Fedora :: Audio Out Of Sync In VLC And Others But Not Totem
Jul 24, 2011
V.L.C. and all others - but Totem - video players that I have installed have audio out of sync. This occurs in both D.V.D. and .mkv & .avi. I had this problem with V.L.C. 1.1.10 & now with 1.1.11. I do not think that this is a problem with V.L.C. since I have had the same issue occur with gnome-mplayer. I tried to downgrade gstreamer*, and that did not correct my problem. It shouldn't be a problem with libdvd* since the problem still occurs with files on my drive. Handbrake doesn't fail to rip D.V.D correctly.
Because of all of this I figure that it must be a system library that Totem and HandBrake don't use ( or bundle most likely in the case of HandBrake ).I am using Fedora 15 x86_64 with all updates to date.
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Jul 9, 2011
Audio sync method. "Stretches/squeezes" the audio stream to match the timestamps, the parameter is the maximum samples per second by which the audio is changed. -async 1 is a special case where only the start of the audio stream is corrected without any later correction.Searching the net makes one believe that this command is just some sort of magic.People just put it in the line and it just works. Isn't that nice?
It says nothing about how to change the TIME the audio starts syncing. Like do I want it to start 5 seconds delayed? Or what about 5 seconds sooner?What if the audio gets more out of sync as the video goes on? Can I slip it a little at a time? What? No magic?No one mentions a file that already has badly synced audio.So what -async 1 really does is simply start the audio at the beginning of the file. LIKE AS IF THAT ISN'T STANDARD PROCEDURE?So what is the exact solution to syncing a messed up video? And why can't it just do the proper "timestamp" sync in the first place?No docs, no info and you are left out in the cold.
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Nov 22, 2009
I have found that if I change the FPS of a video, the audio is out of sync.
Is there a way in mencoder to have it correct this, and maintain the correct sync?
I don't think it is just a matter of audio/video delay. I have tried many times to correct this via that method, and it doesn't come close. Although, if I encode the video to another format, but with the original fps, the audio is sync'd.
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May 18, 2009
I've been trying to use cheese to record greeting from my kids to grand parents etc. But every time I record a video, the video is choppy and the audio sync is off. I've used the one in the (F11) repos and built it from source. It behaves the same using other distros as well. Is this par for the course with cheese, or is it my hardware?[URL]... Any other applications/methods to record audio & video while providing a video.
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Mar 29, 2010
I am having a strange problem. file.avi is in host:/host:/ is mounted in client:/ via sftp on evolutionwhile sitting on client: double clicking on file.avi opens Totem which starts to stream and only shows a blank screen (audio is fine).Copying file.avi to client:/ and then playing it on totem is fine, so it is not a gstreamer issue. I would doubt this is bandwidth as it should just buffer longer, this is over a wireless network.
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Aug 30, 2010
Debian 5 (Lenny) 2.6.26-2-686 When logged in as my main account I can play videos in Totem and VLC. But when logged in with my "mythtv" user account, all I get is a blank screen, but the audio works. I suspected a permissions issue and thought maybe I should add mythtv to the video group? Something to try. But when I go to System > Administration > Users and Groups, I don't have a mythtv user listed. The user does exist, I log in with it. Also, I have: mythtv:x:113:121::/var/lib/mythtv:/bin/sh in /etc/passwd I just don't know where to begin looking for this, since it is working for other users, just not the one I need it to.
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Apr 8, 2011
... with an error message box stating that :
"The playback of this movie requires a GStreamer element audioconvert plugin which is not installed."
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Jun 20, 2011
Majority of the videos I play with VLC the audo is out of sync, I have to delay it about 400ms to sync it. This only started happening after I upgraded to 10.04 64bit ( from 32bit ). Could it be a bug in the version of VLC I'm using (1.1.10)?
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Sep 28, 2010
How to sync audio and video which is captured from a aeperate camera device and a microphone,how to relate timestamps to audio and video to syncing.I m capturinfg video at 30fps and audio 160 samples everytime so how these 2 should be related to sync and playback at a time
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Feb 5, 2015
I try to record video with my Win TV capture card with avconv. The exact same lines worked fine with Ubuntu 12 and with SUSE, but with Ubuntu 14, the audio is out of sync.
avconv -f video4linux2 -channel 1 -s 640x480 -i /dev/video0 -deinterlace -f alsa -i plughw:1,0 -ar 22050 -ab 64k -acodec ac3_fixed -vcodec mpeg4 -vb 2000k -y test.mp4
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Oct 17, 2010
I've upgraded Ubuntu 10.04 to Ubuntu 10.10 yesterday and I'm experiencing some issues now.
