gecko-dev/media/gmp-clearkey/0.1/VideoDecoder.h

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2.0 KiB
C++

/*
* 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 <queue>
#include <thread>
// This include is required in order for content_decryption_module to work
// on Unix systems.
#include "stddef.h"
#include "content_decryption_module.h"
#include "WMFH264Decoder.h"
class VideoDecoder : public RefCounted
{
public:
explicit VideoDecoder(cdm::Host_8 *aHost);
cdm::Status InitDecode(const cdm::VideoDecoderConfig& aConfig);
cdm::Status Decode(const cdm::InputBuffer& aEncryptedBuffer,
cdm::VideoFrame* aVideoFrame);
void Reset();
void DecodingComplete();
bool HasShutdown() { return mHasShutdown; }
private:
virtual ~VideoDecoder();
cdm::Status Drain(cdm::VideoFrame* aVideoFrame);
struct DecodeData {
std::vector<uint8_t> mBuffer;
uint64_t mTimestamp = 0;
CryptoMetaData mCrypto;
};
cdm::Status OutputFrame(cdm::VideoFrame* aVideoFrame);
HRESULT SampleToVideoFrame(IMFSample* aSample,
int32_t aPictureWidth,
int32_t aPictureHeight,
int32_t aStride,
int32_t aFrameHeight,
cdm::VideoFrame* aVideoFrame);
cdm::Host_8* mHost;
wmf::AutoPtr<wmf::WMFH264Decoder> mDecoder;
std::queue<wmf::CComPtr<IMFSample>> mOutputQueue;
bool mHasShutdown;
};
#endif // __VideoDecoder_h__