MEDIASUBTYPE_RGB32 support for Windows

media/video/capture/win/sink_input_pin_win.cc

Index: media/video/capture/win/sink_input_pin_win.cc
diff --git a/media/video/capture/win/sink_input_pin_win.cc b/media/video/capture/win/sink_input_pin_win.cc
index 08e76a72792d0f488cf970373c18f4b22114e3f5..c61064579a37a9b35d97998f8fe3edf7da68a4ba 100644
--- a/media/video/capture/win/sink_input_pin_win.cc
+++ b/media/video/capture/win/sink_input_pin_win.cc
@@ -90,6 +90,15 @@ bool SinkInputPin::GetValidMediaType(int index, AM_MEDIA_TYPE* media_type) {
       media_type->subtype = MEDIASUBTYPE_RGB24;
       break;
     }
+    case 3: {
+      pvi->bmiHeader.biCompression = BI_RGB;
+      pvi->bmiHeader.biBitCount = 32;
+      pvi->bmiHeader.biWidth = requested_info_header_.biWidth;
+      pvi->bmiHeader.biHeight = requested_info_header_.biHeight;
+      pvi->bmiHeader.biSizeImage = GetArea(requested_info_header_) * 4;
+      media_type->subtype = MEDIASUBTYPE_RGB32;
+      break;
+    }
     default:
       return false;
   }
@@ -144,6 +153,11 @@ bool SinkInputPin::IsMediaTypeValid(const AM_MEDIA_TYPE* media_type) {
     resulting_format_.pixel_format = PIXEL_FORMAT_RGB24;
     return true;  // This format is acceptable.
   }
+  if (sub_type == MEDIASUBTYPE_RGB32 &&
+    pvi->bmiHeader.biCompression == BI_RGB) {

[mcasas, 2015/03/27 01:02:11]

Indent two extra right

[emircan, 2015/03/27 17:50:39]

Done.

+    resulting_format_.pixel_format = PIXEL_FORMAT_ARGB;
+    return true;  // This format is acceptable.

[mcasas, 2015/03/27 01:02:11]

Comment is irrelevant (similar ones too).

[emircan, 2015/03/27 17:50:39]

Done.

+  }
   return false;
 }