mesa-vdpau-gallium : VA-API dont work on qualcomm adreno
vainfo log :
Trying display: wayland
libva info: VA-API version 1.18.0
libva info: Trying to open /usr/lib/dri/msm_drv_video.so
libva info: va_openDriver() returns -1
vaInitialize failed with error code -1 (unknown libva error),exit
mesa-vdpau-gallium did not package qualcomm adreno harware encodeing driver