зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.7 KiB
C++
84 строки
2.7 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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#include "RemoteDecoderModule.h"
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#include "base/thread.h"
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#include "mozilla/dom/ContentChild.h" // for launching RDD w/ ContentChild
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#include "mozilla/layers/SynchronousTask.h"
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#include "mozilla/StaticPrefs.h"
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#ifdef MOZ_AV1
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#include "AOMDecoder.h"
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#endif
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#include "RemoteDecoderManagerChild.h"
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#include "RemoteMediaDataDecoder.h"
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#include "RemoteVideoDecoderChild.h"
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namespace mozilla {
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using base::Thread;
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using dom::ContentChild;
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using namespace ipc;
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using namespace layers;
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bool RemoteDecoderModule::SupportsMimeType(
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const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const {
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bool supports = false;
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#ifdef MOZ_AV1
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if (StaticPrefs::MediaAv1Enabled()) {
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supports |= AOMDecoder::IsAV1(aMimeType);
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}
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#endif
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MOZ_LOG(
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sPDMLog, LogLevel::Debug,
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("Sandbox decoder %s requested type", supports ? "supports" : "rejects"));
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return supports;
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}
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already_AddRefed<MediaDataDecoder> RemoteDecoderModule::CreateVideoDecoder(
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const CreateDecoderParams& aParams) {
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if (XRE_IsContentProcess()) {
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ContentChild* contentChild = ContentChild::GetSingleton();
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contentChild->LaunchRDDProcess();
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}
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if (!RemoteDecoderManagerChild::GetManagerThread()) {
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return nullptr;
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}
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RemoteVideoDecoderChild* child = new RemoteVideoDecoderChild();
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RefPtr<RemoteMediaDataDecoder> object = new RemoteMediaDataDecoder(
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child, RemoteDecoderManagerChild::GetManagerThread(),
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RemoteDecoderManagerChild::GetManagerAbstractThread());
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// (per Matt Woodrow) We can't use NS_DISPATCH_SYNC here since that
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// can spin the event loop while it waits.
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SynchronousTask task("InitIPDL");
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MediaResult result(NS_OK);
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RemoteDecoderManagerChild::GetManagerThread()->Dispatch(
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NS_NewRunnableFunction("dom::RemoteDecoderModule::CreateVideoDecoder",
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[&, child]() {
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AutoCompleteTask complete(&task);
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result = child->InitIPDL(aParams.VideoConfig(),
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aParams.mRate.mValue,
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aParams.mOptions);
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}),
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NS_DISPATCH_NORMAL);
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task.Wait();
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if (NS_FAILED(result)) {
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if (aParams.mError) {
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*aParams.mError = result;
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}
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return nullptr;
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}
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return object.forget();
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}
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} // namespace mozilla
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