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67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "EMEVideoDecoder.h"
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#include "GMPVideoEncodedFrameImpl.h"
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#include "mozilla/CDMProxy.h"
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#include "MediaData.h"
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#include "MP4Decoder.h"
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#include "VPXDecoder.h"
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namespace mozilla {
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void
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EMEVideoCallbackAdapter::Error(GMPErr aErr)
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{
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if (aErr == GMPNoKeyErr) {
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// The GMP failed to decrypt a frame due to not having a key. This can
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// happen if a key expires or a session is closed during playback.
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NS_WARNING("GMP failed to decrypt due to lack of key");
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return;
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}
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VideoCallbackAdapter::Error(aErr);
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}
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EMEVideoDecoder::EMEVideoDecoder(CDMProxy* aProxy,
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const GMPVideoDecoderParams& aParams)
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: GMPVideoDecoder(GMPVideoDecoderParams(aParams).WithAdapter(
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new EMEVideoCallbackAdapter(aParams.mCallback,
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VideoInfo(aParams.mConfig.mDisplay),
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aParams.mImageContainer)))
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, mProxy(aProxy)
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, mDecryptorId(aProxy->GetDecryptorId())
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{}
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void
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EMEVideoDecoder::InitTags(nsTArray<nsCString>& aTags)
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{
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VideoInfo config = GetConfig();
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if (MP4Decoder::IsH264(config.mMimeType)) {
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aTags.AppendElement(NS_LITERAL_CSTRING("h264"));
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} else if (VPXDecoder::IsVP8(config.mMimeType)) {
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aTags.AppendElement(NS_LITERAL_CSTRING("vp8"));
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} else if (VPXDecoder::IsVP9(config.mMimeType)) {
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aTags.AppendElement(NS_LITERAL_CSTRING("vp9"));
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}
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aTags.AppendElement(NS_ConvertUTF16toUTF8(mProxy->KeySystem()));
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}
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nsCString
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EMEVideoDecoder::GetNodeId()
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{
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return mProxy->GetNodeId();
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}
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GMPUniquePtr<GMPVideoEncodedFrame>
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EMEVideoDecoder::CreateFrame(MediaRawData* aSample)
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{
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GMPUniquePtr<GMPVideoEncodedFrame> frame = GMPVideoDecoder::CreateFrame(aSample);
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if (frame && aSample->mCrypto.mValid) {
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static_cast<gmp::GMPVideoEncodedFrameImpl*>(frame.get())->InitCrypto(aSample->mCrypto);
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}
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return frame;
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}
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} // namespace mozilla
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