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/*
* Copyright (c) 2018-2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibAudio/FlacLoader.h>
#include <LibAudio/Loader.h>
#include <LibAudio/MP3Loader.h>
#include <LibAudio/WavLoader.h>
namespace Audio {
LoaderPlugin::LoaderPlugin(StringView path)
: m_path(path)
{
}
LoaderPlugin::LoaderPlugin(Bytes buffer)
: m_backing_memory(buffer)
{
}
MaybeLoaderError LoaderPlugin::initialize()
{
if (m_backing_memory.has_value())
m_stream = LOADER_TRY(Core::Stream::MemoryStream::construct(m_backing_memory.value()));
else
m_stream = LOADER_TRY(Core::Stream::BufferedFile::create(LOADER_TRY(Core::Stream::File::open(m_path, Core::Stream::OpenMode::Read))));
return {};
}
Loader::Loader(NonnullOwnPtr<LoaderPlugin> plugin)
: m_plugin(move(plugin))
{
}
Result<NonnullOwnPtr<LoaderPlugin>, LoaderError> Loader::try_create(StringView path)
{
NonnullOwnPtr<LoaderPlugin> plugin = adopt_own(*new WavLoaderPlugin(path));
auto initstate0 = plugin->initialize();
if (!initstate0.is_error())
return plugin;
plugin = adopt_own(*new FlacLoaderPlugin(path));
auto initstate1 = plugin->initialize();
if (!initstate1.is_error())
return plugin;
plugin = adopt_own(*new MP3LoaderPlugin(path));
auto initstate2 = plugin->initialize();
if (!initstate2.is_error())
return plugin;
return LoaderError { "No loader plugin available" };
}
Result<NonnullOwnPtr<LoaderPlugin>, LoaderError> Loader::try_create(Bytes buffer)
{
NonnullOwnPtr<LoaderPlugin> plugin = adopt_own(*new WavLoaderPlugin(buffer));
if (auto initstate = plugin->initialize(); !initstate.is_error())
return plugin;
plugin = adopt_own(*new FlacLoaderPlugin(buffer));
if (auto initstate = plugin->initialize(); !initstate.is_error())
return plugin;
plugin = adopt_own(*new MP3LoaderPlugin(buffer));
if (auto initstate = plugin->initialize(); !initstate.is_error())
return plugin;
return LoaderError { "No loader plugin available" };
}
}
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