avi playback broken

engjs · Post by **engjs** » Sat Aug 01, 2009 13:18

I recently upgraded to DPS1_Firmware_04Jun2009_ver_01.05.301.wrp. Since the upgrade I've noticed some problems with playback of some avis, specifically Disney animated short cartoons. When the on screen movement involves upward or downward movement, the moving part of the image shatters, with horizontal black lines forming. Things return to normal as soon as the movement in the cartoon stops. There are no problems with slow movements, or still frames. The effect is to give the cartoon a jittery appearance whenever there is fast movement up or down. This has been introduced with the latest version; the same avis played fine with the last version.

Can I back a version off by reinstalling an old version?

Jim

Topdog · Post by **Topdog** » Sat Aug 01, 2009 13:24

Yes....

tonymy01 · Post by **tonymy01** » Sat Aug 01, 2009 13:26

Sounds like the deinterlacing algorithm experimentation they did...
Set the output to 576i and see if it does it. If not, then this is the likely candidate.

engjs · Post by **engjs** » Mon Aug 03, 2009 14:35

It's already set to 576i.

netmask · Post by **netmask** » Mon Aug 03, 2009 15:07

Check and see if the avi is packed or not, Avidemux 2.5 can unpack the file and may make a difference.

engjs · Post by **engjs** » Tue Aug 04, 2009 21:31

Here's what YAAI has to say about one of the files:

Yet Another Avi Info (YAAI) Output File
visit http://yaai.sourceforge.net/ for more information
AVI Information
Filename: Donald's Crime (1945).avi
Filesize: 104483692 Bytes (99.64 MB)
Streams (i.e. Video, Audio): 2
Video Stream
Compression: divx - DivX
Avg. Bitrate: 1607.71 kbit/s
Resolution: 720x544
Color Depth: 24 bits
Running Time: 461.96 s (7m 41s)
Framerate: 25.0000 fps
Microseconds Per Frame: 40000 ms
Frames: 11549
Keyframes: 115 (Every 100)
Audio Stream
Wave Type: 8192 - AC3 Audio
Avg. Bitrate: 192.00 kbit/s
Sample Rate: 48000 Hz
Bit Depth: 0 Bits
Channels: 2
Audio Delay: 0.00 s

netmask · Post by **netmask** » Tue Aug 04, 2009 21:51

Have you checked to see if it is a packed avi?
Another program you could use to check is MP4modifier http://www.videohelp.com/tools/MPEG4_Modifier

engjs · Post by **engjs** » Wed Aug 05, 2009 07:34

Tried MPEG4 Modifier, and yes it was packed. So I unpacked it and tried playing it and it made no difference.

This problem doesn't show up on modern cartoons like Shrek, Bob the Builder, or live action stuff which is in the same format. I'm wondering if there's something about the old cartoons that is causing the problem.

If you guys need a copy of the avi to test with email me an ftp address jimnsharon AT pacific DOT net DOT au and I'll upload it for you.

Donno · Post by **Donno** » Thu Aug 06, 2009 12:49

How do these avi's play on the PC?

engjs · Post by **engjs** » Thu Aug 06, 2009 18:20

Progress.

When I play them on the PC (Real Player 11.0.2) the same thing happens, but with nowhere near the same visual impact. I tried the originals on the TV and there's nothing there, so something in the process of turning them into avis has screwed them up. Also, I've watched them on the BW before and never noticed this, so although it must have been present it can't have been as bad as it is now.

So now I'm thinking that something done to the avi player has intensified the problem.

Also, I can easily rescan the DVDs, so if anyone has suggestions on what settings I could try to eliminate this I would be greatful for them.

Jim

avi playback broken

avi playback broken

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