зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
1.4 KiB
C++
45 строки
1.4 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(WebMDecoder_h_)
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#define WebMDecoder_h_
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#include "MediaDecoder.h"
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#include "MediaFormatReader.h"
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namespace mozilla {
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class WebMDecoder : public MediaDecoder
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{
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public:
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explicit WebMDecoder(MediaDecoderOwner* aOwner) : MediaDecoder(aOwner) {}
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MediaDecoder* Clone(MediaDecoderOwner* aOwner) override {
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if (!IsWebMEnabled()) {
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return nullptr;
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}
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return new WebMDecoder(aOwner);
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}
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MediaDecoderStateMachine* CreateStateMachine() override;
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// Returns true if the WebM backend is preffed on.
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static bool IsEnabled();
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// Returns true if aMIMEType is a type that we think we can render with the
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// a WebM 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 whether the codecs string contains Opus/Vorbis or VP8/VP9.
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static bool CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
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const nsAString& aCodecs);
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void GetMozDebugReaderData(nsAString& aString) override;
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private:
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RefPtr<MediaFormatReader> mReader;
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};
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} // namespace mozilla
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#endif
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