SONDERBAR // Open Source

NVDEC-Play 1.0 key bindings and mouse controls.

Key Function
AUDIO --- m Pressing m toggles audio mute on or off during playback at any time with one keystroke.
FRAME --- COMMA Comma moves backward by one video frame and pauses playback when you press it.
FRAME --- POINT The period key advances the video by one frame, then pauses playback during playback.
PAUSE --- SPACE Toggles playback between playing and pausing. Right-click with your mouse to do the same.
FULLSCREEN --- f Toggles fullscreen. You can also click the left mouse button to do the same.
QUIT --- q ESC CLOSE_WIN Quits NVDEC-Play. You can press q, Esc, or click the X button on the window.
SEEK --- LEFT ARROW Seeks backward by 5 seconds when you press the key or scroll the mouse wheel upward.
SEEK --- RIGHT ARROW Seeks forward by 5 seconds when you press the key or scroll the mouse wheel downward.
SEEK --- UP Seek 1 minute forward.
SEEK --- DOWN Seek 1 minute backward.
A-B LOOP --- l l set the loop start (A), press l to set the loop end (B) or clear the A–B loop if you press l again.
INFO --- i Displays video information for 5 seconds. Checks hardware decoding; nvdec is NVIDIA’s video decoder.
INFO --- o Shows the current time, total duration, playback position, and other playback information.
INFO --- P Show playback progress.
SCREENSHOT --- s Take a screenshot at the original video resolution without subtitles.
SCREENSHOT --- Alt+s Automatically screenshot every frame; issue this command again to stop taking screenshots.
VIDEO --- 1 2 Increase or decrease brightness.
VIDEO --- 3 4 Increase or decrease contrast.
VIDEO --- 5 6 Increase or decrease saturation.
VIDEO --- 7 8 Increase or decrease gamma.
VIDEO --- r Reset all adjustments: brightness, contrast, saturation, gamma.
VIDEO --- A Override video aspect ratio: "16:9" "4:3" "2.35:1" "Original"

🎬 Supported Codecs

MPEG-2, VC-1 (WMV), some MPEG-4, H.264/AVC, H.265/HEVC, VP8, VP9, AV1. NVDEC cannot hardware-accelerate every video codec or every video format / profile.

🧩 Vulkan GLSL Shaders

+ Vulkan DeblockForge-8X8 2.0
+ Vulkan ChromaFromLumaPrediction 1.1

These shaders are only applied when a video is upscaled. More shaders soon.

🌐 Fedora 43 only. (Oct 22 2026)

NVDEC-Play 1.0 NVDEC-Play is complex, it doesn’t work with AppImage (bundles the application along with its dependencies). More Linux distributions will be supported soon. AppImage file deleted for now.