Re: How to split one MPEG2-PS file into several titles for dvdauthor?
Martin Hilpert <[email protected]> Tue, 24 Feb 2015 00:38:39 +0100
| Newsgroups | gmane.comp.multimedia.dvdauthor.user |
|---|---|
| Message-ID | <[email protected]> |
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For cutting mpeg-files, I recomend to use the 2 freeware programs
/*ProjectX*/ and*/Cuttermaran/* ,
ProjectX for demuxing video- and audiostreams, Cuttermaran for cutting.
You can download them from:
http://www.chip.de/downloads/ProjectX_15629057.html
http://www.chip.de/downloads/Cuttermaran_13014746.html
Am 22.02.2015 21:56, schrieb Lev Serebryakov:
> Hello Dvdauthor-users,
>
> I have one big PAL-DVD MPEG2 file (720x567, DAT=16:9, one stream of MP2
> audio). It was prepared with
>
> ffmpeg -y -i in.mp4 --format pal-dvd -f dvd -q:v 1 -pass 1/2 title.mpg
>
> This file works with dvdauthor, as one title.
>
> But I want to split it to several titles (in one title set), because
> chapters is very limited: for example, it is not possible to add conditional
> jump to end of chapter.
>
> How could I do such split? I have 11 split points, accurate up to second,
> and I understand, that proper split could be done only at I frame points, so
> resulting splitting point could be slightly shifted. It is Ok.
>
> I've tried this (I'm showing only 2 splitting points here, not 11):
>
> ffmpeg -y -i title.mpg \
> -f dvd -codec:v copy -codec:a copy -to 00:00:20 -sn title_01.mpg \
> -f dvd -codec:v copy -codec:a copy -ss 00:00:20 -to 00:04:40 -sn
> title_02.mpg \
> -f dvd -codec:v copy -codec:a copy -ss 00:57:10 -sn "title_12.mpg"
>
>
> But afdter this, dvdauthor refuse to use this files, even after remux (but
> not recode, of course!) with DVDStyler. Error occurs on second file and
> message is:
>
> STAT: Processing dvd-cache/entry042.vob...
> STAT: VOBU 50 at 11MB, 10 PGCs
> ...
> STAT: VOBU 466 at 114MB, 10 PGCs
> ERR: Cannot infer pts for VOBU if there is no audio or video and it is the
> ERR: first VOBU.
>
> But here is a clue: file in question is only 112328704 bytes long! Looks
> like, I'm splitting PS wrong!
>
> What is proper way to split MPEG2-PS stream for using resulting chunks as
> titles with dvdauthor, to have all frames & smooth transitions between them?
>
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<div class="moz-cite-prefix">For cutting mpeg-files, I recomend to
use the 2 freeware programs <i><b>ProjectX</b></i> and<b><i>
Cuttermaran</i></b> , <br>
ProjectX for demuxing video- and audiostreams, Cuttermaran for
cutting. You can download them from:<br>
<a href="http://www.chip.de/downloads/ProjectX_15629057.html">http://www.chip.de/downloads/ProjectX_15629057.html</a><br>
<a href="http://www.chip.de/downloads/Cuttermaran_13014746.html">http://www.chip.de/downloads/Cuttermaran_13014746.html</a><br>
<br>
Am 22.02.2015 21:56, schrieb Lev Serebryakov:<br>
</div>
<blockquote cite="mid:2510394183.20150222235603-ucEfoC9qvCSoyudp1oBKBy8mxiWnj2XH@public.gmane.org"
type="cite">
<pre wrap="">Hello Dvdauthor-users,
I have one big PAL-DVD MPEG2 file (720x567, DAT=16:9, one stream of MP2
audio). It was prepared with
ffmpeg -y -i in.mp4 --format pal-dvd -f dvd -q:v 1 -pass 1/2 title.mpg
This file works with dvdauthor, as one title.
But I want to split it to several titles (in one title set), because
chapters is very limited: for example, it is not possible to add conditional
jump to end of chapter.
How could I do such split? I have 11 split points, accurate up to second,
and I understand, that proper split could be done only at I frame points, so
resulting splitting point could be slightly shifted. It is Ok.
I've tried this (I'm showing only 2 splitting points here, not 11):
ffmpeg -y -i title.mpg \
-f dvd -codec:v copy -codec:a copy -to 00:00:20 -sn title_01.mpg \
-f dvd -codec:v copy -codec:a copy -ss 00:00:20 -to 00:04:40 -sn
title_02.mpg \
-f dvd -codec:v copy -codec:a copy -ss 00:57:10 -sn "title_12.mpg"
But afdter this, dvdauthor refuse to use this files, even after remux (but
not recode, of course!) with DVDStyler. Error occurs on second file and
message is:
STAT: Processing dvd-cache/entry042.vob...
STAT: VOBU 50 at 11MB, 10 PGCs
...
STAT: VOBU 466 at 114MB, 10 PGCs
ERR: Cannot infer pts for VOBU if there is no audio or video and it is the
ERR: first VOBU.
But here is a clue: file in question is only 112328704 bytes long! Looks
like, I'm splitting PS wrong!
What is proper way to split MPEG2-PS stream for using resulting chunks as
titles with dvdauthor, to have all frames & smooth transitions between them?
</pre>
</blockquote>
<br>
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