Various video file repair strategies

Source: Internet
Author: User
Tags ultraedit

Video files downloaded from the network often have some problems, such as the playback of any progress slider cannot be dragged or the file cannot be opened due to damage. If you choose to re-download, it will not only waste a lot of time, not to mention that even if you re-download the file, it cannot guarantee that the same problem occurs, in this case, it is better to find a suitable tool and try to fix it.
I. RM file repair

RMFix is a tool software designed to fix corrupted RM files. It can fix unplayable and incomplete RM files, you can also re-create the index data of the RM file that cannot be dragged to play any video.

1. The RM file cannot be dragged during playback.

This is mainly because of a problem with the file index data, you can copy the RM file to be repaired and RMFix to the same folder, and then enter "RMFix filename." In the MS-DOS window. rm r ", press enter to execute, and you can recreate the index data of the file. You can also drag the RM file to the icon of the RMFix program. At this time, RMFix runs in DOS mode and displays a menu. Press the "R" key to start fixing.

2. Fixed an incomplete RM file (the entire RM file has not been downloaded)

Drag the RM file to the RMFix program icon and press "C" to start data block scanning. When RMFix scans a damaged data block, the scanning will be paused, press the "Y" key to repair the block. After the data block scan is complete, the RMFix program ends. Then, drag the RM file to the RMFix program icon again and press "R" to recreate the index data, the RM file with the index data can be played freely.

The reader should be reminded that RMFix may cause permanent damage to the RM file, so it is best to back up the original file before the fix.

Ii. DivX file repair

DivFix can help us rebuild the index of the DivX (AVI) file that has not been downloaded. It also provides standard error detection and automatically checks the error information in the audio video stream.

Start DivFix, enter the operation interface of the program, execute the "File"> "Open" command, find the File to be repaired, and Open it. For files that cannot be dragged during playback, the main problem is the file Index data. In this case, you only need to click "Rebuild Index" in the lower-left corner of the interface to reconstruct the Index. Run the "Check Error" command to automatically Check the Error of DivX files that cannot be played completely.

Iii. ASF & WMV file repair

The ASF or WMV files downloaded from the Internet also have the problem that you cannot drag the slider to play freely. You can use AsfTools to fix this problem. AsfTools is currently the latest version v3.1 and is applicable to the Win9X/Me/2000/XP operating platform.

After running AsfTools, use the "Add" button to Add the ASF or WMA file to be repaired, expand the "Repair" volume bar on the left, and click the "Advanced Repair" button, the Join Operation window is displayed. Fixed the issue where an ASF or WMA file cannot be dragged. The key is the two status Flag values: "Seekable Flag" and "Live Flag". If you set the "Seekable Flag" option to "Enable Seek ", when "Live Flag" is set to "Reset Live", you can drag and play the video as needed. After specifying the name and save path of the output file, click the "Repair" button to fix the ASF or WMA files that cannot be dragged for playback.

Iv. MPEG file repair

When we use Windows Media Player to open the MPEG file downloaded from the internet, the program prompts the error message "No filter combination available for stream rendering", or the screen is always beating during playback, this may be because the file header data is corrupted. If you do not want to download it again, try to fix it. The solution is to use another normal MPEG file header to replace the file header, so as to fix the problem. Of course, to do this, you also need a dedicated editing tool, such as WinHex or UltraEdit-32. The following takes UltraEdit-32 as an example to explain the specific operation process.

After starting the UltraEdit-32, execute "File" → "Open" to Open an MPEG File that can play normally, drag the offset 00000000h from the offset to the offset slightly greater than the end offset of the exception section of the MPEG file header. Press Ctrl + C to copy the data segment.

Then open the corrupted MPEG file and start with the cursor at the offset 00000000h to select the same range as the selected offset. Use the "Paste" command in the right-click menu to replace the damaged MPEG file with the copied normal data. Save the disk and exit. Then play the MPEG file again, and everything may be normal.

 

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