Difference between revisions of "Libavfilter"

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== Installing libavfilter with ffmpeg ==
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#REDIRECT [[FFmpeg]]
 
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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.
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To enable them, you'll have to install ffmpeg from SVN and configure it with --enable-filter=movie --enable-avfilter-lavf
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1. Install libavfilter from SVN
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  svn co svn://svn.ffmpeg.org/soc/libavfilter
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  ./checkout.sh
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2. Configure and make:
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  cd ffmpeg
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  ./configure --enable-filter=movie --enable-avfilter
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  make
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If you want to add most commonly used formats to your ffmpeg binary, your ./configure line may look something like this:
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  ./configure --enable-filter=movie --enable-avfilter --enable-libmp3lame \
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  --enable-libtheora --enable-libvorbis --enable-libx264 \
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  --enable-libxvid --enable-gpl
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The new ffmpeg binary will in the the 'ffmpeg' folder.
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Example for watermarking a video with ffmpeg:
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  ./ffmpeg -i video.avi -vf "movie=0:png:logo.png [wm];[in][wm] overlay=X:Y:1 [out]" out.avi
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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.
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Latest revision as of 20:43, 29 May 2013

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