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