大疆无人机视频打不开
视频损坏问题，设备是大疆无人机，不是断电，也不是死机，也不是电池没电炸鸡，机主回忆说是无人机降落后没保存，点了暂停然后关机了，有文件在但是无法播放，这个视频可是航拍的一个开业典礼，视频是不可以重拍的。机主非常担心，因为机主已经尝试过修复了，但均失败。
视频修复方法参考
先从网盘上下载损坏的文件，使用代码检查工具检查下文件底层数据是否为空，打开后如下图所示，并不是FF或者00，属于正常的视频数据代码，代表此文件可以被修复：
有文件代码在，就是成功的保证了。然后再根据下面正常的视频编码参考进行修复大疆DJI无人机断电炸机损坏的MOV或MP4视频文件：
| General | |
| Complete name | DJI_0023.MOV |
| Format | MPEG-4 |
| Format profile | QuickTime |
| Codec ID | qt 2014.02 (qt ) |
| File size | 282 MiB |
| Duration | 41 s 250 ms |
| Overall bit rate mode | Variable |
| Overall bit rate | 57.3 Mb/s |
| Comment | 0.90.142 |
| xyz | +34.177470+108.920608+17.200 |
| xsp | 0 |
| ysp | 0 |
| zsp | 0 |
| fpt | 1.6 |
| fyw | -81.7 |
| frl | 0.2 |
| gpt | -90 |
| gyw | -80.9 |
| grl | 0 |
| Video | |
| ID | 1 |
| Format | AVC |
| Format/Info | Advanced Video Codec |
| Format profile | [email protected] |
| Format settings | CABAC / 1 Ref Frames |
| Format settings, CABAC | Yes |
| Format settings, ReFrames | 1 frame |
| Format settings, GOP | M=1, N=8 |
| Codec ID | avc1 |
| Codec ID/Info | Advanced Video Coding |
| Duration | 41 s 250 ms |
| Bit rate mode | Variable |
| Bit rate | 57.3 Mb/s |
| Maximum bit rate | 60.0 Mb/s |
| Width | 4 096 pixels |
| Height | 2 160 pixels |
| Display aspect ratio | 1.896 |
| Frame rate mode | Constant |
| Frame rate | 23.976 (24000/1001) FPS |
| Color space | YUV |
| Bit depth | 8 bits |
| Scan type | Progressive |
| Bits/(Pixel*Frame) | 0.27 |
| Stream size | 282 MiB (100%) |
| Title | DJI.AVC |
| Language | English |
| Color range | Limited |
| Color primaries | BT.709 |
| Transfer characteristics | BT.709 |
| Matrix coefficients | BT.709 |
| Codec configuration box | avcC |
