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Difficulties Converting H264 Mp4
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WaywardSun
Posted: Sep 3 2013, 02:49 AM


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I'm doing a similar job to an mp4 file (H264 encoded) as I was to an avi file in this post (http://forums.virtualdub.org/index.php?act=ST&f=4&t=21778).

I am currently using MP4Cam2AVI to convert it to an AVI so Virtualdub can actually open the file. I also downloaded and installed the K-lite codec pack, as well as H264VfW codec. Virtualdub opens the file just fine, but once I'm ready to apply a DivX compression I get the following error message; "Video compression error: The source image found is not acceptable.
 
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WaywardSun
Posted: Sep 3 2013, 02:53 AM


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Whoops, sent my message a bit prematurely then!

The full error message is; "Video compression error: The source image found is not acceptable. (error code -2)".

Once again, I did try searching for this, but all of the results I found seemed to deal with opening mp4 files, and not converting them.

Any help anyone could offer would be appreciated.
 
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raffriff42
Posted: Sep 3 2013, 04:06 AM


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What is the resolution of the source video? You have an odd-sized resolution, I'll bet. Try adding a Resize filter, set like this:
  • new size = relative, 100%
  • filter mode = don't care (we are not actually resizing here)
  • framing = none
  • codec-friendly sizing = Multiples of 8
This will auto-crop your video to an acceptable size.

http://forums.virtualdub.org/index.php?act...=ST&f=4&t=6608&
QUOTE
The source image format is not acceptable (error code -2)

There are three main causes for this to happen:

1. You are trying to compress a video in a format that is not supported by the codec. This will usually mean that the frame height and width are incorrect or that the color depth is not valid. To see what restrictions there are for a codec go to video-->compression and select the codec. The codec restrictions will now appear in a box right of the middle in this window.

2. It happens when trying to play the file in VirtualDub. This is the result of a codec that is trying to decompress a video stream, which it actually cannot handle. This shouldn't be happening, but there are a few codecs (e.g. Panasonic DV) that will try to decompress anything they can get their hands on. Check the file info in VirtualDub and look up the codec used for decompression. Then uninstall/disable this codec and open the file again and see if it plays. It might be possible that with opening the file you will get another type of error message, which will be dealt with below.

3. This error is also common with DivX and can have two main possible causes for it. First of all, it is recommended that in the advanced setting of the DivX config, you disable "Do not prompt with errors and warnings". Why this setting is not disabled by default I don't know, complain to DivX about it. If you now start your encode again an error message will appear. Usually there are problems with the logfile or the dimensions of your video are not correct. With DivX hardware profiles enabled, there are maximum resolutions you can encode with (e.g. 720x576 is the maximum res for the Home Theatre profile). It could also be that you have issues as described at number 1.
 
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WaywardSun
Posted: Sep 3 2013, 04:19 AM


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It's 1280 x 544 original. I'm letter boxing into 1280 x 720
 
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WaywardSun
Posted: Sep 3 2013, 05:30 AM


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Aha! Thanks for that link, raffriff42, I found what I was looking for on there anyway. I was trying to use DivX Home Theatre profile instead of the 720HD one.
 
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raffriff42
Posted: Sep 3 2013, 12:42 PM


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Thank you for following up. I wonder, does DivX put a useful error message in the log? You would have to use stephanV's tip #3 above -- disable "Do not prompt with errors and warnings" in DivX config.
 
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