Update multimedia/mpv to 0.14.0.

Changes:
Release 0.14.0
==============
Build System Changes
--------------------
- build: install scalable svg icon as well
- vo_opengl: require --enable-gpl3 for nnedi
- win32: enable internal pthreads wrapper by default

Features
--------
New
~~~
- vo_opengl: add experimental dxinterop backend (renders with OpenGL, displays through Direct3D; broken with Intel drivers)
- vo_opengl: add initial ANGLE support
- windows: implement icc-profile-auto
- windows: support taskbar button progress indicator (issue #2399)

Removed
~~~~~~~
- Windows XP support
- demux: remove old subtitle parser (FFmpeg users are unaffected; Libav loses support for some minor formats)
- demux_libass: remove this demuxer (libavformat takes its place)
- stream: drop old Linux PVR support

Options and Commands
--------------------
Added
~~~~~
- command, vo: add estimated-display-fps property
- command: add vsync-ratio property
- command: export some per-video-frame information (issue #2444)
- vo_opengl: make LOOKUP_TEXTURE_SIZE configurable
- windows: add option to set VO MMCSS profile

Changed
~~~~~~~
- --sub-fix-timing now applies to ASS subtitles as well
- command: rename vo-missed-frame-count property to vo-delayed-frame-count
- input.conf: add default bindings for changing window scale (issue #2500)
- videotoolbox: make decoder format customizable
- vo_opengl: disable interpolation without display-sync
- vo_opengl: make tscale=mitchell:tscale-clamp the default
- vo_rpi: add an option to disable OSD

Fixes and Minor Enhancements
----------------------------
- af_lavrresample: clamp float output to range
- ao: disambiguate default device list entries
- ao_alsa: filter audio device list
- ao_alsa: list bidirectional devices too
- ao_openal: accommodate more sample formats (issue #2494)
- ao_openal: fix virtual speaker positioning
- ao_wasapi: only report per-app volume in shared mode
- ao_wasapi: work around DTS passthrough failure
- build: make vaapi-wayland depend on gl-wayland (issue #2476)
- demux: fix seeking in .ts
- demux_lavf: mark ASS tracks as always UTF-8
- demux_mkv: fix incremental indexing with single-keyframe files (issue #2498)
- drm: fix setting up connectors
- dxva2: reject 10 bit HEVC (issue #2516)
- player: replace mistimed-frame-count with vsync-ratio on status line
- sd_ass: fix secondary subtitle mode
- various display-sync improvements
- vo_opengl: enable NNEDI3 prescaler on OpenGL ES 3.0
- vo_opengl: enable colormatrix even for RGB input
- vo_opengl: fix backend autoprobing, attempt to improve GLX vs. EGL backend detection
- vo_opengl: fix backend=x11 on Intel
- vo_opengl: fix issues with some obscure pixel formats (e.g. rgb555)
- vo_opengl: fix precision loss of fruit dithering matrix
- vo_opengl: force dumb mode if RG textures are not available
- vo_opengl: improve boundary check for polar filters
- vo_opengl: various GLES compatibility improvements
- vo_opengl: win32: test for exclusive mode
- vo_opengl_cb: do not block on flipping when redrawing
- vo_rpi: set aspect ratio
- win32: fix console output with raw stdio functions
- windows: try to avoid detection as exclusive fullscreen window (issue #2177)
- x11: request bypassing compositor (issue #2502)


(leot)