25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
605 lines
21 KiB
C++
605 lines
21 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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JUCE_BEGIN_IGNORE_WARNINGS_GCC_LIKE ("-Wdeprecated-declarations")
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JUCE_BEGIN_IGNORE_WARNINGS_MSVC (4996)
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void AudioDataConverters::convertFloatToInt16LE (const float* source, void* dest, int numSamples, int destBytesPerSample)
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{
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auto maxVal = (double) 0x7fff;
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auto intData = static_cast<char*> (dest);
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if (dest != (void*) source || destBytesPerSample <= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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*unalignedPointerCast<uint16*> (intData) = ByteOrder::swapIfBigEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
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intData += destBytesPerSample;
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}
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}
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else
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{
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intData += destBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= destBytesPerSample;
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*unalignedPointerCast<uint16*> (intData) = ByteOrder::swapIfBigEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
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}
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}
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}
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void AudioDataConverters::convertFloatToInt16BE (const float* source, void* dest, int numSamples, int destBytesPerSample)
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{
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auto maxVal = (double) 0x7fff;
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auto intData = static_cast<char*> (dest);
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if (dest != (void*) source || destBytesPerSample <= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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*unalignedPointerCast<uint16*> (intData) = ByteOrder::swapIfLittleEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
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intData += destBytesPerSample;
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}
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}
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else
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{
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intData += destBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= destBytesPerSample;
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*unalignedPointerCast<uint16*> (intData) = ByteOrder::swapIfLittleEndian ((uint16) (short) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
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}
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}
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}
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void AudioDataConverters::convertFloatToInt24LE (const float* source, void* dest, int numSamples, int destBytesPerSample)
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{
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auto maxVal = (double) 0x7fffff;
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auto intData = static_cast<char*> (dest);
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if (dest != (void*) source || destBytesPerSample <= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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ByteOrder::littleEndian24BitToChars (roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])), intData);
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intData += destBytesPerSample;
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}
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}
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else
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{
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intData += destBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= destBytesPerSample;
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ByteOrder::littleEndian24BitToChars (roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])), intData);
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}
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}
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}
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void AudioDataConverters::convertFloatToInt24BE (const float* source, void* dest, int numSamples, int destBytesPerSample)
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{
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auto maxVal = (double) 0x7fffff;
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auto intData = static_cast<char*> (dest);
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if (dest != (void*) source || destBytesPerSample <= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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ByteOrder::bigEndian24BitToChars (roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])), intData);
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intData += destBytesPerSample;
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}
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}
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else
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{
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intData += destBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= destBytesPerSample;
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ByteOrder::bigEndian24BitToChars (roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])), intData);
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}
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}
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}
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void AudioDataConverters::convertFloatToInt32LE (const float* source, void* dest, int numSamples, int destBytesPerSample)
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{
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auto maxVal = (double) 0x7fffffff;
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auto intData = static_cast<char*> (dest);
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if (dest != (void*) source || destBytesPerSample <= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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*unalignedPointerCast<uint32*> (intData) = ByteOrder::swapIfBigEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
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intData += destBytesPerSample;
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}
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}
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else
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{
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intData += destBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= destBytesPerSample;
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*unalignedPointerCast<uint32*> (intData) = ByteOrder::swapIfBigEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
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}
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}
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}
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void AudioDataConverters::convertFloatToInt32BE (const float* source, void* dest, int numSamples, int destBytesPerSample)
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{
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auto maxVal = (double) 0x7fffffff;
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auto intData = static_cast<char*> (dest);
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if (dest != (void*) source || destBytesPerSample <= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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*unalignedPointerCast<uint32*> (intData) = ByteOrder::swapIfLittleEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
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intData += destBytesPerSample;
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}
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}
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else
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{
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intData += destBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= destBytesPerSample;
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*unalignedPointerCast<uint32*> (intData) = ByteOrder::swapIfLittleEndian ((uint32) roundToInt (jlimit (-maxVal, maxVal, maxVal * source[i])));
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}
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}
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}
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void AudioDataConverters::convertFloatToFloat32LE (const float* source, void* dest, int numSamples, int destBytesPerSample)
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{
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jassert (dest != (void*) source || destBytesPerSample <= 4); // This op can't be performed on in-place data!
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char* d = static_cast<char*> (dest);
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for (int i = 0; i < numSamples; ++i)
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{
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*unalignedPointerCast<float*> (d) = source[i];
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#if JUCE_BIG_ENDIAN
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*unalignedPointerCast<uint32*> (d) = ByteOrder::swap (*unalignedPointerCast<uint32*> (d));
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#endif
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d += destBytesPerSample;
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}
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}
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void AudioDataConverters::convertFloatToFloat32BE (const float* source, void* dest, int numSamples, int destBytesPerSample)
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{
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jassert (dest != (void*) source || destBytesPerSample <= 4); // This op can't be performed on in-place data!
