add plibsys

1 files changed, 0 insertions, 395 deletions

diff --git a/portaudio/test/patest_converters.c b/portaudio/test/patest_converters.c
deleted file mode 100644
index f76738c..0000000
--- a/portaudio/test/patest_converters.c
+++ /dev/null
@@ -1,395 +0,0 @@
-/** @file patest_converters.c
-    @ingroup test_src
-    @brief Tests the converter functions in pa_converters.c
-    @author Ross Bencina <rossb@audiomulch.com>
-
-    Link with pa_dither.c and pa_converters.c
-
-    see http://www.portaudio.com/trac/wiki/V19ConvertersStatus for a discussion of this.
-*/
-/*
- * $Id: $
- *
- * This program uses the PortAudio Portable Audio Library.
- * For more information see: http://www.portaudio.com/
- * Copyright (c) 1999-2008 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 <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "portaudio.h"
-#include "pa_converters.h"
-#include "pa_dither.h"
-#include "pa_types.h"
-#include "pa_endianness.h"
-
-#ifndef M_PI
-#define M_PI  (3.14159265)
-#endif
-
-#define MAX_PER_CHANNEL_FRAME_COUNT     (2048)
-#define MAX_CHANNEL_COUNT               (8)
-
-
-#define SAMPLE_FORMAT_COUNT (6)
-
-static PaSampleFormat sampleFormats_[ SAMPLE_FORMAT_COUNT ] =
-    { paFloat32, paInt32, paInt24, paInt16, paInt8, paUInt8 }; /* all standard PA sample formats */
-
-static const char* sampleFormatNames_[SAMPLE_FORMAT_COUNT] =
-    { "paFloat32", "paInt32", "paInt24", "paInt16", "paInt8", "paUInt8" };
-
-
-static const char* abbreviatedSampleFormatNames_[SAMPLE_FORMAT_COUNT] =
-    { "f32", "i32", "i24", "i16", " i8", "ui8" };
-
-
-PaError My_Pa_GetSampleSize( PaSampleFormat format );
-
-/*
-    available flags are paClipOff and paDitherOff
-    clipping is usually applied for float -> int conversions
-    dither is usually applied for all downconversions (ie anything but 8bit->8bit conversions
-*/
-
-static int CanClip( PaSampleFormat sourceFormat, PaSampleFormat destinationFormat )
-{
-    if( sourceFormat == paFloat32 && destinationFormat != sourceFormat )
-        return 1;
-    else
-        return 0;
-}
-
-static int CanDither( PaSampleFormat sourceFormat, PaSampleFormat destinationFormat )
-{
-    if( sourceFormat < destinationFormat && sourceFormat != paInt8 )
-        return 1;
-    else
-        return 0;
-}
-
-static void GenerateOneCycleSineReference( double *out, int frameCount, int strideFrames )
-{
-    int i;
-    for( i=0; i < frameCount; ++i ){
-        *out = sin( ((double)i/(double)frameCount) * 2. * M_PI );
-        out += strideFrames;
-    }
-}
-
-
-static void GenerateOneCycleSine( PaSampleFormat format, void *buffer, int frameCount, int strideFrames )
-{
-    switch( format ){
-
-        case paFloat32:
-            {
-                int i;
-                float *out = (float*)buffer;
-                for( i=0; i < frameCount; ++i ){
-                    *out = (float).9 * sin( ((double)i/(double)frameCount) * 2. * M_PI );
-                    out += strideFrames;
-                }
-            }
-            break;
-        case paInt32:
-            {
-                int i;
-                PaInt32 *out = (PaInt32*)buffer;
-                for( i=0; i < frameCount; ++i ){
-                    *out = (PaInt32)(.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ) * 0x7FFFFFFF);
-                    out += strideFrames;
-                }
-            }
-            break;
-        case paInt24:
-            {
-                int i;
-                unsigned char *out = (unsigned char*)buffer;
-                for( i=0; i < frameCount; ++i ){
-                    signed long temp = (PaInt32)(.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ) * 0x7FFFFFFF);
-
-                    #if defined(PA_LITTLE_ENDIAN)
-                            out[0] = (unsigned char)(temp >> 8) & 0xFF;
-                            out[1] = (unsigned char)(temp >> 16) & 0xFF;
-                            out[2] = (unsigned char)(temp >> 24) & 0xFF;
-                    #elif defined(PA_BIG_ENDIAN)
-                            out[0] = (unsigned char)(temp >> 24) & 0xFF;
-                            out[1] = (unsigned char)(temp >> 16) & 0xFF;
-                            out[2] = (unsigned char)(temp >> 8) & 0xFF;
-                    #endif
-                    out += 3;
-                }
-            }
-            break;
-        case paInt16:
-            {
-                int i;
-                PaInt16 *out = (PaInt16*)buffer;
-                for( i=0; i < frameCount; ++i ){
-                    *out = (PaInt16)(.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ) * 0x7FFF );
