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mirror of https://github.com/mpv-player/mpv synced 2025-01-26 09:33:30 +00:00

document new 2pass syntax, remove/fix lots of obsolete junk in docs

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8036 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rfelker 2002-11-02 05:42:11 +00:00
parent fd1f19b7be
commit 658d3e3d64
2 changed files with 19 additions and 24 deletions

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@ -106,9 +106,9 @@
can come from a previous 3-pass encoding (it interferes with current
one)<BR>
<CODE>&nbsp;&nbsp;&nbsp;&nbsp;mencoder -dvd 2 -ovc lavc -lavcopts
vcodec=mpeg4:more_options -oac copy -o movie.avi -pass 1<BR>
vcodec=mpeg4:vpass=1:more_options -oac copy -o movie.avi<BR>
&nbsp;&nbsp;&nbsp;&nbsp;mencoder -dvd 2 -ovc lavc -lavcopts
vcodec=mpeg4:more_options -oac copy -o movie.avi -pass 2</CODE></P>
vcodec=mpeg4:vpass=2:more_options -oac copy -o movie.avi</CODE></P>
<P><U><B>3-pass encoding:</B></U> this is an extension of 2-pass encoding,
where the audio encoding takes place in a separate pass. This method enables
@ -126,14 +126,14 @@
prints the recommended bitrate values for 650Mb, 700Mb, and 800Mb
destination sizes, after this pass finishes.</P></LI>
<LI>Second pass:
<P><CODE>mencoder &lt;file/DVD&gt; -oac copy -pass 1
-ovc lavc -lavcopts vcodec=mpeg4:vbitrate=&lt;bitrate&gt;</CODE></P>
<P><CODE>mencoder &lt;file/DVD&gt; -oac copy
-ovc lavc -lavcopts vcodec=mpeg4:vpass=1:vbitrate=&lt;bitrate&gt;</CODE></P>
<P>Alias the first pass of DivX4 video encoding.
Optionally specify the video bitrate MEncoder printed at the end of
the previous pass.</P></LI>
<LI>Third pass:
<P><CODE>mencoder &lt;file/DVD&gt; -oac copy -pass 2
-ovc lavc -lavcopts vcodec=mpeg4:vbitrate=&lt;bitrate&gt;</CODE></P>
<P><CODE>mencoder &lt;file/DVD&gt; -oac copy
-ovc lavc -lavcopts vcodec=mpeg4:vpass=2:vbitrate=&lt;bitrate&gt;</CODE></P>
<P>Alias the second pass of DivX4 video encoding.
Optionally specify the video bitrate MEncoder printed at the end of
the previous pass. In this pass, audio from <CODE>frameno.avi</CODE> will
@ -148,9 +148,9 @@
<CODE>&nbsp;&nbsp;&nbsp;&nbsp;mencoder -dvd 2 -ovc frameno
-o frameno.avi -oac mp3lame -lameopts vbr=3:more_options<BR>
&nbsp;&nbsp;&nbsp;&nbsp;mencoder -dvd 2 -ovc lavc
-lavcopts vcodec=mpeg4:more_options -oac copy -o movie.avi -pass 1<BR>
-lavcopts vcodec=mpeg4:vpass=1:more_options -oac copy -o movie.avi<BR>
&nbsp;&nbsp;&nbsp;&nbsp;mencoder -dvd 2 -ovc lavc
-lavcopts vcodec=mpeg4:more_options -oac copy -o movie.avi -pass 2</CODE></P>
-lavcopts vcodec=mpeg4:vpass=2:more_options -oac copy -o movie.avi</CODE></P>
<P><U><B>2 or 3-pass encoding using internal libavcodec controller:</B></U>
Optionally you can use libavcodec's internal 2 or 3-pass mode, it may give
@ -159,13 +159,13 @@
<UL>
<LI><B>2-pass encoding:</B><BR>
<CODE>rm -f lavc_stats.txt<BR>
<CODE>
mencoder -dvd 2 -ovc lavc -lavcopts vcodec=mpeg4:vpass=1 (audio-options) -o
movie.avi<BR>
mencoder -dvd 2 -ovc lavc -lavcopts vcodec=mpeg4:vpass=2 (audio-options) -o
movie.avi</CODE></LI>
<LI><B>3-pass encoding:</B><BR>
<CODE>rm -f frameno.avi lavc_stats.txt<BR>
<CODE>rm -f frameno.avi<BR>
mencoder -dvd 2 -ovc frameno (audio-options) -o frameno.avi<BR>
mencoder -dvd 2 -ovc lavc -lavcopts vcodec=mpeg4:vpass=1 -oac copy -o
movie.avi<BR>
@ -332,8 +332,8 @@ Explanation of the process:
&nbsp;&nbsp;<CODE>rm subtitles.idx subtitles.sub</CODE><BR>
&nbsp;&nbsp;<CODE>mencoder -dvd 1 -vobsubout subtitles -vobsuboutindex 0
-sid 2 -o frameno.avi -ovc frameno -oac mp3lame -lameopts vbr=3</CODE><BR>
&nbsp;&nbsp;<CODE>mencoder -dvd 1 -oac copy -ovc divx4 -pass 1</CODE><BR>
&nbsp;&nbsp;<CODE>mencoder -dvd 1 -oac copy -ovc divx4 -pass 2 -vobsubout
&nbsp;&nbsp;<CODE>mencoder -dvd 1 -oac copy -ovc divx4 -divx4opts pass=1</CODE><BR>
&nbsp;&nbsp;<CODE>mencoder -dvd 1 -oac copy -ovc divx4 -divx4opts pass=2 -vobsubout
subtitles -vobsuboutindex 1 -sid 5</CODE></P>
<P><I>Copying a french subtitle from an MPEG file</I><BR>

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@ -1800,12 +1800,16 @@ rate control reaction period
rate control reaction ratio
.IPs crispness=<0\-100>
specify crispness/\:smoothness
.IPs pass=<1\-2>
With this you can encode 2pass DivX4 files.
First encode with pass=1, then with the same parameters, encode with
pass=2.
.IPs vbrpass=<0\-2>
Override the -pass argument and use XviD VBR Library instead of DivX4
Override the pass argument and use XviD VBR Library instead of DivX4
VBR. Available options are:
.
.RSss
0: one pass encoding (as in not putting -pass on the command line)
0: one pass encoding (as in not putting pass on the command line)
.br
1: Analysis (first) pass of two pass encoding.
The resulting AVI file can be directed to /dev/null.
@ -2316,15 +2320,6 @@ encode with a libavcodec codecs
.PD 1
.
.TP
.B \-pass <1/\:2>
With this you can encode 2pass DivX4 files.
First encode with \-pass\ 1, then with the same parameters, encode with
\-pass\ 2.
.I NOTE:
.br
Use \-lavcopts vpass=1/\:2 for libavcodec 2-pass instead of \-pass\ 1/\:2.
.TP
.B \-passlogfile <filename>
When encoding in 2pass mode, MEncoder dumps first pass' informations
to the given file instead of the default divx2pass.log.
@ -2685,7 +2680,7 @@ mencoder \-tv on:driver=v4l:width=640:height=480 \-o tv.avi \-ovc rawrgb
.TP
.B Encoding from a pipe
rar p test-SVCD.rar | mencoder \-ovc divx4 \-divx4opts br=800 \-ofps 24
\-pass\ 1 \-\- \-
\-\- \-
.TP
.B Encoding multiple *.vob files
cat *.vob | mencoder <options> \-