X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Ffilter_graph.cc;h=86f291fde6fd3ada1095d9a961cbe8125de64c5e;hb=7a1bd472537fee593a3f088655324861d24e804b;hp=2d8f83aa73da6d8b03c46005b5c45ff3780da6f7;hpb=cb990adba9c57e5107ef2aa9716cf0a26c1df83d;p=dcpomatic.git

diff --git a/src/lib/filter_graph.cc b/src/lib/filter_graph.cc
index 2d8f83aa7..86f291fde 100644
--- a/src/lib/filter_graph.cc
+++ b/src/lib/filter_graph.cc
@@ -147,8 +147,9 @@ FilterGraph::process (AVFrame* frame)
 	if (_copy) {
 		images.push_back (make_pair (shared_ptr<Image> (new Image (frame)), av_frame_get_best_effort_timestamp (frame)));
 	} else {
-		if (av_buffersrc_write_frame (_buffer_src_context, frame) < 0) {
-			throw DecodeError (N_("could not push buffer into filter chain."));
+		int r = av_buffersrc_write_frame (_buffer_src_context, frame);
+		if (r < 0) {
+			throw DecodeError (String::compose (N_("could not push buffer into filter chain (%1)."), r));
 		}
 		
 		while (true) {