From fe8aa4ce5e8eebc1c6f762f4fc40328718a13e22 Mon Sep 17 00:00:00 2001
From: Miller Puckette <millerpuckette@users.sourceforge.net>
Date: Sat, 31 Dec 2005 01:32:12 +0000
Subject: Deleted unused (?) files

svn path=/trunk/; revision=4318
---
 pd/portaudio_v18/pa_tests/patest_maxsines.c | 201 ----------------------------
 1 file changed, 201 deletions(-)
 delete mode 100644 pd/portaudio_v18/pa_tests/patest_maxsines.c

(limited to 'pd/portaudio_v18/pa_tests/patest_maxsines.c')

diff --git a/pd/portaudio_v18/pa_tests/patest_maxsines.c b/pd/portaudio_v18/pa_tests/patest_maxsines.c
deleted file mode 100644
index e352715f..00000000
--- a/pd/portaudio_v18/pa_tests/patest_maxsines.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * $Id: patest_maxsines.c,v 1.4.4.1 2003/04/10 23:09:40 philburk Exp $
- * patest_maxsines.c
- * How many sine waves can we calculate and play in less than 80% CPU Load.
- *
- * Authors:
- *    Ross Bencina <rossb@audiomulch.com>
- *    Phil Burk <philburk@softsynth.com>
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.audiomulch.com/portaudio/
- * 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.
- *
- * 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.
- *
- * 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.
- *
- */
-#include <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define MAX_SINES     (500)
-#define MAX_USAGE     (0.8)
-#define SAMPLE_RATE   (44100)
-#define FREQ_TO_PHASE_INC(freq)   (freq/(float)SAMPLE_RATE)
-
-#define MIN_PHASE_INC  FREQ_TO_PHASE_INC(200.0f)
-#define MAX_PHASE_INC  (MIN_PHASE_INC * (1 << 5))
-
-#define FRAMES_PER_BUFFER  (512)
-#ifndef M_PI
-#define M_PI  (3.14159265)
-#endif
-#define TWOPI (M_PI * 2.0)
-
-#define TABLE_SIZE   (512)
-
-typedef struct paTestData
-{
-    int numSines;
-    float sine[TABLE_SIZE + 1]; /* add one for guard point for interpolation */
-    float phases[MAX_SINES];
-}
-paTestData;
-
-/* Convert phase between and 1.0 to sine value
- * using linear interpolation.
- */
-float LookupSine( paTestData *data, float phase );
-float LookupSine( paTestData *data, float phase )
-{
-    float fIndex = phase*TABLE_SIZE;
-    int   index = (int) fIndex;
-    float fract = fIndex - index;
-    float lo = data->sine[index];
-    float hi = data->sine[index+1];
-    float val = lo + fract*(hi-lo);
-    return val;
-}
-
-/* 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(   void *inputBuffer, void *outputBuffer,
-                             unsigned long framesPerBuffer,
-                             PaTimestamp outTime, void *userData )
-{
-    paTestData *data = (paTestData*)userData;
-    float *out = (float*)outputBuffer;
-    float outSample;
-    float scaler;
-    int numForScale;
-    unsigned long i;
-    int j;
-    int finished = 0;
-    (void) outTime; /* Prevent unused variable warnings. */
-    (void) inputBuffer;
-
-/* Detemine amplitude scaling factor */
-    numForScale = data->numSines;
-    if( numForScale < 8 ) numForScale = 8;  /* prevent pops at beginning */
-    scaler = 1.0f / numForScale;
-    
-    for( i=0; i<framesPerBuffer; i++ )
-    {
-        float output = 0.0;
-        float phaseInc = MIN_PHASE_INC;
-        float phase;
-        for( j=0; j<data->numSines; j++ )
-        {
-            /* Advance phase of next oscillator. */
-            phase = data->phases[j];
-            phase += phaseInc;
-            if( phase >= 1.0 ) phase -= 1.0;
-
-            output += LookupSine(data, phase); 
-            data->phases[j] = phase;
-            
-            phaseInc *= 1.02f;
-            if( phaseInc > MAX_PHASE_INC ) phaseInc = MIN_PHASE_INC;
-        }
-
-        outSample = (float) (output * scaler);
-        *out++ = outSample; /* Left */
-        *out++ = outSample; /* Right */
-    }
-    return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
-	int i;
-    PortAudioStream *stream;
-    PaError err;
-    paTestData data = {0};
-    double load;
-    printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
-
-    /* initialise sinusoidal wavetable */
-    for( i=0; i<TABLE_SIZE; i++ )
-    {
-        data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
-    }
-    data.sine[TABLE_SIZE] = data.sine[0]; /* set guard point */
-
-    err = Pa_Initialize();
-    if( err != paNoError ) goto error;
-    err = Pa_OpenStream(
-              &stream,
-              paNoDevice,
-              0,              /* no input */
-              paFloat32,
-              NULL,
-              Pa_GetDefaultOutputDeviceID(), /* default output device */
-              2,              /* stereo output */
-              paFloat32,      /* 32 bit floating point output */
-              NULL,
-              SAMPLE_RATE,
-              FRAMES_PER_BUFFER, 
-              0,              /* number of buffers, if zero then use default minimum */
-              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;
-
-/* Play an increasing number of sine waves until we hit MAX_USAGE */
-    do
-    {
-        data.numSines++;
-        Pa_Sleep( 200 );
-
-        load = Pa_GetCPULoad( stream );
-        printf("numSines = %d, CPU load = %f\n", data.numSines, load );
-        fflush( stdout );
-    }
-    while( (load < MAX_USAGE) && (data.numSines < MAX_SINES) );
-
-    printf("Press ENTER to stop.\n" ); fflush(stdout);
-    getchar();
-
-	printf("CPU load = %f\n", Pa_GetCPULoad( stream ) );
-    err = Pa_StopStream( stream );
-    if( err != paNoError ) goto error;
-    err = Pa_CloseStream( stream );
-    if( err != paNoError ) goto error;
-    Pa_Terminate();
-    printf("Test finished.\n");
-    fflush( stdout );
-    return err;
-error:
-    Pa_Terminate();
-    fprintf( stderr, "An error occured while using the portaudio stream\n" );
-    fprintf( stderr, "Error number: %d\n", err );
-    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
-    return err;
-}
-- 
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