X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_file_encoder.cc;h=32a0e0f8620f3741ab09bd6c7456305541692130;hb=ef72505c60da17a67b7ea1ea914290fd204d29bd;hp=30dcdb94cc299b0031583eee5218a6de9c23a84a;hpb=105e1d204d9de3b42b1b1b8c1ce6a30ef12e5c3d;p=dcpomatic.git

diff --git a/src/lib/ffmpeg_file_encoder.cc b/src/lib/ffmpeg_file_encoder.cc
index 30dcdb94c..32a0e0f86 100644
--- a/src/lib/ffmpeg_file_encoder.cc
+++ b/src/lib/ffmpeg_file_encoder.cc
@@ -394,7 +394,8 @@ FFmpegFileEncoder::flush ()
 		}
 	}
 
-	av_write_trailer (_format_context);
+	auto const r = av_write_trailer(_format_context);
+	DCPOMATIC_ASSERT(r == 0);
 }