limitations.
-Recording a video with FFmpeg
------------------------------
+Recording a video with FFmpeg/Libav
+-----------------------------------
-You can make a video of the output by doing
+You can make a video of the output with FFmpeg by doing
+
+ apitrace dump-images -o - application.trace \
+ | ffmpeg -r 30 -f image2pipe -vcodec ppm -i pipe: -vcodec mpeg4 -y output.mp4
+
+or Libav (which replaces FFmpeg on recent Debian/Ubuntu distros) doing
apitrace dump-images -o - application.trace \
| avconv -r 30 -f image2pipe -vcodec ppm -i - -vcodec mpeg4 -y output.mp4