f4334277
 Hu Chunming
提交3rdparty
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// Copyright (c) Microsoft. All rights reserved.
//
// The MIT License (MIT)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files(the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions :
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#pragma once
#include "MFIncludes.hpp"
namespace Media {
class MediaStreamSink WrlSealed :
public Microsoft::WRL::RuntimeClass<
Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
IMFStreamSink,
IMFMediaEventGenerator,
IMFMediaTypeHandler
>
{
public:
MediaStreamSink(
__in const MW::ComPtr<IMFMediaSink>& sink,
__in DWORD id,
__in const MW::ComPtr<IMFMediaType>& mt,
__in MediaSampleHandler^ sampleHandler
);
//
// IMFStreamSink
//
IFACEMETHODIMP GetMediaSink(__deref_out IMFMediaSink **sink);
IFACEMETHODIMP GetIdentifier(__out DWORD *identifier);
IFACEMETHODIMP GetMediaTypeHandler(__deref_out IMFMediaTypeHandler **handler);
IFACEMETHODIMP ProcessSample(__in_opt IMFSample *sample);
IFACEMETHODIMP PlaceMarker(__in MFSTREAMSINK_MARKER_TYPE markerType, __in const PROPVARIANT * markerValue, __in const PROPVARIANT * contextValue);
IFACEMETHODIMP Flush();
//
// IMFMediaEventGenerator
//
IFACEMETHODIMP GetEvent(__in DWORD flags, __deref_out IMFMediaEvent **event);
IFACEMETHODIMP BeginGetEvent(__in IMFAsyncCallback *callback, __in_opt IUnknown *state);
IFACEMETHODIMP EndGetEvent(__in IMFAsyncResult *result, __deref_out IMFMediaEvent **event);
IFACEMETHODIMP QueueEvent(__in MediaEventType met, __in REFGUID extendedType, __in HRESULT status, __in_opt const PROPVARIANT *value);
//
// IMFMediaTypeHandler
//
IFACEMETHODIMP IsMediaTypeSupported(__in IMFMediaType *mediaType, __deref_out_opt IMFMediaType **closestMediaType);
IFACEMETHODIMP GetMediaTypeCount(__out DWORD *typeCount);
IFACEMETHODIMP GetMediaTypeByIndex(__in DWORD index, __deref_out IMFMediaType **mediaType);
IFACEMETHODIMP SetCurrentMediaType(__in IMFMediaType *mediaType);
IFACEMETHODIMP GetCurrentMediaType(__deref_out_opt IMFMediaType **mediaType);
IFACEMETHODIMP GetMajorType(__out GUID *majorType);
//
// Misc
//
void InternalSetCurrentMediaType(__in const MW::ComPtr<IMFMediaType>& mediaType);
void RequestSample();
void Shutdown();
private:
bool _IsMediaTypeSupported(__in const MW::ComPtr<IMFMediaType>& mt) const;
void _UpdateMediaType(__in const MW::ComPtr<IMFMediaType>& mt);
void _VerifyNotShutdown()
{
if (_shutdown)
{
CHK(MF_E_SHUTDOWN);
}
}
MW::ComPtr<IMFMediaSink> _sink;
MW::ComPtr<IMFMediaEventQueue> _eventQueue;
MW::ComPtr<IMFMediaType> _curMT;
MediaSampleHandler^ _sampleHandler;
GUID _majorType;
GUID _subType;
unsigned int _width;
unsigned int _height;
DWORD _id;
bool _shutdown;
MWW::SRWLock _lock;
};
}
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