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de0172246c
This stops a potential race when multiple media playback threads attempt to
launch the RDD process and setup the IPC connections between
RemoteDecoderManager{Child|Parent} at the same time.
Differential Revision: https://phabricator.services.mozilla.com/D39120
--HG--
extra : moz-landing-system : lando
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef include_dom_media_ipc_RemoteDecoderModule_h
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#define include_dom_media_ipc_RemoteDecoderModule_h
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#include "PlatformDecoderModule.h"
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#include "mozilla/StaticMutex.h"
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namespace mozilla {
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// A PDM implementation that creates a RemoteMediaDataDecoder (a
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// MediaDataDecoder) that proxies to a RemoteVideoDecoderChild.
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// A decoder child will talk to its respective decoder parent
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// (RemoteVideoDecoderParent) on the RDD process.
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class RemoteDecoderModule : public PlatformDecoderModule {
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public:
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RemoteDecoderModule();
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bool SupportsMimeType(const nsACString& aMimeType,
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DecoderDoctorDiagnostics* aDiagnostics) const override;
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already_AddRefed<MediaDataDecoder> CreateVideoDecoder(
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const CreateDecoderParams& aParams) override;
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already_AddRefed<MediaDataDecoder> CreateAudioDecoder(
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const CreateDecoderParams& aParams) override;
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protected:
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void LaunchRDDProcessIfNeeded();
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private:
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RefPtr<nsIThread> mManagerThread;
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static StaticMutex sLaunchMonitor;
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};
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} // namespace mozilla
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#endif // include_dom_media_ipc_RemoteDecoderModule_h
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