Add vpx (de)muxing capabilities to mpegtsmux and mpegtsdemux

Submitted by Yann Jouanin

Description

Created attachment 343024
Patch to add vpx support to both mpegtsmux and mpegtsdemux

It is currently impossible to stream vpx codec with MPEG-TS muxer (demuxer).
This patch add this functionnality by creating a new stream type (private 0xe0) and a descriptor.

tested with vp8 and vp9

Patch 343024, "Patch to add vpx support to both mpegtsmux and mpegtsdemux":
0001-mpegtsmux-add-support-for-vpx-streams.patch