Index: webrtc/api/video/video_frame_buffer.cc |
diff --git a/webrtc/api/video/video_frame_buffer.cc b/webrtc/api/video/video_frame_buffer.cc |
index d771e6ac42d7919b756a668ae0e84df14144d554..66f58e83beab3ab585a60c0e1f1a785cb37ab92b 100644 |
--- a/webrtc/api/video/video_frame_buffer.cc |
+++ b/webrtc/api/video/video_frame_buffer.cc |
@@ -49,6 +49,18 @@ int I420BufferInterface::ChromaHeight() const { |
return (height() + 1) / 2; |
} |
+bool I420BufferInterface::HasAlpha() const { |
+ return DataA() != nullptr && StrideA() != 0; |
+} |
+ |
+const uint8_t* I420BufferInterface::DataA() const { |
+ return nullptr; |
+} |
+ |
+int I420BufferInterface::StrideA() const { |
+ return 0; |
+} |
+ |
rtc::scoped_refptr<I420BufferInterface> I420BufferInterface::ToI420() { |
return this; |
} |