1 files changed, 68 insertions, 0 deletions
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