Bug 1315510 - Automatically recreate VideoDecoderManager if the GPU process crashes. r=dvander

This commit is contained in:
Matt Woodrow 2016-11-08 15:21:35 +13:00
parent 3445ad743b
commit f880884b57
12 changed files with 156 additions and 105 deletions

View File

@ -25,6 +25,7 @@
#include "mozilla/docshell/OfflineCacheUpdateChild.h"
#include "mozilla/dom/ContentBridgeChild.h"
#include "mozilla/dom/ContentBridgeParent.h"
#include "mozilla/dom/VideoDecoderManagerChild.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/DOMStorageIPC.h"
@ -1181,7 +1182,8 @@ ContentChild::RecvGMPsChanged(nsTArray<GMPCapabilityData>&& capabilities)
bool
ContentChild::RecvInitRendering(Endpoint<PCompositorBridgeChild>&& aCompositor,
Endpoint<PImageBridgeChild>&& aImageBridge,
Endpoint<PVRManagerChild>&& aVRBridge)
Endpoint<PVRManagerChild>&& aVRBridge,
Endpoint<PVideoDecoderManagerChild>&& aVideoManager)
{
if (!CompositorBridgeChild::InitForContent(Move(aCompositor))) {
return false;
@ -1192,13 +1194,15 @@ ContentChild::RecvInitRendering(Endpoint<PCompositorBridgeChild>&& aCompositor,
if (!gfx::VRManagerChild::InitForContent(Move(aVRBridge))) {
return false;
}
VideoDecoderManagerChild::InitForContent(Move(aVideoManager));
return true;
}
bool
ContentChild::RecvReinitRendering(Endpoint<PCompositorBridgeChild>&& aCompositor,
Endpoint<PImageBridgeChild>&& aImageBridge,
Endpoint<PVRManagerChild>&& aVRBridge)
Endpoint<PVRManagerChild>&& aVRBridge,
Endpoint<PVideoDecoderManagerChild>&& aVideoManager)
{
nsTArray<RefPtr<TabChild>> tabs = TabChild::GetAll();
@ -1226,6 +1230,8 @@ ContentChild::RecvReinitRendering(Endpoint<PCompositorBridgeChild>&& aCompositor
tabChild->ReinitRendering();
}
}
VideoDecoderManagerChild::InitForContent(Move(aVideoManager));
return true;
}

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@ -169,13 +169,15 @@ public:
RecvInitRendering(
Endpoint<PCompositorBridgeChild>&& aCompositor,
Endpoint<PImageBridgeChild>&& aImageBridge,
Endpoint<PVRManagerChild>&& aVRBridge) override;
Endpoint<PVRManagerChild>&& aVRBridge,
Endpoint<PVideoDecoderManagerChild>&& aVideoManager) override;
bool
RecvReinitRendering(
Endpoint<PCompositorBridgeChild>&& aCompositor,
Endpoint<PImageBridgeChild>&& aImageBridge,
Endpoint<PVRManagerChild>&& aVRBridge) override;
Endpoint<PVRManagerChild>&& aVRBridge,
Endpoint<PVideoDecoderManagerChild>&& aVideoManager) override;
PProcessHangMonitorChild*
AllocPProcessHangMonitorChild(Transport* aTransport,

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@ -1027,13 +1027,6 @@ ContentParent::RecvFindPlugins(const uint32_t& aPluginEpoch,
return true;
}
bool
ContentParent::RecvInitVideoDecoderManager(Endpoint<PVideoDecoderManagerChild>* aEndpoint)
{
GPUProcessManager::Get()->CreateContentVideoDecoderManager(OtherPid(), aEndpoint);
return true;
}
/*static*/ TabParent*
ContentParent::CreateBrowserOrApp(const TabContext& aContext,
Element* aFrameElement,
@ -2227,18 +2220,21 @@ ContentParent::InitInternal(ProcessPriority aInitialPriority,
Endpoint<PCompositorBridgeChild> compositor;
Endpoint<PImageBridgeChild> imageBridge;
Endpoint<PVRManagerChild> vrBridge;
Endpoint<PVideoDecoderManagerChild> videoManager;
DebugOnly<bool> opened = gpm->CreateContentBridges(
OtherPid(),
&compositor,
&imageBridge,
&vrBridge);
&vrBridge,
&videoManager);
MOZ_ASSERT(opened);
Unused << SendInitRendering(
Move(compositor),
Move(imageBridge),
Move(vrBridge));
Move(vrBridge),
Move(videoManager));
gpm->AddListener(this);
}
@ -2383,18 +2379,21 @@ ContentParent::OnCompositorUnexpectedShutdown()
Endpoint<PCompositorBridgeChild> compositor;
Endpoint<PImageBridgeChild> imageBridge;
Endpoint<PVRManagerChild> vrBridge;
Endpoint<PVideoDecoderManagerChild> videoManager;
DebugOnly<bool> opened = gpm->CreateContentBridges(
OtherPid(),
&compositor,
&imageBridge,
&vrBridge);
&vrBridge,
&videoManager);
MOZ_ASSERT(opened);
Unused << SendReinitRendering(
Move(compositor),
Move(imageBridge),
Move(vrBridge));
Move(vrBridge),
Move(videoManager));
}
void

