Win video capture: Fix capture format and frame buffer mismatch

media/capture/video/win/sink_input_pin_win.cc

Index: media/capture/video/win/sink_input_pin_win.cc
diff --git a/media/capture/video/win/sink_input_pin_win.cc b/media/capture/video/win/sink_input_pin_win.cc
index 0abd0a785c10cc83c3969d8de5f29502ec72f01a..6ba69e5705269660871297208339fe7ac9f346f6 100644
--- a/media/capture/video/win/sink_input_pin_win.cc
+++ b/media/capture/video/win/sink_input_pin_win.cc
@@ -193,8 +193,9 @@ HRESULT SinkInputPin::Receive(IMediaSample* sample) {
   const int length = sample->GetActualDataLength();
   uint8_t* buffer = NULL;

[mcasas, 2016/10/03 17:32:32]

nit: move this to l. 202 and s/NULL/nullptr/

 
-  if (length <= 0) {
-    DLOG(WARNING) << "Media sample length is 0 or less.";
+  if (length <= 0 ||
+      static_cast<size_t>(length) < resulting_format_.ImageAllocationSize()) {
+    DLOG(WARNING) << "Wrong media sample length: " << length;
     return S_FALSE;
   }
 
@@ -208,7 +209,7 @@ HRESULT SinkInputPin::Receive(IMediaSample* sample) {
     timestamp = base::TimeDelta::FromMicroseconds(start_time / 10);
   }
 
-  observer_->FrameReceived(buffer, length, timestamp);
+  observer_->FrameReceived(buffer, length, resulting_format_, timestamp);
   return S_OK;
 }