Subtitles stop during playback

[bugzilla@…]

At certain spots during playback the subtitles just stop showing. Pressing "j" or skipping forth/back solves it for a couple of minutes, but they keep disappearing over and over again.

This appears to be similar to what was reported here: ​http://thread.gmane.org/gmane.comp.video.mplayer.cvs/7815/focus=8370

And later reiterated here: ​http://lists.mplayerhq.hu/pipermail/mplayer-users/2008-August/074059.html

[compn]

we need a sample vobsub which shows the problem

also try with dvdnav://

[robm@…]

I'm seeing this problem when viewing District 9. Seems to be the same as reported here:

​http://lists.mplayerhq.hu/pipermail/mplayer-users/2009-October/078040.html

which referenced some sample files:

​http://yozora-irc.net/~ubitux/mplayer/

[robm@…]

Kludgy workaround to demonstrate a possible fix

[robm@…]

This is quite a kluge, but demonstrates a way around the problem. The issue is that timestamps in the .sub and .idx files aren't always accurate -- for example in the sample file provided at ​http://yozora-irc.net/~ubitux/mplayer/ there are several timestamps that are very close (i.e. within 0.02 seconds) or even with a negative offset:

timestamp: 00:03:05:919, filepos: 000004800
timestamp: 00:03:05:910, filepos: 000005000

that seem to indicate that the packets should be merged upon decoding. Probably the real way to fix the problem is to attempt a decoding of each packet to see if the next packet also belongs to it.

[ubitux]

A workaround for this have been committed in revision 31104 (and another fix a few days later). This shouldn't happen anymore. Please reopen and attach a sample if not.