Copy as Markdown

Other Tools

//
// Automatically generated by ipdlc.
// Edit at your own risk
//
#include "mozilla/PRemoteDecoderManagerChild.h"
#include "gfxipc/ShadowLayerUtils.h"
#include "mozilla/GfxMessageUtils.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/ProfilerMarkers.h"
#include "mozilla/RemoteDecoderManagerChild.h"
#include "mozilla/dom/MediaIPCUtils.h"
#include "mozilla/ipc/IPCCore.h"
#include "mozilla/layers/CompositorTypes.h"
#include "mozilla/layers/LayersMessageUtils.h"
#include "mozilla/layers/WebRenderMessageUtils.h"
#include "mozilla/PMFMediaEngineChild.h"
#include "mozilla/PMFCDMChild.h"
#include "mozilla/layers/PTextureChild.h"
#include "mozilla/PRemoteDecoderChild.h"
#include "ipc/IPCMessageUtils.h"
#include "ipc/IPCMessageUtilsSpecializations.h"
#include "nsIFile.h"
#include "mozilla/ipc/Endpoint.h"
#include "mozilla/ipc/ProtocolMessageUtils.h"
#include "mozilla/ipc/ProtocolUtils.h"
#include "mozilla/ipc/ShmemMessageUtils.h"
#include "mozilla/ipc/TaintingIPCUtils.h"
namespace mozilla {
auto PRemoteDecoderManagerChild::ProcessingError(
Result aCode,
const char* aReason) -> void
{
}
auto PRemoteDecoderManagerChild::ShouldContinueFromReplyTimeout() -> bool
{
return true;
}
MOZ_IMPLICIT PRemoteDecoderManagerChild::PRemoteDecoderManagerChild() :
mozilla::ipc::IToplevelProtocol("PRemoteDecoderManagerChild", kProtocolId, mozilla::ipc::ChildSide)
{
MOZ_COUNT_CTOR(PRemoteDecoderManagerChild);
}
PRemoteDecoderManagerChild::~PRemoteDecoderManagerChild()
{
MOZ_COUNT_DTOR(PRemoteDecoderManagerChild);
}
auto PRemoteDecoderManagerChild::ActorAlloc() -> void
{
MOZ_RELEASE_ASSERT(XRE_IsParentProcess() || XRE_IsContentProcess(), "Invalid process for `PRemoteDecoderManagerChild'");
AddRef();
}
auto PRemoteDecoderManagerChild::ActorDealloc() -> void
{
Release();
}
auto PRemoteDecoderManagerChild::OtherPid() const -> ::base::ProcessId
{
::base::ProcessId pid =
::mozilla::ipc::IProtocol::ToplevelProtocol()->OtherPidMaybeInvalid();
MOZ_RELEASE_ASSERT(pid != ::base::kInvalidProcessId);
return pid;
}
auto PRemoteDecoderManagerChild::OtherChildID() const -> ::GeckoChildID
{
::GeckoChildID childID =
::mozilla::ipc::IProtocol::ToplevelProtocol()->OtherChildIDMaybeInvalid();
MOZ_RELEASE_ASSERT(childID != -1);
return childID;
}
auto PRemoteDecoderManagerChild::OtherEndpointProcInfo() const -> ::mozilla::ipc::EndpointProcInfo
{
return ::mozilla::ipc::EndpointProcInfo{OtherPid(), OtherChildID()};
}
auto PRemoteDecoderManagerChild::ManagedPRemoteDecoderChild(nsTArray<PRemoteDecoderChild*>& aArr) const -> void
{
mManagedPRemoteDecoderChild.ToArray(aArr);
}
auto PRemoteDecoderManagerChild::ManagedPRemoteDecoderChild() const -> const ManagedContainer<PRemoteDecoderChild>&
{
return mManagedPRemoteDecoderChild;
}
auto PRemoteDecoderManagerChild::ManagedPMFMediaEngineChild(nsTArray<PMFMediaEngineChild*>& aArr) const -> void
{
mManagedPMFMediaEngineChild.ToArray(aArr);
}
auto PRemoteDecoderManagerChild::ManagedPMFMediaEngineChild() const -> const ManagedContainer<PMFMediaEngineChild>&
{
return mManagedPMFMediaEngineChild;
}
auto PRemoteDecoderManagerChild::ManagedPMFCDMChild(nsTArray<PMFCDMChild*>& aArr) const -> void
