Send bytes_used of v4l2 captured frame when video capture

media/video/capture/linux/v4l2_capture_delegate_multi_plane.cc

Index: media/video/capture/linux/v4l2_capture_delegate_multi_plane.cc
diff --git a/media/video/capture/linux/v4l2_capture_delegate_multi_plane.cc b/media/video/capture/linux/v4l2_capture_delegate_multi_plane.cc
index 7551bed434c7f7b5603a12bb842715616aa95e00..192b98eee4c33e977fd792c64b0eb6168c448a98 100644
--- a/media/video/capture/linux/v4l2_capture_delegate_multi_plane.cc
+++ b/media/video/capture/linux/v4l2_capture_delegate_multi_plane.cc
@@ -55,6 +55,13 @@ void V4L2CaptureDelegateMultiPlane::FinishFillingV4L2Buffer(
   buffer->m.planes = v4l2_planes_.data();
 }
 
+void V4L2CaptureDelegateMultiPlane::SetPayloadSize(
+    const scoped_refptr<BufferTracker>& buffer_tracker,
+    const v4l2_buffer& buffer) const {
+  for (size_t i = 0; i < v4l2_planes_.size(); i++)

[Pawel Osciak, 2015/05/25 10:10:55]

i < v4l2_planes_.size() && i < arraysize(buffer.m.planes)

[kcwu, 2015/05/25 10:33:32]

buffer.m.planes is not array.
can I use i < buffer.length here?

[Pawel Osciak, 2015/05/25 11:02:35]

Yes please, kernel verifies this.

+    buffer_tracker->SetPlanePayloadSize(i, buffer.m.planes[i].bytesused);
+}
+
 void V4L2CaptureDelegateMultiPlane::SendBuffer(
     const scoped_refptr<BufferTracker>& buffer_tracker,
     const v4l2_format& format) const {