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How Trident handles HDR content.
| Format | Description | Dynamic Metadata |
|---|---|---|
| HDR10 | 4K HDR standard | Static (per-movie) |
| HDR10+ | Samsung's enhanced HDR | Dynamic (per-scene) |
| HLG | Broadcast HDR | None (backwards compatible) |
| Dolby Vision | Dynamic HDR | Dynamic (per-frame) |
Trident supports all four when the codec, device, and display are compatible. Most living-room HDR is HEVC and uses Apple's hardware decoder. This page focuses on that setup, where your TV and HDMI chain decide what you actually see; on iPhone and iPad, HDR plays on the built-in display with no HDMI setup.
When you press play on HDR content:
For HDR10 content, Trident also passes through mastering display metadata (SMPTE ST 2086 and CTA-861.3 brightness levels) so your TV can tone-map for its peak brightness.
When HDR playback starts, your TV may go black for 1-2 seconds while it switches modes. This is the TV reconfiguring its display pipeline.
For HDR mode switching to work, enable:
Settings > Video and Audio > Match Content > Match Dynamic Range
Without this, HDR content still plays but your TV stays in SDR mode and the picture looks washed out.
Trident supports the major Dolby Vision profiles:
| Profile | Common Sources | How It Plays |
|---|---|---|
| Profile 5 | Streaming services | Full Dolby Vision |
| Profile 7 | Blu-ray rips and remuxes | Converted to Dolby Vision on the fly (see below) |
| Profile 8.2 / 8.4 | Remuxes and streaming | Dolby Vision on compatible displays; HDR base layer otherwise |
| Profile 8.6 | HDR10-based Dolby Vision | HDR10 base layer, avoiding the green-output issue on Apple TV |
Profile 5 outputs Dolby Vision directly. Compatible Profile 8 variants output Dolby Vision over HDMI and fall back to their base layer when Dolby Vision is unavailable.
Profile 7 is the dual-layer format used on Blu-ray discs, and most players can only show its HDR10 base. On a Dolby Vision TV, Trident rewrites single-track Profile 7 into a compatible Dolby Vision stream while it plays, so you get real Dolby Vision from Blu-ray remuxes without any pre-conversion. Files carrying a separate enhancement-layer track play their HDR10 base layer instead.
If your TV doesn't support Dolby Vision, Trident falls through to the next format your TV does support:
| If DV Not Supported | Trident Uses |
|---|---|
| TV supports HDR10 | HDR10 |
| SDR-only TV | SDR |
All Apple TV 4K models support HDR10, HLG, and Dolby Vision. The original Apple TV HD (4th generation) does not support HDR.
For 4K HDR and Dolby Vision, use a Premium High Speed or Ultra High Speed certified HDMI cable. Poor cables cause sparkles, blackouts, or HDR failures. For 4K/60Hz HDR, Ultra High Speed is recommended.