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Unofficial VirtualDub Support Forums > VirtualDub Filters and Filter Development > Fcchandler Wmv Plugin 2.8 - Intro.wmv

Posted by: Dstruct Mar 18 2012, 01:30 PM

Windows XP SP3 c:\Windows\System32\oobe\images\intro.wmv Doesn't playback in VirtualDub. Obviously some problem with the audio part: QUOTE The audio codec reported an error while decompressing audio data. Error code: 512 (ACMERR_NOTPOSSIBLE) CODE General Complete name                  : C:\WINDOWS\system32\oobe\images\intro.wmv Format                         : Windows Media File size                      : 650 KiB Duration                       : 5s 699ms Overall bit rate               : 934 Kbps Maximum Overall bit rate       : 1 022 Kbps Movie name                     : xp test Performer                      : Frank Kruz Encoded date                   : UTC 2001-04-05 21:06:37.100 Comment                        : 10 FPS TEST Video ID                             : 2 Format                         : WMV1 Codec ID                       : WMV1 Codec ID/Info                  : Windows Media Video 7 Description of the codec       : Windows Media Video V7 Duration                       : 5s 700ms Bit rate                       : 1 019 Kbps Width                          : 640 pixels Height                         : 480 pixels Display aspect ratio           : 4:3 Frame rate                     : 10.000 fps Bit depth                      : 8 bits Bits/(Pixel*Frame)             : 0.332 Stream size                    : 709 KiB Audio ID                             : 1 Format                         : WMA Format version                 : Version 2 Codec ID                       : 161 Codec ID/Info                  : Windows Media Audio Description of the codec       : Windows Media Audio V7 -   0 kbps,  8 kHz, mono Duration                       : 5s 699ms Bit rate                       : 2 447 bps Channel(s)                     : 1 channel Sampling rate                  : 8 000 Hz Bit depth                      : 16 bits Stream size                    : 1.70 KiB (0%) Can this get fixed in the plugin?

Posted by: wsm-9t6 Mar 18 2012, 02:06 PM

Except for the audio part, the video in that file plays fine with VirtualDub (using ffdshow's VfW interface, FWIW). QUOTE Can this get fixed in the plugin? Someone would have to write an ACTUAL "wma acm decompressor". The one that ships with Windows is a joke, and the so-called "DivX Audio" is just a hacked joke.

Posted by: fccHandler Mar 24 2012, 02:23 AM

OK, that is weird... As far as I can tell this movie doesn't have audio! It has something in the audio track but I don't think it's WMA. I get the impression that there is a trick to this intro, because the audio that you are supposed to hear is in a separate file, C:\WINDOWS\System32\oobe\images\title.wma. Note that after loading intro.wmv, you can load title.wma using the "Audio from other file" option, and this will get you something close to what Microsoft intended.

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