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-rw-r--r--dom/media/platforms/agnostic/eme/EMEAudioDecoder.cpp44
-rw-r--r--dom/media/platforms/agnostic/eme/EMEAudioDecoder.h37
-rw-r--r--dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp307
-rw-r--r--dom/media/platforms/agnostic/eme/EMEDecoderModule.h52
-rw-r--r--dom/media/platforms/agnostic/eme/EMEVideoDecoder.cpp68
-rw-r--r--dom/media/platforms/agnostic/eme/EMEVideoDecoder.h45
-rw-r--r--dom/media/platforms/agnostic/eme/SamplesWaitingForKey.cpp86
-rw-r--r--dom/media/platforms/agnostic/eme/SamplesWaitingForKey.h58
-rw-r--r--dom/media/platforms/agnostic/eme/moz.build23
9 files changed, 720 insertions, 0 deletions
diff --git a/dom/media/platforms/agnostic/eme/EMEAudioDecoder.cpp b/dom/media/platforms/agnostic/eme/EMEAudioDecoder.cpp
new file mode 100644
index 000000000..25e502025
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/EMEAudioDecoder.cpp
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 "EMEAudioDecoder.h"
+#include "mozilla/CDMProxy.h"
+
+namespace mozilla {
+
+void
+EMEAudioCallbackAdapter::Error(GMPErr aErr)
+{
+ if (aErr == GMPNoKeyErr) {
+ // The GMP failed to decrypt a frame due to not having a key. This can
+ // happen if a key expires or a session is closed during playback.
+ NS_WARNING("GMP failed to decrypt due to lack of key");
+ return;
+ }
+ AudioCallbackAdapter::Error(aErr);
+}
+
+EMEAudioDecoder::EMEAudioDecoder(CDMProxy* aProxy,
+ const GMPAudioDecoderParams& aParams)
+ : GMPAudioDecoder(GMPAudioDecoderParams(aParams).WithAdapter(
+ new EMEAudioCallbackAdapter(aParams.mCallback)))
+ , mProxy(aProxy)
+{}
+
+void
+EMEAudioDecoder::InitTags(nsTArray<nsCString>& aTags)
+{
+ aTags.AppendElement(NS_LITERAL_CSTRING("aac"));
+ aTags.AppendElement(NS_ConvertUTF16toUTF8(mProxy->KeySystem()));
+}
+
+nsCString
+EMEAudioDecoder::GetNodeId()
+{
+ return mProxy->GetNodeId();
+}
+
+} // namespace mozilla
diff --git a/dom/media/platforms/agnostic/eme/EMEAudioDecoder.h b/dom/media/platforms/agnostic/eme/EMEAudioDecoder.h
new file mode 100644
index 000000000..c5944cf8c
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/EMEAudioDecoder.h
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+#ifndef EMEAudioDecoder_h_
+#define EMEAudioDecoder_h_
+
+#include "GMPAudioDecoder.h"
+#include "PlatformDecoderModule.h"
+
+namespace mozilla {
+
+class EMEAudioCallbackAdapter : public AudioCallbackAdapter {
+public:
+ explicit EMEAudioCallbackAdapter(MediaDataDecoderCallbackProxy* aCallback)
+ : AudioCallbackAdapter(aCallback)
+ {}
+
+ void Error(GMPErr aErr) override;
+};
+
+class EMEAudioDecoder : public GMPAudioDecoder {
+public:
+ EMEAudioDecoder(CDMProxy* aProxy, const GMPAudioDecoderParams& aParams);
+
+private:
+ void InitTags(nsTArray<nsCString>& aTags) override;
+ nsCString GetNodeId() override;
+
+ RefPtr<CDMProxy> mProxy;
+};
+
+} // namespace mozilla
+
+#endif
diff --git a/dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp b/dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp
new file mode 100644
index 000000000..7d523d926
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/EMEDecoderModule.cpp
@@ -0,0 +1,307 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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
diff --git a/dom/media/platforms/agnostic/eme/EMEDecoderModule.h b/dom/media/platforms/agnostic/eme/EMEDecoderModule.h
new file mode 100644
index 000000000..32074ae8c
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/EMEDecoderModule.h
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+#if !defined(EMEDecoderModule_h_)
+#define EMEDecoderModule_h_
+
+#include "PlatformDecoderModule.h"
+#include "PDMFactory.h"
+#include "gmp-decryption.h"
+
+namespace mozilla {
+
+class CDMProxy;
+
+class EMEDecoderModule : public PlatformDecoderModule {
+private:
+
+public:
+ EMEDecoderModule(CDMProxy* aProxy, PDMFactory* aPDM);
+
+ virtual ~EMEDecoderModule();
+
+protected:
+ // Decode thread.
