Index: api/video/video_frame_buffer.cc |
diff --git a/api/video/video_frame_buffer.cc b/api/video/video_frame_buffer.cc |
index dd869f77475d0bd2a50f59302959a54e84012609..ddc558355d4b3e8f8c50ed7892b5ed9dd945d288 100644 |
--- a/api/video/video_frame_buffer.cc |
+++ b/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; |
} |