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53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
/* -*- 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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#if !defined(MP4Decoder_h_)
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#define MP4Decoder_h_
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#include "MediaDecoder.h"
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namespace mozilla {
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// Decoder that uses a bundled MP4 demuxer and platform decoders to play MP4.
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class MP4Decoder : public MediaDecoder
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{
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public:
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MP4Decoder();
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virtual MediaDecoder* Clone() override {
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if (!IsEnabled()) {
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return nullptr;
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}
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return new MP4Decoder();
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}
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virtual MediaDecoderStateMachine* CreateStateMachine() override;
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#ifdef MOZ_EME
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virtual nsresult SetCDMProxy(CDMProxy* aProxy) override;
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#endif
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// Returns true if aMIMEType is a type that we think we can render with the
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// a MP4 platform decoder backend. If aCodecs is non emtpy, it is filled
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// with a comma-delimited list of codecs to check support for. Notes in
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// out params wether the codecs string contains AAC or H.264.
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static bool CanHandleMediaType(const nsACString& aMIMEType,
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const nsAString& aCodecs,
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bool& aOutContainsAAC,
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bool& aOutContainsH264,
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bool& aOutContainsMP3);
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// Returns true if the MP4 backend is preffed on.
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static bool IsEnabled();
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static bool IsVideoAccelerated(layers::LayersBackend aBackend, nsACString& aReason);
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static bool CanCreateAACDecoder();
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static bool CanCreateH264Decoder();
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};
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} // namespace mozilla
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#endif
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