Closed Alpha

FluxPlay is currently in Closed Alpha. This documentation is a work in progress and may be incomplete or out of date. Features, UI, and APIs are subject to change without notice. For access inquiries, please contact [email protected].

PLAYBACK & STREAMING

Understand how FluxPlay delivers your media with the best quality and performance across all your devices.

Playback Methods

Direct Play

Original quality streamed directly without processing

Zero quality loss

No CPU usage

Instant start

When: Device supports the file format

Remux

Container changed but video/audio untouched

Original quality

Minimal CPU

Quick start

When: Container incompatible (MKV to MP4)

Transcode

Real-time conversion of video and/or audio

Universal compatibility

Adaptive quality

HDR to SDR

When: Codec not supported or quality adjustment

Quality Settings

Quality	Resolution	Bitrate	Recommended Speed
4K HDR	2160p	40-80 Mbps	100+ Mbps
4K SDR	2160p	20-40 Mbps	50+ Mbps
1080p	1920x1080	8-15 Mbps	25+ Mbps
720p	1280x720	4-8 Mbps	10+ Mbps
480p	854x480	1-3 Mbps	5+ Mbps

Audio & Subtitles

Audio Tracks

Switch between available audio tracks during playback.

Multiple language support
Surround sound passthrough (5.1, 7.1, Atmos)
Automatic downmix to stereo
Priority based on profile preferences

Subtitles

Comprehensive subtitle support for all content.

SRT, VTT, ASS/SSA support
PGS/VobSub with burn-in
External subtitle auto-detection
Customizable appearance

Player Controls

Keyboard Shortcuts

Space / KPlay / Pause

FFullscreen

MMute / Unmute

← / JRewind 10s

→ / LForward 10s

↑ / ↓Volume

CToggle subtitles

IPlayback info

0-9Jump to %

Touch Controls

Tap centerPlay / Pause

Double-tap leftRewind 10s

Double-tap rightForward 10s

Swipe left/rightSeek

Swipe up/down (left)Brightness

Swipe up/down (right)Volume

PinchZoom / Aspect

Resume & Continue Watching

Automatic Saving

Your playback position is saved every few seconds automatically.

Cross-Device Sync

Stop on your phone, pick up where you left off on your TV.

Up Next

TV shows automatically advance to the next episode.

Common Playback Issues

Constant buffering

Lower quality setting
Check network speed
Use wired connection

No audio

Check volume controls
Try different audio track
Update browser

Subtitles not showing

Enable in player controls
Check file naming
Force transcoding for PGS

HDR washed out

Verify display HDR support
Enable HDR in OS
Enable tone mapping