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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/capture/video/win/video_capture_device_factory_win.h" | 5 #include "media/capture/video/win/video_capture_device_factory_win.h" |
| 6 | 6 |
| 7 #include <mfapi.h> | 7 #include <mfapi.h> |
| 8 #include <mferror.h> | 8 #include <mferror.h> |
| 9 #include <stddef.h> | 9 #include <stddef.h> |
| 10 | 10 |
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| 161 hr = dev_enum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, | 161 hr = dev_enum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, |
| 162 enum_moniker.Receive(), 0); | 162 enum_moniker.Receive(), 0); |
| 163 // CreateClassEnumerator returns S_FALSE on some Windows OS | 163 // CreateClassEnumerator returns S_FALSE on some Windows OS |
| 164 // when no camera exist. Therefore the FAILED macro can't be used. | 164 // when no camera exist. Therefore the FAILED macro can't be used. |
| 165 if (hr != S_OK) | 165 if (hr != S_OK) |
| 166 return; | 166 return; |
| 167 | 167 |
| 168 // Enumerate all video capture devices. | 168 // Enumerate all video capture devices. |
| 169 for (ScopedComPtr<IMoniker> moniker; | 169 for (ScopedComPtr<IMoniker> moniker; |
| 170 enum_moniker->Next(1, moniker.Receive(), NULL) == S_OK; | 170 enum_moniker->Next(1, moniker.Receive(), NULL) == S_OK; |
| 171 moniker.Release()) { | 171 moniker.Reset()) { |
| 172 ScopedComPtr<IPropertyBag> prop_bag; | 172 ScopedComPtr<IPropertyBag> prop_bag; |
| 173 hr = moniker->BindToStorage(0, 0, IID_IPropertyBag, prop_bag.ReceiveVoid()); | 173 hr = moniker->BindToStorage(0, 0, IID_IPropertyBag, prop_bag.ReceiveVoid()); |
| 174 if (FAILED(hr)) | 174 if (FAILED(hr)) |
| 175 continue; | 175 continue; |
| 176 | 176 |
| 177 // Find the description or friendly name. | 177 // Find the description or friendly name. |
| 178 ScopedVariant name; | 178 ScopedVariant name; |
| 179 hr = prop_bag->Read(L"Description", name.Receive(), 0); | 179 hr = prop_bag->Read(L"Description", name.Receive(), 0); |
| 180 if (FAILED(hr)) | 180 if (FAILED(hr)) |
| 181 hr = prop_bag->Read(L"FriendlyName", name.Receive(), 0); | 181 hr = prop_bag->Read(L"FriendlyName", name.Receive(), 0); |
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| 373 denominator ? static_cast<float>(numerator) / denominator : 0.0f; | 373 denominator ? static_cast<float>(numerator) / denominator : 0.0f; |
| 374 | 374 |
| 375 GUID type_guid; | 375 GUID type_guid; |
| 376 hr = type->GetGUID(MF_MT_SUBTYPE, &type_guid); | 376 hr = type->GetGUID(MF_MT_SUBTYPE, &type_guid); |
| 377 if (FAILED(hr)) { | 377 if (FAILED(hr)) { |
| 378 DLOG(ERROR) << "GetGUID failed: " << logging::SystemErrorCodeToString(hr); | 378 DLOG(ERROR) << "GetGUID failed: " << logging::SystemErrorCodeToString(hr); |
| 379 return; | 379 return; |
| 380 } | 380 } |
| 381 VideoCaptureDeviceMFWin::FormatFromGuid(type_guid, | 381 VideoCaptureDeviceMFWin::FormatFromGuid(type_guid, |
| 382 &capture_format.pixel_format); | 382 &capture_format.pixel_format); |
| 383 type.Release(); | 383 type.Reset(); |
| 384 ++stream_index; | 384 ++stream_index; |
| 385 if (capture_format.pixel_format == PIXEL_FORMAT_UNKNOWN) | 385 if (capture_format.pixel_format == PIXEL_FORMAT_UNKNOWN) |
| 386 continue; | 386 continue; |
| 387 formats->push_back(capture_format); | 387 formats->push_back(capture_format); |
| 388 | 388 |
| 389 DVLOG(1) << descriptor.display_name << " " | 389 DVLOG(1) << descriptor.display_name << " " |
| 390 << VideoCaptureFormat::ToString(capture_format); | 390 << VideoCaptureFormat::ToString(capture_format); |
| 391 } | 391 } |
| 392 } | 392 } |
| 393 | 393 |
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| 460 } | 460 } |
| 461 | 461 |
| 462 // static | 462 // static |
| 463 VideoCaptureDeviceFactory* | 463 VideoCaptureDeviceFactory* |
| 464 VideoCaptureDeviceFactory::CreateVideoCaptureDeviceFactory( | 464 VideoCaptureDeviceFactory::CreateVideoCaptureDeviceFactory( |
| 465 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) { | 465 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) { |
| 466 return new VideoCaptureDeviceFactoryWin(); | 466 return new VideoCaptureDeviceFactoryWin(); |
| 467 } | 467 } |
| 468 | 468 |
| 469 } // namespace media | 469 } // namespace media |
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