Audio is out of sync for all videos I'm trying to watch in VLC (sync was 100% fine in Ubuntu 10.04).
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Sep 10, 2015
I have a problem with avconv. Most of the use cases work spledidly, but when I need to crop a segment and then splice multiple segments together, I get problems.
The process I use is this:
1. Raw recording of short segments in high-quality AVI, These are produced by avconv, some as screencast and some by combining a PNG file with flac audio from audacity.
2. Conversion segment by segment into mp4 and ogv
Options A: -acodec aac -strict experimental -ab 128k -ac 2 -vcodec libx264 -s 640x480 -pix_fmt yuv420p -movflags +faststart -crf 22
Options B: -acodec libvorbis -ab 128k -ac 2 -vcodec libtheora -s 640x480 -b 500k
3. Splicing of the segments using MP4Box or oggCat.
(I used to do this in ffmpeg, but I have not figured out how to do it in avconv.)
This works.
In some cases I need to crop the segments, using the copy codecs and the -ss and/or =t options.
If I crop the AVI segments (between 1 and 2) the sound is clipping (this also generates a spree of error messages `Non-monotonous DTS'). If I crop mp4/ogv segments, (between 2 and 3) the remaining video, after the cropped segment are out of sync. I get the same problems with both OGV and MP4 playing them in vlc. Playing the mp4 directly in iceweasel works as it should.
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Oct 20, 2015
So I got myself a USB capture card (EasyCap) to use for capturing gaming, digitizing my kids' old VHS movies, etc. It works fine, I've been using VLC to view and record stuff from it, but I've noticed one issue. When recording streams via VLC, even with no other programs running to give VLC as much CPU time as it wants, the audio slowly falls out of sync. I've tried the MP4 (H264/MP3) container and the OGG (Vorbis/Theora) container.
Early on you can't hardly tell, but the further into a movie you get the more out of sync the audio gets, so that by the end of the movie the audio is a good 1-2 seconds off. It's not a set amount either so I can't just split the audio to a separate file then shift it one direction or the other to make up for the difference, because like I said, the offset starts out at nothing and gets progressively larger as the movie goes on. When I select "display locally", the video/audio that is displayed stays in sync, only the video/audio that gets committed to the output file falls out of sync, and it doesn't matter if I play the file with Totem or VLC.
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Dec 2, 2010
I watch alot of news videos and within 1 - 2 minutes the video and audio become out of sync. The video is lagging the audio. I'm using 10.10 32 bit with Shock Flash 10.1 r102 on Firefox. Will the 10.2 beta flash fix this problem?
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Mar 29, 2011
I put all my dvds on my "media center" by converting them to .MP4 with handbrake.
Recently I saw that with a MKV file you could do soft subtitles. I tested a part of a movie, and the audio and video are very out of sync.
With MP4/burned in audio everything is ok...
Edit: Ow yes I'm using XBMC for playing it. MP4 + MKV files are both H.264, they have the exact same settings except for subtitles...
Weirdly Enough: I tried another video and at this one the audio is in sync....
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May 27, 2011
After upgrading to 11.04, video and audio are out of sync by about one second when playing movies in VLC, or opening a clip on the web. Reinstalling does nothing.
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Jun 20, 2011
I am burning DVD iso's and they seem to work great I have video output and sound output however as the film goes on the audio gradually becomes more out of sync but if I hit the rewind button on my remote and then play the sound is in sync again for a few minuets. I am using DeVeDe and Gnome Baker to create and burn my iso images to disc and they work great on the computer but not so great on my dvd players I am burning onto Verbatim DVD-R using Ubuntu 10.04 lucid lynx.
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Jul 4, 2010
How can one adjust/sync audio and video in gnome-mplayer while watching video
The following is my configuration :-
OS : Opensuse 11.2
Media Player : gnome-mplayer 0.9.9
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Jan 5, 2011
I am attempting to backup DVDs that I own to .iso format so that I'm able to watch them using xbox media center. I've simply been copying the entire DVD to my HD in .iso using brasero.When I watch the .iso file in XBMC, the audio is a fraction of a second ahead of the video. The gap between the audio and video doesn't seem to change over the duration of the clip.
