1 files changed, 188 insertions, 0 deletions
diff --git a/media/gmp-clearkey/0.1/ClearKeyCDM.cpp b/media/gmp-clearkey/0.1/ClearKeyCDM.cpp
new file mode 100644
index 0000000000..8f1f3655ec
--- /dev/null
+++ b/media/gmp-clearkey/0.1/ClearKeyCDM.cpp
@@ -0,0 +1,188 @@
+/* -*- 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 "ClearKeyCDM.h"
+
+#include "ClearKeyUtils.h"
+
+using namespace cdm;
+
+ClearKeyCDM::ClearKeyCDM(Host_10* aHost) {
+  mHost = aHost;
+  mSessionManager = new ClearKeySessionManager(mHost);
+}
+
+void ClearKeyCDM::Initialize(bool aAllowDistinctiveIdentifier,
+                             bool aAllowPersistentState,
+                             bool aUseHardwareSecureCodecs) {
+  mSessionManager->Init(aAllowDistinctiveIdentifier, aAllowPersistentState);
+  // We call mHost->OnInitialized() in the session manager once it has
+  // initialized.
+}
+
+void ClearKeyCDM::GetStatusForPolicy(uint32_t aPromiseId,
+                                     const Policy& aPolicy) {
+  // MediaKeys::GetStatusForPolicy checks the keysystem and
+  // reject the promise with NS_ERROR_DOM_NOT_SUPPORTED_ERR without calling CDM.
+  // This function should never be called and is not supported.
+  assert(false);
+}
+void ClearKeyCDM::SetServerCertificate(uint32_t aPromiseId,
+                                       const uint8_t* aServerCertificateData,
+                                       uint32_t aServerCertificateDataSize) {
+  mSessionManager->SetServerCertificate(aPromiseId, aServerCertificateData,
+                                        aServerCertificateDataSize);
+}
+
+void ClearKeyCDM::CreateSessionAndGenerateRequest(uint32_t aPromiseId,
+                                                  SessionType aSessionType,
+                                                  InitDataType aInitDataType,
+                                                  const uint8_t* aInitData,
+                                                  uint32_t aInitDataSize) {
+  mSessionManager->CreateSession(aPromiseId, aInitDataType, aInitData,
+                                 aInitDataSize, aSessionType);
+}
+
+void ClearKeyCDM::LoadSession(uint32_t aPromiseId, SessionType aSessionType,
+                              const char* aSessionId, uint32_t aSessionIdSize) {
+  mSessionManager->LoadSession(aPromiseId, aSessionId, aSessionIdSize);
+}
+
+void ClearKeyCDM::UpdateSession(uint32_t aPromiseId, const char* aSessionId,
+                                uint32_t aSessionIdSize,
+                                const uint8_t* aResponse,
+                                uint32_t aResponseSize) {
+  mSessionManager->UpdateSession(aPromiseId, aSessionId, aSessionIdSize,
+                                 aResponse, aResponseSize);
+}
+
+void ClearKeyCDM::CloseSession(uint32_t aPromiseId, const char* aSessionId,
+                               uint32_t aSessionIdSize) {
+  mSessionManager->CloseSession(aPromiseId, aSessionId, aSessionIdSize);
+}
+
+void ClearKeyCDM::RemoveSession(uint32_t aPromiseId, const char* aSessionId,
+                                uint32_t aSessionIdSize) {
+  mSessionManager->RemoveSession(aPromiseId, aSessionId, aSessionIdSize);
+}
+
+void ClearKeyCDM::TimerExpired(void* aContext) {
+  // Clearkey is not interested in timers, so this method has not been
+  // implemented.
+  assert(false);
+}
+
+Status ClearKeyCDM::Decrypt(const InputBuffer_2& aEncryptedBuffer,
+                            DecryptedBlock* aDecryptedBuffer) {
+  if (mIsProtectionQueryEnabled) {
+    // Piggyback this check onto Decrypt calls. If Clearkey implements a timer
+    // based approach for firing events, we could instead trigger the check
+    // using that mechanism.
