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Old Oct 16, 2010, 07:23 PM   #1
Clunny
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Jerky film on VLC

Hi, I have downloaded a film and the playback on VLC is a bit jerky. The picture and sound are great but it just seems a bit jumpy. Looking at the time on the payback it seems to skip a second or so every 3 seconds. So as an example at the start the timer goes: '1s, 3s, 5s, 6s, 8s' etc.

Just wondering if someone knew whats going on and if they could help me fix the problem
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Old Oct 16, 2010, 07:35 PM   #2
spinnerlys
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Open the video file in VideoSpec or MediaInfo Mac and attach the report to your next post.
If not, at least tell us what codec and bitrate is used and how big the file is in MB and how long it is in minutes.
And what exact Mac with what exact Mac OS X and VLC Player version do you use?
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Old Oct 16, 2010, 07:47 PM   #3
Clunny
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This is the report:


***** First Analyzed File Results *****

*** General Parameters ***
- Name: Troy.avi
- Container: RealMedia
- Creation Date: 2010-10-16 23:35:21
- Size: 865.6 MiB
- Duration: 3:16:2
- Bitrate: 601 Kbps
- Encoding Library: Undefined
- Encoding Application: Undefined

*** Video Track Parameters ***
- Format: RealVideo
- Size: 753 MiB (87%)
- FourCC: RV40
- Track number(s): 1
- Bitrate: Max.: Undefined
Average: 537 Kbps
Min.: Undefined
- Frame rate (fps): Max.: Undefined
Average: 23.000
Min.: Undefined
- Bitrate mode: Undefined
- Encoding profile: Undefined
- Resolution: 12 bits
- Width (Pixel number): 720
- Height (Pixel number): 304
- Pixel Aspect Ratio: Undefined
- Display aspect ratio: 2.35:1
- Chroma subsampling format: YUV420p
- TV standard: Undefined
- Interlacing: Undefined
- Encoding library: Undefined
- Additional Parameters: Bits/(Pixel*Frame) ratio: 0.107

*** Audio Track(s) Parameters ***
- Format: RealAudio COOK
- Size: 89.9 MiB (10%)
- FourCC: cook
- Number(s) and language(s): 0: Undefined
- Details: -
- Profile: Undefined
- Bitrate: 64.1 Kbps
- Bitrate mode: Undefined
- Resolution: 16 bits
- Rate: 44.1 KHz
- Channel(s): 2 (stereo)
- Position: Undefined
- Encoding Library: Undefined
- Additional Parameters: Not available

*** Miscellaneous ***
- Subtitle(s): No Subtitle
- Metadata: Album: Undefined
Part number: Undefined
Track name: Undefined
Track name number: Undefined
Performer: Undefined
Screenplayer/Writer: Undefined
Genre: Undefined
Encoded date: Undefined
Comment: Undefined
Album artist: Undefined
Grouping: Undefined
Copyright: Undefined




The version of VLC I use is 1.1.3
My Mac is is:
-Mac OS X 10.5.8
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Old Oct 16, 2010, 07:53 PM   #4
spinnerlys
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The culprit, despite the low bitrate, is the RV40 codec, which is a RealVideo codec and you might need the Real Player to play that file, though I've never encountered an .avi file with a Real codec before.

On a second look, the name says .avi, but the container says RealMedia, thus the file suffix should be .rm.
Quote:
Originally Posted by Clunny View Post
This is the report:

- Name: T***.avi
- Container: RealMedia

*** Video Track Parameters ***
- Format: RealVideo
- Size: 753 MiB (87%)
- FourCC: RV40

*** Audio Track(s) Parameters ***
- Format: RealAudio COOK
- Size: 89.9 MiB (10%)
- FourCC: cook
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Old Oct 16, 2010, 08:02 PM   #5
Clunny
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Thank you very much! Just downloaded Real Player and it seems to work perfectly well! Never been very good with computers and such, so really appreciate the help
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