4K on Android TV box

[bogdanw]

Hello, I’ve noticed some unexpected 1920x1080 mentions in log while trying to play a 4K video file on an Android TV box (Videostrong KIII Pro) connected to a 4K display.

libvlc window: looking for vout window module matching "any": 1 candidates
libvlc window: InitJNIFields success
libvlc window: resized to 1920x1080
libvlc window: using vout window module "android_window"
libvlc video output: Opening vout display wrapper
libvlc vout display: looking for vout display module matching "any": 5 candidates
libvlc window: request 1 not implemented
libvlc vout display: VoutDisplayEvent 'resize' 1920x1080
libvlc vout display: Could not initialize NativeWindow Priv API.
libvlc vout display: using opaque
libvlc vout display: using vout display module "android_display"
libvlc vout display: PoolAlloc: request 26 frames
libvlc vout display: PoolAlloc: got 31 frames
libvlc video output: original format sz 3840x2160, of (0,0), vsz 3840x2160, 4cc ANOP, sar 1:1, msk r0x0 g0x0 b0x0
libvlc window: request 0 not implemented
libvlc window: request 0 not implemented
libvlc vout display: change display size: 1920x1080
libvlc spu text: removing module "freetype"
libvlc vout display: change source crop/aspect
libvlc window: request 1 not implemented

What do they mean?

This is the first part of the log.

ELF ABI = arm, 32bits
ELF arch = v7
ELF fpu = false
machineSpecs: hasArmV6: true, hasArmV7: true, hasX86: false, is64bits: false
VLC media player - 3.0.0-rc6 Vetinari
Copyright © 1996-2018 the VideoLAN team
revision 3.0.0-rc5-89-gced0c03d9d

[bogdanw]

No-one has any clue why VLC is resizing to 1920x1080?

[tguillem]

This is the size reported by:
Activity.getWindow().getDecorView().getWidth();
Activity.getWindow().getDecorView().getHeight();

It should be 4K for you.

[bogdanw]

It seems the device has wm size set to 1920x1080. Does that affect the quality of VLC playback?

[Dekans]

Yes, VLC asks Android which size it can display videos.