[vlc-devel] [PATCH] Bug Fix in Subtitle Track Synchronization

Shash shashank.ittiam at gmail.com
Tue May 17 17:20:39 CEST 2011

Hi All,

*Details on the issue:
VLC has support for Video-Audio, Video-Subtitle track synchronization.
(Tools -> Track Synchronization)
On setting "Advance of Subtitle over Video" to negative value (say -2
seconds), video gets paused for the same duration. (2 seconds).

*Details on the patch:*

Patch takes care of offset introduced for track synchronization by
appropriately modifying subtitle's presentation time.
Also in input module, updating of presentation time on subtitle track
synchronization is removed.

*Patch Significance:*
With this patch, you don't see video pause on adding negative offset to
Subtitle track over video. Also it takes the effect immediately.

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