-                    out += strideFrames;
-                }
-            }
-            break;
-        case paInt8:
-            {
-                int i;
-                signed char *out = (signed char*)buffer;
-                for( i=0; i < frameCount; ++i ){
-                    *out = (signed char)(.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ) * 0x7F );
-                    out += strideFrames;
-                }
-            }
-            break;
-        case paUInt8:
-            {
-                int i;
-                unsigned char *out = (unsigned char*)buffer;
-                for( i=0; i < frameCount; ++i ){
-                    *out = (unsigned char)( .5 * (1. + (.9 * sin( ((double)i/(double)frameCount) * 2. * M_PI ))) * 0xFF  );
-                    out += strideFrames;
-                }
-            }
-            break;
-    }
-}
-
-int TestNonZeroPresent( void *buffer, int size )
-{
-    char *p = (char*)buffer;
-    int i;
-
-    for( i=0; i < size; ++i ){
-
-        if( *p != 0 )
-            return 1;
-        ++p;
-    }
-
-    return 0;
-}
-
-float MaximumAbsDifference( float* sourceBuffer, float* referenceBuffer, int count )
-{
-    float result = 0;
-    float difference;
-    while( count-- ){
-        difference = fabs( *sourceBuffer++ - *referenceBuffer++ );
-        if( difference > result )
-            result = difference;
-    }
-
-    return result;
-}
-
-int main( const char **argv, int argc )
-{
-    PaUtilTriangularDitherGenerator ditherState;
-    PaUtilConverter *converter;
-    void *destinationBuffer, *sourceBuffer;
-    double *referenceBuffer;
-    int sourceFormatIndex, destinationFormatIndex;
-    PaSampleFormat sourceFormat, destinationFormat;
-    PaStreamFlags flags;
-    int passFailMatrix[SAMPLE_FORMAT_COUNT][SAMPLE_FORMAT_COUNT]; // [source][destination]
-    float noiseAmplitudeMatrix[SAMPLE_FORMAT_COUNT][SAMPLE_FORMAT_COUNT]; // [source][destination]
-    float amp;
-
-#define FLAG_COMBINATION_COUNT (4)
-    PaStreamFlags flagCombinations[FLAG_COMBINATION_COUNT] = { paNoFlag, paClipOff, paDitherOff, paClipOff | paDitherOff };
-    const char *flagCombinationNames[FLAG_COMBINATION_COUNT] = { "paNoFlag", "paClipOff", "paDitherOff", "paClipOff | paDitherOff" };
-    int flagCombinationIndex;
-
-    PaUtil_InitializeTriangularDitherState( &ditherState );
-
-    /* allocate more than enough space, we use sizeof(float) but we need to fit any 32 bit datum */
-
-    destinationBuffer = (void*)malloc( MAX_PER_CHANNEL_FRAME_COUNT * MAX_CHANNEL_COUNT * sizeof(float) );
-    sourceBuffer = (void*)malloc( MAX_PER_CHANNEL_FRAME_COUNT * MAX_CHANNEL_COUNT * sizeof(float) );
-    referenceBuffer = (void*)malloc( MAX_PER_CHANNEL_FRAME_COUNT * MAX_CHANNEL_COUNT * sizeof(float) );
-
-
-    /* the first round of tests simply iterates through the buffer combinations testing
-        that putting something in gives something out */
-
-    printf( "= Sine wave in, something out =\n" );
-
-    printf( "\n" );
-
-    GenerateOneCycleSine( paFloat32, referenceBuffer, MAX_PER_CHANNEL_FRAME_COUNT, 1 );
-
-    for( flagCombinationIndex = 0; flagCombinationIndex < FLAG_COMBINATION_COUNT; ++flagCombinationIndex ){
-        flags = flagCombinations[flagCombinationIndex];
-
-        printf( "\n" );
-        printf( "== flags = %s ==\n", flagCombinationNames[flagCombinationIndex] );
-
-        for( sourceFormatIndex = 0; sourceFormatIndex < SAMPLE_FORMAT_COUNT; ++sourceFormatIndex ){
-            for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){
-                sourceFormat = sampleFormats_[sourceFormatIndex];
-                destinationFormat = sampleFormats_[destinationFormatIndex];
-                //printf( "%s -> %s ", sampleFormatNames_[ sourceFormatIndex ], sampleFormatNames_[ destinationFormatIndex ] );
-
-                converter = PaUtil_SelectConverter( sourceFormat, destinationFormat, flags );
-
-                /* source is a sinewave */
-                GenerateOneCycleSine( sourceFormat, sourceBuffer, MAX_PER_CHANNEL_FRAME_COUNT, 1 );
-
-                /* zero destination */
-                memset( destinationBuffer, 0, MAX_PER_CHANNEL_FRAME_COUNT * My_Pa_GetSampleSize( destinationFormat ) );
-
-                (*converter)( destinationBuffer, 1, sourceBuffer, 1, MAX_PER_CHANNEL_FRAME_COUNT, &ditherState );
-
-    /*
-    Other ways we could test this would be:
-        - pass a constant, check for a constant (wouldn't work with dither)
-        - pass alternating +/-, check for the same...
