Check VideoFrame::IsValidConfig() prior to allocating buffers for FFmpeg.

BUG=140085


Review URL: https://chromiumcodereview.appspot.com/10827149

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150215 0039d316-1c4b-4281-b951-d872f2087c98

media/filters/ffmpeg_video_decoder.cc

@@ -89,6 +89,9 @@ int FFmpegVideoDecoder::GetVideoBuffer(AVCodecContext* codec_context,
     natural_size = demuxer_stream_->video_decoder_config().natural_size();
   }
 
+  if (!VideoFrame::IsValidConfig(format, size, natural_size))
+    return AVERROR(EINVAL);
+
   scoped_refptr<VideoFrame> video_frame =
       VideoFrame::CreateFrame(format, size, natural_size, kNoTimestamp());