Try harder to avoid false positives for DV probe.
commit0388e2337fc26764c1137e87ed58922d3b7f35b2
authorreimar <reimar@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Mon, 14 Sep 2009 22:03:07 +0000 (14 22:03 +0000)
committerreimar <reimar@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Mon, 14 Sep 2009 22:03:07 +0000 (14 22:03 +0000)
treed066e1b8db5abaa6b54e9a6e06ae8aa33e787bef
parentfa0792f76428133e229e2f10369367a7769e3ed9
Try harder to avoid false positives for DV probe.
Require at least one signature match per provided 1MB of probe data,
and if there is only a single match, return at most MAX/4.
Fixes issue1382 but could/should probably still be improved.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@19848 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
libavformat/dv.c