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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
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 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-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
{
AudioFormatManager::AudioFormatManager() {}
AudioFormatManager::~AudioFormatManager() {}
//==============================================================================
void AudioFormatManager::registerFormat (AudioFormat* newFormat, bool makeThisTheDefaultFormat)
{
jassert (newFormat != nullptr);
if (newFormat != nullptr)
{
#if JUCE_DEBUG
for (auto* af : knownFormats)
{
if (af->getFormatName() == newFormat->getFormatName())
jassertfalse; // trying to add the same format twice!
}
#endif
if (makeThisTheDefaultFormat)
defaultFormatIndex = getNumKnownFormats();
knownFormats.add (newFormat);
}
}
void AudioFormatManager::registerBasicFormats()
{
registerFormat (new WavAudioFormat(), true);
registerFormat (new AiffAudioFormat(), false);
#if JUCE_USE_FLAC
registerFormat (new FlacAudioFormat(), false);
#endif
#if JUCE_USE_OGGVORBIS
registerFormat (new OggVorbisAudioFormat(), false);
#endif
#if JUCE_MAC || JUCE_IOS
registerFormat (new CoreAudioFormat(), false);
#endif
#if JUCE_USE_MP3AUDIOFORMAT
registerFormat (new MP3AudioFormat(), false);
#endif
#if JUCE_USE_WINDOWS_MEDIA_FORMAT
registerFormat (new WindowsMediaAudioFormat(), false);
#endif
}
void AudioFormatManager::clearFormats()
{
knownFormats.clear();
defaultFormatIndex = 0;
}
int AudioFormatManager::getNumKnownFormats() const { return knownFormats.size(); }
AudioFormat* AudioFormatManager::getKnownFormat (int index) const { return knownFormats[index]; }
AudioFormat* AudioFormatManager::getDefaultFormat() const { return getKnownFormat (defaultFormatIndex); }
AudioFormat* AudioFormatManager::findFormatForFileExtension (const String& fileExtension) const
{
if (! fileExtension.startsWithChar ('.'))
return findFormatForFileExtension ("." + fileExtension);
for (auto* af : knownFormats)
if (af->getFileExtensions().contains (fileExtension, true))
return af;
return nullptr;
}
String AudioFormatManager::getWildcardForAllFormats() const
{
StringArray extensions;
for (auto* af : knownFormats)
extensions.addArray (af->getFileExtensions());
extensions.trim();
extensions.removeEmptyStrings();
for (auto& e : extensions)
e = (e.startsWithChar ('.') ? "*" : "*.") + e;
extensions.removeDuplicates (true);
return extensions.joinIntoString (";");
}
//==============================================================================
AudioFormatReader* AudioFormatManager::createReaderFor (const File& file)
{
// you need to actually register some formats before the manager can
// use them to open a file!
jassert (getNumKnownFormats() > 0);
for (auto* af : knownFormats)
if (af->canHandleFile (file))
if (auto* in = file.createInputStream())
if (auto* r = af->createReaderFor (in, true))
return r;
return nullptr;
}
AudioFormatReader* AudioFormatManager::createReaderFor (InputStream* audioFileStream)
{
// you need to actually register some formats before the manager can
// use them to open a file!
jassert (getNumKnownFormats() > 0);
if (audioFileStream != nullptr)
{
std::unique_ptr<InputStream> in (audioFileStream);
auto originalStreamPos = in->getPosition();
for (auto* af : knownFormats)
{
if (auto* r = af->createReaderFor (in.get(), false))
{
in.release();
return r;
}
in->setPosition (originalStreamPos);
// the stream that is passed-in must be capable of being repositioned so
// that all the formats can have a go at opening it.
jassert (in->getPosition() == originalStreamPos);
}
}
return nullptr;
}
} // namespace juce
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