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f8100451db
We will use the new type for the generated IPDL message handler prototype to make sure correct error handling method is called. MozReview-Commit-ID: AzVbApxFGZ0
321 lines
9.0 KiB
C++
321 lines
9.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "GMPContentChild.h"
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#include "GMPChild.h"
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#include "GMPAudioDecoderChild.h"
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#include "GMPDecryptorChild.h"
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#include "GMPVideoDecoderChild.h"
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#include "GMPVideoEncoderChild.h"
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#include "base/task.h"
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namespace mozilla {
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namespace gmp {
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GMPContentChild::GMPContentChild(GMPChild* aChild)
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: mGMPChild(aChild)
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{
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MOZ_COUNT_CTOR(GMPContentChild);
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}
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GMPContentChild::~GMPContentChild()
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{
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MOZ_COUNT_DTOR(GMPContentChild);
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}
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MessageLoop*
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GMPContentChild::GMPMessageLoop()
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{
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return mGMPChild->GMPMessageLoop();
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}
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void
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GMPContentChild::CheckThread()
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{
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MOZ_ASSERT(mGMPChild->mGMPMessageLoop == MessageLoop::current());
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}
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void
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GMPContentChild::ActorDestroy(ActorDestroyReason aWhy)
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{
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mGMPChild->GMPContentChildActorDestroy(this);
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}
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void
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GMPContentChild::ProcessingError(Result aCode, const char* aReason)
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{
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mGMPChild->ProcessingError(aCode, aReason);
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}
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PGMPAudioDecoderChild*
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GMPContentChild::AllocPGMPAudioDecoderChild()
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{
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return new GMPAudioDecoderChild(this);
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}
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bool
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GMPContentChild::DeallocPGMPAudioDecoderChild(PGMPAudioDecoderChild* aActor)
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{
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delete aActor;
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return true;
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}
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PGMPDecryptorChild*
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GMPContentChild::AllocPGMPDecryptorChild()
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{
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GMPDecryptorChild* actor = new GMPDecryptorChild(this,
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mGMPChild->mPluginVoucher,
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mGMPChild->mSandboxVoucher);
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actor->AddRef();
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return actor;
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}
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bool
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GMPContentChild::DeallocPGMPDecryptorChild(PGMPDecryptorChild* aActor)
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{
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static_cast<GMPDecryptorChild*>(aActor)->Release();
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return true;
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}
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PGMPVideoDecoderChild*
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GMPContentChild::AllocPGMPVideoDecoderChild(const uint32_t& aDecryptorId)
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{
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GMPVideoDecoderChild* actor = new GMPVideoDecoderChild(this);
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actor->AddRef();
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return actor;
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}
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bool
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GMPContentChild::DeallocPGMPVideoDecoderChild(PGMPVideoDecoderChild* aActor)
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{
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static_cast<GMPVideoDecoderChild*>(aActor)->Release();
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return true;
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}
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PGMPVideoEncoderChild*
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GMPContentChild::AllocPGMPVideoEncoderChild()
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{
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GMPVideoEncoderChild* actor = new GMPVideoEncoderChild(this);
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actor->AddRef();
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return actor;
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}
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bool
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GMPContentChild::DeallocPGMPVideoEncoderChild(PGMPVideoEncoderChild* aActor)
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{
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static_cast<GMPVideoEncoderChild*>(aActor)->Release();
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return true;
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}
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// Adapts GMPDecryptor7 to the current GMPDecryptor version.
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class GMPDecryptor7BackwardsCompat : public GMPDecryptor {
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public:
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explicit GMPDecryptor7BackwardsCompat(GMPDecryptor7* aDecryptorV7)
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: mDecryptorV7(aDecryptorV7)
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{
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}
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void Init(GMPDecryptorCallback* aCallback,
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bool aDistinctiveIdentifierRequired,
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bool aPersistentStateRequired) override
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{
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// Distinctive identifier and persistent state arguments not present
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// in v7 interface.
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mDecryptorV7->Init(aCallback);
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}
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void CreateSession(uint32_t aCreateSessionToken,
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uint32_t aPromiseId,
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const char* aInitDataType,
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uint32_t aInitDataTypeSize,
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const uint8_t* aInitData,
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uint32_t aInitDataSize,
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GMPSessionType aSessionType) override
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{
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mDecryptorV7->CreateSession(aCreateSessionToken,
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aPromiseId,
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aInitDataType,
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aInitDataTypeSize,
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aInitData,
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aInitDataSize,
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aSessionType);
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}
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void LoadSession(uint32_t aPromiseId,
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const char* aSessionId,
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uint32_t aSessionIdLength) override
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{
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mDecryptorV7->LoadSession(aPromiseId, aSessionId, aSessionIdLength);
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}
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void UpdateSession(uint32_t aPromiseId,
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const char* aSessionId,
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uint32_t aSessionIdLength,
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const uint8_t* aResponse,
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uint32_t aResponseSize) override
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{
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mDecryptorV7->UpdateSession(aPromiseId,
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aSessionId,
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aSessionIdLength,
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aResponse,
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aResponseSize);
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}
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void CloseSession(uint32_t aPromiseId,
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const char* aSessionId,
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uint32_t aSessionIdLength) override
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{
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mDecryptorV7->CloseSession(aPromiseId, aSessionId, aSessionIdLength);
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}
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void RemoveSession(uint32_t aPromiseId,
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const char* aSessionId,
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uint32_t aSessionIdLength) override
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{
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mDecryptorV7->RemoveSession(aPromiseId, aSessionId, aSessionIdLength);
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}
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void SetServerCertificate(uint32_t aPromiseId,
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const uint8_t* aServerCert,
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uint32_t aServerCertSize) override
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{
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mDecryptorV7->SetServerCertificate(aPromiseId, aServerCert, aServerCertSize);
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}
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void Decrypt(GMPBuffer* aBuffer,
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GMPEncryptedBufferMetadata* aMetadata) override
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{
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mDecryptorV7->Decrypt(aBuffer, aMetadata);
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}
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void DecryptingComplete() override
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{
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mDecryptorV7->DecryptingComplete();
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delete this;
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}
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private:
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GMPDecryptor7* mDecryptorV7;
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};
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mozilla::ipc::IPCResult
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GMPContentChild::RecvPGMPDecryptorConstructor(PGMPDecryptorChild* aActor)
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{
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GMPDecryptorChild* child = static_cast<GMPDecryptorChild*>(aActor);
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GMPDecryptorHost* host = static_cast<GMPDecryptorHost*>(child);
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void* ptr = nullptr;
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GMPErr err = mGMPChild->GetAPI(GMP_API_DECRYPTOR, host, &ptr, aActor->Id());
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GMPDecryptor* decryptor = nullptr;
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if (GMP_SUCCEEDED(err) && ptr) {
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decryptor = static_cast<GMPDecryptor*>(ptr);
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} else if (err != GMPNoErr) {
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// We Adapt the previous GMPDecryptor version to the current, so that
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// Gecko thinks it's only talking to the current version. v7 differs
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// from v9 in its Init() function arguments, and v9 has extra enumeration
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// members at the end of the key status enumerations.
