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-rw-r--r--dom/media/gmp/GMPContentChild.cpp131
1 files changed, 131 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPContentChild.cpp b/dom/media/gmp/GMPContentChild.cpp
new file mode 100644
index 0000000000..85fc6e7a70
--- /dev/null
+++ b/dom/media/gmp/GMPContentChild.cpp
@@ -0,0 +1,131 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "GMPContentChild.h"
+#include "GMPChild.h"
+#include "GMPVideoDecoderChild.h"
+#include "GMPVideoEncoderChild.h"
+#include "ChromiumCDMChild.h"
+#include "base/task.h"
+#include "GMPUtils.h"
+
+namespace mozilla::gmp {
+
+MessageLoop* GMPContentChild::GMPMessageLoop() {
+ return mGMPChild->GMPMessageLoop();
+}
+
+void GMPContentChild::CheckThread() {
+ MOZ_ASSERT(mGMPChild->mGMPMessageLoop == MessageLoop::current());
+}
+
+#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
+mozilla::ipc::IPCResult GMPContentChild::RecvInitSandboxTesting(
+ Endpoint<PSandboxTestingChild>&& aEndpoint) {
+ if (!SandboxTestingChild::Initialize(std::move(aEndpoint))) {
+ return IPC_FAIL(
+ this, "InitSandboxTesting failed to initialise the child process.");
+ }
+ return IPC_OK();
+}
+#endif
+
+void GMPContentChild::ActorDestroy(ActorDestroyReason aWhy) {
+ mGMPChild->GMPContentChildActorDestroy(this);
+}
+
+void GMPContentChild::ProcessingError(Result aCode, const char* aReason) {
+ mGMPChild->ProcessingError(aCode, aReason);
+}
+
+already_AddRefed<PGMPVideoDecoderChild>
+GMPContentChild::AllocPGMPVideoDecoderChild() {
+ return MakeAndAddRef<GMPVideoDecoderChild>(this);
+}
+
+already_AddRefed<PGMPVideoEncoderChild>
+GMPContentChild::AllocPGMPVideoEncoderChild() {
+ return MakeAndAddRef<GMPVideoEncoderChild>(this);
+}
+
+already_AddRefed<PChromiumCDMChild> GMPContentChild::AllocPChromiumCDMChild(
+ const nsACString& aKeySystem) {
+ return MakeAndAddRef<ChromiumCDMChild>(this);
+}
+
+mozilla::ipc::IPCResult GMPContentChild::RecvPGMPVideoDecoderConstructor(
+ PGMPVideoDecoderChild* aActor) {
+ auto vdc = static_cast<GMPVideoDecoderChild*>(aActor);
+
+ void* vd = nullptr;
+ GMPErr err = mGMPChild->GetAPI(GMP_API_VIDEO_DECODER, &vdc->Host(), &vd);
+ if (err != GMPNoErr || !vd) {
+ return IPC_FAIL(this, "GMPGetAPI call failed trying to construct decoder.");
+ }
+
+ vdc->Init(static_cast<GMPVideoDecoder*>(vd));
+
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult GMPContentChild::RecvPGMPVideoEncoderConstructor(
+ PGMPVideoEncoderChild* aActor) {
+ auto vec = static_cast<GMPVideoEncoderChild*>(aActor);
+
+ void* ve = nullptr;
+ GMPErr err = mGMPChild->GetAPI(GMP_API_VIDEO_ENCODER, &vec->Host(), &ve);
+ if (err != GMPNoErr || !ve) {
+ return IPC_FAIL(this, "GMPGetAPI call failed trying to construct encoder.");
+ }
+
+ vec->Init(static_cast<GMPVideoEncoder*>(ve));
+
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult GMPContentChild::RecvPChromiumCDMConstructor(
+ PChromiumCDMChild* aActor, const nsACString& aKeySystem) {
+ ChromiumCDMChild* child = static_cast<ChromiumCDMChild*>(aActor);
+ cdm::Host_10* host10 = child;
+
+ void* cdm = nullptr;
+ GMPErr err = mGMPChild->GetAPI(CHROMIUM_CDM_API, host10, &cdm, aKeySystem);
+ if (err != GMPNoErr || !cdm) {
+ return IPC_FAIL(this, "GMPGetAPI call failed trying to get CDM.");
+ }
+
+ child->Init(static_cast<cdm::ContentDecryptionModule_10*>(cdm),
+ mGMPChild->mStorageId);
+
+ return IPC_OK();
+}
+
+void GMPContentChild::CloseActive() {
+ // Invalidate and remove any remaining API objects.
+ const ManagedContainer<PGMPVideoDecoderChild>& videoDecoders =
+ ManagedPGMPVideoDecoderChild();
+ for (const auto& key : videoDecoders) {
+ key->SendShutdown();
+ }
+
+ const ManagedContainer<PGMPVideoEncoderChild>& videoEncoders =
+ ManagedPGMPVideoEncoderChild();
+ for (const auto& key : videoEncoders) {
+ key->SendShutdown();
+ }
+
+ const ManagedContainer<PChromiumCDMChild>& cdms = ManagedPChromiumCDMChild();
+ for (const auto& key : cdms) {
+ key->SendShutdown();
+ }
+}
+
+bool GMPContentChild::IsUsed() {
+ return !ManagedPGMPVideoDecoderChild().IsEmpty() ||
+ !ManagedPGMPVideoEncoderChild().IsEmpty() ||
+ !ManagedPChromiumCDMChild().IsEmpty();
+}
+
+} // namespace mozilla::gmp