[XviD-devel] Bugs in 1.1 beta 2

Robert Swain rob at swains.plus.com
Thu Apr 7 18:15:34 CEST 2005

Another 'bug' from nexus3:

XviD 1.1 beta 2 changed the DivX User Data ID from DivX999b000p to 
DivX503b1393p. When using b-frames, multiplexing into mp4 with mp4box, 
playing the file back via Haali's MP4 splitter the output gives very strange 
jerky playback with divx and xvid dshow decoders. It almost looks to me as 
if the frames are being displayed in the wrong order.

Apparently a workaround is to edit the XviD beta 2 AVI either changing the 
entry back to the original value or to erase it entirely before multiplexing 
into mp4.

Was there a reason for this change or is it simple enough to just change it 

----- Original Message ----- 
From: "Robert Swain" <rob at swains.plus.com>
To: <xvid-devel at xvid.org>
Sent: Tuesday, April 05, 2005 4:47 PM
Subject: [XviD-devel] Bugs in 1.1 beta 2

Some bugs have been noted by a #xvid user.

1) The displayed maximum bit rates in the vfw are incorrect, I assume they 
should be 10^3 smaller.

2) When AS @ L4 or lower, including the simple profile levels, are selected 
in the vfw gui and you're in target bit rate mode the rate slider is locked 
to 16kbps. Note that the quantiser sliders are fine.

3) Should the maximum bit rates for the DXN portable profiles really be the 
same as for the Home Theatre profiles?

(Credit to nexus3 for spotting these errors)

Robert Swain
XviD-devel mailing list
XviD-devel at xvid.org

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