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@ -262,8 +262,6 @@ public:
nsTArray<PluginTag>* aPlugins,
uint32_t* aNewPluginEpoch) override;
virtual bool RecvInitVideoDecoderManager(Endpoint<PVideoDecoderManagerChild>* endpoint) override;
virtual bool RecvUngrabPointer(const uint32_t& aTime) override;
virtual bool RecvRemovePermission(const IPC::Principal& aPrincipal,

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@ -429,7 +429,8 @@ child:
async InitRendering(
Endpoint<PCompositorBridgeChild> compositor,
Endpoint<PImageBridgeChild> imageBridge,
Endpoint<PVRManagerChild> vr);
Endpoint<PVRManagerChild> vr,
Endpoint<PVideoDecoderManagerChild> video);
// Re-create the rendering stack using the given endpoints. This is sent
// after the compositor process has crashed. The new endpoints may be to a
@ -437,7 +438,8 @@ child:
async ReinitRendering(
Endpoint<PCompositorBridgeChild> compositor,
Endpoint<PImageBridgeChild> bridge,
Endpoint<PVRManagerChild> vr);
Endpoint<PVRManagerChild> vr,
Endpoint<PVideoDecoderManagerChild> video);
/**
* Enable system-level sandboxing features, if available. Can
@ -742,8 +744,6 @@ parent:
sync PCrashReporter(NativeThreadId tid, uint32_t processType);
sync InitVideoDecoderManager() returns (Endpoint<PVideoDecoderManagerChild> endpoint);
/**
* Is this token compatible with the provided version?
*

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@ -9,6 +9,7 @@
#include "mozilla/layers/TextureClient.h"
#include "base/thread.h"
#include "MediaInfo.h"
#include "MediaPrefs.h"
#include "ImageContainer.h"
namespace mozilla {
@ -147,7 +148,8 @@ RemoteDecoderModule::DecoderNeedsConversion(const TrackInfo& aConfig) const
already_AddRefed<MediaDataDecoder>
RemoteDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
{
if (!aParams.mKnowsCompositor ||
if (!MediaPrefs::PDMUseGPUDecoder() ||
!aParams.mKnowsCompositor ||
aParams.mKnowsCompositor->GetTextureFactoryIdentifier().mParentProcessType != GeckoProcessType_GPU) {
return nullptr;
}