+    mSessionManager->QueryOutputProtectionStatusIfNeeded();
+  }
+  return mSessionManager->Decrypt(aEncryptedBuffer, aDecryptedBuffer);
+}
+
+Status ClearKeyCDM::InitializeAudioDecoder(
+    const AudioDecoderConfig_2& aAudioDecoderConfig) {
+  // Audio decoding is not supported by Clearkey because Widevine doesn't
+  // support it and Clearkey's raison d'etre is to provide test coverage
+  // for paths that Widevine will exercise in the wild.
+  return Status::kDecodeError;
+}
+
+Status ClearKeyCDM::InitializeVideoDecoder(
+    const VideoDecoderConfig_2& aVideoDecoderConfig) {
+#ifdef ENABLE_WMF
+  mVideoDecoder = new VideoDecoder(mHost);
+  return mVideoDecoder->InitDecode(aVideoDecoderConfig);
+#else
+  return Status::kDecodeError;
+#endif
+}
+
+void ClearKeyCDM::DeinitializeDecoder(StreamType aDecoderType) {
+#ifdef ENABLE_WMF
+  if (aDecoderType == StreamType::kStreamTypeVideo) {
+    mVideoDecoder->DecodingComplete();
+    mVideoDecoder = nullptr;
+  }
+#endif
+}
+
+void ClearKeyCDM::ResetDecoder(StreamType aDecoderType) {
+#ifdef ENABLE_WMF
+  if (aDecoderType == StreamType::kStreamTypeVideo) {
+    mVideoDecoder->Reset();
+  }
+#endif
+}
+
+Status ClearKeyCDM::DecryptAndDecodeFrame(const InputBuffer_2& aEncryptedBuffer,
+                                          VideoFrame* aVideoFrame) {
+#ifdef ENABLE_WMF
+  if (mIsProtectionQueryEnabled) {
+    // Piggyback this check onto Decrypt + Decode. If Clearkey implements a
+    // timer based approach for firing events, we could instead trigger the
+    // check using that mechanism.
+    mSessionManager->QueryOutputProtectionStatusIfNeeded();
+  }
+  return mVideoDecoder->Decode(aEncryptedBuffer, aVideoFrame);
+#else
+  return Status::kDecodeError;
+#endif
+}
+
+Status ClearKeyCDM::DecryptAndDecodeSamples(
+    const InputBuffer_2& aEncryptedBuffer, AudioFrames* aAudioFrame) {
+  // Audio decoding is not supported by Clearkey because Widevine doesn't
+  // support it and Clearkey's raison d'etre is to provide test coverage
+  // for paths that Widevine will exercise in the wild.
+  return Status::kDecodeError;
+}
+
+void ClearKeyCDM::OnPlatformChallengeResponse(
+    const PlatformChallengeResponse& aResponse) {
+  // This function should never be called and is not supported.
+  assert(false);
+}
+
+void ClearKeyCDM::OnQueryOutputProtectionStatus(
+    QueryResult aResult, uint32_t aLinkMask, uint32_t aOutputProtectionMask) {
+  // The higher level GMP machinery should not forward us query information
+  // unless we've requested it (even if mutiple CDMs exist at once and some
+  // others are reqeusting this info). If this assert fires we're violating
+  // that.
+  MOZ_ASSERT(mIsProtectionQueryEnabled,
+             "Should only receive a protection status "
+             "mIsProtectionQueryEnabled is true");
+  // The session manager handles the guts of this for ClearKey.
+  mSessionManager->OnQueryOutputProtectionStatus(aResult, aLinkMask,
+                                                 aOutputProtectionMask);
+}
+
+void ClearKeyCDM::OnStorageId(uint32_t aVersion, const uint8_t* aStorageId,
+                              uint32_t aStorageIdSize) {
+  // This function should never be called and is not supported.
+  assert(false);
+}
+
+void ClearKeyCDM::Destroy() {
+  mSessionManager->DecryptingComplete();
+#ifdef ENABLE_WMF
+  // If we have called 'DeinitializeDecoder' mVideoDecoder will be null.
+  if (mVideoDecoder) {
+    mVideoDecoder->DecodingComplete();
+  }
+#endif
+  delete this;
+}
+
+void ClearKeyCDM::EnableProtectionQuery() {
+  MOZ_ASSERT(!mIsProtectionQueryEnabled,
+             "Should not be called more than once per CDM");
+  mIsProtectionQueryEnabled = true;
+}