video_player_win

BREAKING CHANGE: now WinVideoPlayer and VideoPlayer DO NOT automatically keep aspect ratio, act as video_player.

Fix #44: Fix setLooping(true) will auto play without video frames when play ended

Fix crash issue if Windows not support DirectX 12.

Re-implemented by IMFMediaEngine API of Windows Media Foundation.

Fix @41: can't play video if no audio out device

destroy all old players when hot-restart in debug mode.

* Fix exception

Fix: unexpected dispose controller when VideoPlayer created without use it, even if it is still referenced.

Fix: crash when open wrong file path or url.

Fix: controller.setPlaybackSpeed() not working

update README: no need to call registerWith()

Fix: getCurrentPosition() shouldn't return 0 during seeking

Fix: sometimes crash when closing player

Fix: cannot play video path containing non-ASCII characters

Fix: shouldn't auto play when seeking in pause state

* Enhance performance * Fix memory leak * Fix SetVolume() issue

Enable GPU hardware acceleration

* Support non-English filename

Fix video skew when width or height is not multiple of 16

Fix crash when dispose video which has no audio or video stream

* support AV1 video * enhance playback performance

* fix compile error

* change sdk version limitation

* fix crash issue * fix memory leak

* modify README.md

* modify README.md

* Fix SetLooping() * Fix bug when play to end

* Fix memory leak in cpp code

* Initial version