| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Implement a DirectShow sink filter used for receiving captured frames from |
| // a DirectShow Capture filter. |
| |
| #ifndef MEDIA_CAPTURE_VIDEO_WIN_SINK_FILTER_WIN_H_ |
| #define MEDIA_CAPTURE_VIDEO_WIN_SINK_FILTER_WIN_H_ |
| |
| #include <windows.h> |
| #include <stddef.h> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "media/capture/video/video_capture_device.h" |
| #include "media/capture/video/win/filter_base_win.h" |
| #include "media/capture/video/win/sink_filter_observer_win.h" |
| #include "media/capture/video_capture_types.h" |
| |
| namespace media { |
| |
| // Define GUID for I420. This is the color format we would like to support but |
| // it is not defined in the DirectShow SDK. |
| // http://msdn.microsoft.com/en-us/library/dd757532.aspx |
| // 30323449-0000-0010-8000-00AA00389B71. |
| const GUID kMediaSubTypeI420 = { |
| 0x30323449, |
| 0x0000, |
| 0x0010, |
| {0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71}}; |
| |
| // UYVY synonym with BT709 color components, used in HD video. This variation |
| // might appear in non-USB capture cards and it's implemented as a normal YUV |
| // pixel format with the characters HDYC encoded in the first array word. |
| const GUID kMediaSubTypeHDYC = { |
| 0x43594448, |
| 0x0000, |
| 0x0010, |
| {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; |
| |
| // 16-bit grey-scale single plane formats provided by some depth cameras. |
| const GUID kMediaSubTypeZ16 = { |
| 0x2036315a, |
| 0x0000, |
| 0x0010, |
| {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; |
| const GUID kMediaSubTypeINVZ = { |
| 0x5a564e49, |
| 0x2d90, |
| 0x4a58, |
| {0x92, 0x0b, 0x77, 0x3f, 0x1f, 0x2c, 0x55, 0x6b}}; |
| const GUID kMediaSubTypeY16 = { |
| 0x20363159, |
| 0x0000, |
| 0x0010, |
| {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}; |
| |
| class SinkInputPin; |
| |
| class __declspec(uuid("88cdbbdc-a73b-4afa-acbf-15d5e2ce12c3")) SinkFilter |
| : public FilterBase { |
| public: |
| explicit SinkFilter(SinkFilterObserver* observer); |
| |
| void SetRequestedMediaFormat(VideoPixelFormat pixel_format, |
| float frame_rate, |
| const BITMAPINFOHEADER& info_header); |
| |
| // Implement FilterBase. |
| size_t NoOfPins() override; |
| IPin* GetPin(int index) override; |
| |
| IFACEMETHODIMP GetClassID(CLSID* clsid) override; |
| |
| private: |
| ~SinkFilter() override; |
| |
| scoped_refptr<SinkInputPin> input_pin_; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(SinkFilter); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_CAPTURE_VIDEO_WIN_SINK_FILTER_WIN_H_ |