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_dither.c | 152 ------------------------------
 1 file changed, 152 deletions(-)
 delete mode 100644 pd/portaudio_v18/pa_tests/patest_dither.c

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

diff --git a/pd/portaudio_v18/pa_tests/patest_dither.c b/pd/portaudio_v18/pa_tests/patest_dither.c
deleted file mode 100644
index c58b9cea..00000000
--- a/pd/portaudio_v18/pa_tests/patest_dither.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * $Id: patest_dither.c,v 1.2 2002/03/21 00:58:45 philburk Exp $
- * patest_dither.c
- * 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
- *
- * 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.
- *
- * 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 NUM_SECONDS   (4)
-#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;
-PaError PlaySine( paTestData *data, PaStreamFlags flags, float amplitude );
-static int sineCallback( void *inputBuffer, void *outputBuffer,
-                         unsigned long framesPerBuffer,
-                         PaTimestamp outTime, void *userData );
-/* 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( void *inputBuffer, void *outputBuffer,
-                         unsigned long framesPerBuffer,
-                         PaTimestamp outTime, void *userData )
-{
-    paTestData *data = (paTestData*)userData;
-    float *out = (float*)outputBuffer;
-    float amplitude = data->amplitude;
-    unsigned int i;
-    (void) outTime;
-    (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;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
-    PaError err;
-    paTestData DATA;
-    int i;
-    float amplitude = 32.0 / (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 error;
-    printf("\nClip.\n");
-    fflush(stdout);
-    err = PlaySine( &DATA, paDitherOff, amplitude );
-    if( err < 0 ) goto error;
-    printf("\nClip and Dither.\n");
-    fflush(stdout);
-    err = PlaySine( &DATA, paNoFlag, amplitude );
-    if( err < 0 ) goto error;
-    return 0;
-error:
-    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 -1;
-}
-/*****************************************************************************/
-PaError PlaySine( paTestData *data, PaStreamFlags flags, float amplitude )
-{
-    PortAudioStream *stream;
-    PaError err;
-    data->left_phase = data->right_phase = 0;
-    data->amplitude = amplitude;
-    err = Pa_Initialize();
-    if( err != paNoError ) goto error;
-    err = Pa_OpenStream(
-              &stream,
-              paNoDevice,/* default input device */
-              0,              /* no input */
-              paFloat32,  /* 32 bit floating point input */
-              NULL,
-              Pa_GetDefaultOutputDeviceID(), /* default output device */
-              2,              /* stereo output */
-              paFloat32,      /* 32 bit floating point output */
-              NULL,
-              SAMPLE_RATE,
-              1024,
-              0,              /* number of buffers, if zero then use default minimum */
-              flags,      /* we won't output out of range samples so don't bother clipping them */
-              sineCallback,
-              (void *)data );
-    if( err != paNoError ) goto error;
-
-    err = Pa_StartStream( stream );
-    if( err != paNoError ) goto error;
-    Pa_Sleep( NUM_SECONDS * 1000 );
-    printf("CPULoad = %8.6f\n", Pa_GetCPULoad( stream ) );
-    err = Pa_CloseStream( stream );
-    if( err != paNoError ) goto error;
-    Pa_Terminate();
-    return paNoError;
-error:
-    return err;
-}
-- 
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