-    */
-                if( TestNonZeroPresent( destinationBuffer, MAX_PER_CHANNEL_FRAME_COUNT * My_Pa_GetSampleSize( destinationFormat ) ) ){
-                    //printf( "PASSED\n" );
-                    passFailMatrix[sourceFormatIndex][destinationFormatIndex] = 1;
-                }else{
-                    //printf( "FAILED\n" );
-                    passFailMatrix[sourceFormatIndex][destinationFormatIndex] = 0;
-                }
-
-
-                /* try to measure the noise floor (comparing output signal to a float32 sine wave) */
-
-                if( passFailMatrix[sourceFormatIndex][destinationFormatIndex] ){
-
-                    /* convert destination back to paFloat32 into source */
-                    converter = PaUtil_SelectConverter( destinationFormat, paFloat32, paNoFlag );
-
-                    memset( sourceBuffer, 0, MAX_PER_CHANNEL_FRAME_COUNT * My_Pa_GetSampleSize( paFloat32 ) );
-                    (*converter)( sourceBuffer, 1, destinationBuffer, 1, MAX_PER_CHANNEL_FRAME_COUNT, &ditherState );
-
-                    if( TestNonZeroPresent( sourceBuffer, MAX_PER_CHANNEL_FRAME_COUNT * My_Pa_GetSampleSize( paFloat32 ) ) ){
-
-                        noiseAmplitudeMatrix[sourceFormatIndex][destinationFormatIndex] = MaximumAbsDifference( (float*)sourceBuffer, (float*)referenceBuffer, MAX_PER_CHANNEL_FRAME_COUNT );
-
-                    }else{
-                        /* can't test noise floor because there is no conversion from dest format to float available */
-                        noiseAmplitudeMatrix[sourceFormatIndex][destinationFormatIndex] = -1; // mark as failed
-                    }
-                }else{
-                    noiseAmplitudeMatrix[sourceFormatIndex][destinationFormatIndex] = -1; // mark as failed
-                }
-            }
-        }
-
-        printf( "\n" );
-        printf( "=== Output contains non-zero data ===\n" );
-        printf( "Key: . - pass, X - fail\n" );
-        printf( "{{{\n" ); // trac preformated text tag
-        printf( "in|  out:    " );
-        for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){
-            printf( "  %s   ", abbreviatedSampleFormatNames_[destinationFormatIndex] );
-        }
-        printf( "\n" );
-
-        for( sourceFormatIndex = 0; sourceFormatIndex < SAMPLE_FORMAT_COUNT; ++sourceFormatIndex ){
-            printf( "%s         ", abbreviatedSampleFormatNames_[sourceFormatIndex] );
-            for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){
-                printf( "   %s   ", (passFailMatrix[sourceFormatIndex][destinationFormatIndex])? " ." : " X" );
-            }
-            printf( "\n" );
-        }
-        printf( "}}}\n" ); // trac preformated text tag
-
-        printf( "\n" );
-        printf( "=== Combined dynamic range (src->dest->float32) ===\n" );
-        printf( "Key: Noise amplitude in dBfs, X - fail (either above failed or dest->float32 failed)\n" );
-        printf( "{{{\n" ); // trac preformated text tag
-        printf( "in|  out:    " );
-        for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){
-            printf( "  %s   ", abbreviatedSampleFormatNames_[destinationFormatIndex] );
-        }
-        printf( "\n" );
-
-        for( sourceFormatIndex = 0; sourceFormatIndex < SAMPLE_FORMAT_COUNT; ++sourceFormatIndex ){
-            printf( " %s       ", abbreviatedSampleFormatNames_[sourceFormatIndex] );
-            for( destinationFormatIndex = 0; destinationFormatIndex < SAMPLE_FORMAT_COUNT; ++destinationFormatIndex ){
-                amp = noiseAmplitudeMatrix[sourceFormatIndex][destinationFormatIndex];
-                if( amp < 0. )
-                    printf( "    X   " );
-                else
-                    printf( " % 6.1f ", 20.*log10(amp) );
-            }
-            printf( "\n" );
-        }
-        printf( "}}}\n" ); // trac preformated text tag
-    }
-
-
-    free( destinationBuffer );
-    free( sourceBuffer );
-    free( referenceBuffer );
-}
-
-// copied here for now otherwise we need to include the world just for this function.
-PaError My_Pa_GetSampleSize( PaSampleFormat format )
-{
-    int result;
-
-    switch( format & ~paNonInterleaved )
-    {
-
-    case paUInt8:
-    case paInt8:
-        result = 1;
-        break;
-
-    case paInt16:
-        result = 2;
-        break;
-
-    case paInt24:
-        result = 3;
-        break;
-
-    case paFloat32:
-    case paInt32:
-        result = 4;
-        break;
-
-    default:
-        result = paSampleFormatNotSupported;
-        break;
-    }
-
-    return (PaError) result;
-}