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LibAudio: Extract loader stream creation from the plugins
This removes a lot of duplicated stream creation code from the plugins, and also simplifies the way that the appropriate plugin is found. This mirrors the ImageDecoderPlugin design and necessitates new sniffing methods on the loaders.
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15 changed files with 124 additions and 131 deletions
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@ -24,22 +24,16 @@ QOALoaderPlugin::QOALoaderPlugin(NonnullOwnPtr<AK::SeekableStream> stream)
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{
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}
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Result<NonnullOwnPtr<QOALoaderPlugin>, LoaderError> QOALoaderPlugin::create(StringView path)
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bool QOALoaderPlugin::sniff(SeekableStream& stream)
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{
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auto stream = LOADER_TRY(Core::InputBufferedFile::create(LOADER_TRY(Core::File::open(path, Core::File::OpenMode::Read))));
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auto loader = make<QOALoaderPlugin>(move(stream));
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LOADER_TRY(loader->initialize());
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return loader;
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auto maybe_qoa = stream.read_value<BigEndian<u32>>();
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return !maybe_qoa.is_error() && maybe_qoa.value() == QOA::magic;
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}
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Result<NonnullOwnPtr<QOALoaderPlugin>, LoaderError> QOALoaderPlugin::create(Bytes buffer)
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ErrorOr<NonnullOwnPtr<LoaderPlugin>, LoaderError> QOALoaderPlugin::create(NonnullOwnPtr<SeekableStream> stream)
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{
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auto loader = make<QOALoaderPlugin>(make<FixedMemoryStream>(buffer));
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auto loader = make<QOALoaderPlugin>(move(stream));
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LOADER_TRY(loader->initialize());
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return loader;
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}
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