[AVI] Video and audio sync issues when fast forwarding

[beckyboo]

Heres the latest MediaInfo for one of the movies I'm having issues with:

Code:

General
Unique ID                        : 218089529642199542634282798920653302110 (0xA41283FC5D444DDFAB4FB696D3CF695E)
Format                           : Matroska
Format version                   : Version 2
File size                        : 1.24 GiB
Duration                         : 1h 45mn
Overall bit rate                 : 1 684 Kbps
Encoded date                     : UTC 2011-10-09 19:43:19
Writing application              : mkvmerge v4.9.1 ('Ich will') built on Jul 11 2011 23:53:15
Writing library                  : libebml v1.2.1 + libmatroska v1.1.1

Video
ID                               : 1
Format                           : MPEG-4 Visual
Format profile                   : Simple@L3
Format settings, BVOP            : No
Format settings, QPel            : No
Format settings, GMC             : No warppoints
Format settings, Matrix          : Default (H.263)
Codec ID                         : XVID
Codec ID/Hint                    : XviD
Duration                         : 1h 45mn
Bit rate                         : 1 522 Kbps
Width                            : 720 pixels
Height                           : 480 pixels
Display aspect ratio             : 3:2
Frame rate                       : 30.000 fps
Original frame rate              : 29.000 fps
Standard                         : NTSC
Color space                      : YUV
Chroma subsampling               : 4:2:0
Bit depth                        : 8 bits
Scan type                        : Progressive
Compression mode                 : Lossy
Bits/(Pixel*Frame)               : 0.147
Stream size                      : 1.12 GiB (90%)
Writing library                  : XviD 1.2.1 (UTC 2008-12-04)

Audio
ID                               : 2
Format                           : MPEG Audio
Format version                   : Version 1
Format profile                   : Layer 3
Mode                             : Joint stereo
Mode extension                   : MS Stereo
Muxing mode                      : Header stripping
Codec ID                         : A_MPEG/L3
Codec ID/Hint                    : MP3
Duration                         : 1h 45mn
Bit rate mode                    : Constant
Bit rate                         : 128 Kbps
Channel(s)                       : 2 channels
Sampling rate                    : 44.1 KHz
Compression mode                 : Lossy
Stream size                      : 96.8 MiB (8%)
Writing library                  : LAME3.98.2

Does that mean anything to anyone?

[halfelite]

xvid inside mkv is already a tricky issue you are better re-encoding the video into avc or something. xvid b-frames and mkv frames behave differently and usually causes problems.