{
mManagedPMFCDMChild.ToArray(aArr);
}
auto PRemoteDecoderManagerChild::ManagedPMFCDMChild() const -> const ManagedContainer<PMFCDMChild>&
{
return mManagedPMFCDMChild;
}
auto PRemoteDecoderManagerChild::ManagedProtocolIds() const -> mozilla::Span<mozilla::ipc::ProtocolId const>
{
static constexpr ::mozilla::ipc::ProtocolId sIds[] = {
PRemoteDecoderMsgStart,
PMFMediaEngineMsgStart,
PMFCDMMsgStart
};
return sIds;
}
auto PRemoteDecoderManagerChild::GetManagedActors(mozilla::ipc::ProtocolId aProtocol) -> UntypedManagedContainer*
{
switch (aProtocol) {
case PRemoteDecoderMsgStart:
return (&(mManagedPRemoteDecoderChild));
case PMFMediaEngineMsgStart:
return (&(mManagedPMFMediaEngineChild));
case PMFCDMMsgStart:
return (&(mManagedPMFCDMChild));
default:
return nullptr;
}
}
auto PRemoteDecoderManagerChild::OpenPRemoteDecoderEndpoint(PRemoteDecoderChild* aActor) -> ManagedEndpoint<PRemoteDecoderParent>
{
if (!aActor) {
NS_WARNING("Cannot bind null PRemoteDecoderChild actor");
return ManagedEndpoint<PRemoteDecoderParent>();
}
if (!aActor->SetManagerAndRegister(this)) {
NS_WARNING("Failed to bind PRemoteDecoderChild actor");
return ManagedEndpoint<PRemoteDecoderParent>();
}
// Mark our actor as awaiting the other side to be bound. This will
// be cleared when a `MANAGED_ENDPOINT_{DROPPED,BOUND}` message is
// received.
aActor->mAwaitingManagedEndpointBind = true;
return ManagedEndpoint<PRemoteDecoderParent>(mozilla::ipc::PrivateIPDLInterface(), aActor);
}
auto PRemoteDecoderManagerChild::BindPRemoteDecoderEndpoint(
ManagedEndpoint<PRemoteDecoderChild> aEndpoint,
PRemoteDecoderChild* aActor) -> bool
{
return aEndpoint.Bind(mozilla::ipc::PrivateIPDLInterface(), aActor, this);
}
auto PRemoteDecoderManagerChild::OpenPMFMediaEngineEndpoint(PMFMediaEngineChild* aActor) -> ManagedEndpoint<PMFMediaEngineParent>
{
if (!aActor) {
NS_WARNING("Cannot bind null PMFMediaEngineChild actor");
return ManagedEndpoint<PMFMediaEngineParent>();
}
if (!aActor->SetManagerAndRegister(this)) {
NS_WARNING("Failed to bind PMFMediaEngineChild actor");
return ManagedEndpoint<PMFMediaEngineParent>();
}
// Mark our actor as awaiting the other side to be bound. This will
// be cleared when a `MANAGED_ENDPOINT_{DROPPED,BOUND}` message is
// received.
aActor->mAwaitingManagedEndpointBind = true;
return ManagedEndpoint<PMFMediaEngineParent>(mozilla::ipc::PrivateIPDLInterface(), aActor);
}
auto PRemoteDecoderManagerChild::BindPMFMediaEngineEndpoint(
ManagedEndpoint<PMFMediaEngineChild> aEndpoint,
PMFMediaEngineChild* aActor) -> bool
{
return aEndpoint.Bind(mozilla::ipc::PrivateIPDLInterface(), aActor, this);
}
auto PRemoteDecoderManagerChild::OpenPMFCDMEndpoint(PMFCDMChild* aActor) -> ManagedEndpoint<PMFCDMParent>
{
if (!aActor) {
NS_WARNING("Cannot bind null PMFCDMChild actor");
return ManagedEndpoint<PMFCDMParent>();
}
if (!aActor->SetManagerAndRegister(this)) {
NS_WARNING("Failed to bind PMFCDMChild actor");
return ManagedEndpoint<PMFCDMParent>();
}
// Mark our actor as awaiting the other side to be bound. This will
// be cleared when a `MANAGED_ENDPOINT_{DROPPED,BOUND}` message is
// received.
