example:
avconvert --preset PresetAppleM4V720pHD --source Untitled.mov --output test.mp4
| type | 编解码 | 分辨率 | rate |
|---|---|---|---|
| PresetAppleM4VCellular | H.264(Baseline) | 400×225 | 220kbps |
| PresetAppleM4V480pSD | H.264(Main) | 640×360 | 2300kbps |
| PresetAppleM4ViPod | H.264(Baseline) | 640×360 | 1500kbps |
| PresetAppleM4VWiFi | H.264(Baseline) | 480×270 | 807kbps |
| PresetAppleM4VAppleTV | H.264(Main) | 960×540 | 3446kbps |
| PresetAppleM4V720pHD | H.264(Main) | 1280×720 | 7000kbps |
| Preset 640 x 480 | H.264(Main) | 640×360 | 2300kbps |
| Preset 1280 x 720 | H.264(Main) | 1280×720 | 7000kbps |
| Preset 1920 x 1080 | H.264(Main) | 1920×1080 | 9999kbps |
| PresetAppleM4A | 只对AAC音频变压器代码、影像不变换 | ||
| PresetAppleProRes422LPCM | 只对LPCM音频变压器代码、影像不变换 | ||
| PresetCAFAAC | 只对aac音频变压器代码没有影像, | ||
| PresetCAFLPCM | 只对LPCM音频变压器代码没有影像, |