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@ -103,11 +103,16 @@ void
VideoDecoderChild::ActorDestroy(ActorDestroyReason aWhy)
{
if (aWhy == AbnormalShutdown) {
if (mInitialized) {
mCallback->Error(NS_ERROR_DOM_MEDIA_FATAL_ERR);
} else {
mInitPromise.RejectIfExists(NS_ERROR_DOM_MEDIA_FATAL_ERR, __func__);
}
// Defer reporting an error until we've recreated the manager so that
// it'll be safe for MediaFormatReader to recreate decoders
RefPtr<VideoDecoderChild> ref = this;
GetManager()->RunWhenRecreated(NS_NewRunnableFunction([=]() {
if (ref->mInitialized) {
ref->mCallback->Error(NS_ERROR_DOM_MEDIA_DECODE_ERR);
} else {
ref->mInitPromise.RejectIfExists(NS_ERROR_DOM_MEDIA_DECODE_ERR, __func__);
}
}));
}
mCanSend = false;
}
@ -118,9 +123,15 @@ VideoDecoderChild::InitIPDL(MediaDataDecoderCallback* aCallback,
layers::KnowsCompositor* aKnowsCompositor)
{
RefPtr<VideoDecoderManagerChild> manager = VideoDecoderManagerChild::GetSingleton();
if (!manager) {
// If the manager isn't available, then don't initialize mIPDLSelfRef and leave
// us in an error state. We'll then immediately reject the promise when Init()
// is called and the caller can try again. Hopefully by then the new manager is
// ready, or we've notified the caller of it being no longer available.
// If not, then the cycle repeats until we're ready.
if (!manager || !manager->CanSend()) {
return;
}
mIPDLSelfRef = this;
mCallback = aCallback;
mVideoInfo = aVideoInfo;
@ -150,9 +161,15 @@ RefPtr<MediaDataDecoder::InitPromise>
VideoDecoderChild::Init()
{
AssertOnManagerThread();
if (!mCanSend || !SendInit(mVideoInfo, mKnowsCompositor->GetTextureFactoryIdentifier())) {
if (!mIPDLSelfRef) {
return MediaDataDecoder::InitPromise::CreateAndReject(
NS_ERROR_DOM_MEDIA_FATAL_ERR, __func__);
NS_ERROR_DOM_MEDIA_DECODE_ERR, __func__);
}
// If we failed to send this, then we'll still resolve the Init promise
// as ActorDestroy handles it.
if (mCanSend) {
SendInit(mVideoInfo, mKnowsCompositor->GetTextureFactoryIdentifier());
}
return mInitPromise.Ensure(__func__);
}
@ -162,7 +179,6 @@ VideoDecoderChild::Input(MediaRawData* aSample)
{
AssertOnManagerThread();
if (!mCanSend) {
mCallback->Error(NS_ERROR_DOM_MEDIA_FATAL_ERR);
return;
}
@ -171,7 +187,7 @@ VideoDecoderChild::Input(MediaRawData* aSample)
// into shmem rather than requiring a copy here.
Shmem buffer;
if (!AllocShmem(aSample->Size(), Shmem::SharedMemory::TYPE_BASIC, &buffer)) {
mCallback->Error(NS_ERROR_DOM_MEDIA_FATAL_ERR);
mCallback->Error(NS_ERROR_DOM_MEDIA_DECODE_ERR);
return;
}
@ -184,17 +200,15 @@ VideoDecoderChild::Input(MediaRawData* aSample)
aSample->mFrames,
aSample->mKeyframe),
buffer);
if (!SendInput(sample)) {
mCallback->Error(NS_ERROR_DOM_MEDIA_FATAL_ERR);
}
SendInput(sample);
}
void
VideoDecoderChild::Flush()
{
AssertOnManagerThread();
if (!mCanSend || !SendFlush()) {
mCallback->Error(NS_ERROR_DOM_MEDIA_FATAL_ERR);
if (mCanSend) {
SendFlush();
}
}
@ -202,8 +216,8 @@ void
VideoDecoderChild::Drain()
{
AssertOnManagerThread();
if (!mCanSend || !SendDrain()) {
mCallback->Error(NS_ERROR_DOM_MEDIA_FATAL_ERR);
if (mCanSend) {
SendDrain();
}
}
@ -211,8 +225,8 @@ void
VideoDecoderChild::Shutdown()
{
AssertOnManagerThread();
if (!mCanSend || !SendShutdown()) {
mCallback->Error(NS_ERROR_DOM_MEDIA_FATAL_ERR);
if (mCanSend) {
SendShutdown();
}
mInitialized = false;
}
@ -228,8 +242,8 @@ void
VideoDecoderChild::SetSeekThreshold(const media::TimeUnit& aTime)
{
AssertOnManagerThread();
if (!mCanSend || !SendSetSeekThreshold(aTime.ToMicroseconds())) {
mCallback->Error(NS_ERROR_DOM_MEDIA_FATAL_ERR);
if (mCanSend) {
SendSetSeekThreshold(aTime.ToMicroseconds());
}
}