aActor->mAwaitingManagedEndpointBind = true;
return ManagedEndpoint<PMFCDMParent>(mozilla::ipc::PrivateIPDLInterface(), aActor);
}
auto PRemoteDecoderManagerChild::BindPMFCDMEndpoint(
ManagedEndpoint<PMFCDMChild> aEndpoint,
PMFCDMChild* aActor) -> bool
{
return aEndpoint.Bind(mozilla::ipc::PrivateIPDLInterface(), aActor, this);
}
auto PRemoteDecoderManagerChild::SendPMFMediaEngineConstructor() -> PMFMediaEngineChild*
{
PMFMediaEngineChild* actor = (static_cast<RemoteDecoderManagerChild*>(this))->AllocPMFMediaEngineChild();
return SendPMFMediaEngineConstructor(std::move(actor));
}
auto PRemoteDecoderManagerChild::SendPMFMediaEngineConstructor(PMFMediaEngineChild* actor) -> PMFMediaEngineChild*
{
if (!actor) {
NS_WARNING("Cannot bind null PMFMediaEngineChild actor");
return nullptr;
}
if (!actor->SetManagerAndRegister(this)) {
NS_WARNING("Failed to bind PMFMediaEngineChild actor");
return nullptr;
}
// Build our constructor message.
UniquePtr<IPC::Message> msg__ = PRemoteDecoderManager::Msg_PMFMediaEngineConstructor(MSG_ROUTING_CONTROL);
IPC::MessageWriter writer__{
(*(msg__)),
this};
IPC::WriteParam((&(writer__)), actor);
// Sentinel = 'actor'
((&(writer__)))->WriteSentinel(102892058);
// Notify the other side about the newly created actor. This can
// fail if our manager has already been destroyed.
//
// NOTE: If the send call fails due to toplevel channel teardown,
// the `IProtocol::ChannelSend` wrapper absorbs the error for us,
// so we don't tear down actors unexpectedly.
if (mozilla::ipc::LoggingEnabledFor("PRemoteDecoderManager", mozilla::ipc::ChildSide)) {
mozilla::ipc::LogMessageForProtocol(
"PRemoteDecoderManagerChild",
this->ToplevelProtocol()->OtherPidMaybeInvalid(),
"Sending ",
msg__->type(),
mozilla::ipc::MessageDirection::eSending);
}
AUTO_PROFILER_LABEL("PRemoteDecoderManager::Msg_PMFMediaEngineConstructor", OTHER);
bool sendok__ = ChannelSend(std::move(msg__));
// Warn, destroy the actor, and return null if the message failed to
// send. Otherwise, return the successfully created actor reference.
if (!sendok__) {
NS_WARNING("Error sending PMFMediaEngineChild constructor");
actor->ActorDisconnected(FailedConstructor);
return nullptr;
}
return actor;
}
auto PRemoteDecoderManagerChild::SendPMFCDMConstructor(const nsAString& keySystem) -> PMFCDMChild*
{
PMFCDMChild* actor = (static_cast<RemoteDecoderManagerChild*>(this))->AllocPMFCDMChild(keySystem);
return SendPMFCDMConstructor(std::move(actor), std::move(keySystem));
}
auto PRemoteDecoderManagerChild::SendPMFCDMConstructor(
PMFCDMChild* actor,
const nsAString& keySystem) -> PMFCDMChild*
{
if (!actor) {
NS_WARNING("Cannot bind null PMFCDMChild actor");
return nullptr;
}
if (!actor->SetManagerAndRegister(this)) {
NS_WARNING("Failed to bind PMFCDMChild actor");
return nullptr;
}
// Build our constructor message.
UniquePtr<IPC::Message> msg__ = PRemoteDecoderManager::Msg_PMFCDMConstructor(MSG_ROUTING_CONTROL);
IPC::MessageWriter writer__{
(*(msg__)),
this};
IPC::WriteParam((&(writer__)), actor);
// Sentinel = 'actor'
((&(writer__)))->WriteSentinel(102892058);
IPC::WriteParam((&(writer__)), keySystem);
// Sentinel = 'keySystem'
((&(writer__)))->WriteSentinel(317785039);
// Notify the other side about the newly created actor. This can
// fail if our manager has already been destroyed.
