juce_AudioFormat.cpp

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/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
AudioFormat::AudioFormat (String name, StringArray extensions)
   : formatName (name), fileExtensions (extensions)
{
}
 
AudioFormat::AudioFormat (StringRef name, StringRef extensions)
   : formatName (name.text), fileExtensions (StringArray::fromTokens (extensions, false))
{
}
 
AudioFormat::~AudioFormat()
{
}
 
bool AudioFormat::canHandleFile (const File& f)
{
    for (auto& e : getFileExtensions())
        if (f.hasFileExtension (e))
            return true;
 
    return false;
}
 
const String& AudioFormat::getFormatName() const                { return formatName; }
StringArray AudioFormat::getFileExtensions() const              { return fileExtensions; }
bool AudioFormat::isCompressed()                                { return false; }
StringArray AudioFormat::getQualityOptions()                    { return {}; }
 
MemoryMappedAudioFormatReader* AudioFormat::createMemoryMappedReader (const File&)
{
    return nullptr;
}
 
MemoryMappedAudioFormatReader* AudioFormat::createMemoryMappedReader (FileInputStream* fin)
{
    delete fin;
    return nullptr;
}
 
bool AudioFormat::isChannelLayoutSupported (const AudioChannelSet& channelSet)
{
    if (channelSet == AudioChannelSet::mono())      return canDoMono();
    if (channelSet == AudioChannelSet::stereo())    return canDoStereo();
 
    return false;
}
 
AudioFormatWriter* AudioFormat::createWriterFor (OutputStream* streamToWriteTo,
                                                 double sampleRateToUse,
                                                 const AudioChannelSet& channelLayout,
                                                 int bitsPerSample,
                                                 const StringPairArray& metadataValues,
                                                 int qualityOptionIndex)
{
    if (isChannelLayoutSupported (channelLayout))
        return createWriterFor (streamToWriteTo, sampleRateToUse,
                                static_cast<unsigned int> (channelLayout.size()),
                                bitsPerSample, metadataValues, qualityOptionIndex);
 
    return nullptr;
}
 
} // namespace juce