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err = mGMPChild->GetAPI(GMP_API_DECRYPTOR_BACKWARDS_COMPAT, host, &ptr);
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if (err != GMPNoErr || !ptr) {
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return IPC_FAIL_NO_REASON(this);
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}
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decryptor = new GMPDecryptor7BackwardsCompat(static_cast<GMPDecryptor7*>(ptr));
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}
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child->Init(decryptor);
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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GMPContentChild::RecvPGMPAudioDecoderConstructor(PGMPAudioDecoderChild* aActor)
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{
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auto vdc = static_cast<GMPAudioDecoderChild*>(aActor);
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void* vd = nullptr;
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GMPErr err = mGMPChild->GetAPI(GMP_API_AUDIO_DECODER, &vdc->Host(), &vd);
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if (err != GMPNoErr || !vd) {
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return IPC_FAIL_NO_REASON(this);
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}
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vdc->Init(static_cast<GMPAudioDecoder*>(vd));
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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GMPContentChild::RecvPGMPVideoDecoderConstructor(PGMPVideoDecoderChild* aActor,
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const uint32_t& aDecryptorId)
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{
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auto vdc = static_cast<GMPVideoDecoderChild*>(aActor);
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void* vd = nullptr;
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GMPErr err = mGMPChild->GetAPI(GMP_API_VIDEO_DECODER, &vdc->Host(), &vd, aDecryptorId);
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if (err != GMPNoErr || !vd) {
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NS_WARNING("GMPGetAPI call failed trying to construct decoder.");
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return IPC_FAIL_NO_REASON(this);
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}
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vdc->Init(static_cast<GMPVideoDecoder*>(vd));
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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GMPContentChild::RecvPGMPVideoEncoderConstructor(PGMPVideoEncoderChild* aActor)
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{
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auto vec = static_cast<GMPVideoEncoderChild*>(aActor);
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void* ve = nullptr;
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GMPErr err = mGMPChild->GetAPI(GMP_API_VIDEO_ENCODER, &vec->Host(), &ve);
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if (err != GMPNoErr || !ve) {
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NS_WARNING("GMPGetAPI call failed trying to construct encoder.");
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return IPC_FAIL_NO_REASON(this);
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}
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vec->Init(static_cast<GMPVideoEncoder*>(ve));
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return IPC_OK();
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}
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void
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GMPContentChild::CloseActive()
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{
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// Invalidate and remove any remaining API objects.
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const ManagedContainer<PGMPAudioDecoderChild>& audioDecoders =
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ManagedPGMPAudioDecoderChild();
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for (auto iter = audioDecoders.ConstIter(); !iter.Done(); iter.Next()) {
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iter.Get()->GetKey()->SendShutdown();
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}
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const ManagedContainer<PGMPDecryptorChild>& decryptors =
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ManagedPGMPDecryptorChild();
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for (auto iter = decryptors.ConstIter(); !iter.Done(); iter.Next()) {
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iter.Get()->GetKey()->SendShutdown();
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}
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const ManagedContainer<PGMPVideoDecoderChild>& videoDecoders =
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ManagedPGMPVideoDecoderChild();
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for (auto iter = videoDecoders.ConstIter(); !iter.Done(); iter.Next()) {
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iter.Get()->GetKey()->SendShutdown();
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}
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const ManagedContainer<PGMPVideoEncoderChild>& videoEncoders =
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ManagedPGMPVideoEncoderChild();
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for (auto iter = videoEncoders.ConstIter(); !iter.Done(); iter.Next()) {
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iter.Get()->GetKey()->SendShutdown();
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}
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}
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bool
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GMPContentChild::IsUsed()
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{
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return !ManagedPGMPAudioDecoderChild().IsEmpty() ||
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!ManagedPGMPDecryptorChild().IsEmpty() ||
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!ManagedPGMPVideoDecoderChild().IsEmpty() ||
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!ManagedPGMPVideoEncoderChild().IsEmpty();
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}
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} // namespace gmp
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} // namespace mozilla
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