gecko-dev/dom/media/flac/FlacDecoder.cpp

53 строки
1.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "FlacDecoder.h"
#include "FlacDemuxer.h"
#include "MediaDecoderStateMachine.h"
#include "MediaFormatReader.h"
#include "MediaPrefs.h"
namespace mozilla {
MediaDecoder*
FlacDecoder::Clone(MediaDecoderOwner* aOwner)
{
if (!IsEnabled())
return nullptr;
return new FlacDecoder(aOwner);
}
MediaDecoderStateMachine*
FlacDecoder::CreateStateMachine()
{
RefPtr<MediaDecoderReader> reader =
new MediaFormatReader(this, new FlacDemuxer(GetResource()));
return new MediaDecoderStateMachine(this, reader);
}
/* static */ bool
FlacDecoder::IsEnabled()
{
#ifdef MOZ_FFVPX
return MediaPrefs::FlacEnabled();
#else
// Until bug 1295886 is fixed.
return false;
#endif
}
/* static */ bool
FlacDecoder::CanHandleMediaType(const nsACString& aType,
const nsAString& aCodecs)
{
return IsEnabled() &&
(aType.EqualsASCII("audio/flac") || aType.EqualsASCII("audio/x-flac") ||
aType.EqualsASCII("application/x-flac"));
}
} // namespace mozilla