[mythtv] Fwd: DVB subtitles and delay

Jeppe Nejsum Madsen jeppe at ingolfs.dk
Sat Apr 24 07:22:45 UTC 2010


Janne Grunau <janne-mythtv at grunau.be> writes:

> On Fri, Apr 16, 2010 at 07:19:07PM +0200, Kenni Lund wrote:
>> 2010/4/14 Mark Kendall <mark.kendall at gmail.com>:
>> >
>> > For what it's worth, I spent some time looking at that ticket a few
>> > weeks ago without much success.
>> >
>> > The problem lies somewhere between the broadcaster and ffmpeg's
>> > demuxing of the stream, with the net result that some subtitles arrive
>> > very late.
>
> it was ffmpeg's demuxing. Packets were only emitted after the next
> packet started which is a problem for distant packets like DVB
> subtitles. Fixed in trunks [24242] and submitted to ffmpeg. I'll
> backport it next week.

That's awesome news! My wife will thank you wholeheartedly :-)

> There's still a short delay. I've seen 20-30ms but it's probably too
> short to notice.

/Jeppe


More information about the mythtv-dev mailing list