[FFmpeg-cvslog] avformat/mpeg: Decrease score by 1 for files with very little valid data

[Michael Niedermayer]

ffmpeg | branch: release/2.8 | Michael Niedermayer <michael at niedermayer.cc> | Tue Apr 14 00:03:30 2020 +0200| [eb9e7180782eae17a286f53e537023bf1c50c9ac] | committer: Michael Niedermayer

avformat/mpeg: Decrease score by 1 for files with very little valid data

Fixes: 8233/PPY6574574605_cut.mp3

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 20f7b4dfc9640c910655bd153c6996e9edd42ff0)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=eb9e7180782eae17a286f53e537023bf1c50c9ac
---

 libavformat/mpeg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index fe02af8fed..5149b3b143 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -106,7 +106,7 @@ static int mpegps_probe(AVProbeData *p)
 
     if (sys > invalid && sys * 9 <= pspack * 10)
         return (audio > 12 || vid > 3 || pspack > 2) ? AVPROBE_SCORE_EXTENSION + 2
-                                                     : AVPROBE_SCORE_EXTENSION / 2 + 1; // 1 more than mp3
+                                                     : AVPROBE_SCORE_EXTENSION / 2 + (audio + vid + pspack > 1); // 1 more than mp3
     if (pspack > invalid && (priv1 + vid + audio) * 10 >= pspack * 9)
         return pspack > 2 ? AVPROBE_SCORE_EXTENSION + 2
                           : AVPROBE_SCORE_EXTENSION / 2; // 1 more than .mpg