The output uses H.264 video compression at 3840 x 2160 pixels.
SDKs
- iOS 9.0+
- macOS 10.10+
- Mac Catalyst 13.0+
- tvOS 9.0+
Framework
- AVFoundation
Declaration
NSString *const AVAssetExportPreset3840x2160;
The output uses H.264 video compression at 3840 x 2160 pixels.
SDKs
Framework
NSString *const AVAssetExportPreset3840x2160;
AVAsset Export Preset640x480
The output uses H.264 video compression at 640 x 480 pixels.
AVAsset Export Preset960x540
The output uses H.264 video compression at 960 x 540 pixels.
AVAsset Export Preset1280x720
The output uses H.264 video compression at 1280 x 720 pixels.
AVAsset Export Preset1920x1080
The output uses H.264 video compression at 1920 x 1080 pixels.
AVAsset Export Preset HEVC1920x1080
The output uses HEVC video compression at 1920 x 1080 pixels.
AVAsset Export Preset HEVC3840x2160
The output uses HEVC video compression at 3840 x 2160 pixels.
AVAsset Export Preset HEVCHighest Quality
The output uses the highest applicable video quality and HEVC video compression.