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Diffstat (limited to 'dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp')
-rw-r--r--dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp306
1 files changed, 0 insertions, 306 deletions
diff --git a/dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp b/dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp
deleted file mode 100644
index a293824608..0000000000
--- a/dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp
+++ /dev/null
@@ -1,306 +0,0 @@
-/* -*- 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 "EMEDecoderModule.h"
-#include "EMEAudioDecoder.h"
-#include "EMEVideoDecoder.h"
-#include "MediaDataDecoderProxy.h"
-#include "mozIGeckoMediaPluginService.h"
-#include "mozilla/CDMProxy.h"
-#include "mozilla/Unused.h"
-#include "nsAutoPtr.h"
-#include "nsServiceManagerUtils.h"
-#include "MediaInfo.h"
-#include "nsClassHashtable.h"
-#include "GMPDecoderModule.h"
-#include "MP4Decoder.h"
-
-namespace mozilla {
-
-typedef MozPromiseRequestHolder<CDMProxy::DecryptPromise> DecryptPromiseRequestHolder;
-
-class EMEDecryptor : public MediaDataDecoder {
-
-public:
-
- EMEDecryptor(MediaDataDecoder* aDecoder,
- MediaDataDecoderCallback* aCallback,
- CDMProxy* aProxy,
- TaskQueue* aDecodeTaskQueue)
- : mDecoder(aDecoder)
- , mCallback(aCallback)
- , mTaskQueue(aDecodeTaskQueue)
- , mProxy(aProxy)
- , mSamplesWaitingForKey(new SamplesWaitingForKey(this, this->mCallback,
- mTaskQueue, mProxy))
- , mIsShutdown(false)
- {
- }
-
- RefPtr<InitPromise> Init() override {
- MOZ_ASSERT(!mIsShutdown);
- return mDecoder->Init();
- }
-
- void Input(MediaRawData* aSample) override {
- MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
- if (mIsShutdown) {
- NS_WARNING("EME encrypted sample arrived after shutdown");
- return;
- }
- if (mSamplesWaitingForKey->WaitIfKeyNotUsable(aSample)) {
- return;
- }
-
- nsAutoPtr<MediaRawDataWriter> writer(aSample->CreateWriter());
- mProxy->GetSessionIdsForKeyId(aSample->mCrypto.mKeyId,
- writer->mCrypto.mSessionIds);
-
- mDecrypts.Put(aSample, new DecryptPromiseRequestHolder());
- mDecrypts.Get(aSample)->Begin(mProxy->Decrypt(aSample)->Then(
- mTaskQueue, __func__, this,
- &EMEDecryptor::Decrypted,
- &EMEDecryptor::Decrypted));
- return;
- }
-
- void Decrypted(const DecryptResult& aDecrypted) {
- MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
- MOZ_ASSERT(aDecrypted.mSample);
-
- nsAutoPtr<DecryptPromiseRequestHolder> holder;
- mDecrypts.RemoveAndForget(aDecrypted.mSample, holder);
- if (holder) {
- holder->Complete();
- } else {
- // Decryption is not in the list of decrypt operations waiting
- // for a result. It must have been flushed or drained. Ignore result.
- return;
- }
-
- if (mIsShutdown) {
- NS_WARNING("EME decrypted sample arrived after shutdown");
- return;
- }
-
- if (aDecrypted.mStatus == NoKeyErr) {
- // Key became unusable after we sent the sample to CDM to decrypt.
- // Call Input() again, so that the sample is enqueued for decryption
- // if the key becomes usable again.
- Input(aDecrypted.mSample);
- } else if (aDecrypted.mStatus != Ok) {
- if (mCallback) {
- mCallback->Error(MediaResult(
- NS_ERROR_DOM_MEDIA_FATAL_ERR,
- RESULT_DETAIL("decrypted.mStatus=%u", uint32_t(aDecrypted.mStatus))));
- }
- } else {
- MOZ_ASSERT(!mIsShutdown);
- // The Adobe GMP AAC decoder gets confused if we pass it non-encrypted
- // samples with valid crypto data. So clear the crypto data, since the
- // sample should be decrypted now anyway. If we don't do this and we're
- // using the Adobe GMP for unencrypted decoding of data that is decrypted
- // by gmp-clearkey, decoding will fail.
