Mention both ffmpeg & libav.

[apitrace] / README.markdown

diff --git a/README.markdown b/README.markdown
index 03f9e886bd57b048abd1fbfa860ee97fa07d01b4..c6eced574d28e416c727f8818a09c2d202fc10a3 100644 (file)
--- a/README.markdown
+++ b/README.markdown
@@ -269,14 +269,19 @@ This works only on Unices, and it will truncate the traces due to performance
 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
+
 Recording a video with gstreamer
 --------------------------------------