The VideoLAN Forums

Posted: **26 Mar 2022 08:06**

hi,
i need to convert .dav and .asf files to other formats but vlc can't open them. what can i do to solve this problem?
Thanks a lot to those who want to answer me.
Best regard

Posted: **26 Mar 2022 11:43**

If VLC can't play these files then VLC can't convert them.

Posted: **27 Mar 2022 09:38**

hello, yes I think so too.
My question is: is there any plug-in (or something like that) to be able to open them with vlc? Thanks

Posted: **28 Mar 2022 13:29**

No plugin that I know.
But ASF files should play if they are not DRM protected.

Upload a short sample of your original problematic file to Zippyshare.com or to WeTransfer.com and then post the link to the file here.
https://www.zippyshare.com
https://wetransfer.com

If needed cut it with DGsplit and read here about how to do it:
https://forum.videolan.org/viewtopic.ph ... 35#p193335
200 MB max should be enough.

Posted: **29 Mar 2022 20:55**

done:
for .asf file: https://we.tl/t-WRYRy8ie4a
for .dav file: https://we.tl/t-S8DENkVAKh

thanks

Posted: **30 Mar 2022 11:08**

The video of the ASF file is using the old MS MPEG-4 v3 codec and I haven't found yet a player that would play it, not even a DirectShow player.

Code: Select all

Video
ID                                       : 2
Format                                   : MPEG-4 Visual
Codec ID                                 : MP4S
Codec ID/Info                            : Microsoft MPEG-4 (Windows Media 7.0)
Codec ID/Hint                            : MS MPEG-4 v3
Frame rate                               : 12.048 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits

Audio
ID                                       : 1
Format                                   : PCM
Codec ID                                 : 1
Bit rate                                 : 128 kb/s
Channel(s)                               : 1 channel
Sampling rate                            : 8 000 Hz
Bit depth                                : 16 bits

The DAV file is playing fine with FFplay and MPV but not with VLC. When setting the demuxer to Avformat, it seems to open for about half a second but fails to display any image.

You should create a new ticket on the VLC Trac with your above report, the links to your sample files and the link to this thread:
https://code.videolan.org/videolan/vlc/-/issues

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