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small updates taken from a patch by Piero Bugoni, crboca32 yahoo com

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Originally committed as revision 8241 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Piero Bugoni 2007-03-05 08:36:52 +00:00 committed by Diego Biurrun
parent 7205395b68
commit af4372560a
1 changed files with 9 additions and 0 deletions
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9
doc/hooks.texi
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@ -24,6 +24,11 @@ Modules are loaded using the -vhook option to ffmpeg. The value of this paramete
is a space separated list of arguments. The first is the module name, and the rest
are passed as arguments to the Configure function of the module.
The modules are dynamic libraries: They have different suffixes (.so, .dll, .dylib)
depending on your platform. And your platform dictates if they need to be
somewhere in your PATH, or in your LD_LIBRARY_PATH. Otherwise you will need to
specify the full path of the vhook file that you are using.
@section null.c
This does nothing. Actually it converts the input image to RGB24 and then converts
@ -46,6 +51,10 @@ supports a fixed overlay or reading the text from a file. The string
is passed through strftime so that it is easy to imprint the date and
time onto the image.
This module depends on the external library imlib2, available on
Sourceforge, among other places, if it is not already installed on
your system.
You may also overlay an image (even semi-transparent) like TV stations do.
You may move either the text or the image around your video to create
scrolling credits, for example.