https://bugs.gentoo.org/show_bug.cgi?id=450464

Index: VTK5.10.1/IO/vtkFFMPEGWriter.cxx
===================================================================
--- VTK5.10.1.orig/IO/vtkFFMPEGWriter.cxx
+++ VTK5.10.1/IO/vtkFFMPEGWriter.cxx
@@ -192,13 +192,6 @@ int vtkFFMPEGWriterInternal::Start()
     c->bit_rate_tolerance = this->Writer->GetBitRateTolerance();
     }
 
-  //apply the chosen parameters
-  if (av_set_parameters(this->avFormatContext, NULL) < 0)
-    {
-    vtkGenericWarningMacro (<< "Invalid output format parameters." );
-    return 0;
-    }
-
   //manufacture a codec with the chosen parameters
   AVCodec *codec = avcodec_find_encoder(c->codec_id);
   if (!codec) 
@@ -259,14 +252,17 @@ int vtkFFMPEGWriterInternal::Start()
 
 
   //Finally, open the file and start it off.
-  if (url_fopen(&this->avFormatContext->pb, this->avFormatContext->filename, URL_WRONLY) < 0) 
+  if (avio_open(&this->avFormatContext->pb, this->avFormatContext->filename, AVIO_FLAG_WRITE) < 0) 
     {
     vtkGenericWarningMacro (<< "Could not open " << this->Writer->GetFileName() << "." );
     return 0;
     }
   this->openedFile = 1;
 
-  av_write_header(this->avFormatContext);
+  if(avformat_write_header(this->avFormatContext, NULL) < 0) {
+    vtkGenericWarningMacro (<< "Failed to write header." );
+    return 0;
+  }
   return 1;
 }
 
@@ -391,7 +387,7 @@ void vtkFFMPEGWriterInternal::End()
 #ifdef VTK_FFMPEG_OLD_URL_FCLOSE
       url_fclose(&this->avFormatContext->pb);
 #else
-      url_fclose(this->avFormatContext->pb);
+      avio_close(this->avFormatContext->pb);
 #endif
       this->openedFile = 0;
       }