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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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tree10027f336435511475e392454359edea8e25895d /media/gmp-clearkey/0.1/VideoDecoder.h
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Add m-esr52 at 52.6.0
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+/*
+ * Copyright 2013, Mozilla Foundation and contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __VideoDecoder_h__
+#define __VideoDecoder_h__
+
+#include <atomic>
+
+#include "gmp-task-utils.h"
+#include "gmp-video-decode.h"
+#include "gmp-video-host.h"
+#include "WMFH264Decoder.h"
+
+#include "mfobjects.h"
+
+class VideoDecoder : public GMPVideoDecoder
+ , public RefCounted
+{
+public:
+ VideoDecoder(GMPVideoHost *aHostAPI);
+
+ virtual void InitDecode(const GMPVideoCodec& aCodecSettings,
+ const uint8_t* aCodecSpecific,
+ uint32_t aCodecSpecificLength,
+ GMPVideoDecoderCallback* aCallback,
+ int32_t aCoreCount) override;
+
+ virtual void Decode(GMPVideoEncodedFrame* aInputFrame,
+ bool aMissingFrames,
+ const uint8_t* aCodecSpecific,
+ uint32_t aCodecSpecificLength,
+ int64_t aRenderTimeMs = -1);
+
+ virtual void Reset() override;
+
+ virtual void Drain() override;
+
+ virtual void DecodingComplete() override;
+
+ bool HasShutdown() { return mHasShutdown; }
+
+private:
+
+ virtual ~VideoDecoder();
+
+ void EnsureWorker();
+
+ void DrainTask();
+
+ struct DecodeData {
+ DecodeData()
+ : mTimestamp(0)
+ , mDuration(0)
+ , mIsKeyframe(false)
+ {}
+ std::vector<uint8_t> mBuffer;
+ uint64_t mTimestamp;
+ uint64_t mDuration;
+ bool mIsKeyframe;
+ CryptoMetaData mCrypto;
+ };
+
+ void DecodeTask(DecodeData* aData);
+
+ void ResetCompleteTask();
+
+ void ReturnOutput(IMFSample* aSample,
+ int32_t aWidth,
+ int32_t aHeight,
+ int32_t aStride);
+
+ HRESULT SampleToVideoFrame(IMFSample* aSample,
+ int32_t aWidth,
+ int32_t aHeight,
+ int32_t aStride,
+ GMPVideoi420Frame* aVideoFrame);
+
+ void MaybeRunOnMainThread(GMPTask* aTask);
+
+ GMPVideoHost *mHostAPI; // host-owned, invalid at DecodingComplete
+ GMPVideoDecoderCallback* mCallback; // host-owned, invalid at DecodingComplete
+ GMPThread* mWorkerThread;
+ GMPMutex* mMutex;
+ wmf::AutoPtr<wmf::WMFH264Decoder> mDecoder;
+
+ std::vector<uint8_t> mExtraData;
+ std::vector<uint8_t> mAnnexB;
+
+ int32_t mNumInputTasks;
+ bool mSentExtraData;
+
+ std::atomic<bool> mIsFlushing;
+
+ bool mHasShutdown;
+};
+
+#endif // __VideoDecoder_h__