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@ -13,6 +13,7 @@
#include "mozilla/layers/SynchronousTask.h"
#include "mozilla/gfx/DataSurfaceHelpers.h"
#include "mozilla/layers/ISurfaceAllocator.h"
#include "base/task.h"
namespace mozilla {
namespace dom {
@ -27,24 +28,13 @@ StaticRefPtr<AbstractThread> sVideoDecoderChildAbstractThread;
// Only accessed from sVideoDecoderChildThread
static StaticRefPtr<VideoDecoderManagerChild> sDecoderManager;
static UniquePtr<nsTArray<RefPtr<Runnable>>> sRecreateTasks;
/* static */ void
VideoDecoderManagerChild::Initialize()
VideoDecoderManagerChild::InitializeThread()
{
MOZ_ASSERT(NS_IsMainThread());
MediaPrefs::GetSingleton();
#ifdef XP_WIN
if (!MediaPrefs::PDMUseGPUDecoder()) {
return;
}
// Can't run remote video decoding in the parent process.
if (!ContentChild::GetSingleton()) {
return;
}
if (!sVideoDecoderChildThread) {
RefPtr<nsIThread> childThread;
nsresult rv = NS_NewNamedThread("VideoChild", getter_AddRefs(childThread));
@ -53,11 +43,16 @@ VideoDecoderManagerChild::Initialize()
sVideoDecoderChildAbstractThread =
AbstractThread::CreateXPCOMThreadWrapper(childThread, false);
}
#else
return;
#endif
sRecreateTasks = MakeUnique<nsTArray<RefPtr<Runnable>>>();
}
}
/* static */ void
VideoDecoderManagerChild::InitForContent(Endpoint<PVideoDecoderManagerChild>&& aVideoManager)
{
InitializeThread();
sVideoDecoderChildThread->Dispatch(NewRunnableFunction(&Open, Move(aVideoManager)), NS_DISPATCH_NORMAL);
}
/* static */ void
@ -67,7 +62,7 @@ VideoDecoderManagerChild::Shutdown()
if (sVideoDecoderChildThread) {
sVideoDecoderChildThread->Dispatch(NS_NewRunnableFunction([]() {
if (sDecoderManager) {
if (sDecoderManager && sDecoderManager->CanSend()) {
sDecoderManager->Close();
sDecoderManager = nullptr;
}
@ -76,36 +71,30 @@ VideoDecoderManagerChild::Shutdown()
sVideoDecoderChildAbstractThread = nullptr;
sVideoDecoderChildThread->Shutdown();
sVideoDecoderChildThread = nullptr;
sRecreateTasks = nullptr;
}
}
void
VideoDecoderManagerChild::RunWhenRecreated(already_AddRefed<Runnable> aTask)
{
MOZ_ASSERT(NS_GetCurrentThread() == GetManagerThread());
// If we've already been recreated, then run the task immediately.
if (sDecoderManager && sDecoderManager != this && sDecoderManager->CanSend()) {
RefPtr<Runnable> task = aTask;
task->Run();
} else {
sRecreateTasks->AppendElement(aTask);
}
}
/* static */ VideoDecoderManagerChild*
VideoDecoderManagerChild::GetSingleton()
{
MOZ_ASSERT(NS_GetCurrentThread() == GetManagerThread());
if (!sDecoderManager || !sDecoderManager->mCanSend) {
RefPtr<VideoDecoderManagerChild> manager;
NS_DispatchToMainThread(NS_NewRunnableFunction([&]() {
Endpoint<PVideoDecoderManagerChild> endpoint;
if (!ContentChild::GetSingleton()->SendInitVideoDecoderManager(&endpoint)) {
return;
}
if (!endpoint.IsValid()) {
return;
}
manager = new VideoDecoderManagerChild();
RefPtr<Runnable> task = NewRunnableMethod<Endpoint<PVideoDecoderManagerChild>&&>(
manager, &VideoDecoderManagerChild::Open, Move(endpoint));
sVideoDecoderChildThread->Dispatch(task.forget(), NS_DISPATCH_NORMAL);
}), NS_DISPATCH_SYNC);
sDecoderManager = manager;
}
return sDecoderManager;
}
@ -138,11 +127,27 @@ VideoDecoderManagerChild::DeallocPVideoDecoderChild(PVideoDecoderChild* actor)
void
VideoDecoderManagerChild::Open(Endpoint<PVideoDecoderManagerChild>&& aEndpoint)
{
if (!aEndpoint.Bind(this)) {
return;
// Make sure we always dispatch everything in sRecreateTasks, even if we
// fail since this is as close to being recreated as we will ever be.
sDecoderManager = nullptr;
if (aEndpoint.IsValid()) {
RefPtr<VideoDecoderManagerChild> manager = new VideoDecoderManagerChild();
if (aEndpoint.Bind(manager)) {
sDecoderManager = manager;
manager->InitIPDL();
}
}
AddRef();
for (Runnable* task : *sRecreateTasks) {
task->Run();
}
sRecreateTasks->Clear();
}
void
VideoDecoderManagerChild::InitIPDL()
{
mCanSend = true;
mIPDLSelfRef = this;
}
void
@ -154,7 +159,14 @@ VideoDecoderManagerChild::ActorDestroy(ActorDestroyReason aWhy)
void
VideoDecoderManagerChild::DeallocPVideoDecoderManagerChild()
{
Release();
mIPDLSelfRef = nullptr;
}
bool
VideoDecoderManagerChild::CanSend()
{
MOZ_ASSERT(NS_GetCurrentThread() == GetManagerThread());
return mCanSend;
}
bool
@ -164,7 +176,7 @@ VideoDecoderManagerChild::DeallocShmem(mozilla::ipc::Shmem& aShmem)
RefPtr<VideoDecoderManagerChild> self = this;
mozilla::ipc::Shmem shmem = aShmem;
sVideoDecoderChildThread->Dispatch(NS_NewRunnableFunction([self, shmem]() {
if (self->mCanSend) {
if (self->CanSend()) {
mozilla::ipc::Shmem shmemCopy = shmem;
self->DeallocShmem(shmemCopy);
}
@ -207,7 +219,7 @@ VideoDecoderManagerChild::Readback(const SurfaceDescriptorGPUVideo& aSD)
SurfaceDescriptor sd;
sVideoDecoderChildThread->Dispatch(NS_NewRunnableFunction([&]() {
AutoCompleteTask complete(&task);
if (ref->mCanSend) {
if (ref->CanSend()) {
ref->SendReadback(aSD, &sd);
}
}), NS_DISPATCH_NORMAL);
@ -239,7 +251,7 @@ VideoDecoderManagerChild::DeallocateSurfaceDescriptorGPUVideo(const SurfaceDescr
RefPtr<VideoDecoderManagerChild> ref = this;
SurfaceDescriptorGPUVideo sd = Move(aSD);
sVideoDecoderChildThread->Dispatch(NS_NewRunnableFunction([ref, sd]() {
if (ref->mCanSend) {
if (ref->CanSend()) {
ref->SendDeallocateSurfaceDescriptorGPUVideo(sd);
}
}), NS_DISPATCH_NORMAL);

