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IDProjectCategoryView StatusDate SubmittedLast Update
0000989KdenliveMLTpublic2009-06-30 04:042010-09-22 17:53
Reporterguiodic 
Assigned To 
PrioritynormalSeveritymajorReproducibilityalways
StatusclosedResolutionfixed 
PlatformOSOS Version
Product VersionRecent git 
Target Version0.7.6Fixed in Version0.7.6 
Summary0000989: a/v syncronization.
DescriptionThis bug is to reopen http://www.kdenlive.org/mantis/view.php?id=965. [^]

Excuse me for insistence, but this is a big problem for me using kdenlive (I an a fan of it and I use it for my job in a tv network).

Ok, the file was a bit strange, but I took it from youtube, so I think it is a common issue.
With mlt 0.4.2 there are no problem, so I think the issue can be fixed for "strange" files too.

Thank you.
TagsNo tags attached.
Build/Install MethodBuild Wizard
Attached Files

- Relationships

-  Notes
(0003584)
guiodic (reporter)
2009-07-02 22:02

kdenlive 0.7.5 + mlt 0.4.4 has the same issue.
(0003586)
ddennedy (developer)
2009-07-03 03:27

You have not sufficiently described the problem such that I can reproduce it. There is no magic pixie dust I can sprinkle on the code to make sure A/V sync is not a problem for every single video that exists in the universe.
(0003590)
guiodic (reporter)
2009-07-03 04:13

Try this video (It is a random video on youtube)

http://www.youtube.com/watch?v=4dfGtVydp84&feature=channel [^]

I downloaded it with video downloader from Firefox, but you can try to download it directly:
wget "http://v16.lscache8.googlevideo.com/videoplayback?ip=0.0.0.0&sparams=id%2Cexpire%2Cip%2Cipbits%2Citag%2Cburst%2Cfactor&itag=34&ipbits=0&signature=460AE34C05A021DC0E208FB6220A445ABEC90632.580EB5BA83F8A8665C026A03F5286139607A4277&sver=3&expire=1246611600&key=yt1&factor=1.25&burst=40&id=e1d7c6b55c9da7ce" [^]

Every video downloaded from YT seems to have this issue on mtl 0.4.3 or 0.4.4

Best regards and thank you.
(0003658)
guiodic (reporter)
2009-07-11 12:38

well, not onlty with video from YT. This is the output of a oregon cam (it save in avi)

ffmpeg -i AVI_0001.AVI
FFmpeg version 0.5-svn17737+3:0.svn20090303-1ubuntu6, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --extra-version=svn17737+3:0.svn20090303-1ubuntu6 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --disable-stripping --disable-vhook --enable-libdc1394 --enable-shared --disable-static
  libavutil 49.15. 0 / 49.15. 0
  libavcodec 52.20. 0 / 52.20. 0
  libavformat 52.31. 0 / 52.31. 0
  libavdevice 52. 1. 0 / 52. 1. 0
  libavfilter 0. 4. 0 / 0. 4. 0
  libswscale 0. 7. 1 / 0. 7. 1
  libpostproc 51. 2. 0 / 51. 2. 0
  built on Apr 10 2009 23:20:33, gcc: 4.3.3
Input #0, avi, from 'AVI_0001.AVI':
  Duration: 00:11:49.38, start: 0.000000, bitrate: 4574 kb/s
    Stream #0.0: Video: mjpeg, yuvj422p, 640x480, 30 tbr, 30 tbn, 30 tbc
    Stream #0.1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
At least one output file must be specified


melt AVI_0001.AVI
+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+
|1=-10| |2= -5| |3= -2| |4= -1| |5= 0| |6= 1| |7= 2| |8= 5| |9= 10|
+-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+
+---------------------------------------------------------------------+
| H = back 1 minute, L = forward 1 minute |
| h = previous frame, l = next frame |
| g = start of clip, j = next clip, k = previous clip |
| 0 = restart, q = quit, space = play |
+---------------------------------------------------------------------+
Current Position: 5398
(0003816)
guiodic (reporter)
2009-08-24 11:34

Hi, any news?
I checked Kdenlive with newest mlt. Issue is still present.
(0003823)
agapito (reporter)
2009-08-27 16:29

Hi. I had your a/v sync problem with youtube videos. Is a bug from mlt. Compiling ffmpeg, mlt and kdenlive (in this order) from git/svn solved that problem. Actually, my kdenlive installation (svn) is more stable than 0.75 and mlt 0.4.4. I think kdenlive and mlt should be release a new stable subversion fixing that annoying problem.
(0003824)
guiodic (reporter)
2009-08-27 18:05

well, I tried with build wizard 3 days ago.
I try again...
(0003825)
guiodic (reporter)
2009-08-27 18:26

Oh yes! now it works!
(0003876)
neoarttec (reporter)
2009-09-08 03:53

Latest compile from SVN with build wizard also solved my a/v sync problem.
(0003877)
guiodic (reporter)
2009-09-08 04:54

godd... then... how I can close this bug report?
(0003886)
xzhayon (developer)
2009-09-10 01:31

three users reported it's fixed... it's enough for me, closing
i hope no one will come out with the same problem on irc (again) in the next days :)

- Issue History
Date Modified Username Field Change
2009-06-30 04:04 guiodic New Issue
2009-06-30 04:04 guiodic Build/Install Method => Build Wizard
2009-07-02 22:02 guiodic Note Added: 0003584
2009-07-03 03:27 ddennedy Note Added: 0003586
2009-07-03 03:57 guiodic Note Added: 0003589
2009-07-03 04:13 guiodic Note Added: 0003590
2009-07-03 04:14 guiodic Note Deleted: 0003589
2009-07-11 12:38 guiodic Note Added: 0003658
2009-08-24 11:34 guiodic Note Added: 0003816
2009-08-27 16:29 agapito Note Added: 0003823
2009-08-27 16:30 agapito Note View State: 3823: private
2009-08-27 16:31 agapito Note View State: 3823: public
2009-08-27 18:05 guiodic Note Added: 0003824
2009-08-27 18:26 guiodic Note Added: 0003825
2009-09-08 03:53 neoarttec Note Added: 0003876
2009-09-08 04:54 guiodic Note Added: 0003877
2009-09-10 01:31 xzhayon Note Added: 0003886
2009-09-10 01:31 xzhayon Status new => resolved
2009-09-10 01:31 xzhayon Fixed in Version => Recent git
2009-09-10 01:31 xzhayon Resolution open => fixed
2009-09-10 01:31 xzhayon Assigned To => xzhayon
2009-09-10 01:31 xzhayon Assigned To xzhayon =>
2009-09-10 01:31 xzhayon Target Version => future version
2009-10-08 20:20 j-b-m Fixed in Version Recent git => 0.7.6
2010-02-02 10:35 j-b-m Fixed in Version 0.7.6 => 0.7.7
2010-02-02 10:37 j-b-m Fixed in Version 0.7.7 => 0.7.6
2010-02-02 10:38 j-b-m Status resolved => closed
2010-09-22 17:53 Granjow Target Version future version => 0.7.6


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