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Pegasys Products BBS [ Sorted by thread creation date ]
What do you mean by crop, do you mean change the frame size?the only way I know how to is to re-encode your mpeg file to the frame size you want,or you can use "dvd2avi" it has a cropping feature that you can use to make a project file with the new frame size and then you can encode the "d2v" project file in tmpgenc and have the ouput image be the new frame size.But the first sugestion would be faster......
It's impossible to crop an MPEG or any other video file for that matter without re-encoding. Cropping means you are changing the physical characteristics of the file and therefore would need to to re-encode.
I have answered this question in your other post. I don't understand what you are trying to achieve when you say you want to produce an MPEG without black bars without re-encoding.
If all you want to do is convert your VOBs directly to an MPEG2 file without changing it in anyway then check your other post as I have posted a link to VSTRIP which will allow you to do exactly that.
So was this the message you mentioned that was deleted?
Anyway, it is not a VOB that I am trying to play with. It is an MPEG which I have and want to reduce it's size.
I have realised that it was stupid to think it can be done without re-encoding it. So how can I be sure that it is re-encoding using similar settings so as to not reduce it's video quality?
I am using AVI2MPG2/bbMPEG to crop the MPEG file I have, hopefully I can find a way to stop it form crashing (need to play around with cos it worked for a small test file I used, but crashed on the main file).
I'd just like to thank both of you guys (Minion and Ashy) for between you replying to all of my posts.
Well the simple solution is to use TMPG for cropping. TMPG contains all the tools you'll ever need to create high quality MPEGs, you just need to look for them.
BBMPEG won't give you as high a quality encode as TMPG so I'd forget all about using BBMPEG for encoding and cropping.
Open TMPG and click the 'setting' button on the right then under the 'advanced' tab tick 'clip frame' then double click it. Here you will find options to to crop and resize your MPEG.
After cropping you will have to re-encode. If you wan't to keep the quality of the file you need to examine the original file to find out it's details so you can encode to MPEG2 using the same resolution and a reasonable bitrate to keep the quality.
Is there a way to convert files, while retaining the accurate aspect ratio of the movie? I did look in the preferences of this software, but did not see anything I could change to make it happen. If any one knows of the way to accomplish this, please post.
Is there a way to convert files, while retaining the accurate aspect ratio of the movie? I did look in the preferences of this software, but did not see anything I could change to make it happen. If any one knows of the way to accomplish this, please post.
It depends on the source and the output you wish to view on.
What is your source aspect ratio and what do you intend to view the result on, a 4:3 TV or 16:9 TV
Usually if your source is 16:9 and you intended output is 4:3 TV then you would simply choose 16:9 as your input souce aspect ratio and choose 'Full screen(keep aspect ratio)' as the arrange method and choose 4:3 as the output.
Yep, happens to me all the time and is flaming annoying.
Especially as some of them are quite long replies.
I don't know why it happens because my posts don't contain links to illegal softare or anything offensive, so if it's the moderator or whoever is supposed to run this BBS, I wish they would just leave it out.
I have a problem with TMPGEnc v2.54a and was wondering if anyone had experienced the same or come up with a solution?
I have a large MPEG2 file that I am converting to a VCD (MPEG1). If I convert the whole file then everything is fine. The problem occurs if I choose a source range. If I set up a source range to run from the middle of the movie until the end then the resulting MPEG1 file appears to be frozen on the first frame with no sound for about 8 seconds. Then the sound and video carry on as usual. The video and sound is in sync and everything OK, except that I appear to lose 8 seconds of the movie at the beginning of this MPEG part!
If I convert the whole MPEG2 to MPEG1 and then use the split option within the MPEG Tools then this works OK (however of course it is an extra step that takes time and additional hard drive space).
Has anyone else encountered this problem with source ranges? Anyone have a solution?
On the occations that I use "tmpgenc" for encodeing i use the source range feature..And the only problem I have ever had was once in a while I would get a sync problem but usualy it works great..Is the problem with that one file or every file cuz maybe it has to do with certain files..
I downloaded an AVI file which plays good on my PC. When I try to convert to mpeg so I can do a video CD. The MPEG file sound is fine but no picture. on the mpeg file. What am I doing wrong?
It's not possible to clip black borders out of a video stream using direct stream copy.
Direct stream copy means that the stream isn't physically changed in any way.
To crop the black bars out of a video stream you would be changing the stream physically and can only be accomplished by re-encoding.
Neither can Virtualdub accomplish this. It would have to be set at Full processing mode to do what you ask.
If what you are trying to say is you wish to convert the VOBs to MPEG2 directly without changing anything in the video stream then there are a few programs which can accomplish this.