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@ -51,10 +51,20 @@ public:
bool DeallocShmem(mozilla::ipc::Shmem& aShmem) override;
// Main thread only
static void Initialize();
static void InitForContent(Endpoint<PVideoDecoderManagerChild>&& aVideoManager);
static void Shutdown();
// Run aTask (on the manager thread) when we next attempt to create a new manager
// (even if creation fails). Intended to be called from ActorDestroy when we get
// notified that the old manager is being destroyed.
// Can only be called from the manager thread.
void RunWhenRecreated(already_AddRefed<Runnable> aTask);
bool CanSend();
protected:
void InitIPDL();
void ActorDestroy(ActorDestroyReason aWhy) override;
void DeallocPVideoDecoderManagerChild() override;
@ -64,12 +74,17 @@ protected:
bool DeallocPVideoDecoderChild(PVideoDecoderChild* actor) override;
private:
// Main thread only
static void InitializeThread();
VideoDecoderManagerChild()
: mCanSend(false)
{}
~VideoDecoderManagerChild() {}
void Open(Endpoint<PVideoDecoderManagerChild>&& aEndpoint);
static void Open(Endpoint<PVideoDecoderManagerChild>&& aEndpoint);
RefPtr<VideoDecoderManagerChild> mIPDLSelfRef;
// Should only ever be accessed on the manager thread.
bool mCanSend;

