TiviMate Playback Settings Explained, Option by Option

TiviMate playback settings control how the app turns your provider’s stream into picture and sound: which decoder it uses, how much it buffers, whether it switches your TV’s frame rate, how audio reaches your speakers and whether another player takes over. This page explains what each option does under the hood and the signs that tell you to change it. It is a reference, not a list of recommended values; for our suggested starting setup, see TiviMate tips and tricks.

Option names and positions change between versions, and some only appear on devices whose hardware supports them. Most live under Settings > Playback; playlist-level options such as user agent sit in the playlist’s own settings.

Video decoder: hardware or software

Every IPTV stream arrives compressed, usually as H.264 or H.265 (HEVC). The decoder unpacks it into frames.

• Hardware decoding hands the work to the dedicated video chip in your device. It uses little power, stays cool, and is the only practical way to play 4K or HEVC on a streaming stick.
• Software decoding does the work on the main processor. It is more tolerant of oddly encoded streams, but it is far heavier, and on budget devices it can drop frames on HD and fail on 4K.

Some versions offer a middle option (often labeled with a plus sign) that uses hardware decoding with workarounds for devices that misreport their capabilities. Change away from hardware only when a specific symptom points to it: a black screen with sound, green or corrupted blocks, or a channel that plays in another app but not in TiviMate. Some versions let you set the decoder per channel, which is better than changing it globally.

What is tunneled playback in TiviMate?

Tunneled playback, called multimedia tunneling in Android TV’s documentation, sends compressed video straight from the hardware decoder to the display, with timing controlled by the device’s own clock rather than by the app. The frames never pass through the app or the normal Android graphics path.

• Benefits: more accurate audio and video sync and smoother frame cadence, especially on 4K and HDR content, on devices that implement it well.
• Drawbacks: because video bypasses the graphics stack, some overlays and effects can misbehave, and video follows the audio clock, so an audio hiccup can stall the picture. Support depends on the device maker’s implementation, and some devices handle it poorly.

Turn it on if you see judder or drifting lip sync on a device known to support it, such as higher-end Android TV boxes. Turn it off if it causes stalls when changing channels, black screens or missing subtitles. If the option is not shown, your device does not advertise tunneling support. For lip-sync problems specifically, also check the audio delay option during playback.

Auto frame rate (AFR)

Live TV comes in different frame rates: US broadcasts are mostly 30 or 60 frames per second, while many European channels and some sports feeds are 25 or 50. If your TV is locked to 60 Hz and the stream is 50, frames are repeated unevenly and motion looks jerky, which is most visible on panning shots in sports.

AFR tells the device to switch the display’s refresh rate to match each stream. The trade-off is a short blank screen while the TV changes mode, every time you change to a channel with a different rate. It only works if the device’s own match-frame-rate or match-content setting is enabled. Use it if you watch a mix of 50 and 60 Hz channels; leave it off if all your channels share one rate or the blanking bothers you more than judder. AFR has been listed as a Premium feature in some versions.

Video output format and display options

Depending on version and device, you may see options for the video output or surface, deinterlacing, aspect ratio and HDR handling.

• Video output or surface type chooses how decoded frames are drawn on screen. The default is the most efficient; an alternative can fix flicker or a black picture on some devices at the cost of efficiency.
• Deinterlacing matters for 1080i channels, which many US cable networks still broadcast. Without it, fast motion shows comb-like lines.
• Aspect ratio and zoom control stretching for 4:3 or letterboxed channels.
• HDR and resolution handling are mostly governed by the device and TV; our NVIDIA Shield setup guide shows how device-level display settings interact with players.

Buffer size

The buffer is how much of the stream TiviMate downloads before it starts showing it, and how much it tries to stay ahead during playback. A bigger buffer absorbs short drops in network speed or a slow server, so you see fewer stalls. The cost is time: each channel takes longer to start, and live TV runs a little further behind real time.

Raise the buffer when streams stall briefly but recover on their own, especially at peak evening hours. Lower it when channel changes feel slow and your connection is stable. A bigger buffer cannot fix a stream that is too slow overall; if buffering is constant, the problem is the network or the source, which our IPTV connection troubleshooting guide covers.

Audio passthrough and audio options

With passthrough off, TiviMate decodes the audio itself and sends plain stereo or multichannel PCM to the TV. With passthrough on, it sends the original compressed Dolby Digital or similar track untouched to a soundbar or AV receiver, which decodes it and shows the surround format on its display.

Turn passthrough on only if your sound system decodes surround formats and you want it to. If you hear silence or clicking on some channels after enabling it, your TV or soundbar does not support that format over its connection, so turn it off. Other audio options you may see include the preferred audio language and an audio delay for fixing lip sync on a specific setup.

External player and user agent

External player hands the stream to another installed app, such as VLC or MX Player, instead of TiviMate’s built-in player. Use it as a test tool when one channel will not play: if it also fails externally, the stream is the problem. You lose TiviMate’s overlays, catch-up controls and quick channel switching while the external player is open, so it is a fallback rather than a daily setting.

User agent is the short text an app sends to identify itself when it requests a stream. Some servers only accept certain user agents. Leave it at the default unless your provider tells you to set a specific value for their playlist. Changing it at random will not improve quality and can stop channels loading.

How to approach changes

Change one option, test the same channels, and note the result before touching the next. Most problems turn out to be the source or the network rather than a setting, so testing the same channel in another player is the fastest diagnosis. A stable service makes the defaults work well; our plan, IPTV Journal, is a single 12-month option for $89 with an Xtream Codes login for TiviMate, and you can see the plan details here. IPTV technology is legal, but only use services that hold the rights to their channels.

FAQ

Should TiviMate’s video decoder be hardware or software?

Hardware for almost everything. It is faster, cooler and needed for 4K and HEVC on most devices. Switch a single channel to software only if it shows a black screen, artifacts or will not play while other channels are fine.

What is tunneled playback in TiviMate?

It sends video directly from the hardware decoder to the display, with the device controlling timing. It can improve sync and smoothness on devices that implement it well, but can cause stalls or black screens on devices that do not.

What does the TiviMate external player option do?

It opens the stream in another installed player app, such as VLC, instead of TiviMate’s own player. It is useful for testing problem channels but you lose TiviMate’s controls while it is open.

Do I need to change the TiviMate user agent?

Usually not. Only set a custom user agent if your provider asks you to, because some servers accept only specific values. A wrong value can stop channels from loading.

Does a bigger buffer stop buffering?

It helps with short drops but not with a connection or server that is consistently too slow. It also makes channels take longer to start, so increase it gradually.