- UniquePtr<MediaRawDataWriter> writer(aDecrypted.mSample->CreateWriter());
- writer->mCrypto = CryptoSample();
- mDecoder->Input(aDecrypted.mSample);
- }
- }
-
- void Flush() override {
- MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
- MOZ_ASSERT(!mIsShutdown);
- for (auto iter = mDecrypts.Iter(); !iter.Done(); iter.Next()) {
- nsAutoPtr<DecryptPromiseRequestHolder>& holder = iter.Data();
- holder->DisconnectIfExists();
- iter.Remove();
- }
- mDecoder->Flush();
- mSamplesWaitingForKey->Flush();
- }
-
- void Drain() override {
- MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
- MOZ_ASSERT(!mIsShutdown);
- for (auto iter = mDecrypts.Iter(); !iter.Done(); iter.Next()) {
- nsAutoPtr<DecryptPromiseRequestHolder>& holder = iter.Data();
- holder->DisconnectIfExists();
- iter.Remove();
- }
- mDecoder->Drain();
- }
-
- void Shutdown() override {
- MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn());
- MOZ_ASSERT(!mIsShutdown);
- mIsShutdown = true;
- mDecoder->Shutdown();
- mSamplesWaitingForKey->BreakCycles();
- mSamplesWaitingForKey = nullptr;
- mDecoder = nullptr;
- mProxy = nullptr;
- mCallback = nullptr;
- }
-
- const char* GetDescriptionName() const override {
- return mDecoder->GetDescriptionName();
- }
-
-private:
-
- RefPtr<MediaDataDecoder> mDecoder;
- MediaDataDecoderCallback* mCallback;
- RefPtr<TaskQueue> mTaskQueue;
- RefPtr<CDMProxy> mProxy;
- nsClassHashtable<nsRefPtrHashKey<MediaRawData>, DecryptPromiseRequestHolder> mDecrypts;
- RefPtr<SamplesWaitingForKey> mSamplesWaitingForKey;
- bool mIsShutdown;
-};
-
-class EMEMediaDataDecoderProxy : public MediaDataDecoderProxy {
-public:
- EMEMediaDataDecoderProxy(already_AddRefed<AbstractThread> aProxyThread,
- MediaDataDecoderCallback* aCallback,
- CDMProxy* aProxy,
- TaskQueue* aTaskQueue)
- : MediaDataDecoderProxy(Move(aProxyThread), aCallback)
- , mSamplesWaitingForKey(new SamplesWaitingForKey(this, aCallback,
- aTaskQueue, aProxy))
- , mProxy(aProxy)
- {
- }
-
- void Input(MediaRawData* aSample) override;
- void Shutdown() override;
-
-private:
- RefPtr<SamplesWaitingForKey> mSamplesWaitingForKey;
- RefPtr<CDMProxy> mProxy;
-};
-
-void
-EMEMediaDataDecoderProxy::Input(MediaRawData* aSample)
-{
- if (mSamplesWaitingForKey->WaitIfKeyNotUsable(aSample)) {
- return;
- }
-
- nsAutoPtr<MediaRawDataWriter> writer(aSample->CreateWriter());
- mProxy->GetSessionIdsForKeyId(aSample->mCrypto.mKeyId,
- writer->mCrypto.mSessionIds);
-
- MediaDataDecoderProxy::Input(aSample);
-}
-
-void
-EMEMediaDataDecoderProxy::Shutdown()
-{
- MediaDataDecoderProxy::Shutdown();
-
- mSamplesWaitingForKey->BreakCycles();
- mSamplesWaitingForKey = nullptr;
- mProxy = nullptr;
-}
-
-EMEDecoderModule::EMEDecoderModule(CDMProxy* aProxy, PDMFactory* aPDM)
- : mProxy(aProxy)
- , mPDM(aPDM)
-{
-}
-
-EMEDecoderModule::~EMEDecoderModule()
-{
-}
-
-static already_AddRefed<MediaDataDecoderProxy>
-CreateDecoderWrapper(MediaDataDecoderCallback* aCallback, CDMProxy* aProxy, TaskQueue* aTaskQueue)
-{
- RefPtr<gmp::GeckoMediaPluginService> s(gmp::GeckoMediaPluginService::GetGeckoMediaPluginService());
- if (!s) {
- return nullptr;
- }
- RefPtr<AbstractThread> thread(s->GetAbstractGMPThread());
- if (!thread) {
- return nullptr;
- }
- RefPtr<MediaDataDecoderProxy> decoder(
- new EMEMediaDataDecoderProxy(thread.forget(), aCallback, aProxy, aTaskQueue));
- return decoder.forget();
-}
-
-already_AddRefed<MediaDataDecoder>
-EMEDecoderModule::CreateVideoDecoder(const CreateDecoderParams& aParams)
-{
- MOZ_ASSERT(aParams.mConfig.mCrypto.mValid);
-
- if (SupportsMimeType(aParams.mConfig.mMimeType, nullptr)) {
- // GMP decodes. Assume that means it can decrypt too.