//
// NOTE: If the send call fails due to toplevel channel teardown,
// the `IProtocol::ChannelSend` wrapper absorbs the error for us,
// so we don't tear down actors unexpectedly.
if (mozilla::ipc::LoggingEnabledFor("PRemoteDecoderManager", mozilla::ipc::ChildSide)) {
mozilla::ipc::LogMessageForProtocol(
"PRemoteDecoderManagerChild",
this->ToplevelProtocol()->OtherPidMaybeInvalid(),
"Sending ",
msg__->type(),
mozilla::ipc::MessageDirection::eSending);
}
AUTO_PROFILER_LABEL("PRemoteDecoderManager::Msg_PMFCDMConstructor", OTHER);
bool sendok__ = ChannelSend(std::move(msg__));
// Warn, destroy the actor, and return null if the message failed to
// send. Otherwise, return the successfully created actor reference.
if (!sendok__) {
NS_WARNING("Error sending PMFCDMChild constructor");
actor->ActorDisconnected(FailedConstructor);
return nullptr;
}
return actor;
}
auto PRemoteDecoderManagerChild::SendPRemoteDecoderConstructor(
const RemoteDecoderInfoIPDL& info,
const OptionSet& options,
const mozilla::Maybe<TextureFactoryIdentifier>& identifier,
const mozilla::Maybe<uint64_t>& mediaEngineId,
const mozilla::Maybe<TrackingId>& trackingId) -> PRemoteDecoderChild*
{
PRemoteDecoderChild* actor = (static_cast<RemoteDecoderManagerChild*>(this))->AllocPRemoteDecoderChild(info, options, identifier, mediaEngineId, trackingId);
return SendPRemoteDecoderConstructor(std::move(actor), std::move(info), std::move(options), std::move(identifier), std::move(mediaEngineId), std::move(trackingId));
}
auto PRemoteDecoderManagerChild::SendPRemoteDecoderConstructor(
PRemoteDecoderChild* actor,
const RemoteDecoderInfoIPDL& info,
const OptionSet& options,
const mozilla::Maybe<TextureFactoryIdentifier>& identifier,
const mozilla::Maybe<uint64_t>& mediaEngineId,
const mozilla::Maybe<TrackingId>& trackingId) -> PRemoteDecoderChild*
{
if (!actor) {
NS_WARNING("Cannot bind null PRemoteDecoderChild actor");
return nullptr;
}
if (!actor->SetManagerAndRegister(this)) {
NS_WARNING("Failed to bind PRemoteDecoderChild actor");
return nullptr;
}
// Build our constructor message.
UniquePtr<IPC::Message> msg__ = PRemoteDecoderManager::Msg_PRemoteDecoderConstructor(MSG_ROUTING_CONTROL);
IPC::MessageWriter writer__{
(*(msg__)),
this};
IPC::WriteParam((&(writer__)), actor);
// Sentinel = 'actor'
((&(writer__)))->WriteSentinel(102892058);
IPC::WriteParam((&(writer__)), info);
// Sentinel = 'info'
((&(writer__)))->WriteSentinel(70058413);
IPC::WriteParam((&(writer__)), options);
// Sentinel = 'options'
((&(writer__)))->WriteSentinel(204735245);
IPC::WriteParam((&(writer__)), identifier);
// Sentinel = 'identifier'
((&(writer__)))->WriteSentinel(379978788);
IPC::WriteParam((&(writer__)), mediaEngineId);
// Sentinel = 'mediaEngineId'
((&(writer__)))->WriteSentinel(597624068);
IPC::WriteParam((&(writer__)), trackingId);
// Sentinel = 'trackingId'
((&(writer__)))->WriteSentinel(381879297);
// Notify the other side about the newly created actor. This can
// fail if our manager has already been destroyed.
//
// NOTE: If the send call fails due to toplevel channel teardown,
// the `IProtocol::ChannelSend` wrapper absorbs the error for us,
// so we don't tear down actors unexpectedly.
if (mozilla::ipc::LoggingEnabledFor("PRemoteDecoderManager", mozilla::ipc::ChildSide)) {
mozilla::ipc::LogMessageForProtocol(
"PRemoteDecoderManagerChild",
this->ToplevelProtocol()->OtherPidMaybeInvalid(),
"Sending ",
msg__->type(),
mozilla::ipc::MessageDirection::eSending);
}
AUTO_PROFILER_LABEL("PRemoteDecoderManager::Msg_PRemoteDecoderConstructor", OTHER);
bool sendok__ = ChannelSend(std::move(msg__));
// Warn, destroy the actor, and return null if the message failed to
// send. Otherwise, return the successfully created actor reference.
