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video DVD plays shorter length of film than expected
My video DVD is playing a shorter length of a video than expected.
The video in question is 43 minutes long, but only 30 minutes will play on my DVD player on my TV in my living room.
The file directory that appears on my DVD player O.S. “VIDEO_TS/VTS_01_1.vob” is the first part of the 43 minute long TV series episode, which is logical given the “_1”. It plays for 16 minutes before the DVD player O.S. flashes a message on screen that says something like “Signal Detected” and at the “Signal Detected” message is when it switches to the next file. This file shows up as 0.97 Gb on Windows Explorer.
The file directory that appears on my DVD player O.S. “VIDEO_TS/VTS_01_2.vob” is the second part of the 43 minute long TV series episode, which is logical given the “_2”. It plays for 14 minutes before the screen goes black and then returns to menu. This file shows up as 955 Mb on Windows Explorer.
The file directory that appears on my DVD player O.S. “VIDEO_TS/VIDEO_TS.vob” when I select it with my remote control it plays the same content as “VTS_01_1.vob”. This file shows up as 232 Kb on Windows Explorer.
I’m not sure what the purpose of the “VIDEO_TS.vob” file does when the other .vob files contain the actual video content.
I’m not sure why Vegas split up the render project into 2 .vob files containing video content instead of one video file like as if I was watching the video on my laptop there is only one video file for watching the video on my laptop instead of this weird “VTS_01_1” stuff.
The DVD video burn render settings that I used to render in Vegas was:
file container: MPEG-2
video: 720×480 60i 2500kbps
audio: AAC encoder stereo 192kbpsI selected 60i to make the video work on my analog TV since it uses interlaced scanning to make it display all of the information on the screen instead of down converting 30p to 30i which is only half as many scan lines at a time. According to Vegas, my approximate file size was 3.3 Gb what ever DVD video burn render settings I selected.
Any suggestions?
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4 Replies
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[Dieter Moreno] “I’m not sure why Vegas split up the render project into 2 .vob files containing video content instead of one video file like as if I was watching the video on my laptop there is only one video file for watching the video on my laptop instead of this weird “VTS_01_1″ stuff.”
Because the DVD spec requires VOB files to be no larger than 1GB so they must be split on 1GB boundaries.
[Dieter Moreno] “Any suggestions?”
Try the disc on another DVD player. It could be a problem with the DVD player and not the disc depending on how old the DVD player is.
~jr
http://www.johnrofrano.com
http://www.vasst.com -
I don’t have another stand alone DVD player at my house.
It works normally for video DVDs that were professionally made.
Do you think that 30 minute video would take 2 Gb and there was a render error like there should have been another 1 Gb file created called “VTS_01_03.vob”?
Would manually creating a 15 minute long 1 Gb .vob file that I save as “VTS_01_03.vob” where the DVD player stopped recieving a signal fix the problem?
Or does manually naming .vob files not do anything for the DVD OS to understand the files and the DVD OS can only understand the files if a program has rendered them to DVD?
Edit 1: I tried manually renaming the .vob file and it didn’t do anything.
Edit 2: I found out that I think the cause of my problem was that I didn’t have enough free disc space on the HDD that Vegas was configured to use for temporary files. I only had 2 Gb of free disc space on HDD and the project was estimated to be 3.3 Gb so the 3.3 Gb estimation was correct and only 2Gb out of 3.3 Gb was rendered and burned to disc because of not enough space on the HDD.
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I could be wrong, but it sounds like you are trying to make a DVD the hard way.
Use Vegas to encode the DVDA compliant MPEG and AC3 files (using the DVDA MPEG template, then the AC3 template), then use DVDA to add your menu and prepare the video_ts and audio_ts folders, then use DVDA to burn the DVD.
Steve Mann
MannMade Digital Video
http://www.mmdv.com -
[Dieter Moreno] “Or does manually naming .vob files not do anything for the DVD OS to understand the files and the DVD OS can only understand the files if a program has rendered them to DVD?”
The DVD OS doesn’t randomly read files. There is a structure that is spread across several meta data files that needs to all be in sync. You should not be editing the DVD structure. DVD Architect will build the proper structure for you.
[Dieter Moreno] “Edit 2: I found out that I think the cause of my problem was that I didn’t have enough free disc space on the HDD that Vegas was configured to use for temporary files. “
That’s great that you figured it out. If you are running HDD’s with only a few GB of free space you need to buy a larger hard drive. Video takes up a lot of room and can easily need twice the storage or more while it’s assembling a DVD or video.
~jr
http://www.johnrofrano.com
http://www.vasst.com
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