Broad compatibility
H.264Compatibility
Up to 1080p
The dependable starting point for broader hardware support and weaker network conditions.
Requested maximum only. iOS selects the actual coded dimensions.
Quality modes
Each mode asks iOS for a different maximum. The phone still chooses the actual coded dimensions, and the Windows PC must decode what arrives.
Broad compatibility
H.264Up to 1080p
The dependable starting point for broader hardware support and weaker network conditions.
Requested maximum only. iOS selects the actual coded dimensions.
Recommended
HEVCUp to 1440p
A sharper HEVC path for most good 5 GHz connections and compatible decoding hardware.
Requested maximum only. iOS selects the actual coded dimensions.
Beta
HEVCUp to 2160p
An experimental high-detail path for capable HEVC hardware and especially strong networks.
Requested maximum only. iOS selects the actual coded dimensions.
Quick comparison
These are qualification targets—not universal guarantees across every iPhone, GPU, driver, or Windows system.
| Mode | Codec | Requested maximum | Best fit |
|---|---|---|---|
| Compatibility | H.264 | Up to 1080p | Broad compatibility and weaker networks |
| Balanced | HEVC | Up to 1440p | Most good 5 GHz connections |
| High Quality Beta | HEVC | Up to 2160p | Strong 5/6 GHz or Ethernet-connected PC |
High Quality qualification
Suitable HEVC hardware and a strong network are required for the customer path. Native-4K output is not guaranteed. Main10, HDR, P010, and Display P3 are unsupported; the current color path is accurate 8-bit SDR.