From 83e0e61727e8230cbe51e3553dc7c52f7122a437 Mon Sep 17 00:00:00 2001
From: Fedor <fedor@mail.ru>
Date: Sat, 30 Mar 2019 05:05:01 +0300
Subject: [PATCH] Check if CopyData succeeded

---
 dom/media/VideoFrameContainer.cpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/dom/media/VideoFrameContainer.cpp b/dom/media/VideoFrameContainer.cpp
index 2b1965766..56aea9d27 100644
--- a/dom/media/VideoFrameContainer.cpp
+++ b/dom/media/VideoFrameContainer.cpp
@@ -61,7 +61,7 @@ void VideoFrameContainer::UpdatePrincipalHandleForFrameIDLocked(const PrincipalH
   mFrameIDForPendingPrincipalHandle = aFrameID;
 }
 
-static void
+static bool
 SetImageToBlackPixel(PlanarYCbCrImage* aImage)
 {
   uint8_t blackPixel[] = { 0x10, 0x80, 0x80 };
@@ -72,7 +72,7 @@ SetImageToBlackPixel(PlanarYCbCrImage* aImage)
   data.mCrChannel = blackPixel + 2;
   data.mYStride = data.mCbCrStride = 1;
   data.mPicSize = data.mYSize = data.mCbCrSize = gfx::IntSize(1, 1);
-  aImage->CopyData(data);
+  return aImage->CopyData(data);
 }
 
 class VideoFrameContainerInvalidateRunnable : public Runnable {
@@ -122,11 +122,13 @@ void VideoFrameContainer::SetCurrentFrames(const VideoSegment& aSegment)
 
     if (frame->GetForceBlack()) {
       if (!mBlackImage) {
-        mBlackImage = GetImageContainer()->CreatePlanarYCbCrImage();
-        if (mBlackImage) {
+        RefPtr<Image> blackImage = GetImageContainer()->CreatePlanarYCbCrImage();
+        if (blackImage) {
           // Sets the image to a single black pixel, which will be scaled to
           // fill the rendered size.
-          SetImageToBlackPixel(mBlackImage->AsPlanarYCbCrImage());
+          if (SetImageToBlackPixel(blackImage->AsPlanarYCbCrImage())) { 
+            mBlackImage = blackImage;
+          }
         }
       }
       if (mBlackImage) {