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Problems With Wmv Plug In, Audio decompressor/ ACM Codec
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arubamike
Posted: Mar 6 2014, 12:56 AM


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I downloaded the WMV plug in for VirtualDub, but can't get the audio to decompress. I'm getting the dreaded (0161) error, despite installing AC3ACM and Lame ACM codecs. Can anyone guide me how to get VirtualDub to use these decompressors?
 
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Gral
Posted: Mar 6 2014, 04:34 AM


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0161 is Windows Media Audio - neither AC3 nor MP3.
Try ffdshow - http://sourceforge.net/projects/ffdshow-tryout/
 
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dloneranger
Posted: Mar 6 2014, 05:54 AM


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You can also use two other plugins to open wmv's
DirectShow plugin
FFMPeg plugin
(both of these decompress the video and audio before giving it to virtualdub, so no direct stream copying if you just want to chop pieces out of the source file)

--------------------
MultiAdjust JoinWav WavNormalize FFMPeg Input Plugin v1827 UnSharpMask
Windows7/8 Codec Chooser
All FccHandlers Stuff inc. Installers for acm codecs AAC, AC3, LameMp3
 
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Abrazo
Posted: Mar 6 2014, 05:55 PM


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There is also a (rather old) WMA ACM codec (msaud32.acm)
You can find it here: http://rghost.net/37651098 and install it via the included *.bat or *.inf files in the ZIP-file
After installation you should find it in VirtualDub via Audio-menu > Compression... and should enable you to decompress wma-audio

160 is the "Windows Media Audio V1"
161 is the "Windows Media Audio V2"
 
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arubamike
Posted: Mar 8 2014, 11:04 PM


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Guys,

Thanks for the info, but I would prefer to maintain the ability to 'chop' using Direct Stream Copy. It's one of the outstanding features of VirtualDub.

Abrazo, I like your solution, but the link you posted is dead, and all the hits for 'msaud32.acm' come up dry as well. I don't fully understand the mechanics of Codecs, but if I can play a WMV in Windows Media Player (presumably using a codec on my machine), why can't VirtualDub play the same file?

Gral, I already have FFDSHOW, and WMA in 'Audio Filter Configuration' is set to 'libavcodec'. VirtualDub doesn't show it in 'compression' though....

Thanks for your help.
 
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dloneranger
Posted: Mar 9 2014, 12:41 AM


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Virtualdub uses VFW (video for windows) codecs for video and ACM codecs for audio - windows media player uses a different type of codec that doesn't work with virtualdub
Abrazos link works fine here
FFDshow doesn't have the right type of audio codec for virtualdub to use
Direct stream copy doesn't use a compressor - it just copies the streams

So, you need to get all the bits just right

FFDShow's VFW config -> all the wmv formats turned on
Abrazos codecs installed - if vista or newer, use run as administrator on the .bat file
Then you should be able to use direct stream copy

--------------------
MultiAdjust JoinWav WavNormalize FFMPeg Input Plugin v1827 UnSharpMask
Windows7/8 Codec Chooser
All FccHandlers Stuff inc. Installers for acm codecs AAC, AC3, LameMp3
 
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Abrazo
Posted: Mar 9 2014, 07:51 AM


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The link I posted to the WMA ACM codec also works at my side (although I must say that this ZIP file is not mine, it is already there for several years).
You can also Google for the file to find it at other places by typing "WMA ACM Codec 8.0.0.4487.zip" (the double quotes included).

There is also a 'cracked' version of the WMA (DivX WMA Audio) that is/was being used in combination with the DivX video-codec.
You can find this one at Videohelp: http://www.videohelp.com/tools/sections/codecs

But, reading your answer, I assume that you would like to use "Direct Stream Copy" for WMV video.
Personally, I do not think that this is possible.
WMV is a particular 'container-'format that is used by Microsoft to store Windows Media Audio and -Video.

VirtualDub is only capable to "Direct Stream Copy" for what concerns the AVI container-format, and even in "Full Processing Mode" it is only capable to create AVI video (not WMV - except if you should use the External Encoders-options, but that is rather complicated).

So, I think, if you like to pick up peaces of an existing WMV video and store this in a new video, you will have to save it into an AVI video, by re-compressing it.
Via VirtualDub's Video-menu > Compression... you will have to set a video-codec like DivX, Xvid or X264.
Via VirtualDub's Audio-menu > Compression... you will have to set a audio-codec like Lame (or Fraunhofer) MP3
Also, in this both menu's, you will have to select "Full Processing mode" instead of "Direct Stream Copy".
 
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