Print a warning if a format has been detected with a low score.

Originally committed as revision 19890 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 6 insertions, 2 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index 0e1d755343..373157bc83 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -474,8 +474,12 @@ int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
             }
             /* guess file format */
             fmt = av_probe_input_format2(pd, 1, &score);
-            if(fmt)
-                av_log(*ic_ptr, AV_LOG_DEBUG, "Probe with size=%d detected %s with score=%d\n", probe_size, fmt->name, score);
+            if(fmt){
+                if(score <= AVPROBE_SCORE_MAX/4){ //this can only be true in the last iteration
+                    av_log(*ic_ptr, AV_LOG_WARNING, "Format detected only with low score of %d, misdetection possible!\n", score);
+                }else
+                    av_log(*ic_ptr, AV_LOG_DEBUG, "Probed with size=%d and score=%d\n", probe_size, score);
+            }
         }
         av_freep(&pd->buf);
     }