AVCaptureSessionPreset
AVCaptureSessionPreset enumeration contains constants that define capture setting presets.
class AVCaptureSessionPreset {
static const int Low = 0;
static const int Medium = 1;
static const int High = 2;
static const int Photo = 3;
static const int InputPriority = 4;
static const int QHD960x540 = 5;
static const int Hd1280x720 = 6;
static const int Hd1920x1080 = 7;
static const int Hd4K3840x2160 = 8;
static const int IFrame960x540 = 9;
static const int IFrame1280x720 = 10;
static const int Qvga320x240 = 11;
static const int Vga640x480 = 12;
static const int Cif352x288 = 13;
}
| Constant | Description |
|---|---|
| Low | Specifies capture settings suitable for output video and audio bit rates suitable for sharing over 3G. |
| Medium | Specifies capture settings suitable for output video and audio bit rates suitable for sharing over WiFi. |
| High | Specifies capture settings suitable for high-quality video and audio output. |
| Photo | Specifies capture settings suitable for high-resolution photo quality output. |
| InputPriority | Specifies that the capture session does not control audio and video output settings. |
| QHD960x540 | Specifies capture settings suitable for quarter HD quality (960 x 540 pixel) video output. |
| Hd1280x720 | Specifies capture settings suitable for 720p quality (1280 x 720 pixel) video output. |
| Hd1920x1080 | Capture settings suitable for 1080p-quality (1920 x 1080 pixels) video output. |
| Hd4K3840x2160 | Capture settings suitable for 2160p-quality (3840 x 2160 pixels) video output. |
| IFrame960x540 | Specifies capture settings to achieve 960 x 540 quality iFrame H.264 video at about 30 Mbits/sec with AAC audio. |
| IFrame1280x720 | Specifies capture settings to achieve 1280 x 720 quality iFrame H.264 video at about 40 Mbits/sec with AAC audio. |
| Qvga320x240 | Specifies capture settings suitable for 320 x 240 pixel video output. |
| Vga640x480 | Specifies capture settings suitable for VGA quality (640 x 480 pixel) video output. |
| Cif352x288 | Specifies capture settings suitable for CIF quality (352 x 288 pixel) video output. |
Info
For more information, please see the official Apple documentation.