+ already_AddRefed<MediaDataDecoder>
+ CreateVideoDecoder(const CreateDecoderParams& aParams) override;
+
+ // Decode thread.
+ already_AddRefed<MediaDataDecoder>
+ CreateAudioDecoder(const CreateDecoderParams& aParams) override;
+
+ ConversionRequired
+ DecoderNeedsConversion(const TrackInfo& aConfig) const override;
+
+ bool
+ SupportsMimeType(const nsACString& aMimeType,
+ DecoderDoctorDiagnostics* aDiagnostics) const override;
+
+private:
+ RefPtr<CDMProxy> mProxy;
+ // Will be null if CDM has decoding capability.
+ RefPtr<PDMFactory> mPDM;
+ // We run the PDM on its own task queue.
+ RefPtr<TaskQueue> mTaskQueue;
+};
+
+} // namespace mozilla
+
+#endif // EMEDecoderModule_h_
diff --git a/dom/media/platforms/agnostic/eme/EMEVideoDecoder.cpp b/dom/media/platforms/agnostic/eme/EMEVideoDecoder.cpp
new file mode 100644
index 000000000..bddb89660
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/EMEVideoDecoder.cpp
@@ -0,0 +1,68 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 "EMEVideoDecoder.h"
+#include "GMPVideoEncodedFrameImpl.h"
+#include "mozilla/CDMProxy.h"
+#include "MediaData.h"
+#include "MP4Decoder.h"
+#include "VPXDecoder.h"
+
+namespace mozilla {
+
+void
+EMEVideoCallbackAdapter::Error(GMPErr aErr)
+{
+ if (aErr == GMPNoKeyErr) {
+ // The GMP failed to decrypt a frame due to not having a key. This can
+ // happen if a key expires or a session is closed during playback.
+ NS_WARNING("GMP failed to decrypt due to lack of key");
+ return;
+ }
+ VideoCallbackAdapter::Error(aErr);
+}
+
+EMEVideoDecoder::EMEVideoDecoder(CDMProxy* aProxy,
+ const GMPVideoDecoderParams& aParams)
+ : GMPVideoDecoder(GMPVideoDecoderParams(aParams).WithAdapter(
+ new EMEVideoCallbackAdapter(aParams.mCallback,
+ VideoInfo(aParams.mConfig.mDisplay),
+ aParams.mImageContainer)))
+ , mProxy(aProxy)
+ , mDecryptorId(aProxy->GetDecryptorId())
+{}
+
+void
+EMEVideoDecoder::InitTags(nsTArray<nsCString>& aTags)
+{
+ VideoInfo config = GetConfig();
+ if (MP4Decoder::IsH264(config.mMimeType)) {
+ aTags.AppendElement(NS_LITERAL_CSTRING("h264"));
+ } else if (VPXDecoder::IsVP8(config.mMimeType)) {
+ aTags.AppendElement(NS_LITERAL_CSTRING("vp8"));
+ } else if (VPXDecoder::IsVP9(config.mMimeType)) {
+ aTags.AppendElement(NS_LITERAL_CSTRING("vp9"));
+ }
+ aTags.AppendElement(NS_ConvertUTF16toUTF8(mProxy->KeySystem()));
+}
+
+nsCString
+EMEVideoDecoder::GetNodeId()
+{
+ return mProxy->GetNodeId();
+}
+
+GMPUniquePtr<GMPVideoEncodedFrame>
+EMEVideoDecoder::CreateFrame(MediaRawData* aSample)
+{
+ GMPUniquePtr<GMPVideoEncodedFrame> frame = GMPVideoDecoder::CreateFrame(aSample);
+ if (frame && aSample->mCrypto.mValid) {
+ static_cast<gmp::GMPVideoEncodedFrameImpl*>(frame.get())->InitCrypto(aSample->mCrypto);
+ }
+ return frame;
+}
+
+} // namespace mozilla
