[MPlayer-DOCS] CVS: main/DOCS/xml/en mencoder.xml,1.66,1.67
Diego Biurrun CVS
syncmail at mplayerhq.hu
Mon May 16 11:52:55 CEST 2005
CVS change done by Diego Biurrun CVS
Update of /cvsroot/mplayer/main/DOCS/xml/en
In directory mail:/var2/tmp/cvs-serv22174/DOCS/xml/en
Modified Files:
mencoder.xml
Log Message:
Fix imprecise fps numbers, patch by Corey Hickey <bugfood-ml at fatooh dot org>.
Index: mencoder.xml
===================================================================
RCS file: /cvsroot/mplayer/main/DOCS/xml/en/mencoder.xml,v
retrieving revision 1.66
retrieving revision 1.67
diff -u -r1.66 -r1.67
--- mencoder.xml 15 May 2005 21:59:39 -0000 1.66
+++ mencoder.xml 16 May 2005 09:52:52 -0000 1.67
@@ -571,7 +571,7 @@
</para></listitem>
<listitem><para>
<emphasis role="bold">NTSC Video</emphasis>: Recorded with an
- NTSC video camera at 59.94 fields per second, or 60 fields per
+ NTSC video camera at 60000/1001 fields per second, or 60 fields per
second in the pre-color era.
Otherwise similar to PAL.
</para></listitem>
@@ -581,7 +581,7 @@
</para></listitem>
<listitem><para>
<emphasis role="bold">Computer Graphics (CG)</emphasis>: Can be
- any framerate, but some are more common than others; 23 and
+ any framerate, but some are more common than others; 24 and
30 frames per second are typical for NTSC, and 25fps is typical
for PAL.
</para></listitem>
@@ -643,7 +643,7 @@
shown alternately for the duration of 3 fields or 2 fields.
This gives a fieldrate 2.5 times the original framerate.
The result is also slowed down very slightly from 60 fields per
- second to 59.94 fields per second to maintain NTSC fieldrate.
+ second to 60000/1001 fields per second to maintain NTSC fieldrate.
</para></listitem>
<listitem><para>
<emphasis role="bold">NTSC 2:2 pulldown</emphasis>: Used for
@@ -692,29 +692,29 @@
<title>NTSC regions:</title>
<listitem><para>
If <application>MPlayer</application> prints that the framerate
- has changed to 23.976 when watching your movie, and never changes
- back, it is almost certainly 24fps content that has been
+ has changed to 24000/1001 when watching your movie, and never changes
+ back, it is almost certainly progressive content that has been
"soft telecined".
</para></listitem>
<listitem><para>
If <application>MPlayer</application> shows the framerate
- switching back and forth between 23.976 and 29.97, and you see
+ switching back and forth between 24000/1001 and 30000/1001, and you see
"combing" at times, then there are several possibilities.
- The 23.976 fps segments are almost certainly 24fps progressive
- content, "soft telecined", but the 29.97 fps parts could be
- either hard-telecined 24fps content or NTSC video content.
+ The 24000/1001 fps segments are almost certainly progressive
+ content, "soft telecined", but the 30000/1001 fps parts could be
+ either hard-telecined 24000/1001 fps content or 60000/1001 fields per second NTSC video.
Use the same guidelines as the following two cases to determine
which.
</para></listitem>
<listitem><para>
If <application>MPlayer</application> never shows the framerate
changing, and every single frame with motion appears combed, your
- movie is NTSC video at 59.94 fields per second.
+ movie is NTSC video at 60000/1001 fields per second.
</para></listitem>
<listitem><para>
If <application>MPlayer</application> never shows the framerate
changing, and two frames out of every five appear combed, your
- movie is "hard telecined" 24fps content.
+ movie is "hard telecined" 24000/1001fps content.
</para></listitem>
</itemizedlist>
@@ -1610,8 +1610,8 @@
deinterlace or not.
While deinterlacing will make your movie usable on progressive
scan displays such a computer monitors and projectors, it comes
- at a cost: The fieldrate of 50 or 59.94 fields per second
- is halved to 25 or 29.97 frames per second, and roughly half of
+ at a cost: The fieldrate of 50 or 60000/1001 fields per second
+ is halved to 25 or 30000/1001 frames per second, and roughly half of
the information in your movie will be lost during scenes with
significant motion.
</para>
@@ -1622,7 +1622,7 @@
You can always deinterlace the movie at playback time when
displaying it on progressive scan devices, and future players will
be able to deinterlace to full fieldrate, interpolating 50 or
- 59.94 entire frames per second from the interlaced video.
+ 60000/1001 entire frames per second from the interlaced video.
</para>
<para>
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