1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // Implement a DirectShow input pin used for receiving captured frames from
6 // a DirectShow Capture filter.
8 #ifndef MEDIA_VIDEO_CAPTURE_WIN_SINK_INPUT_PIN_WIN_H_
9 #define MEDIA_VIDEO_CAPTURE_WIN_SINK_INPUT_PIN_WIN_H_
11 #include "media/video/capture/video_capture_device.h"
12 #include "media/video/capture/video_capture_types.h"
13 #include "media/video/capture/win/pin_base_win.h"
14 #include "media/video/capture/win/sink_filter_win.h"
18 // Const used for converting Seconds to REFERENCE_TIME.
19 extern const REFERENCE_TIME kSecondsToReferenceTime;
21 // Input pin of the SinkFilter.
22 class SinkInputPin : public PinBase {
24 SinkInputPin(IBaseFilter* filter, SinkFilterObserver* observer);
25 virtual ~SinkInputPin();
27 void SetRequestedMediaCapability(const VideoCaptureCapability& capability);
28 // Returns the capability that is negotiated when this
29 // pin is connected to a media filter.
30 const VideoCaptureCapability& ResultingCapability();
33 virtual bool IsMediaTypeValid(const AM_MEDIA_TYPE* media_type);
34 virtual bool GetValidMediaType(int index, AM_MEDIA_TYPE* media_type);
36 STDMETHOD(Receive)(IMediaSample* media_sample);
39 VideoCaptureCapability requested_capability_;
40 VideoCaptureCapability resulting_capability_;
41 SinkFilterObserver* observer_;
43 DISALLOW_IMPLICIT_CONSTRUCTORS(SinkInputPin);
48 #endif // MEDIA_VIDEO_CAPTURE_WIN_SINK_INPUT_PIN_WIN_H_