[Bug 654961] New: Improve ges-launch help text
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Wed Jul 20 05:03:53 PDT 2011
https://bugzilla.gnome.org/show_bug.cgi?id=654961
GStreamer | gst-editing-services | git
Summary: Improve ges-launch help text
Classification: Platform
Product: GStreamer
Version: git
OS/Version: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gst-editing-services
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: thaytan at mad.scientist.com
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
I found I couldn't craft a usable ges-launch rendering description from the
existing help text. Here's a possible improved version:
Usage:
lt-ges-launch-0.10 [OPTION...] [timeline] - plays or renders a timeline.
ges-launch renders a timeline, which can be specified on the commandline,
or loaded from a file using the -q option.
A timeline is a list of files, patterns, and transitions to be rendered
one after the other. Files and Patterns provide video and audio as the
primary input, and transitions animate between the end of one file/pattern
and the beginning of a new one. Hence, transitions can only be listed
in between patterns or files.
A file is a triplet of filename, inpoint (in seconds) and
duration (in seconds). If the duration is 0, the full file length is used.
Patterns and transitions are triplets that begin with either "+pattern"
or "+transition", followed by a <type> and duration (in seconds, must be
greater than 0)
Durations in all cases can be fractions of a second.
Example:
ges-launch file1.avi 0 45 +transition crossfade 3.5 file2.avi 0 0
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