The VideoLAN Forums

I am running VLC 0.8.6c on a new computer and the video and audio play too fast. It is like it is fast forwarding. All the videos I have tried have done this. Also network streams don't do anything but display a black screen or show the first frame of video. I tried adjusting the Video ouput module but that didn't help.

Computer specs:
AMD 64 X2 6000+
2GB Ram
Windows Vista (32)
VLC 0.8.6c

Any ideas what could be causing this?

Thanks...

I also tried doing a stream and it streamed a 4:05 clip in 1:10. The counter for the clip playing does not progress at a normal rate when playing or streaming.

Update your sound card drivers as all video must be in sync with audio. Also if your sound card drivers are up to date then leaving the video output module on "DirectX video output" may give you the best playback experience.

Thanks for the reply..

I changed my sound card drivers to the most recent from the manufacturer, previously I had microsoft default drivers. I also uninstalled my sound card drivers as suggested in another thread but that didn't help. Also disabling audio in VLC didn't help. Mp3's play fast too. I have tried all combinations of video output modules and they all have the problem. Any other ideas?

Have you tried different combinations of audio output modules too?

Win32 waveOut extension output

I just tried them all, no luck. Still going fast

Try resetting VLC's preference and cache files.

Close VLC if you have it open, then go to:
C:\Documents and Settings\(Your username)\Application Data

And delete the "vlc" folder. Then open VLC and try a video.

Arite.

I reset all settings in prefrences then deleted the vlc folder in C:\users\Me\Appdata\Roaming (Vista Path?) and still no change. Thanks for the help...

Are you over clocking either GPU or CPU?

Not that I know of....

VLC relies heavily on your system and by default uses DirectX for both sound and video, however Vista uses DirectX 10 (that ATM NO ONE is writing apps for). So you will need to specifically set DirectX as the output modules in VLC. Even then Vista is BUGGY. At least the deficiencies are well known in XP.

Over clocking or Miss clocking can cause problems. Most vendors of new machines are offering XP as a free downgrade for those that are fed up with Vista.

I am still having this problem. After more troubleshooting I found that the most updated realtek drivers are worse than the default microsoft drivers. With the realtek drivers all audio plays fast from any application, including windows media player and even youtube. I went back to the microsoft drivers and now only VLC and SMplayer are playing fast. I am tempted to get another sound card to try it, do you think that might help? Any other suggestions?

If you're using the realtek drivers then some have found that downgrading those drivers will resolve the issue; keep going one driver version back at a time until you find the one that works.

If you're really considering another sound card then for a good one you're kinda left with Creative as they're the only ones, that CloudStalker knows of, that are still developing top of the line sound card technology.

Are your chipset drivers updated?

How would I find out about the chipset?

I installed an old PCI sound card today and disabled the onboard soundcard. I have the same results. So its not the sound card's fault...

Here is a portion of the log when the playing an mp3 file:

main debug: audio output is too slow (190791), trashing 92879us
main debug: audio output is too slow (97971), trashing 92879us
main debug: audio output is too slow (358073), trashing 92880us
main debug: audio output is too slow (265248), trashing 92880us
main debug: audio output is too slow (172396), trashing 92879us
main debug: audio output is too slow (79549), trashing 92880us
main warning: output date isn't PTS date, requesting resampling (76646)
main warning: buffer is 76654 late, triggering upsampling
main warning: output date isn't PTS date, requesting resampling (85890)
main warning: audio drift is too big (162341), dropping buffer
main warning: audio drift is too big (136219), dropping buffer
mpgatofixed32 debug: libmad error: bad main_data_begin pointer
main debug: audio output is too slow (161929), trashing 92879us
main debug: audio output is too slow (69101), trashing 92880us
main warning: output date isn't PTS date, requesting resampling (254680)
main warning: audio drift is too big (364430), dropping buffer
main warning: audio drift is too big (338308), dropping buffer
main warning: audio drift is too big (312186), dropping buffer
main warning: audio drift is too big (286063), dropping buffer
main warning: audio drift is too big (259941), dropping buffer
main warning: audio drift is too big (233819), dropping buffer
main warning: audio drift is too big (207697), dropping buffer
main warning: audio drift is too big (181575), dropping buffer
main warning: audio drift is too big (155452), dropping buffer
main warning: audio drift is too big (129330), dropping buffer
mpgatofixed32 debug: libmad error: bad main_data_begin pointer
main debug: audio output is too slow (333112), trashing 92879us
main debug: audio output is too slow (240282), trashing 92880us
main debug: audio output is too slow (147432), trashing 92880us
main debug: audio output is too slow (54577), trashing 92880us
main warning: output date isn't PTS date, requesting resampling (240104)
main warning: audio drift is too big (342105), dropping buffer
main warning: audio drift is too big (315983), dropping buffer
main warning: audio drift is too big (289861), dropping buffer
main warning: audio drift is too big (263738), dropping buffer
main warning: audio drift is too big (237616), dropping buffer
main warning: audio drift is too big (211494), dropping buffer
main warning: audio drift is too big (185372), dropping buffer
main warning: audio drift is too big (159249), dropping buffer
main warning: audio drift is too big (133127), dropping buffer
mpgatofixed32 debug: libmad error: bad main_data_begin pointer
main debug: audio output is too slow (503665), trashing 92880us
main debug: audio output is too slow (410828), trashing 92880us
main debug: audio output is too slow (317976), trashing 92880us
main debug: audio output is too slow (225119), trashing 92880us
main debug: audio output is too slow (132263), trashing 92879us
main warning: output date isn't PTS date, requesting resampling (317777)
main warning: audio drift is too big (422339), dropping buffer
main warning: audio drift is too big (396217), dropping buffer
main warning: audio drift is too big (370095), dropping buffer
main warning: audio drift is too big (343972), dropping buffer
main warning: audio drift is too big (317850), dropping buffer
main warning: audio drift is too big (291717), dropping buffer
main warning: audio drift is too big (265595), dropping buffer
main warning: audio drift is too big (239472), dropping buffer
main warning: audio drift is too big (213350), dropping buffer
main warning: audio drift is too big (187228), dropping buffer
main warning: audio drift is too big (161106), dropping buffer
main warning: audio drift is too big (134984), dropping buffer

I finally fixed this. I Enabled 'HPET' in the power management settings in BIOS to fix it.