if (!sendok__) {
NS_WARNING("Error sending PRemoteDecoderChild constructor");
actor->ActorDisconnected(FailedConstructor);
return nullptr;
}
return actor;
}
auto PRemoteDecoderManagerChild::SendReadback(
const SurfaceDescriptorGPUVideo& sd,
SurfaceDescriptor* aResult) -> bool
{
UniquePtr<IPC::Message> msg__ = PRemoteDecoderManager::Msg_Readback(MSG_ROUTING_CONTROL);
IPC::MessageWriter writer__{
(*(msg__)),
this};
IPC::WriteParam((&(writer__)), sd);
// Sentinel = 'sd'
((&(writer__)))->WriteSentinel(21758168);
UniquePtr<Message> reply__;
if (mozilla::ipc::LoggingEnabledFor("PRemoteDecoderManager", mozilla::ipc::ChildSide)) {
mozilla::ipc::LogMessageForProtocol(
"PRemoteDecoderManagerChild",
this->ToplevelProtocol()->OtherPidMaybeInvalid(),
"Sending ",
msg__->type(),
mozilla::ipc::MessageDirection::eSending);
}
AUTO_PROFILER_LABEL("PRemoteDecoderManager::Msg_Readback", OTHER);
bool sendok__ = false;
{
AUTO_PROFILER_TRACING_MARKER("Sync IPC", "PRemoteDecoderManager::Msg_Readback", IPC);
sendok__ = ChannelSend(std::move(msg__), (&(reply__)));
}
if ((!(sendok__))) {
return false;
}
if (mozilla::ipc::LoggingEnabledFor("PRemoteDecoderManager", mozilla::ipc::ChildSide)) {
mozilla::ipc::LogMessageForProtocol(
"PRemoteDecoderManagerChild",
this->ToplevelProtocol()->OtherPidMaybeInvalid(),
"Received reply ",
reply__->type(),
mozilla::ipc::MessageDirection::eReceiving);
}
IPC::MessageReader reader__{
(*(reply__)),
this};
auto maybe__aResult__reply = IPC::ReadParam<SurfaceDescriptor>((&(reader__)));
if (!maybe__aResult__reply) {
FatalError("Error deserializing 'SurfaceDescriptor'");
return false;
}
auto& aResult__reply = *maybe__aResult__reply;
// Sentinel = 'aResult'
if ((!(((&(reader__)))->ReadSentinel(185205473)))) {
mozilla::ipc::SentinelReadError("Error deserializing 'SurfaceDescriptor'");
return false;
}
(*(aResult)) = std::move(aResult__reply);
reader__.EndRead();
return true;
}
auto PRemoteDecoderManagerChild::SendDeallocateSurfaceDescriptorGPUVideo(const SurfaceDescriptorGPUVideo& sd) -> bool
{
UniquePtr<IPC::Message> msg__ = PRemoteDecoderManager::Msg_DeallocateSurfaceDescriptorGPUVideo(MSG_ROUTING_CONTROL);
IPC::MessageWriter writer__{
(*(msg__)),
this};
IPC::WriteParam((&(writer__)), sd);
// Sentinel = 'sd'
((&(writer__)))->WriteSentinel(21758168);
if (mozilla::ipc::LoggingEnabledFor("PRemoteDecoderManager", mozilla::ipc::ChildSide)) {
mozilla::ipc::LogMessageForProtocol(
"PRemoteDecoderManagerChild",
this->ToplevelProtocol()->OtherPidMaybeInvalid(),
"Sending ",
msg__->type(),
mozilla::ipc::MessageDirection::eSending);
}
AUTO_PROFILER_LABEL("PRemoteDecoderManager::Msg_DeallocateSurfaceDescriptorGPUVideo", OTHER);
bool sendok__ = ChannelSend(std::move(msg__));
return sendok__;
}
auto PRemoteDecoderManagerChild::DeallocManagee(
int32_t aProtocolId,
IProtocol* aListener) -> void
{
switch (aProtocolId) {
case PRemoteDecoderMsgStart:
static_cast<RemoteDecoderManagerChild*>(this)->DeallocPRemoteDecoderChild(static_cast<PRemoteDecoderChild*>(aListener));
return;
case PMFMediaEngineMsgStart:
static_cast<RemoteDecoderManagerChild*>(this)->DeallocPMFMediaEngineChild(static_cast<PMFMediaEngineChild*>(aListener));
