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+---- Thread: Issues with certain avi files (/showthread.php?tid=37103)
Issues with certain avi files - mightylog - 2008-09-14
Hello all,
I've been having problems playing only a few avi files. The problem is the video gets pixelated and when it recovers, the audio is out of sync. The pixelation/audio oos problem happens numerous times throughout the video.
The files live on the network. I am able to use media player classic and play the videos without a problem. I've tried increasing the cache settings in xbmc, but the problem continues.
Log file is here http://pastebin.ca/1202194 (I've only included the portion of my playing the avi. if more is needed, I can post that as well).
I am aware that it may be an issue with the way the avi is encoded. I am not aware of a way to check the stats on these avis vs other avis that are working. Since these are encoded by someone else, I don't know if I can get more information about the files.
It's interesting that MPClassic will play the files, but xbmc's mplayer is presenting the issue.
Is there anything else I should try or check to try to narrow down what the problem is and get it corrected?
Thanks!
chris.
- marlboroman1 - 2008-09-14
you could use mediainfo or similar to find out what codec and streams are used in the file.
http://mediainfo.sourceforge.net/en
from your description I would say its probably using DivX codec which doesn't seem to work correctly at the moment, for me at least.
- Gamester17 - 2008-09-14
The log file reports that the file is corrupt. You can confirm that by re-muxing it through VirtualDub:
http://wiki.xbmc.org/?title=Appendix_B:_Troubleshooting#XBMC_is_having_problems_playing_some_video_files
Quote:To use VirtualDub on your Windows computer to re-mux, open the AVI file in VirtualDub then select "Direct-Stream" for both the video and audio which saves a new fixed file. Since VirtualDub creates a new header (internal-index), it usually also automaticly fixes any problems with bad/corrupt headers as well. If the problem is due to a bad/corrupt container/video/audio header or a VBR MP3 Header (which VirtualDub usually give a pop-up message stating when you open the file), then to fix that you must use VirtualDub to first fully decompress the audio-stream to PCM (only process audio, Direct-Stream the video) saving to a new AVI file, then open that new file and do another RE-MUX to recompress the uncompressed PCM-audio to the MP3 CBR format with the bit-rate of your choise, (again just leave the video as Direct-Stream, to only process the audio), by first decompressing the audio you will any A/V sync-problem caused by MP3 VBR (MP3 Variable Bit Rate). In the other 5% of the times the cause is a poorly encoding audio or video stream, there is no simple solution to this, we suggest you visit sites like doom9.net, videohelp.com or avsforum.com for information and support/help with such.
- mightylog - 2008-09-14
marlboroman1 - thanks for the info on that program!
Gamester17 - thanks for the info about using VirtualDub! That took care of the file perfectly.
Thanks again!
chris.