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. 4 5#include "media/video/capture/win/sink_filter_win.h" 6 7#include "base/logging.h" 8#include "media/video/capture/win/sink_input_pin_win.h" 9 10// Define GUID for I420. This is the color format we would like to support but 11// it is not defined in the DirectShow SDK. 12// http://msdn.microsoft.com/en-us/library/dd757532.aspx 13// 30323449-0000-0010-8000-00AA00389B71. 14GUID kMediaSubTypeI420 = { 15 0x30323449, 0x0000, 0x0010, { 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71} 16}; 17 18namespace media { 19 20SinkFilterObserver::~SinkFilterObserver() {} 21 22SinkFilter::SinkFilter(SinkFilterObserver* observer) 23 : input_pin_(NULL) { 24 input_pin_ = new SinkInputPin(this, observer); 25} 26 27SinkFilter::~SinkFilter() { 28 input_pin_->SetOwner(NULL); 29} 30 31void SinkFilter::SetRequestedMediaFormat(const VideoCaptureFormat& format) { 32 input_pin_->SetRequestedMediaFormat(format); 33} 34 35const VideoCaptureFormat& SinkFilter::ResultingFormat() { 36 return input_pin_->ResultingFormat(); 37} 38 39size_t SinkFilter::NoOfPins() { 40 return 1; 41} 42 43IPin* SinkFilter::GetPin(int index) { 44 return index == 0 ? input_pin_ : NULL; 45} 46 47STDMETHODIMP SinkFilter::GetClassID(CLSID* clsid) { 48 *clsid = __uuidof(SinkFilter); 49 return S_OK; 50} 51 52} // namespace media 53