Dactyloidae/dom/media/platforms/agnostic/eme/EMEVideoDecoder.cpp

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/* -*- 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 "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