diff --git a/dom/media/platforms/agnostic/eme/EMEVideoDecoder.h b/dom/media/platforms/agnostic/eme/EMEVideoDecoder.h
new file mode 100644
index 000000000..a0f23f867
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/EMEVideoDecoder.h
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+#ifndef EMEVideoDecoder_h_
+#define EMEVideoDecoder_h_
+
+#include "GMPVideoDecoder.h"
+#include "PlatformDecoderModule.h"
+
+namespace mozilla {
+
+class CDMProxy;
+class TaskQueue;
+
+class EMEVideoCallbackAdapter : public VideoCallbackAdapter {
+public:
+ EMEVideoCallbackAdapter(MediaDataDecoderCallbackProxy* aCallback,
+ VideoInfo aVideoInfo,
+ layers::ImageContainer* aImageContainer)
+ : VideoCallbackAdapter(aCallback, aVideoInfo, aImageContainer)
+ {}
+
+ void Error(GMPErr aErr) override;
+};
+
+class EMEVideoDecoder : public GMPVideoDecoder {
+public:
+ EMEVideoDecoder(CDMProxy* aProxy, const GMPVideoDecoderParams& aParams);
+
+private:
+ void InitTags(nsTArray<nsCString>& aTags) override;
+ nsCString GetNodeId() override;
+ uint32_t DecryptorId() const override { return mDecryptorId; }
+ GMPUniquePtr<GMPVideoEncodedFrame> CreateFrame(MediaRawData* aSample) override;
+
+ RefPtr<CDMProxy> mProxy;
+ uint32_t mDecryptorId;
+};
+
+} // namespace mozilla
+
+#endif // EMEVideoDecoder_h_
diff --git a/dom/media/platforms/agnostic/eme/SamplesWaitingForKey.cpp b/dom/media/platforms/agnostic/eme/SamplesWaitingForKey.cpp
new file mode 100644
index 000000000..58098c2b3
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/SamplesWaitingForKey.cpp
@@ -0,0 +1,86 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "SamplesWaitingForKey.h"
+#include "mozilla/CDMProxy.h"
+#include "mozilla/CDMCaps.h"
+#include "MediaData.h"
+
+namespace mozilla {
+
+SamplesWaitingForKey::SamplesWaitingForKey(MediaDataDecoder* aDecoder,
+ MediaDataDecoderCallback* aCallback,
+ TaskQueue* aTaskQueue,
+ CDMProxy* aProxy)
+ : mMutex("SamplesWaitingForKey")
+ , mDecoder(aDecoder)
+ , mDecoderCallback(aCallback)
+ , mTaskQueue(aTaskQueue)
+ , mProxy(aProxy)
+{
+}
+
+SamplesWaitingForKey::~SamplesWaitingForKey()
+{
+}
+
+bool
+SamplesWaitingForKey::WaitIfKeyNotUsable(MediaRawData* aSample)
+{
+ if (!aSample || !aSample->mCrypto.mValid || !mProxy) {
+ return false;
+ }
+ CDMCaps::AutoLock caps(mProxy->Capabilites());
+ const auto& keyid = aSample->mCrypto.mKeyId;
+ if (!caps.IsKeyUsable(keyid)) {
+ {
+ MutexAutoLock lock(mMutex);
+ mSamples.AppendElement(aSample);
+ }
+ mDecoderCallback->WaitingForKey();
+ caps.NotifyWhenKeyIdUsable(aSample->mCrypto.mKeyId, this);
+ return true;
+ }
+ return false;
+}
+
+void
+SamplesWaitingForKey::NotifyUsable(const CencKeyId& aKeyId)
+{
+ MutexAutoLock lock(mMutex);
+ size_t i = 0;
+ while (i < mSamples.Length()) {
+ if (aKeyId == mSamples[i]->mCrypto.mKeyId) {