- RefPtr<MediaDataDecoderProxy> wrapper =
- CreateDecoderWrapper(aParams.mCallback, mProxy, aParams.mTaskQueue);
- auto params = GMPVideoDecoderParams(aParams).WithCallback(wrapper);
- wrapper->SetProxyTarget(new EMEVideoDecoder(mProxy, params));
- return wrapper.forget();
- }
-
- MOZ_ASSERT(mPDM);
- RefPtr<MediaDataDecoder> decoder(mPDM->CreateDecoder(aParams));
- if (!decoder) {
- return nullptr;
- }
-
- RefPtr<MediaDataDecoder> emeDecoder(new EMEDecryptor(decoder,
- aParams.mCallback,
- mProxy,
- AbstractThread::GetCurrent()->AsTaskQueue()));
- return emeDecoder.forget();
-}
-
-already_AddRefed<MediaDataDecoder>
-EMEDecoderModule::CreateAudioDecoder(const CreateDecoderParams& aParams)
-{
- MOZ_ASSERT(aParams.mConfig.mCrypto.mValid);
-
- if (SupportsMimeType(aParams.mConfig.mMimeType, nullptr)) {
- // GMP decodes. Assume that means it can decrypt too.
- RefPtr<MediaDataDecoderProxy> wrapper =
- CreateDecoderWrapper(aParams.mCallback, mProxy, aParams.mTaskQueue);
- auto gmpParams = GMPAudioDecoderParams(aParams).WithCallback(wrapper);
- wrapper->SetProxyTarget(new EMEAudioDecoder(mProxy, gmpParams));
- return wrapper.forget();
- }
-
- MOZ_ASSERT(mPDM);
- RefPtr<MediaDataDecoder> decoder(mPDM->CreateDecoder(aParams));
- if (!decoder) {
- return nullptr;
- }
-
- RefPtr<MediaDataDecoder> emeDecoder(new EMEDecryptor(decoder,
- aParams.mCallback,
- mProxy,
- AbstractThread::GetCurrent()->AsTaskQueue()));
- return emeDecoder.forget();
-}
-
-PlatformDecoderModule::ConversionRequired
-EMEDecoderModule::DecoderNeedsConversion(const TrackInfo& aConfig) const
-{
- if (aConfig.IsVideo() && MP4Decoder::IsH264(aConfig.mMimeType)) {
- return ConversionRequired::kNeedAVCC;
- } else {
- return ConversionRequired::kNeedNone;
- }
-}
-
-bool
-EMEDecoderModule::SupportsMimeType(const nsACString& aMimeType,
- DecoderDoctorDiagnostics* aDiagnostics) const
-{
- Maybe<nsCString> gmp;
- gmp.emplace(NS_ConvertUTF16toUTF8(mProxy->KeySystem()));
- return GMPDecoderModule::SupportsMimeType(aMimeType, gmp);
-}
-
-} // namespace mozilla
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