зеркало из https://github.com/mozilla/gecko-dev.git
54 строки
1.5 KiB
C++
54 строки
1.5 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MP3Decoder.h"
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#include "MediaContainerType.h"
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#include "MediaDecoderStateMachine.h"
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#include "MediaFormatReader.h"
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#include "MP3Demuxer.h"
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#include "PDMFactory.h"
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namespace mozilla {
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MediaDecoder*
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MP3Decoder::Clone(MediaDecoderOwner* aOwner) {
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if (!IsEnabled()) {
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return nullptr;
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}
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return new MP3Decoder(aOwner);
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}
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MediaDecoderStateMachine*
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MP3Decoder::CreateStateMachine() {
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RefPtr<MediaDecoderReader> reader =
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new MediaFormatReader(this, new mp3::MP3Demuxer(GetResource()));
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return new MediaDecoderStateMachine(this, reader);
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}
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/* static */
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bool
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MP3Decoder::IsEnabled() {
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RefPtr<PDMFactory> platform = new PDMFactory();
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return platform->SupportsMimeType(NS_LITERAL_CSTRING("audio/mpeg"),
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/* DecoderDoctorDiagnostics* */ nullptr);
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}
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/* static */
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bool MP3Decoder::IsSupportedType(const MediaContainerType& aContainerType)
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{
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if (aContainerType.Type() == MEDIAMIMETYPE("audio/mp3")
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|| aContainerType.Type() == MEDIAMIMETYPE("audio/mpeg")) {
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return
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IsEnabled()
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&& (aContainerType.ExtendedType().Codecs().IsEmpty()
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|| aContainerType.ExtendedType().Codecs() == "mp3");
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}
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return false;
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}
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} // namespace mozilla
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