+ RefPtr<nsIRunnable> task;
+ task = NewRunnableMethod<RefPtr<MediaRawData>>(mDecoder,
+ &MediaDataDecoder::Input,
+ RefPtr<MediaRawData>(mSamples[i]));
+ mSamples.RemoveElementAt(i);
+ mTaskQueue->Dispatch(task.forget());
+ } else {
+ i++;
+ }
+ }
+}
+
+void
+SamplesWaitingForKey::Flush()
+{
+ MutexAutoLock lock(mMutex);
+ mSamples.Clear();
+}
+
+void
+SamplesWaitingForKey::BreakCycles()
+{
+ MutexAutoLock lock(mMutex);
+ mDecoder = nullptr;
+ mTaskQueue = nullptr;
+ mProxy = nullptr;
+ mSamples.Clear();
+}
+
+} // namespace mozilla
diff --git a/dom/media/platforms/agnostic/eme/SamplesWaitingForKey.h b/dom/media/platforms/agnostic/eme/SamplesWaitingForKey.h
new file mode 100644
index 000000000..65bb14403
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/SamplesWaitingForKey.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+#ifndef SamplesWaitingForKey_h_
+#define SamplesWaitingForKey_h_
+
+#include "mozilla/TaskQueue.h"
+
+#include "PlatformDecoderModule.h"
+
+namespace mozilla {
+
+typedef nsTArray<uint8_t> CencKeyId;
+
+class CDMProxy;
+
+// Encapsulates the task of waiting for the CDMProxy to have the necessary
+// keys to decrypt a given sample.
+class SamplesWaitingForKey {
+public:
+
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(SamplesWaitingForKey)
+
+ explicit SamplesWaitingForKey(MediaDataDecoder* aDecoder,
+ MediaDataDecoderCallback* aCallback,
+ TaskQueue* aTaskQueue,
+ CDMProxy* aProxy);
+
+ // Returns true if we need to wait for a key to become usable.
+ // Will callback MediaDataDecoder::Input(aSample) on mDecoder once the
+ // sample is ready to be decrypted. The order of input samples is
+ // preserved.
+ bool WaitIfKeyNotUsable(MediaRawData* aSample);
+
+ void NotifyUsable(const CencKeyId& aKeyId);
+
+ void Flush();
+
+ void BreakCycles();
+
+protected:
+ ~SamplesWaitingForKey();
+
+private:
+ Mutex mMutex;
+ RefPtr<MediaDataDecoder> mDecoder;
+ MediaDataDecoderCallback* mDecoderCallback;
+ RefPtr<TaskQueue> mTaskQueue;
+ RefPtr<CDMProxy> mProxy;
+ nsTArray<RefPtr<MediaRawData>> mSamples;
+};
+
+} // namespace mozilla
+
+#endif // SamplesWaitingForKey_h_
diff --git a/dom/media/platforms/agnostic/eme/moz.build b/dom/media/platforms/agnostic/eme/moz.build
new file mode 100644
index 000000000..78b76d4d4
--- /dev/null
+++ b/dom/media/platforms/agnostic/eme/moz.build
@@ -0,0 +1,23 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+EXPORTS += [
+ 'EMEAudioDecoder.h',
+ 'EMEDecoderModule.h',
+ 'EMEVideoDecoder.h',
+ 'SamplesWaitingForKey.h',
+]
+
+UNIFIED_SOURCES += [
+ 'EMEAudioDecoder.cpp',
+ 'EMEDecoderModule.cpp',
+ 'EMEVideoDecoder.cpp',
+ 'SamplesWaitingForKey.cpp',
+]
+
+include('/ipc/chromium/chromium-config.mozbuild')
+
+FINAL_LIBRARY = 'xul'
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 16:58:30 +0000