After some random checking, I've determined that it can be partially relieved by turning down the ffmpeg_pp_quality option to 0, and running on a smaller window. However, the audio artifacts still remain. (They are not present in Kaboodle, nor is the lag, at least at 640x480.)

This is contrasting ffmpeg_pp_quality of 3 @ 320x240 (50% video size).
And, on a subsequant test (with the same file) in Kaboodle at 2048x1536, there was no appreciable lag. (At least on a 1 minute 30 second test.)
Although I got serious lag with 3072x2304. (This is using fvwm, and the connected desktops/screens/whatever their name is.)


-Kokushoku Karasu
www.tentacle.net/~awk
ICQ:  307211678    AIM:  kokushokukarasu

On Sun, 8 May 2005, Steve Langasek wrote:

severity 308235 important
thanks

On Sun, May 08, 2005 at 03:32:01PM -0700, Kokushoku Karasu wrote:
Package: xine-ui
Version: 0.99.3-1
Severity: grave
Justification: renders package unusable

When I try to watch avi or ogm video under xine, the video lags behind
the audio.  (Also, the audio sometimes gets choppy.)

I haven't tested mpeg/mkv/wmv/asf with this, but it stands to reason
that there's a good chance that it's not format specific.  (Other video
players (kaboodle, totem) don't show this bug when viewing the same
files.  However, both xine and gxine do display it, indicating to me
that the bug is probably in gxine.)

Although my video hardware is a little slow, it's never lagged this much
on non-fullscreen displaying of avi/ogm files.

Given that xine-ui is still usable for you for other formats, I don't think this meets the definition of "grave".

avi: 4 samples, various codecs, results: all unwatchable.
ogm: 4 samples, 3 unwatchable, 1 with tolerable lag.
mkv: 6 samples, 1 unwatchable, 5 with passable lag.
mpeg: No 640x480 samples, but some lag was noticed in the 320 range.
wmv: All I could find were <640x480,
asf: All I could find were <640x480, rm: Don't have the codec. (I think, and even if I did, few samples.)


The key here appears to be in the resulution, there seems to be a threashold above which problems start to appear. On 400x200 I noticed ones audio blits while I didn't notice appreciable video delays,

When I say "sample" I mean 640x480 or thereabouts. My mpegs are 320x200s, and similar. As are my asfs and wmvs.


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