Choppy playback of wmv files

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wul62
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Choppy playback of wmv files

Postby wul62 » 11 Jun 2013 13:01

It strikes me that once I wish to playback a .wmv file, it often starts out be distorted/choppy, but after waiting for say 5-10 seconds(while playback continues), it all gets well again.
I.e. in most case (if not all), the garbled/blocky playback, or whatever it is called, is at the start only.

If it is a longer clip, well, one might forget about the start and pick up the rest, but in case of just short clips most of the introduction may fall away which could be essential.


Below some examples.

I noticed that it involves wmv9

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TIA
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Jean-Baptiste Kempf
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Re: Choppy playback of wmv files

Postby Jean-Baptiste Kempf » 11 Jun 2013 17:31

Can you share a file?
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wul62
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Re: Choppy playback of wmv files

Postby wul62 » 12 Jun 2013 09:35

Hello to you,

Sent some files to you thru ecp.
Hope they arrive in good order.

brgds
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wul62
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Re: Choppy playback of wmv files

Postby wul62 » 12 Jun 2013 09:48

see mail
Last edited by wul62 on 12 Jun 2013 11:42, edited 1 time in total.

Lotesdelere
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Re: Choppy playback of wmv files

Postby Lotesdelere » 12 Jun 2013 11:40

Upload a short sample of a problematic file to either http://streams.videolan.org/upload/ or to EmbedUpload.com, the latter will upload the file for you to several other hosts and then post the link to the file here.

If needed cut it with DGsplit and read here about how to do it:
viewtopic.php?f=14&t=57724&p=193335#p193335
50 MB max should be enough.

wul62
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Re: Choppy playback of wmv files

Postby wul62 » 12 Jun 2013 11:49

Uploaded file Video-Best-25fps-12062013 091624.wmv.

Lotesdelere
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Re: Choppy playback of wmv files

Postby Lotesdelere » 13 Jun 2013 08:57

Same format hence same problem as this one:
viewtopic.php?f=2&t=111543

You can add your comments, log and sample file link to ticket 8795.

wul62
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Re: Choppy playback of wmv files

Postby wul62 » 13 Jun 2013 09:40

Meanwhile done.
The videofile should be already be available at vlc.
I hesitate to create yet another new account for use at EmbedUpload.com..
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Re: Choppy playback of wmv files

Postby badAdjective » 08 Dec 2013 03:20

I am having the same issue with 2.1.1. I noticed the aforementioned ticket has been closed. I'm a novice user so I don't understand the language used in the ticket, but is there a solution at this time? Or will I need to wait for the new 2.2 version?

Jean-Baptiste Kempf
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Re: Choppy playback of wmv files

Postby Jean-Baptiste Kempf » 12 Dec 2013 00:48

Yes, you need 2.2.0 or a 2.2. nightly build.
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wul62
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Re: Choppy playback of wmv files

Postby wul62 » 06 Feb 2014 14:41

Installed v2.1.3 being the latest version from VideoLAN home page.
The choppy playback still exists.
Ticket #8795 is closed defect (fixed)
As said it is limited to the first say 5-10 seconds. Thereafter playback is okay.
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Details of the file (which is only 1 example)
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General
Complete name : F:\Downloads\APP309.wmv
Format : Windows Media
File size : 874 MiB
Duration : 48mn 30s
Overall bit rate mode : Constant
Overall bit rate : 2 519 Kbps
Maximum Overall bit rate : 3 733 Kbps
Encoded date : UTC 2013-09-12 01:54:12.219

Video
ID : 2
Format : VC-1
Format profile : Advanced@L2
Codec ID : WVC1
Codec ID/Hint : Microsoft
Description of the codec : VC-1 - VC-1 Advanced Profile
Duration : 48mn 30s
Bit rate mode : Constant
Bit rate : 3 500 Kbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate : 30.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.127
Stream size : 1.19 GiB
Language : English (US)

Audio
ID : 1
Format : WMA
Format version : Version 2
Codec ID : 161
Codec ID/Info : Windows Media Audio
Description of the codec : Windows Media Audio 9.2 - 192 kbps, 48 kHz, stereo 1-pass CBR
Duration : 48mn 30s
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Stream size : 66.6 MiB (8%)
Language : English (US)

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Jean-Baptiste Kempf
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Re: Choppy playback of wmv files

Postby Jean-Baptiste Kempf » 15 Feb 2014 13:36

As I said, 2.2.0
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wul62
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Re: Choppy playback of wmv files

Postby wul62 » 15 Feb 2014 14:52

Am sorry, I am a newbie - but what do you mean with a nightly built?
Is that a beta version or something?
Something that is not entirely working properly in the official release,
I should then download a non-official version ?

Jean-Baptiste Kempf
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Re: Choppy playback of wmv files

Postby Jean-Baptiste Kempf » 15 Feb 2014 15:03

Jean-Baptiste Kempf
http://www.jbkempf.com/ - http://www.jbkempf.com/blog/category/Videolan
VLC media player developer, VideoLAN President and Sites administrator
If you want an answer to your question, just be specific and precise. Don't use Private Messages.

wul62
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Re: Choppy playback of wmv files

Postby wul62 » 15 Feb 2014 15:47

Thanks. Downloaded and installed that version.
Tried about 10 different .wmv files and they all look okay.
Will keep and eye on it and get back here in case of an issues.
(Why not include it in the official release?)

Thanks again
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Jean-Baptiste Kempf
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Re: Choppy playback of wmv files

Postby Jean-Baptiste Kempf » 15 Feb 2014 15:52

this is a preview of the next release.
Jean-Baptiste Kempf
http://www.jbkempf.com/ - http://www.jbkempf.com/blog/category/Videolan
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Mandibleclaw
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Re: Choppy playback of wmv files

Postby Mandibleclaw » 03 Apr 2014 12:02

I can confirm that the 64-bits version of the 2.2.0 git build of 3-April-2014 of VLC successfully ran my choppy WMV without any problem. Only thing now is to make it live as I hate to use beta versions and I won't stop using VLC!


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