What are the likely causes of this issue? I've read that it could be a slow processor, little ram, or inadequate video card. If it's indeed a hardware issue, I suppose I'm SOL with my current laptop: a 2006 dell with a core 2 duo processor, 2GB ram, and a middle of the road video card at that time.Is there any software tweak I can explore to get the .iso file to sync properly?Also, I know it's customary for posters to list their system specifications, but I don't know how to call up my software or hardware setups.
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Jan 7, 2010
I am trying to use ffmpeg and mencoder to slice a portion of my video out but the audio is always 2 seconds out of sync.
ffmpeg -i bird.avs.MP4 -acodec copy -vcodec copy -ss 00:08:40 -t 00:01:00 test.mp4
mencoder -ss 00:08:40 -endpos 00:01:00 -oac copy -ovc copy bird.avs.MP4 -o test.mp4
mencoder -ss 00:08:40 -endpos 00:01:00 -oac copy -ovc copy -noskip bird.avs.MP4 -o test.mp4
[Code]....
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Aug 9, 2010
I have a couple of .avi clips in which the sound plays 2 seconds before the video, so I need a software that can re-sync the sound correctly with the video with affecting the video/audio quality, what program can I use? What is the name of this feature in video editing programs? I am using Ubuntu 10.04. I noted that the Multimedia & video forum have only threads about problems in playing videos & cards drivers problems.
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Aug 31, 2010
my goal is to record video using a canon powershot camera, edit the avi file on my ubuntu 10.04 computer, then upload the rendered file to videos.
problem is that when i cut the video, the audio is no longer in sync with the video, it's off by about 1-2 seconds. this happens with both openshot and pitivi, so i suspect that it's caused by a bug with the codec. (files are avi with mjpeg codec). after searching launchpad, this is apparently a "known issue". that's great but for now i need a workaround.
i do have an old g4 powerbook with imovie hd v6 on it that i can use, but i'd prefer not to because:
1. the powerpc mac is much slower than my new dual core laptop
2. imovie compresses my videos too much so the rendered file is lower quality
3. i simply prefer openshot to imovie
i was thinking of preprocessing my avi files by converting them to another format with a non-buggy codec on linux. i downloaded ffmpeg, but not sure how to use it and what format to use. would mpeg2 be a safe one to use?
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Jun 3, 2010
It seems that selinux has stop weav to sync the bookmarks.I followed the fix code as SELinux suggested,but it can't work.Does anyone know how to solve it?
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Feb 22, 2010
I have a desktop hooked up to a router and plugged into my TV. I like to run Totem and have videos running full screen on my TV. I would like to control that Totem using my laptop (connected to the same router over wifi). How would I go about doing that? I connected to my desktop using SSH and tried to send signals to Totem, but nothing worked. I tried using VNC, and that was ineffective as well.
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Oct 24, 2010
I use jpilot on opensuse 11.3 64bit to sync pim data with my Palm Treo 680 via bluetooth. This worked fine until today. Now I get the following error message when I try to sync: Syncing on device bt: Press the HotSync button now dlp_ReadSysInfo error Exiting with status YNC_ERROR_PI_CONNECT Finished.
The last successfull sync was on the 20th October and today is the 24th October. I did not change any settings in jpilot or on my palm device. So I guess there must have been an update of opensuse which causes this error. But I do not now how to look up the updates during this period or how to undo them. Was there an update between the 20th and the 24th Oktober, which might affect either jpilot or bluetooth functionality?
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Sep 19, 2011
I've discovered Firefox Sync a while ago, and it's absolutely awesome. Now of course I'd like most of my software to work this way! So is there a way to get the same behavior with Thunderbird?
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Sep 10, 2010
I've got Ubuntu One syncing a single 25MB folder on 4 computers. On one of these computers, the ubuntuone-syncdaemon process constantly pegs the CPU, using from 50-80% long after any sync-able files have been modified and successfully synced. The process is only using 8.9MB of RAM.
Specs:
Ubuntu 10.04 (lucid)
Kernel 2.6.32-24-generic
1000.8 MB RAM
Pentium 4 2.53GHz
Free disk space: 280.9 GB
System monitor shows 56.8% total RAM usage, 15.4% swap file usage.
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Feb 4, 2011
I noticed in the plugins on my fedora 13 systems under Totem that is has a BBC iplayer plugin. Ticked the box nothing happens?
