Difference between revisions of "Libavfilter"
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== Installing libavfilter with ffmpeg == | == Installing libavfilter with ffmpeg == | ||
Revision as of 21:09, 23 May 2013
Installing libavfilter with ffmpeg
The ffmpeg in the current repositories comes without most filters, such as overlay and movie. Those are needed if you want to watermark videos or add a logo to a video. To enable them, you'll have to install ffmpeg from SVN and configure it with --enable-filter=movie --enable-avfilter-lavf
1. Install libavfilter from SVN
svn co svn://svn.ffmpeg.org/soc/libavfilter ./checkout.sh
2. Configure and make:
cd ffmpeg ./configure --enable-filter=movie --enable-avfilter make
If you want to add the most commonly used formats to your ffmpeg binary, your ./configure line may look something like this:
./configure --enable-filter=movie --enable-avfilter --enable-libmp3lame \ --enable-libtheora --enable-libvorbis --enable-libx264 \ --enable-libxvid --enable-gpl
The new ffmpeg binary will in the the 'ffmpeg' folder.
Example for watermarking a video with ffmpeg:
./ffmpeg -i video.avi -vf "movie=0:png:logo.png [wm];[in][wm] overlay=X:Y:1 [out]" out.avi
You'll have to replace X and Y with the actual offset in the video, where you would like your logo or watermark to be positioned.