Probably the best is VSTRIP.
VSTRIP can convert all the VOBs to a single MPEG2 file and extract the ac3 if you wish.
I have the following problem: I ripped a DVD with three short videoclips using CLADDVD. Next I use DVD2AVI 1.86 to create the d2v file and the audiofile which in this instance is an mpa file with name NN delay -80ms.mpa
Next I encode using TMPGENC 2.54a to create the mpg file.To make TMPGENC recognise teh audiofile I choose allfiletypes and then the mpa file.
The result videowise is OK but the audio is shorter than the video and from the beginning you hear at the same short interval like a veryshort part of the audio is missing.What can be the reason?
Should I convert the mpa to a wav file?
I will try this tonight.
You should have ripped to a wav file not an mpa file.
DVD2AVI is one hell of a frameserver and is the best tool there is for the job, but it's audio capabilities aren't too good as far as sync goes.
Also I would use smartripper to rip your movies as this will automatically create the d2v file for you which means you only need to rip the audio.
The fastest and most reliable program I have found for this is VOB2AUDIO.
Rip the audio again with VOB2AUDIO as you will still probably have sync problems when you convert the mpa to a wav.
Once you have ripped the audio to a wav with VOB2AUDIO put that into TMPG on it's own and choose 'Audio only' as the stream type in TMPG then multiplex the resulting mp2 with your already encoded movie.
One other hint, there is a program called MPEGDJencoder which can convert wavs to mp2 audio about 5x faster than TMPG.
I tried smartripper but after starting the program searches the key a couple of times, then I get a msg Quit ripper?.When I push yes the program is ripping anyway, so it seems. As I did not trust this behaviour I tried CLADDVD XP which works without any msg.
Anyway your suggestion of ripping the audio with V2OB was worse.
So I used smartripper/CLADDVD and then used BESWEET to convert MPA to WAV.
After that I use as usual TMPGENC.
Now all seems to be OK.I got rid of the audio hitches.
Strange how you got that message with smartripper. Smartripper is well known as the best ripper out there. It could be you either need to update your ASPI layer to Adaptecs ASPI 4.6 or you have installed the latest ASPI layer 4.7 from Adaptec which doesn't work with smartripper.
Ihave ripped 100's of DVD's with this program flawlessly.
Also I have never had a problem with VOB2AUDIO and is usually spot on as far as sync problems are concerned.
Anyway looks like you got it sorted, but it still leaves me confused as to how you corrected the problem by converting the original mpa to a wav as the wav should have turned out exactly the same as the mpa. Strange.
My understanding is that for PAL I need a GOP size of 12 and so I use the structure: IBBPBBPBBPBB. For multi angle video I need to use a closed GOP but when I select this option the structure is modified to IBBPBBPBBP (the last two b frames removed) this is now not a valid GOP size I believe?
Can someone tell me what the correct GOP parameters are for creating MPEG 2 for DVD with closed GOPS.
Gop sizes for PAL can be anything up to 15 pictures per GOP or 18 for NTSC. 12 is just a typical GOP size for PAL as used in transmission.
You will notice however most PAL DVD's have a GOP structure of 15 pictures and most use the standard IBBPBBPBBPBBPBB.
To edit a GOP correctly it needs to cut at a sequence header for example the cut would have to made at the last (P) frame before the next (I) frame as (B) frames require information from then next (I) or (P) frames to be constructed wheras (P) frames only require information from the previous and present frames.
If the cut was made at a (B) frame then the full GOP wouldn't be constucted as the last (B) frame doesn't contain the required information it needed from the next (I)or (p) frame which has been cut away and would therefore cause an error when being decoded.
For example a closed GOP should look something like this IBBPBBPBBPBBP.
If it was IBBPBBPBBPBBPBB < and the cut was made here the last two (B) frames wouldn't be constructed properly because they need the information from the previous frames and the next (I) or (p) frame from the next GOP sequence which you have cut away which would have been > IBBPBBPBBPBBPBB.
Basically what I am saying is you can't cut at a (B) frame. You can cut only before the next (I) frame this is why your GOP is having the last (B) frames removed.
Don't worry your GOP will still be within the DVD specs, but my advice would be to use the standard GOP IBBPBBPBBPBBP for closed GOP editing and make sure all your multi angle clips have the same sequence.
I'll use 1/4/2 for the I/P/B settings in the GOP structure option. Sequence header every 1 GOP and the closed GOP option selected. This gives 13 frames in the GOP and ends in a P frame.
