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Very odd behavior on AVI
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janlafata
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22. June 2010 @ 02:05 _ Link to this message    Send private message to this user   
I have 17, 45 minute programs in AVI. They are in 4:3. When I played back the first 10, they all defaulted to full screen on my 46 inch wide screen TV, but from number 11 on they did not display fully, but with black bars on each side.

The funny thing is, these are all from the same source and when I loaded a couple of programs into "MediaInfo" to compare the stats, everything looks the same for the ones that played in wide screen and the ones that didn't. Can't figure this out! Below is MediaInfo for an AVI that played in wide screen and for one that didn't. I couldn't find a whole lot of difference between them, maybe you can!

MediaInfo from AVI that played ok in wide screen:

General
Complete name : E:\Video\Program.avi
Format : AVI
Format/Info : Audio Video Interleave
File size : 350 MiB
Duration : 47mn 33s
Overall bit rate : 1 028 Kbps
Writing application : VirtualDubMod 1.5.10.2 (build 2540/release)
Writing library : VirtualDubMod build 2540/release

Video
ID : 0
Format : MPEG-4 Visual
Format profile : Advanced Simple@L5
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (MPEG)
Muxing mode : Packed bitstream
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 47mn 33s
Bit rate : 829 Kbps
Width : 576 pixels
Height : 432 pixels
Display aspect ratio : 4:3
Frame rate : 23.976 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.139
Stream size : 282 MiB (81%)
Writing library : XviD 1.1.0 (UTC 2005-11-22)

Audio
ID : 1
Format : AC-3
Format/Info : Audio Coding 3
Format profile : Dolby Digital
Codec ID : 2000
Duration : 47mn 33s
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Channel positions : L R
Sampling rate : 48.0 KHz
Stream size : 65.3 MiB (19%)
Alignment : Split accross interleaves
Interleave, duration : 83 ms (2.00 video frames)
Interleave, preload duration : 500 ms

MediaInfo on AVI that played in 4:3:

General
Complete name : E:\Video\Program.avi
Format : AVI
Format/Info : Audio Video Interleave
File size : 350 MiB
Duration : 45mn 37s
Overall bit rate : 1 072 Kbps
Writing application : VirtualDubMod 1.5.10.2 (build 2540/release)
Writing library : VirtualDubMod build 2540/release

Video
ID : 0
Format : MPEG-4 Visual
Format profile : Advanced Simple@L5
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (MPEG)
Muxing mode : Packed bitstream
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 45mn 37s
Bit rate : 873 Kbps
Width : 576 pixels
Height : 432 pixels
Display aspect ratio : 4:3
Frame rate : 23.976 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.146
Stream size : 285 MiB (81%)
Writing library : XviD 1.1.0 (UTC 2005-11-22)

Audio
ID : 1
Format : AC-3
Format/Info : Audio Coding 3
Format profile : Dolby Digital
Codec ID : 2000
Duration : 45mn 37s
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Channel positions : L R
Sampling rate : 48.0 KHz
Stream size : 62.7 MiB (18%)
Alignment : Split accross interleaves
Interleave, duration : 83 ms (2.00 video frames)
Interleave, preload duration : 500 ms
Senior Member
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25. June 2010 @ 01:01 _ Link to this message    Send private message to this user   
Not sure. Did you try looking at them in Gspot to see if anything is odd
regarding sar,dar & par?

Do they play the same or different in WMP ?
How are you playing them(upconverting standalone 1080i) ?
janlafata
Member
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25. June 2010 @ 02:09 _ Link to this message    Send private message to this user   
Well I won't be able to answer that now cause I decided to replace the batch I had with new files from a different source. All I can think of is that there had to be some little glitch or charge in the numbers 11-22 than there were in numbers 1-10.

They looked the same playing them back in WMP as much as they did in MPC. I was playing them back on standard Magnavox player at 480p
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Senior Member
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25. June 2010 @ 02:52 _ Link to this message    Send private message to this user   
480p over component cables ?

This message has been edited since posting. Last time this message was edited on 25. June 2010 @ 12:51

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