x11grab: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>
x11grab: Small near-cosmetic refactorings

Signed-off-by: Diego Biurrun <diego@biurrun.de>
x11grab: Drop a spurious space in the extension reporting message

Signed-off-by: Diego Biurrun <diego@biurrun.de>
x11grab: Use a typedef for the context, as most other code does

Signed-off-by: Diego Biurrun <diego@biurrun.de>
matroska: list supported extensions
avcodec: add stream-level stereo3d side data
matroskadec: parse stereo mode on decoding

Convert the Matroska stereo format to the Stereo3D format, and add a
Stereo3D side data to the stream.

Bump the doctype version supported.

Bug-Id: 728 / https://bugs.debian.org/757185
matroskaenc: convert avstream stereo3d side data during encoding

Write the StereoMode Embl to bitstream.
license: Mention that vf_interlace is GPL, not LGPL
x265: Use the encoder defaults

Reset the settings as it is done for x264.
rtpdec: HEVC/H.265 support

As specified in draft-ietf-payload-rtp-h265-06.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
ppc: Support little endian intreadwrite