From: Clément Bœsch Date: Sun, 21 Oct 2012 13:21:21 +0000 (+0200) Subject: doc/muxers: document mov faststart option. X-Git-Tag: android-x86-4.4-r1~8648 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=e168165489fedf8c21fec1aab950c6e1bc7a2104;p=android-x86%2Fexternal-ffmpeg.git doc/muxers: document mov faststart option. --- diff --git a/doc/muxers.texi b/doc/muxers.texi index 83c21dba67..34eed0fd20 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -252,7 +252,8 @@ See also the @ref{framemd5} muxer. The mov/mp4/ismv muxer supports fragmentation. Normally, a MOV/MP4 file has all the metadata about all packets stored in one location (written at the end of the file, it can be moved to the start for -better playback using the @command{qt-faststart} tool). A fragmented +better playback by adding @var{faststart} to the @var{movflags}, or +using the @command{qt-faststart} tool). A fragmented file consists of a number of fragments, where packets and metadata about these packets are stored together. Writing a fragmented file has the advantage that the file is decodable even if the @@ -310,6 +311,10 @@ more efficient), but with this option set, the muxer writes one moof/mdat pair for each track, making it easier to separate tracks. This option is implicitly set when writing ismv (Smooth Streaming) files. +@item -movflags faststart +Run a second pass moving the moov atom on top of the file. This +operation can take a while, and will not work in various situations such +as fragmented output, thus it is not enabled by default. @end table Smooth Streaming content can be pushed in real time to a publishing