similarity segmentation workingintensitysimilarity

1 files changed, 5 insertions, 2 deletions

diff --git a/rotord/src/libavwrapper.cpp b/rotord/src/libavwrapper.cpp
index d48cbc3..a6cb56d 100644
--- a/rotord/src/libavwrapper.cpp
+++ b/rotord/src/libavwrapper.cpp
@@ -65,9 +65,12 @@ bool libav::video_decoder::open(const std::string& filename){
         }
     }
     if (makeindex) {
-        cerr<<"FFMS2: creating index "<<idxfile<<endl;
         index = FFMS_MakeIndex(filename.c_str(), 0, 0, NULL, NULL, FFMS_IEH_IGNORE, NULL, NULL, &err);
-        FFMS_WriteIndex(idxfile.c_str(),index,&err);
+        if (index) {
+            FFMS_WriteIndex(idxfile.c_str(),index,&err);
+            cerr<<"FFMS2: created index "<<idxfile<<endl;
+        }
+        cerr<<"FFMS2: "<<filename<<" cannot be indexed "<<endl;
     }
     if (index == NULL) {
         std::cerr<<"ffmpegsource: "<<err.Buffer<<std::endl;