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auto d = static_cast<char*> (dest);
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for (int i = 0; i < numSamples; ++i)
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{
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*unalignedPointerCast<float*> (d) = source[i];
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#if JUCE_LITTLE_ENDIAN
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*unalignedPointerCast<uint32*> (d) = ByteOrder::swap (*unalignedPointerCast<uint32*> (d));
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#endif
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d += destBytesPerSample;
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}
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}
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//==============================================================================
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void AudioDataConverters::convertInt16LEToFloat (const void* source, float* dest, int numSamples, int srcBytesPerSample)
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{
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const float scale = 1.0f / 0x7fff;
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auto intData = static_cast<const char*> (source);
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if (source != (void*) dest || srcBytesPerSample >= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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dest[i] = scale * (short) ByteOrder::swapIfBigEndian (*unalignedPointerCast<const uint16*> (intData));
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intData += srcBytesPerSample;
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}
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}
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else
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{
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intData += srcBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= srcBytesPerSample;
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dest[i] = scale * (short) ByteOrder::swapIfBigEndian (*unalignedPointerCast<const uint16*> (intData));
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}
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}
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}
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void AudioDataConverters::convertInt16BEToFloat (const void* source, float* dest, int numSamples, int srcBytesPerSample)
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{
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const float scale = 1.0f / 0x7fff;
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auto intData = static_cast<const char*> (source);
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if (source != (void*) dest || srcBytesPerSample >= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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dest[i] = scale * (short) ByteOrder::swapIfLittleEndian (*unalignedPointerCast<const uint16*> (intData));
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intData += srcBytesPerSample;
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}
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}
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else
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{
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intData += srcBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= srcBytesPerSample;
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dest[i] = scale * (short) ByteOrder::swapIfLittleEndian (*unalignedPointerCast<const uint16*> (intData));
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}
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}
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}
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void AudioDataConverters::convertInt24LEToFloat (const void* source, float* dest, int numSamples, int srcBytesPerSample)
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{
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const float scale = 1.0f / 0x7fffff;
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auto intData = static_cast<const char*> (source);
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if (source != (void*) dest || srcBytesPerSample >= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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dest[i] = scale * (short) ByteOrder::littleEndian24Bit (intData);
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intData += srcBytesPerSample;
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}
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}
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else
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{
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intData += srcBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= srcBytesPerSample;
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dest[i] = scale * (short) ByteOrder::littleEndian24Bit (intData);
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}
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}
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}
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void AudioDataConverters::convertInt24BEToFloat (const void* source, float* dest, int numSamples, int srcBytesPerSample)
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{
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const float scale = 1.0f / 0x7fffff;
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auto intData = static_cast<const char*> (source);
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if (source != (void*) dest || srcBytesPerSample >= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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dest[i] = scale * (short) ByteOrder::bigEndian24Bit (intData);
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intData += srcBytesPerSample;
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}
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}
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else
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{
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intData += srcBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= srcBytesPerSample;
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dest[i] = scale * (short) ByteOrder::bigEndian24Bit (intData);
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}
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}
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}
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void AudioDataConverters::convertInt32LEToFloat (const void* source, float* dest, int numSamples, int srcBytesPerSample)
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{
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const float scale = 1.0f / (float) 0x7fffffff;
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auto intData = static_cast<const char*> (source);
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if (source != (void*) dest || srcBytesPerSample >= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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dest[i] = scale * (float) ByteOrder::swapIfBigEndian (*unalignedPointerCast<const uint32*> (intData));
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intData += srcBytesPerSample;
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}
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}
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else
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{
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intData += srcBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= srcBytesPerSample;
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dest[i] = scale * (float) ByteOrder::swapIfBigEndian (*unalignedPointerCast<const uint32*> (intData));
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}
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}
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}
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void AudioDataConverters::convertInt32BEToFloat (const void* source, float* dest, int numSamples, int srcBytesPerSample)
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{
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const float scale = 1.0f / (float) 0x7fffffff;
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auto intData = static_cast<const char*> (source);
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if (source != (void*) dest || srcBytesPerSample >= 4)
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{
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for (int i = 0; i < numSamples; ++i)
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{
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dest[i] = scale * (float) ByteOrder::swapIfLittleEndian (*unalignedPointerCast<const uint32*> (intData));
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intData += srcBytesPerSample;
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}
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}
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else
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{
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intData += srcBytesPerSample * numSamples;
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for (int i = numSamples; --i >= 0;)
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{
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intData -= srcBytesPerSample;
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dest[i] = scale * (float) ByteOrder::swapIfLittleEndian (*unalignedPointerCast<const uint32*> (intData));
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}
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}
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}
