[MEncoder-users] bmovl

[Chris Reynolds]

I'm not having any luck getting the -vhook to work, I
keep getting this 

FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice
Bellard
  configuration:  --prefix=/usr --libdir=/usr/lib
--mandir=/usr/share/man --incdir=/usr/include/ffmpeg
--enable-mp3lame --enable-libogg --enable-vorbis
--enable-theora --enable-faad --enable-faac
--enable-libgsm --enable-xvid --enable-x264
--enable-a52 --enable-a52bin --enable-dts --enable-pp
--enable-shared --enable-pthreads --enable-gpl
--disable-opts --disable-strip
  libavutil version: 49.0.0
  libavcodec version: 51.7.0
  libavformat version: 50.3.0
  built on May 16 2006 08:33:26, gcc: 4.1.0 20060304
(Red Hat 4.1.0-3)
Input #0, mpegvideo, from 'Ektachrome_64t.mp2':
  Duration: 00:01:45.8, start: 0.000000, bitrate: 8001
kb/s
  Stream #0.0, 29.97 fps(r): Video: mpeg2video,
yuv420p, 720x480, 8000 kb/s
get_watermark_picture() Failed to find any video
stream
Failed to Configure /usr/lib/vhook/watermark.so
Failed to add video hook function:
/usr/lib/vhook/watermark.so -f mask.gif


--- "jay.r" <jay.r at funwithmsn.com> wrote:

> Hi Chris
> 
> I needed something like that for placing a logo or
> something else in  
> the right bottom corner a couple of days ago.
> I tried working with bmovl but the results were very
> bad.. (slow +  
> movie was fucked up totally, mirrored parts, etc)
> you also haven't got many options, and the
> documentation of that  
> function is really crappy...
> So I started to look around and found that there was
> a -vhook  
> function in ffmpeg, where you can use watermarking..
> I first encode my movie with mencoder and then I use
> ffmpeg for  
> compressing it + placing the logo..
> this is what I use as a command:
> $exec = "/usr/local/bin/ffmpeg -i
> {$this->outputfile}.flv -vcodec flv  
> -b 200 -ar 22050 -vhook
> '/usr/local/lib/vhook/watermark.so -f /home/ 
> jayr/public_html/images/logo.gif' -ab 48
> {$this->outputfile}1.flv";
> an example of the logo can you find here:
> http://engene.se/ 
> ffmpeg_watermark.gif
> Make sure that the gif image is the size of your
> movie (resize it if  
> necessary with mencoder.. -of:scale.. 	)
> The background of the gif image needs to be gray, if
> you want it to  
> be transparant ( use the color value of the
> background in the url  
> here above )
> Try it with a black or white text and see the
> results.. you may need  
> to adjust the gif a couple of times to get the right
> results..
> Don't waste your time on that bmovl function.. that
> 's the only  
> advice I can give you ;)
> 
> Regards
> Jay
> 
> 
> 
> On Jun 29, 2006, at 4:32 PM, Chris Reynolds wrote:
> 
> > Ok, so far so good everything I need to do is
> working
> > out. so I only have one more thing I want to do to
> my
> > video clip and that is to use an overlay to mask
> off
> > certain edges.
> >
> > I've been reading about bmovl but I'm having a
> really
> > hard time understanding how I'm supposed to use
> it. I
> > have a black and white bitmap image that I created
> and
> > want to use as the mask. Is there anyone that can
> give
> > me an example of the code to overlay that onto the
> > video and mask off the left and right edges of the
> > frame?
> >
> > chris
> >
> > PS. I really appreciate all the help I've gotten
> >
> > Chris Reynolds
> >
> > http://builderofstuff.com
> >
> > "Computers are like air conditioners - They can't
> do their job  
> > properly if you open windows."
> > _______________________________________________
> > MEncoder-users mailing list
> > MEncoder-users at mplayerhq.hu
> >
>
http://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
> >
> >
> 
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> 


Chris Reynolds

http://builderofstuff.com

"Computers are like air conditioners - They can't do their job properly if you open windows."