This isn"t really the right forum for an "asf to avi" question but i will tell you how to get arround it,the sound probabbly is missing because the audio format is probabbly unsupported , what you have to do is extract the audio from your asf file, get "db power amp" it is a audio encoder that can extract audio from video files and much more ,but use this to extract the audio and convert it to wav format, and I suppose you are going to encode you asf/avi to mpeg? load your avi file in "tmpgenc" then load the extracted audio file in"tmpgenc" for the audio source..this should work....
Is it absolutely necessary to convert your ASF files to AVI?
TMPG should open these files without converting, as ASF files are already really AVI's which just have the ASF wrapper which is Microsofts proprietry AVI format.
Your audio problem is may be due to an unusual audio format in the ASF, but ASF files usually have wma audio.
You can extract the audio with Virtualdub to a WAV and use that as your audio source instead.
Or if you are just converting from ASF to true AVI then just use Virtualdub and use the direct stream copy option for your Video and Audio to create an AVI without the ASF wrapper.
I am creating a full quality AVI file from my Panasonic DV camcorder using
studio Dv version 7. The quality of this when played on the computer is fine,
but as soon as I try to create an mpeg-1 file for creating a VCD the image
becomes very 'blocky' and the quality is no where as good as I would expect
from VCD. Can anyone suggest the settings I need in TMPGEnc to overcome these
problems. I currently just use the default settings for a VCD?
I don"t know what you mean by the quality you expect from vcd.Generally standard vcd is lower quality than vhs video tape and 1/5 to 1/10th the quality of dvd..but you are in luck because the quality is directly related to the bitrate, so you can do one of two things, do super-vcd or raise the bitrate of your vcd ,if you raise the bitrate of your vcd to about 1650kbs you will get about 60 minutes of video per cd, with much better quality than the standard template..and with super-vcd you will get about 40 minutes on a cd useing the standard svcd template...but beware cuz not all players will play non standard vcd"s but most will.......
ps:To raise the bitrate you will need to load the "unlock.mfc" template...
Thanks, for the reply, I will try increasing the bit-rate to improve the quality. Is the 'unlock.mfc' available as part of the standard package or
something I will need to download it?
Ideally, I would like to create SVCD's to get better quality but I don't believe my DVD player LG-3350E doesn't support them (only VCD's). Any recommendations on a decent DVD player that will play SVCD's?
I just recently made two VCDs myself from an .avi source, though the ORIGINAL source material was Video8 (VHS quality) played through a Digital8 camcorder w/DV output. The first VCD I made using Pinnacle Express, and it was blurry such that it is difficult to watch. Since I had just discovered TMPGEnc, I decided to give IT a try, to compare the result, and the VCD I made using TMPGEnc (standard settings using the wizard) were radically better than PE, and very "watchable" though they still of course look like the home movies that they are.So "TMPGEnc is better than PE for making VCDs".
The other observation I made in this test was that my Sony DVD player did a much better job of decoding the VCD than did my other player, a Panasonic PalmTheater. The VCD was quite blocky on the Pana, despite that it has a tiny screen (LCD, what, 4 inches?) and the Sony was playing into a 41" rear projection set. The Pana PalmTheater must therefore have a weak MPEG1 decoder? Or the conversion to the LCD has problems?
TMPGEnc does a nice job w/VCDs so you should either use the Wizard, or look elsewhere in your system for the source of your blockiness.
I had the same problem when I started some time ago. I have a DVD player (Philips DV710) who can play CD/CDRW/VCD's. After using TMPGEncoder I now create XVCD's, this means higher bitrate and/or aspect ratio.
You have to set the output option to MPEG1-VCD(non standard) and convert with highest quality (obvious), CBR. Burn with Nero or Ulead software. This should work (even with background music and menues).
You can even raise the bitrate up to 2520 kbps.
Quality should improve a lot.
The unlock.mfc can be loaded by clicking the tab "load" (right corner below).
About SVCD's :
my player couldn't play SVCD's (according to Philips spec). After remote hack now even plays XSVCD's.
Check VCDHelp.com under tab Others/DVD players/Compatibility-list for players and locate your own player to check out what is possible.
When I was converting Zoolander from avi (divx) to supervideo cd, an error message appears saying "Illegal floating decimal point calculation order". Now, what can I do?
I bet you downloaded the avi file of the net like "kaaza" or "grokster" or something like that...Downloaded avi files are notorius for being full of corrupted frames,and that is what your problem is,you file has corrupted sectors in it,and the only way to get around this error is to turn off your "cpu" optimizations.. to do this you first go to"enviromental settings" then to the "cpu" tab and uncheck the "SSE" box, then you go to "settings" then to "quantize matrix" and un-check the "use floating point DCT" this should solve your problem,accept you can get this error if you do anything with your computer while encodeing, so if you are encodeing don"t do anything with your computer till the encodeing is finished......