From: W. Trevor King <wking@drexel.edu>
Date: Thu, 4 Aug 2011 03:31:01 +0000 (-0400)
Subject: Adjust ffmpeg signature in video post to track changing preset syntax.
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=87132fbefee4bd25dd3bd89746630d5c6af0bf02;p=blog.git

Adjust ffmpeg signature in video post to track changing preset syntax.
---

diff --git a/posts/video.mdwn b/posts/video.mdwn
index a5e5b02..c70a4a9 100644
--- a/posts/video.mdwn
+++ b/posts/video.mdwn
@@ -18,7 +18,7 @@ Encode your movie with something like (tagging flags removed)
     ffmpeg2theora --endtime 120 --optimize movie.mov
 
     ffmpeg -i movie.mov -t 120 -acodec libfaac -aq 200 -ac 1 -s
-        640x480 -vcodec libx264 -vpre slower -vpre ipod640 -b 800k -bt
+        640x480 -vcodec libx264 -preset slower -vpre ipod640 -b 800k -bt
         800k -aspect 640:480 -threads 0 movie.mp4
 
 For `-vpre`, take a look in `/usr/share/ffmpeg/`, which usually
@@ -28,6 +28,11 @@ baseling H.264 [should be][H264]:
 * H.264 Baseline: `avc1.42E0xx`, where xx is the AVC level
 * Low-Complexity AAC: mp4a.40.2
 
+The `slower` preset used to be a `vpre` file, but [became a `-preset`
+option][preset-slower] 30 commits before the 0.7.1 release.  The
+preset options came in [one commit eariler][preset], but this doesn't
+seem to have percolated through to the `man` page yet.
+
 You should use ffmpeg2theora v0.26 or greater, as v0.25 has
 audio/visual syncing issues.
 
@@ -52,3 +57,5 @@ To embed the movie, include something like:
 [VLC]: http://www.videolan.org/vlc/
 [H264]: http://wiki.whatwg.org/wiki/Video_type_parameters
 [ipod]: http://rob.opendot.cl/index.php/useful-stuff/ipod-video-guide/
+[preset-slower]: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=14360e078326f482d5ae39fe4d2e6038118c95ed
+[preset]: http://git.videolan.org/?p=ffmpeg.git;a=commit;h=0140d3f0921e5cbb6ea8706acb0307f7ff57a133