From 0fa0b5e571f59b8a28f2c08aaec65c904299c1af Mon Sep 17 00:00:00 2001 From: arpi Date: Sun, 31 Aug 2003 21:23:58 +0000 Subject: vf_tile & _framestep added patch by danny git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10749 b3059339-0415-0410-9bf9-f77b7e298cf2 --- DOCS/en/mplayer.1 | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'DOCS') diff --git a/DOCS/en/mplayer.1 b/DOCS/en/mplayer.1 index f8898849b3..c384177be4 100644 --- a/DOCS/en/mplayer.1 +++ b/DOCS/en/mplayer.1 @@ -2977,6 +2977,52 @@ send 1,8MB of RGBA32 data everytime a small part of the screen is updated. .REss .RE .PD 1 +.TP +.B "framestep=I|[i]step" +Filters only the Intra (Key) frame or one every step frmae. +If you call the filter with I (uppercase) as the parameter then ONLY +the keyframes are outputted. +For DVD it means, generally, one every 15/ 12 frames (IBBPBBPBBPBBPBB), +for avi it means every scene change or every keyint value (see -lavcopts +keyint= value if you use mencoder to encode the videos). + +When a key frame is found a I! followed by a cr is printed, leaving +the current line of mplayer/mencoder, where you got the time (in seconds) +and frame of the key (use this information to split the AVI). + +If you call the filter with a numeric parameter n then only one frame +every n is outputted. + +If you put a 'i' (lowercase) before the number then a I! is printed +(like the I parameter). + +If you put only the i then nothing is done on the frames, only the I! is +printed. +.TP +.B "tile=xtile:ytile:output:start:delta" +Tile a serie of image in a single, bigger, image. + +The parameters are: +.PD 0 +.RSs +.IPs xtile +number of tiles on the x axis (5) +.IPs ytile +number of tiles on the y axis (5) +.IPs xytile +when write the image, it can be different then xtile * ytile +(for example you can write 8 * 7 tile, writing the file every +50 frame, to have one image every 2 seconds @ 25 fps ). +.IPs start +pixel at the start (x/y), default 2 +.IPs delta +pixel between 2 tile, (x/y), default 4 +.RE +.PD 1 +If you omit a parameter or put a value less then 0, the default is used. +You can also stop when you're ok (... -vf tile=10:5 ...) + +Probably is good to put the scale filter before the tile :-) .SH "GENERAL ENCODING OPTIONS (MENCODER ONLY)" -- cgit v1.2.3