize() failed.
-    This V19 version ALWAYS calls Pa_Terminate(). PS.
-*/
-PaError PlaySine( paTestData *data, PaStreamFlags flags, float amplitude );
-PaError PlaySine( paTestData *data, PaStreamFlags flags, float amplitude )
-{
-    PaStream*           stream;
-    PaStreamParameters  outputParameters;
-    PaError             err;
-
-    data->left_phase = data->right_phase = 0;
-    data->amplitude  = amplitude;
-
-    err = Pa_Initialize();
-    if (err != paNoError)
-        goto done;
-
-    outputParameters.device = Pa_GetDefaultOutputDevice();  /* default output device */
-    if (outputParameters.device == paNoDevice) {
-        fprintf(stderr,"Error: No default output device.\n");
-        goto done;
-    }
-    outputParameters.channelCount = 2;                      /* stereo output */
-    outputParameters.hostApiSpecificStreamInfo = NULL;
-    outputParameters.sampleFormat = paFloat32;      /* 32 bit floating point output. */
-                                                    /* When you change this, also    */
-                                                    /* adapt the callback routine!   */
-    outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )
-                                        ->defaultLowOutputLatency;   /* Low latency. */
-    err = Pa_OpenStream( &stream,
-                         NULL,                              /* No input. */
-                         &outputParameters,
-                         SAMPLE_RATE,
-                         1024,                              /* frames per buffer */
-                         flags,
-                         sineCallback,
-                         (void*)data );
-    if (err != paNoError)
-        goto done;
-
-    err = Pa_StartStream( stream );
-    if (err != paNoError)
-        goto done;
-
-    Pa_Sleep( NUM_SECONDS * 1000 );
-    printf("CPULoad = %8.6f\n", Pa_GetStreamCpuLoad(stream));
-
-    err = Pa_CloseStream( stream );
-done:
-    Pa_Sleep( 250 );  /* Just a small silence. */
-    Pa_Terminate();
-    return err;
-}
-
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
-    PaError     err;
-    paTestData  DATA;
-    int         i;
-    float       amplitude = 4.0 / (1<<15);
-
-    printf("PortAudio Test: output EXTREMELY QUIET sine wave with and without dithering.\n");
-    /* initialise sinusoidal wavetable */
-    for( i=0; i<TABLE_SIZE; i++ )
-    {
-        DATA.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
-    }
-    printf("\nNo treatment..\n"); fflush(stdout);
-    err = PlaySine( &DATA, paClipOff | paDitherOff, amplitude );
-    if( err < 0 ) goto done;
-
-    printf("\nClip..\n");
-    fflush(stdout);
-    err = PlaySine( &DATA, paDitherOff, amplitude );
-    if( err < 0 ) goto done;
-
-    printf("\nClip and Dither..\n");
-    fflush(stdout);
-    err = PlaySine( &DATA, paNoFlag, amplitude );
-done:
-    if (err)
-        {
-        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 ) );
-        err = 1; /* Though PlaySine() already called Pa_Terminate(), */
-        }        /* we may still call Pa_GetErrorText().             */
-    else
-        printf("\n(Don't forget to turn the VOLUME DOWN after listening so carefully.)\n");
-    return err;  /* 0 or 1. */
-}