Anyone know what to do to enable it?
yum list | grep totem doesn't show an .rpm to install
yum list | grep iplayer doesn't help either?
yum repolist
Loaded plugins: auto-update-debuginfo, refresh-packagekit
Found 4 installed debuginfo package(s)
Enabling rpmfusion-nonfree-debuginfo: RPM Fusion for Fedora 13 - Nonfree - Debug
Enabling rpmfusion-free-updates-debuginfo: RPM Fusion for Fedora 13 - Free - Updates Debug
Enabling rpmfusion-nonfree-updates-debuginfo: RPM Fusion for Fedora 13 - Nonfree - Updates Debug
Enabling rpmfusion-free-debuginfo: RPM Fusion for Fedora 13 - Free - Debug
repo id repo name status
adobe-linux-i386 Adobe Systems Incorporated 18
fedora Fedora 13 - i386 16,814
fedora-source Fedora 13 - Source 0
rpmfusion-free RPM Fusion for Fedora 13 - Free 400
rpmfusion-free-debuginfo RPM Fusion for Fedora 13 - Free - Debug 0
rpmfusion-free-updates RPM Fusion for Fedora 13 - Free - Updates 951
rpmfusion-free-updates-debuginfo RPM Fusion for Fedora 13 - Free - Updates Debug 257
rpmfusion-nonfree RPM Fusion for Fedora 13 - Nonfree 134
rpmfusion-nonfree-debuginfo RPM Fusion for Fedora 13 - Nonfree - Debug 0
rpmfusion-nonfree-updates RPM Fusion for Fedora 13 - Nonfree - Updates 346
rpmfusion-nonfree-updates-debuginfo RPM Fusion for Fedora 13 - Nonfree - Updates Debug 94
updates Fedora 13 - i386 - Updates 7,164
updates-debuginfo Fedora 13 - i386 - Updates - Debug 1,726
updates-source Fedora 13 - Updates Source 0
repolist: 27,904
That's the repo list I have.... does it have a special repo to download from.
Thanks, yakky
---------- Post added at 06:22 PM ---------- Previous post was at 05:45 PM ----------
Just as an update I can see iplayer on the properties drop down and indeed can see the titles listed they just don't seem to play.
I notice in the plugins section when I enable the BBC iplayer plugin the configure button is always 'greyed out'.
If anyone knows hoe to enable this button that may help.
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Nov 18, 2009
I am having trouble getting the pulse audio server to find the hw0 with the common m-audio 24/96 audiophile. This card worked with previous versions of all forms of pulse but seems to bork on the HW0 function for audio out...which is a stereo analogue simple output. Audacity sees the HW functions but pulse does not! Here is a screen shot of the pulse crap. And another screen shot of what the real card at "alsamixer -c 0" sees. There is no dac or adc detected or configured with pulse. This does not make any sense as alsa and alsamixer has all the correct device controls available to any other software that uses the ice1712 driver.
I am using Fedora 12 amd 64 as a live usb on a 16 gig stick and want to be able to record and mix audio on to HD with my reliable high end m-audio pci sound card without having to mess with the pulse crap or having to install a full HD option. BTW in the pulse sound configuration gui dropdown list there is no indication of HW0 and the only devices that are available in pulse are digital outs.....go figure, so essentially I can see all the correct connections and use programs that access alsa directly eg: audacity but have no sound through the crappy and ever borked pulse audio server! Any suggestions as to how to remove all the pulse stuff that comes with most distros that use gnome? I have done this deed before with Ubuntu but do no know how to do the deed with an rpm based system. If I install a non pulse version of xmms and let it use jackd then I should have reliable sound for cd audio etc and should be able to configure VLC, Ardour and Nted well without pulse getting in on the action and screwing up my sound.
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Mar 2, 2010
As my exploration through Fedora is going quite well (and due to recent problems that I haven't been able to fix in Ubuntu, it's drawing me to Fedora even more), I still have another small question. I listen to basslover.de constantly, and when I click on the Windows Media Player button to start that stream, Totem starts getting picky about my connection. We have two wireless networks (for a specific reason), and whenever I pick the faster router, Totem happily plays, but refuses to play on the slower one. I know it's not an internet problem because I can play from either network in Ubuntu, and I also updated my wireless in Fedora with a new set of madwifi drivers. Is this something I can fix?
EDIT: Also, if this isn't clear, Totem is playing the stream inside Firefox. EDIT 2: Hmm, strange. It suddenly worked on the slower connection if I changed DHCP settings to Manual and then gave in details along with the Google Public DNS servers. However, this works in Ubuntu while on DHCP.
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