return;
case PMFCDMMsgStart:
static_cast<RemoteDecoderManagerChild*>(this)->DeallocPMFCDMChild(static_cast<PMFCDMChild*>(aListener));
return;
default:
FatalError("unreached");
return;
}
}
auto PRemoteDecoderManagerChild::OnMessageReceived(const Message& msg__) -> PRemoteDecoderManagerChild::Result
{
int32_t route__ = msg__.routing_id();
if (MSG_ROUTING_CONTROL != route__) {
IProtocol* routed__ = Lookup(route__);
if (!routed__ || !routed__->GetLifecycleProxy()) {
if (mozilla::ipc::LoggingEnabledFor("PRemoteDecoderManager", mozilla::ipc::ChildSide)) {
mozilla::ipc::LogMessageForProtocol(
"PRemoteDecoderManagerChild",
this->ToplevelProtocol()->OtherPidMaybeInvalid(),
"Ignored message for dead actor",
(&(msg__))->type(),
mozilla::ipc::MessageDirection::eSending);
}
return MsgProcessed;
}
RefPtr<mozilla::ipc::ActorLifecycleProxy> proxy__ =
routed__->GetLifecycleProxy();
return proxy__->Get()->OnMessageReceived(msg__);
}
switch (msg__.type()) {
case PRemoteDecoderManager::Reply_PMFMediaEngineConstructor__ID:
{
return MsgProcessed;
}
case PRemoteDecoderManager::Reply_PMFCDMConstructor__ID:
{
return MsgProcessed;
}
case PRemoteDecoderManager::Reply_PRemoteDecoderConstructor__ID:
{
return MsgProcessed;
}
default:
return MsgNotKnown;
case SHMEM_CREATED_MESSAGE_TYPE:
{
if (!ShmemCreated(msg__)) {
return MsgPayloadError;
}
return MsgProcessed;
}
case SHMEM_DESTROYED_MESSAGE_TYPE:
{
if (!ShmemDestroyed(msg__)) {
return MsgPayloadError;
}
return MsgProcessed;
}
}
}
auto PRemoteDecoderManagerChild::OnMessageReceived(
const Message& msg__,
UniquePtr<Message>& reply__) -> PRemoteDecoderManagerChild::Result
{
int32_t route__ = msg__.routing_id();
if (MSG_ROUTING_CONTROL != route__) {
IProtocol* routed__ = Lookup(route__);
if (!routed__ || !routed__->GetLifecycleProxy()) {
return MsgRouteError;
}
RefPtr<mozilla::ipc::ActorLifecycleProxy> proxy__ =
routed__->GetLifecycleProxy();
return proxy__->Get()->OnMessageReceived(msg__, reply__);
}
return MsgNotKnown;
}
} // namespace mozilla
namespace IPC {
auto ParamTraits<::mozilla::PRemoteDecoderManagerChild*>::Write(
IPC::MessageWriter* aWriter,
const paramType& aVar) -> void
{
MOZ_RELEASE_ASSERT(
aWriter->GetActor(),
"Cannot serialize managed actors without an actor");
int32_t id;
if (!aVar) {
id = 0; // kNullActorId
} else {
id = aVar->Id();
if (id == 1) { // kFreedActorId
aVar->FatalError("Actor has been |delete|d");
}
MOZ_RELEASE_ASSERT(
aWriter->GetActor()->GetIPCChannel() == aVar->GetIPCChannel(),
"Actor must be from the same channel as the"
" actor it's being sent over");
MOZ_RELEASE_ASSERT(
aVar->CanSend(),
"Actor must still be open when sending");
}
IPC::WriteParam(aWriter, id);
}
auto ParamTraits<::mozilla::PRemoteDecoderManagerChild*>::Read(IPC::MessageReader* aReader) -> IPC::ReadResult<paramType>
{
MOZ_RELEASE_ASSERT(
aReader->GetActor(),
"Cannot deserialize managed actors without an actor");
mozilla::Maybe<mozilla::ipc::IProtocol*> actor = aReader->GetActor()
->ReadActor(aReader, true, "PRemoteDecoderManager", PRemoteDecoderManagerMsgStart);
if (actor.isSome()) {
return static_cast<::mozilla::PRemoteDecoderManagerChild*>(actor.ref());
}
return {};
}
} // namespace IPC