[MPlayer-DOCS] Re: Suggested correction in documentation (DVD compliant MPEG-2)

[Guillaume POIRIER]

Hi,

On 12/2/06, Diego Biurrun <diego at biurrun.de> wrote:
> On Tue, Nov 28, 2006 at 08:09:15PM +0100, Reimar Döffinger wrote:
> > On Tue, Nov 28, 2006 at 07:47:12PM +0100, Diego Biurrun wrote:
> > > On Sun, Nov 26, 2006 at 03:36:24AM +0200, Eli Billauer wrote:
> > > >
> > > > I would suggest to update the page at
> > > >
> > > > http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-vcd-dvd.html
> > > >
> > > > so it states that vstrict=1 should be used for creating DVDs. Without
> > > > this option, mencoder creates a stream which makes problem with some (or
> > > > all?) standalone DVD players.
> >
> > vstrict=0 seems to be enough, though vstrict=1 probably won't hurt.
>
> Where are the MEncoder docs maintainers to fix this? :)

where ARE they? There's only me listed as a maintainer of this part of
the docs! ;-)

Attached patch adds vstrict wherever it seems to be needed, please
re-read in case I have missed smth, and also to fix my broken English.

Guillaume
-- 
An association of men who will not quarrel with one another is a thing
which has never yet existed, from the greatest confederacy of nations
down to a town meeting or a vestry.
 -- Thomas Jefferson
(when interviewed about MPlayer ML flamewars)
http://www.brainyquote.com/quotes/quotes/t/thomasjeff157207.html
-------------- next part --------------
Index: DOCS/xml/en/encoding-guide.xml
===================================================================
--- DOCS/xml/en/encoding-guide.xml	(revision 21592)
+++ DOCS/xml/en/encoding-guide.xml	(working copy)
@@ -4645,6 +4645,13 @@
   use vbitrate=9800, but be warned that this could constrain you to less
   than an hour of video on a single-layer DVD.
 </para></listitem>
+<listitem><para>
+  <emphasis role="bold">vtrict</emphasis>:
+  <option>vstrict</option>=1 should be used to create DVDs.
+  Without this option, <application>MEncoder</application> creates a
+  stream that cannot be decoded by most, if not all, standalone DVD
+  players.
+</para></listitem>
 </itemizedlist>
 </sect3>
 
@@ -4676,7 +4683,7 @@
 DVD:
 <screen>
 -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:\
-keyint=15:acodec=ac3
+keyint=15:vstrict=1:acodec=ac3
 </screen>
 </para>
 </sect3>
@@ -4702,7 +4709,7 @@
 <screen>
 -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=8000:\
 keyint=15:trell:mbd=2:precmp=2:subcmp=2:cmp=2:dia=-10:predia=-10:cbp:mv0:\
-vqmin=1:lmin=1:dc=10
+vqmin=1:lmin=1:dc=10:vstrict=1
 </screen>
 </para>
 </sect3>
@@ -4791,7 +4798,7 @@
 mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd:tsaf \
   -vf scale=720:576,harddup -srate 48000 -af lavcresample=48000 \
   -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:\
-keyint=15:acodec=ac3:abitrate=192:aspect=16/9 -ofps 25 \
+keyint=15:vstrict=1:acodec=ac3:abitrate=192:aspect=16/9 -ofps 25 \
   -o <replaceable>movie.mpg</replaceable> <replaceable>movie.avi</replaceable>
 </screen>
 </para>
@@ -4806,7 +4813,7 @@
 mencoder -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd:tsaf \
   -vf scale=720:480,harddup -srate 48000 -af lavcresample=48000 \
   -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:\
-keyint=18:acodec=ac3:abitrate=192:aspect=16/9 -ofps 30000/1001 \
+keyint=18:vstrict=1:acodec=ac3:abitrate=192:aspect=16/9 -ofps 30000/1001 \
   -o <replaceable>movie.mpg</replaceable> <replaceable>movie.avi</replaceable>
 </screen>
 </para>
@@ -4822,7 +4829,7 @@
 mencoder -oac copy -ovc lavc -of mpeg -mpegopts format=dvd:tsaf \
   -vf scale=720:576,harddup -ofps 25 \
   -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:\
-keyint=15:aspect=16/9 -o <replaceable>movie.mpg</replaceable> <replaceable>movie.avi</replaceable>
+keyint=15:vstrict=1:aspect=16/9 -o <replaceable>movie.mpg</replaceable> <replaceable>movie.avi</replaceable>
 </screen>
 </para>
 </sect3>
@@ -4836,7 +4843,7 @@
 <screen>
 mencoder -oac copy -ovc lavc -of mpeg -mpegopts format=dvd:tsaf:telecine \
   -vf scale=720:480,harddup -lavcopts vcodec=mpeg2video:vrc_buf_size=1835:\
-  vrc_maxrate=9800:vbitrate=5000:keyint=15:aspect=16/9 -ofps 24000/1001 \
+  vrc_maxrate=9800:vbitrate=5000:keyint=15:vstrict=1:aspect=16/9 -ofps 24000/1001 \
   -o <replaceable>movie.mpg</replaceable> <replaceable>movie.avi</replaceable>
 </screen>
 </para>