From cd4977383d1879188990b1dad0e78b5a71e3a90e Mon Sep 17 00:00:00 2001
From: kgv <kgv@opencascade.com>
Date: Thu, 9 Sep 2021 22:34:48 +0300
Subject: [PATCH] 0032092: Visualization, TKService - Image_VideoRecorder
 writes garbage from Grayscale image

Image_VideoRecorder::writeVideoFrame(), added protection from API misuse.
---
 src/Image/Image_VideoRecorder.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Image/Image_VideoRecorder.cxx b/src/Image/Image_VideoRecorder.cxx
index 65ed0383cb..e2a3977721 100644
--- a/src/Image/Image_VideoRecorder.cxx
+++ b/src/Image/Image_VideoRecorder.cxx
@@ -431,6 +431,11 @@ Standard_Boolean Image_VideoRecorder::openVideoCodec (const Image_VideoParams& t
 Standard_Boolean Image_VideoRecorder::writeVideoFrame (const Standard_Boolean theToFlush)
 {
 #ifdef HAVE_FFMPEG
+  if (myImgSrcRgba.Format() != Image_Format_RGBA)
+  {
+    throw Standard_ProgramError ("Image_VideoRecorder, unsupported image format");
+  }
+
   int aResAv = 0;
   AVCodecContext* aCodecCtx = myVideoStream->codec;
   if (!theToFlush)