X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fmedia%2Fvideo%2Fcapture%2Fwin%2Fvideo_capture_device_mf_win.cc;h=858de6eb122decba6c7a30cfa3a9d1b23ef4a7d3;hb=ff3e2503a20db9193d323c1d19c38c68004dec4a;hp=de199c2db4f46786633a5ca5a4a2a92a2ea8590b;hpb=7338fba38ba696536d1cc9d389afd716a6ab2fe6;p=platform%2Fframework%2Fweb%2Fcrosswalk.git

diff --git a/src/media/video/capture/win/video_capture_device_mf_win.cc b/src/media/video/capture/win/video_capture_device_mf_win.cc
index de199c2..858de6e 100644
--- a/src/media/video/capture/win/video_capture_device_mf_win.cc
+++ b/src/media/video/capture/win/video_capture_device_mf_win.cc
@@ -287,6 +287,60 @@ void VideoCaptureDeviceMFWin::GetDeviceNames(Names* device_names) {
   }
 }
 
+// static
+void VideoCaptureDeviceMFWin::GetDeviceSupportedFormats(const Name& device,
+    VideoCaptureFormats* formats) {
+  ScopedComPtr<IMFMediaSource> source;
+  if (!CreateVideoCaptureDevice(device.id().c_str(), source.Receive()))
+    return;
+
+  HRESULT hr;
+  base::win::ScopedComPtr<IMFSourceReader> reader;
+  if (FAILED(hr = MFCreateSourceReaderFromMediaSource(source, NULL,
+                                                      reader.Receive()))) {
+    DLOG(ERROR) << "MFCreateSourceReaderFromMediaSource: " << std::hex << hr;
+    return;
+  }
+
+  DWORD stream_index = 0;
+  ScopedComPtr<IMFMediaType> type;
+  while (SUCCEEDED(hr = reader->GetNativeMediaType(
+         MF_SOURCE_READER_FIRST_VIDEO_STREAM, stream_index, type.Receive()))) {
+    UINT32 width, height;
+    hr = MFGetAttributeSize(type, MF_MT_FRAME_SIZE, &width, &height);
+    if (FAILED(hr)) {
+      DLOG(ERROR) << "MFGetAttributeSize: " << std::hex << hr;
+      return;
+    }
+    VideoCaptureFormat capture_format;
+    capture_format.frame_size.SetSize(width, height);
+
+    UINT32 numerator, denominator;
+    hr = MFGetAttributeRatio(type, MF_MT_FRAME_RATE, &numerator, &denominator);
+    if (FAILED(hr)) {
+      DLOG(ERROR) << "MFGetAttributeSize: " << std::hex << hr;
+      return;
+    }
+    capture_format.frame_rate = denominator ? numerator / denominator : 0;
+
+    GUID type_guid;
+    hr = type->GetGUID(MF_MT_SUBTYPE, &type_guid);
+    if (FAILED(hr)) {
+      DLOG(ERROR) << "GetGUID: " << std::hex << hr;
+      return;
+    }
+    FormatFromGuid(type_guid, &capture_format.pixel_format);
+    type.Release();
+    formats->push_back(capture_format);
+    ++stream_index;
+
+    DVLOG(1) << device.name() << " resolution: "
+             << capture_format.frame_size.ToString() << ", fps: "
+             << capture_format.frame_rate << ", pixel format: "
+             << capture_format.pixel_format;
+  }
+}
+
 const std::string VideoCaptureDevice::Name::GetModel() const {
   const size_t vid_prefix_size = sizeof(kVidPrefix) - 1;
   const size_t pid_prefix_size = sizeof(kPidPrefix) - 1;