vlc freezes at a fast forward speed of 16x

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T-buch
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vlc freezes at a fast forward speed of 16x

Postby T-buch » 23 Jan 2018 01:31

I like to do many fast seeks of some of my video-files. The videoformat of those videofiles are in MPEG-TS, AVC 1280 x 720 pixels 50.000 FPS (and mpeg2 audio)

Everything is Fine with a speed of 8X - but when trying to increase the speed to 16X, the video freezes

I have done everything which is listed here https://windowsreport.com/vlc-media-pla ... indows-10/ - but the problem is still unsolved

Any ideas?
Last edited by T-buch on 23 Jan 2018 20:07, edited 1 time in total.

T-buch
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Re: vlc freezes at a fast forward speed of 16x

Postby T-buch » 23 Jan 2018 20:05

Do people understand the problem?

garf
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Re: vlc freezes at a fast forward speed of 16x

Postby garf » 24 Jan 2018 09:11

Hello,

at first glance this could be a device read bandwidth issue (storage device too slow ?).
Can you check:
- in VLC: error messages in message window (Ctrl-M shortcut, set verbosity to debug)
- in Task Manager -> Performance tab: check for the disk usage.

T-buch
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Re: vlc freezes at a fast forward speed of 16x

Postby T-buch » 25 Jan 2018 14:37

Hello and thanks for your reply

There are no problems with the disk Use - rather the the CPU speed of my I5 2500K - At a speed of 16X I got a CPU-usage og 55% and I got the following error message:
avcodec error: more than 5 seconds of late video -> dropping frame (computer too slow ?)

T-buch
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Re: vlc freezes at a fast forward speed of 16x

Postby T-buch » 25 Jan 2018 14:40

Setting it to debug - I got:

vcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
avcodec warning: More than 4 late frames, dropping frame
avcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
avcodec warning: More than 4 late frames, dropping frame
avcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
avcodec warning: More than 4 late frames, dropping frame
avcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
avcodec warning: More than 4 late frames, dropping frame
avcodec warning: More than 4 late frames, dropping frame
avcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
avcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
avcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
avcodec warning: More than 4 late frames, dropping frame
avcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
avcodec warning: More than 4 late frames, dropping frame
avcodec warning: More than 4 late frames, dropping frame
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer
core debug: discarded audio buffer

And so on

robUx4
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VLC version: master
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Re: vlc freezes at a fast forward speed of 16x

Postby robUx4 » 26 Jan 2018 11:03

Are you using VLC 2.2 ? If so please try VLC 3.0. With hardware decoding that might solve the issue.

T-buch
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Re: vlc freezes at a fast forward speed of 16x

Postby T-buch » 26 Jan 2018 12:13

As I can see the newest official version is 2.x.x???
(anyhow thanks for the advice)

T-buch
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Re: vlc freezes at a fast forward speed of 16x

Postby T-buch » 17 Feb 2018 17:04

Now I am using VLC 3.0
Unfortunately, I have to say that it only got worse
Things get unstable already at a speed of 4X - 8x


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