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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6005 b3059339-0415-0410-9bf9-f77b7e298cf2
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arpi 2002-05-06 23:01:30 +00:00
parent 24a34ce613
commit fcec2d0851
1 changed files with 17 additions and 4 deletions

21
DOCS/tech/vop.txt
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@ -33,9 +33,9 @@ Current plugins:
-vop expand[=w:h:x:y:o]
Expanding _and_ (optional) OSD rendering plugin.
w,h (expanded width,height) defaults to original width,height
x,y (position of original image on the expanded image) defaults to center
o (0=disable/1=enable SUB/OSD rendering) defaults to 0
w,h (expanded width,height) defaults (-1) to original width,height
x,y (position of original image on the expanded image) defaults (-1) to center
o (0=disable/1=enable SUB/OSD rendering) defaults (0) to disabled
MPI: DR (if possible) or copy
Special: mpcodecs core uses it to solve stride restrictions between filters
mencoder uses (autoload) it to render SUB/OSD
@ -61,6 +61,8 @@ Current plugins:
w,h (new width/height after scaling) defaults to original width,height
note: if -zoom is used, and underlaying filters (including libvo)
uncapable of scaling, then it defaults to d_width/d_height !
note 2: w/h values -1 means original width/height, 0 means scaled
d_width/d_height
MPI: TEMP, accepts stride
Special: dec_video and mpcodecs core autoloads it for colorspace conv.
@ -84,7 +86,7 @@ Current plugins:
format name, like rgb15, bgr24, yv12 etc...
note again, it does NOT do any conversion, it just limits the _next_
plugins format list.
MPI: -
MPI: passthru
-vop pp[=flags]
Postprocessing filter. (usefull for codecs without built-in
@ -104,3 +106,14 @@ Current plugins:
It uses libfame.
MPI: EXPORT special
-vop dvbscale[=aspect]
Setup scaling to the optimal values for the DVB card.
(use HW for X-scaling, calc sw Y scaling to keep aspect)
The 'aspect' parameter controls aspect ratio, it should be calculated
as aspect=DVB_HEIGHT*ASPECTRATIO, default is 576*(4/3)=768
(for 16:9 TV set it to 576*(16/9)=1024)
It's only usefull togethwer with expand+scale:
-vop lavc,expand=-1:576:-1:-1:1,scale=-1:0,dvbscale
MPI: passthru