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authorJosé Fonseca <jose.r.fonseca@gmail.com>2013-05-29 23:40:44 +0100
committerJosé Fonseca <jose.r.fonseca@gmail.com>2013-05-29 23:40:44 +0100
commit097f9c6cf19c8eec6f9bc93e82bad9235c7c827c (patch)
tree1213c0419cbbb16e6185c872ae34a24f837c16ce /README.markdown
parent139cedfe13f8fd27b5c70280b3f2f4334cc46a2a (diff)
Mention both ffmpeg & libav.
Diffstat (limited to 'README.markdown')
-rw-r--r--README.markdown11
1 files changed, 8 insertions, 3 deletions
diff --git a/README.markdown b/README.markdown
index e22527eb..c6eced57 100644
--- a/README.markdown
+++ b/README.markdown
@@ -269,10 +269,15 @@ 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