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void AudioDataConverters::convertFloat32LEToFloat (const void* source, float* dest, int numSamples, int srcBytesPerSample)
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{
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auto s = static_cast<const char*> (source);
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for (int i = 0; i < numSamples; ++i)
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{
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dest[i] = *unalignedPointerCast<const float*> (s);
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#if JUCE_BIG_ENDIAN
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auto d = unalignedPointerCast<uint32*> (dest + i);
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*d = ByteOrder::swap (*d);
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#endif
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s += srcBytesPerSample;
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}
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}
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void AudioDataConverters::convertFloat32BEToFloat (const void* source, float* dest, int numSamples, int srcBytesPerSample)
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{
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auto s = static_cast<const char*> (source);
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for (int i = 0; i < numSamples; ++i)
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{
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dest[i] = *unalignedPointerCast<const float*> (s);
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#if JUCE_LITTLE_ENDIAN
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auto d = unalignedPointerCast<uint32*> (dest + i);
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*d = ByteOrder::swap (*d);
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#endif
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s += srcBytesPerSample;
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}
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}
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//==============================================================================
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void AudioDataConverters::convertFloatToFormat (DataFormat destFormat, const float* source, void* dest, int numSamples)
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{
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switch (destFormat)
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{
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case int16LE: convertFloatToInt16LE (source, dest, numSamples); break;
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case int16BE: convertFloatToInt16BE (source, dest, numSamples); break;
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case int24LE: convertFloatToInt24LE (source, dest, numSamples); break;
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case int24BE: convertFloatToInt24BE (source, dest, numSamples); break;
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case int32LE: convertFloatToInt32LE (source, dest, numSamples); break;
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case int32BE: convertFloatToInt32BE (source, dest, numSamples); break;
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case float32LE: convertFloatToFloat32LE (source, dest, numSamples); break;
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case float32BE: convertFloatToFloat32BE (source, dest, numSamples); break;
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default: jassertfalse; break;
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}
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}
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void AudioDataConverters::convertFormatToFloat (DataFormat sourceFormat, const void* source, float* dest, int numSamples)
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{
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switch (sourceFormat)
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{
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case int16LE: convertInt16LEToFloat (source, dest, numSamples); break;
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case int16BE: convertInt16BEToFloat (source, dest, numSamples); break;
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case int24LE: convertInt24LEToFloat (source, dest, numSamples); break;
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case int24BE: convertInt24BEToFloat (source, dest, numSamples); break;
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case int32LE: convertInt32LEToFloat (source, dest, numSamples); break;
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case int32BE: convertInt32BEToFloat (source, dest, numSamples); break;
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case float32LE: convertFloat32LEToFloat (source, dest, numSamples); break;
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case float32BE: convertFloat32BEToFloat (source, dest, numSamples); break;
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default: jassertfalse; break;
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}
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}
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//==============================================================================
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void AudioDataConverters::interleaveSamples (const float** source, float* dest, int numSamples, int numChannels)
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{
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for (int chan = 0; chan < numChannels; ++chan)
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{
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auto i = chan;
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auto src = source [chan];
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for (int j = 0; j < numSamples; ++j)
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{
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dest [i] = src [j];
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i += numChannels;
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}
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}
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}
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void AudioDataConverters::deinterleaveSamples (const float* source, float** dest, int numSamples, int numChannels)
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{
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for (int chan = 0; chan < numChannels; ++chan)
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{
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auto i = chan;
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auto dst = dest [chan];
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for (int j = 0; j < numSamples; ++j)
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{
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dst [j] = source [i];
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i += numChannels;
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}
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}
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}
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//==============================================================================
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//==============================================================================
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#if JUCE_UNIT_TESTS
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class AudioConversionTests : public UnitTest
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{
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public:
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AudioConversionTests()
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: UnitTest ("Audio data conversion", UnitTestCategories::audio)
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{}
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template <class F1, class E1, class F2, class E2>
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struct Test5
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{
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static void test (UnitTest& unitTest, Random& r)
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{
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test (unitTest, false, r);
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test (unitTest, true, r);
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}
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JUCE_BEGIN_IGNORE_WARNINGS_MSVC (6262)
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static void test (UnitTest& unitTest, bool inPlace, Random& r)
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{
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const int numSamples = 2048;
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int32 original [(size_t) numSamples],
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converted[(size_t) numSamples],
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reversed [(size_t) numSamples];
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{
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AudioData::Pointer<F1, E1, AudioData::NonInterleaved, AudioData::NonConst> d (original);
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bool clippingFailed = false;
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for (int i = 0; i < numSamples / 2; ++i)
|
|
{
|
|
d.setAsFloat (r.nextFloat() * 2.2f - 1.1f);
|
|
|
|
if (! d.isFloatingPoint())
|
|
clippingFailed = d.getAsFloat() > 1.0f || d.getAsFloat() < -1.0f || clippingFailed;
|
|
|
|
++d;
|
|
d.setAsInt32 (r.nextInt());
|
|
++d;
|
|
}
|
|
|
|
unitTest.expect (! clippingFailed);
|
|
}
|
|
|
|
// convert data from the source to dest format..
