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octave-forge video package
From: |
Christian Scholz |
Subject: |
octave-forge video package |
Date: |
Sat, 30 Mar 2013 15:23:36 +0100 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130307 Thunderbird/17.0.4 |
Hi everyone,
I had some problems building the video package on my system using the
code provided on the website.
After help from #octave I got it to work with the current svn and the
following changes applied:
--- configure.ac (revision 11765)
+++ configure.ac (working copy)
@@ -22,7 +22,7 @@
AC_CHECK_LIB([avformat], [av_write_frame], [],
[AC_MSG_ERROR([$PACKAGE_NAME requires libavformat from
FFmpeg])])
-AC_CHECK_LIB([avcodec], [av_malloc], [],
+AC_CHECK_LIB([avutil], [av_malloc], [],
[AC_MSG_ERROR([$PACKAGE_NAME requires libavcodec from
FFmpeg])])
AC_CHECK_LIB([swscale], [sws_scale], [],
[AC_MSG_ERROR([$PACKAGE_NAME requires libswscale from
FFmpeg])])
because av_malloc is part of lavutil on my system. Don't know if that
counts as a bug, but I wanted to contribute that.
Also I'm really interessted in expanding the package, however I'm not
familier with the octave source.
What I'm trying to do is to expand the aviread function in order to read
multiple frames at once
(specified by an index vector, so that it works like its matlab
counterpart).
Is there someone working on the package? Any hints on how to get
familiar with the octave types and
classes, apart from reading through the whole source?
Best wishes,
Christian