MKV doesn't fully support SRT

[plokm]

According to the site's tech info, and based on trying to do it anyway in MKVToolnix, MKV files don't support SRT subs with position information. AVIMux-GUI will import it, but I don't know if it keeps the data. Will MKV/MKVToolnix support this soon, and should i use SSA until then?

[celtic_druid]

As far as I know srt doesn't support position information.

[check]

SRT doesn't really support anything beyond a start and stop time. If you want more, you should use ASS or some other sub format.

[plokm]

The version of SubRip I'm using (1.50 beta 3) can add position information to the SRT file in the form of X and Y coordinates after the start/stop times.
Does MKV/MKVToolnix support ASS, and what tool(s) should I use to convert SUB to ASS?

[check]

try aegisub (http://aegisub.cellosoft.com/)

[LeMoi]

And when you play files with such SRTs, are position informations correctly used ?

[plokm]

No, all the software I've tried just ignores it. But I'd like to import it anyways, in case something in the future supports it.

[Mosu]

Lol! They just change the format like that... Really funny.

No, mkvmerge doesn't support this. And I couldn't put such stuff into S_TEXT/SRT tracks with the position information because NO software would interprete it correctly. I'd have to use a new CodecID which no splitter/player would have support for right away.

I just love random format changes.

Use SSA/ASS, please.

[Mtz]

Why don't you convert the srt into ssa using Subtitles Workshop. This is done in few seconds. Before saving the ssa, press Shift+Alt+L and set your ssa desired settings. I'm using arial narrow, bold, 25, distance from bottom 12, 2 pixels outline. With this settings done, always when you'll convert a subtitles file into ssa will keep this values.
A screenshot from a HD mkv movie with this settings:
http://img184.imageshack.us/img184/1306/mkvwithsubtitlesqg9.th.jpg (http://img184.imageshack.us/my.php?image=mkvwithsubtitlesqg9.jpg)

enjoy,
Mtz