|
|
std::unique_ptr<AudioData::Converter> conv (new AudioData::ConverterInstance<AudioData::Pointer<F1, E1, AudioData::NonInterleaved, AudioData::Const>,
|
|
AudioData::Pointer<F2, E2, AudioData::NonInterleaved, AudioData::NonConst>>());
|
|
conv->convertSamples (inPlace ? reversed : converted, original, numSamples);
|
|
|
|
// ..and back again..
|
|
conv.reset (new AudioData::ConverterInstance<AudioData::Pointer<F2, E2, AudioData::NonInterleaved, AudioData::Const>,
|
|
AudioData::Pointer<F1, E1, AudioData::NonInterleaved, AudioData::NonConst>>());
|
|
if (! inPlace)
|
|
zeromem (reversed, sizeof (reversed));
|
|
|
|
conv->convertSamples (reversed, inPlace ? reversed : converted, numSamples);
|
|
|
|
{
|
|
int biggestDiff = 0;
|
|
AudioData::Pointer<F1, E1, AudioData::NonInterleaved, AudioData::Const> d1 (original);
|
|
AudioData::Pointer<F1, E1, AudioData::NonInterleaved, AudioData::Const> d2 (reversed);
|
|
|
|
const int errorMargin = 2 * AudioData::Pointer<F1, E1, AudioData::NonInterleaved, AudioData::Const>::get32BitResolution()
|
|
+ AudioData::Pointer<F2, E2, AudioData::NonInterleaved, AudioData::Const>::get32BitResolution();
|
|
|
|
for (int i = 0; i < numSamples; ++i)
|
|
{
|
|
biggestDiff = jmax (biggestDiff, std::abs (d1.getAsInt32() - d2.getAsInt32()));
|
|
++d1;
|
|
++d2;
|
|
}
|
|
|
|
unitTest.expect (biggestDiff <= errorMargin);
|
|
}
|
|
}
|
|
JUCE_END_IGNORE_WARNINGS_MSVC
|
|
};
|
|
|
|
template <class F1, class E1, class FormatType>
|
|
struct Test3
|
|
{
|
|
static void test (UnitTest& unitTest, Random& r)
|
|
{
|
|
Test5 <F1, E1, FormatType, AudioData::BigEndian>::test (unitTest, r);
|
|
Test5 <F1, E1, FormatType, AudioData::LittleEndian>::test (unitTest, r);
|
|
}
|
|
};
|
|
|
|
template <class FormatType, class Endianness>
|
|
struct Test2
|
|
{
|
|
static void test (UnitTest& unitTest, Random& r)
|
|
{
|
|
Test3 <FormatType, Endianness, AudioData::Int8>::test (unitTest, r);
|
|
Test3 <FormatType, Endianness, AudioData::UInt8>::test (unitTest, r);
|
|
Test3 <FormatType, Endianness, AudioData::Int16>::test (unitTest, r);
|
|
Test3 <FormatType, Endianness, AudioData::Int24>::test (unitTest, r);
|
|
Test3 <FormatType, Endianness, AudioData::Int32>::test (unitTest, r);
|
|
Test3 <FormatType, Endianness, AudioData::Float32>::test (unitTest, r);
|
|
}
|
|
};
|
|
|
|
template <class FormatType>
|
|
struct Test1
|
|
{
|
|
static void test (UnitTest& unitTest, Random& r)
|
|
{
|
|
Test2 <FormatType, AudioData::BigEndian>::test (unitTest, r);
|
|
Test2 <FormatType, AudioData::LittleEndian>::test (unitTest, r);
|
|
}
|
|
};
|
|
|
|
void runTest() override
|
|
{
|
|
auto r = getRandom();
|
|
beginTest ("Round-trip conversion: Int8");
|
|
Test1 <AudioData::Int8>::test (*this, r);
|
|
beginTest ("Round-trip conversion: Int16");
|
|
Test1 <AudioData::Int16>::test (*this, r);
|
|
beginTest ("Round-trip conversion: Int24");
|
|
Test1 <AudioData::Int24>::test (*this, r);
|
|
beginTest ("Round-trip conversion: Int32");
|
|
Test1 <AudioData::Int32>::test (*this, r);
|
|
beginTest ("Round-trip conversion: Float32");
|
|
Test1 <AudioData::Float32>::test (*this, r);
|
|
}
|
|
};
|
|
|
|
static AudioConversionTests audioConversionUnitTests;
|
|
|
|
#endif
|
|
|
|
JUCE_END_IGNORE_WARNINGS_MSVC
|
|
JUCE_END_IGNORE_WARNINGS_GCC_LIKE
|
|
|
|
} // namespace juce
|