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@ -29,6 +29,7 @@
#include "VsyncSource.h"
#include "mozilla/dom/VideoDecoderManagerChild.h"
#include "mozilla/dom/VideoDecoderManagerParent.h"
#include "MediaPrefs.h"
namespace mozilla {
namespace gfx {
@ -544,7 +545,8 @@ bool
GPUProcessManager::CreateContentBridges(base::ProcessId aOtherProcess,
ipc::Endpoint<PCompositorBridgeChild>* aOutCompositor,
ipc::Endpoint<PImageBridgeChild>* aOutImageBridge,
ipc::Endpoint<PVRManagerChild>* aOutVRBridge)
ipc::Endpoint<PVRManagerChild>* aOutVRBridge,
ipc::Endpoint<dom::PVideoDecoderManagerChild>* aOutVideoManager)
{
if (!CreateContentCompositorBridge(aOtherProcess, aOutCompositor) ||
!CreateContentImageBridge(aOtherProcess, aOutImageBridge) ||
@ -552,6 +554,9 @@ GPUProcessManager::CreateContentBridges(base::ProcessId aOtherProcess,
{
return false;
}
// VideoDeocderManager is only supported in the GPU process, so we allow this to be
// fallible.
CreateContentVideoDecoderManager(aOtherProcess, aOutVideoManager);
return true;
}
@ -667,12 +672,12 @@ GPUProcessManager::CreateContentVRManager(base::ProcessId aOtherProcess,
return true;
}
bool
void
GPUProcessManager::CreateContentVideoDecoderManager(base::ProcessId aOtherProcess,
ipc::Endpoint<dom::PVideoDecoderManagerChild>* aOutEndpoint)
{
if (!mGPUChild) {
return false;
if (!mGPUChild || !MediaPrefs::PDMUseGPUDecoder()) {
return;
}
ipc::Endpoint<dom::PVideoDecoderManagerParent> parentPipe;
@ -685,13 +690,13 @@ GPUProcessManager::CreateContentVideoDecoderManager(base::ProcessId aOtherProces
&childPipe);
if (NS_FAILED(rv)) {
gfxCriticalNote << "Could not create content video decoder: " << hexa(int(rv));
return false;
return;
}
mGPUChild->SendNewContentVideoDecoderManager(Move(parentPipe));
*aOutEndpoint = Move(childPipe);
return true;
return;
}
already_AddRefed<IAPZCTreeManager>

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@ -92,9 +92,8 @@ public:
base::ProcessId aOtherProcess,
ipc::Endpoint<PCompositorBridgeChild>* aOutCompositor,
ipc::Endpoint<PImageBridgeChild>* aOutImageBridge,
ipc::Endpoint<PVRManagerChild>* aOutVRBridge);
bool CreateContentVideoDecoderManager(base::ProcessId aOtherProcess,
ipc::Endpoint<dom::PVideoDecoderManagerChild>* aOutEndPoint);
ipc::Endpoint<PVRManagerChild>* aOutVRBridge,
ipc::Endpoint<dom::PVideoDecoderManagerChild>* aOutVideoManager);
// This returns a reference to the APZCTreeManager to which
// pan/zoom-related events can be sent.
@ -160,6 +159,8 @@ private:
ipc::Endpoint<PImageBridgeChild>* aOutEndpoint);
bool CreateContentVRManager(base::ProcessId aOtherProcess,
ipc::Endpoint<PVRManagerChild>* aOutEndpoint);
void CreateContentVideoDecoderManager(base::ProcessId aOtherProcess,
ipc::Endpoint<dom::PVideoDecoderManagerChild>* aOutEndPoint);
// Called from RemoteCompositorSession. We track remote sessions so we can
// notify their owning widgets that the session must be restarted.

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@ -67,7 +67,6 @@
#include "FrameLayerBuilder.h"
#include "AnimationCommon.h"
#include "LayerAnimationInfo.h"
#include "mozilla/dom/VideoDecoderManagerChild.h"
#include "AudioChannelService.h"
#include "mozilla/dom/PromiseDebugging.h"
@ -302,8 +301,6 @@ nsLayoutStatics::Initialize()
MediaDecoder::InitStatics();
VideoDecoderManagerChild::Initialize();
PromiseDebugging::Init();
mozilla::dom::devicestorage::DeviceStorageStatics::Initialize();