Using Xorg-3d and pulseaudio/pavucontrol, I downloaded and installed vlc3, which played a video without problems: vlc
VLC media player 3.0.11.1 Vetinari (revision 3.0.11.1-0-g52483f3ca2)
[0981f270] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-tc'
[098942c0] qt interface error: Unable to load extensions module
[099517d0] main playlist: playlist is empty
libva info: VA-API version 1.13.0
libva info: Trying to open /usr/local/lib/dri/iHD_drv_video.so
libva info: va_openDriver() returns -1
libva info: Trying to open /usr/local/lib/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_1_12
libva info: va_openDriver() returns 0
[9c684250] avcodec decoder: Using Intel i965 driver for Intel(R) Haswell Mobile - 2.4.1 for hardware decoding
I did not load any other extensions