matroskademux: extract cluster prevsize if available
authorTim-Philipp Müller <tim@centricular.com>
Wed, 18 Jan 2017 10:27:38 +0000 (10:27 +0000)
committerTim-Philipp Müller <tim@centricular.com>
Mon, 27 Aug 2018 21:00:53 +0000 (23:00 +0200)
commit93ddea2a70991f24f2b4de81d2d9beb0136c9a5e
treec97f2b735d3d35334ecd6144392c3566dfbe240c
parent480a7bcab8cf778d455bbd13ac43aed563525d1a
matroskademux: extract cluster prevsize if available

This is useful for reverse playback/trickmodes
without an index, and will also be useful in the
seek handler if we need to scan back to find a cluster
that starts with a keyframe.

https://bugzilla.gnome.org/show_bug.cgi?id=790696
gst/matroska/matroska-demux.c
gst/matroska/matroska-demux.h