Canon micro-single machine crashes, MP4 becomes DAT and cannot be opened, can it be repaired?
This is a problem often encountered by many Canon digital camera users. Many people know that Canon DAT can be repaired, and general data recovery workers can repair DAT/MOV format files, but when encountering new Canon models such as EOS R, EOS DAT/MP4 of R5, EOS R6, M50, 90D, etc., you will find another problem. For example, the Canon mirrorless EOS R6 camera crashed during video recording, but what should have been an MP4 video has become DAT, a data file that cannot be opened, as listed below.
| video format | DAT(MP4) |
| video size | 9GB |
| Recording time | 30 minutes |
| camera model | Canon EOS R6 |
| Cause of damage | The video file is damaged due to a power outage |
| repair request | Perfectly repaired, there can be no blurred screen, freeze and out-of-sync problems |
How to fix it so that it can be lossless and without bad frames
First of all, we must understand the encoding of the file, and then attach the encoding parameters of this model file for reference. From the video parameters of this model, it is not difficult to see that Canon MP4 is different from MOV, trying to repair it with old technical means cannot meet the repair requirements. what to do? The only thing is to update and repair the program, rewrite it, write a new program according to the new code, test it repeatedly, and solve the problem.
| Video | |
| Format | AVC |
| Format/Info | Advanced Video Codec |
| Format profile | [email protected] |
| Format settings | CABAC / 2 Ref Frames |
| Format settings, CABAC | Yes |
| Format settings, Reference frames | 2 frames |
| Format settings, GOP | M=3, N=30 |
| Codec ID | avc1 |
| Codec ID/Info | Advanced Video Coding |
| Bit rate | 60.7 Mb/s |
| Width | 1 920 pixels |
| Height | 1 080 pixels |
| Frame rate mode | Constant |
| Frame rate | 59.940 (60000/1001) FPS |
| Color space | YUV |
| Bit depth | 8 bits |
| Scan type | Progressive |
| Stream size | 40.6 MiB (99%) |
| Language | English |
| Encoded date | UTC 2021-10-18 21 |
| Tagged date | UTC 2021-10-18 21 |
| Color range | Full |
| Color primaries | BT.709 |
| Transfer characteristics | BT.709 |
| Matrix coefficients | BT.709 |
| Codec configuration box | avcC |
| Audio | |
| Format | AAC LC |
| Format/Info | Advanced Audio Codec Low Complexity |
| Codec ID | mp4a-40-2 |
| Bit rate mode | Constant |
| Bit rate | 256 kb/s |
| Channel(s) | 2 channels |
| Channel layout | L R |
| Sampling rate | 48.0 kHz |
| Frame rate | 46.875 FPS (1024 SPF) |
| Compression mode | Lossy |
| Stream size | 173 KiB (0%) |
| Language | English |
| Encoded date | UTC 2021-10-18 21 |
| Tagged date | UTC 2021-10-18 21 |
| Other | |
| Type | Time code |
| Format | QuickTime TC |
| Bit rate mode | Constant |
| Frame rate | 59.940 (60000/1001) FPS |
| Time code, striped | Yes |
| Language | English |
| Encoded date | UTC 2021-10-18 21 |
| Tagged date | UTC 2021-10-18 21 |