Log Message:
xine-lib: update to 1.2.9

2018-01-11: Release
xine-lib 1.2.9
 Changes include new video single step feature, keyframe index and x32
 support. Optimizations in xine engine core functionality, resulting in
 ex. faster seeking and smaller CPU usage. Small fixes and optimizations
 all around the codebase.

2017-02-21: Release
xine-lib 1.2.8
 Lot of changes since 1.2.6. Support for modern codecs, hardware and
 software. Small fixes and optimizations all around the codebase.

 OpenGL 2.0, Xv and VAAPI fixes. H.265 hardware decoding support (VAAPI).
 Hardware overlay support with Raspbery Pi.

 Support for recent ffmpeg versions. Deep color support (9/10bit) with
 ffmpeg. Multithreaded decoding fixes.

 Audio channel mixing and gain control improvements (ffmpeg, faad), AAC
 LATM support with faad, DVB AAC compatibility fixes. "Time Domain Audio
 Analyzer" Visualization Post Plugin.

 Auto recover from temporary DVB signal loss. Improved Matroska
 compatibility (TrueHD and PCM sound, HDMV/Text subtitles, compressed
 PGS subtitles). Qt fixes, support for low framerate mp4 and H.265 in mp4.
 mp3 compatibility fixes.