seek: Fix av_gen_search() so that seeks outside max/min do not successfully seek to random

points but rather seek to the min/max.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 10 insertions, 0 deletions

diff --git a/libavformat/utils.c b/libavformat/utils.c
index a788eefc34..b931f77bb5 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1621,6 +1621,11 @@ int64_t av_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts, i
             return -1;
     }
 
+    if(ts_min >= target_ts){
+        *ts_ret= ts_min;
+        return pos_min;
+    }
+
     if(ts_max == AV_NOPTS_VALUE){
         int step= 1024;
         filesize = avio_size(s->pb);
@@ -1646,6 +1651,11 @@ int64_t av_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts, i
         pos_limit= pos_max;
     }
 
+    if(ts_max <= target_ts){
+        *ts_ret= ts_max;
+        return pos_max;
+    }
+
     if(ts_min > ts_max){
         return -1;
     }else if(ts_min == ts_max){