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DIVX to avi conversion
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carrotap
Newbie
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2. October 2003 @ 11:10 |
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I have a movie file in the format:
abc.divx
I want to convert this into an avi file with a different encoding, Xvid really. Are there any programs, like Virtuadub or Flask, that can open and read the abc.divx file and do direct conversion to another codec?
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Praetor
Moderator
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3. October 2003 @ 14:18 |
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powerdup
Senior Member
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3. October 2003 @ 19:27 |
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Is the extension really *.divx?
Can you play this file?
Have you tried renaming it as an AVI?
Life is but a dream...so wake me up already!!!
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Praetor
Moderator
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4. October 2003 @ 19:02 |
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*.DIVX is a DivX player specific extension and can be freely renamed to *.AVI
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R.A.G.S
Member
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9. October 2003 @ 04:11 |
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Hey I can use WINMpeg to convert divx to AVI but on some of the movies I lose sound. Is there anything else or better that I can use to convert divx to AVI.
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Powa
Member
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9. October 2003 @ 16:42 |
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I thought a divx file was an AVI? By the way re-encoding a divx file to xvid you will just lose quality.
->E§F<-
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powerdup
Senior Member
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9. October 2003 @ 18:31 |
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Yeah it is, its just that I guess some people rename their .AVI files to .divx files. if you look at the movie types the divx player can open youll see the .divx extension.
R.A.G.S:
You already had an AVI and re-encoding it to an AVI again just gives you a file with lower quality so just delete than and use the original. And if the original has an .divx extension, you can just easily rename it to AVI.
Never had the chance to use WinMPG so I cant help you with that, sorry.
Life is but a dream...so wake me up already!!!
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R.A.G.S
Member
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10. October 2003 @ 04:22 |
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Its true that divx files can be renamed to AVI but they are not true AVI files. for example if you play a divx file which has been renamed to AVI in standerd windows media player it wont play unless you get the divx codec for the media player. A true AVI file is recognised by windows media player or any other AVI player.
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Praetor
Moderator
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10. October 2003 @ 12:20 |
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Quote:
Its true that divx files can be renamed to AVI but they are not true AVI files. for example if you play a divx file which has been renamed to AVI in standerd windows media player it wont play unless you get the divx codec for the media player. A true AVI file is recognised by windows media player or any other AVI player.
That is where you are wrong. AVI (audio-video interleave) is just that... a bunch of frames and sounds meshed together.... how they are put together is inconsequential as it is a matter of abstraction. DivX is one way, and there are zillions of different compression schemas.
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powerdup
Senior Member
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10. October 2003 @ 14:56 |
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Well, avis are files that have been compresssed within the mpeg-4 stream format; and to actually do this process, you need an mpeg-4 codec such as divx or xvid. And you need that same codec or something equivalent (hint: FFdshow :-)), to decompress the file's content.
So Im not really sure what you mean by "true" avi.
Life is but a dream...so wake me up already!!!
This message has been edited since posting. Last time this message was edited on 10. October 2003 @ 15:06
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Praetor
Moderator
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11. October 2003 @ 10:37 |
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Quote:
Well, avis are files that have been compresssed within the mpeg-4 stream format
Not even. For a file to be AVI it is not required to be compressed to conform to MPEG4.... recall backsay 7 years ago when there was no MPEG4.... there were still AVI files too. Mostly compressed with Indeo, Cinepack and Microsoft codecs but a large portion ot all AVI files then had no compression.
Also, goto VDub, Video --> COmpression and note that there is the option to save as Uncompressed RGB. You can still doa File --> Save as AVI and still play it :-)
Of course in a modern day context you are correct :-)
This message has been edited since posting. Last time this message was edited on 11. October 2003 @ 10:38
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Coolmott
Newbie
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20. November 2003 @ 12:01 |
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I have run into the same issue. It seems to me that .divx files have the same copy protections as, say, a .asf or .wmv (Microsoft streaming files) would have.
I believe the .divx format is the format used for license management by the DivX player. I ,too, tried to download and "Edit" a .divx file, and I got the "un-recognized" file format errors. (using Ulead VideoStudio 7.0) I was testing a theory, because if I was able to open the files, I would be able to transcode them to any number of other MPEG formats (1, 2 or 4, including a DivX AVI) using VideoStudio.
.divx, and asf, wmv, for that matter, is the software industries answer to the secure copyrighted media problem. If you open a .divx, the DivX player can be instructed to connect to a secure site for password and license verification. Same is true with a wmv file, where WM9 will downloaded a license (often date, time restricted). I'm seeing some of the better VoD sites use these file formats.
I am sure the .divx format has an MPEG4 encoded video file in it, but it may be encrypted, and I'm sure that the header will provide details on where license info and decryptions keys can be found. The trick is to defeat these protections, and get a clean MPEG4 video feed into an AVI format. (AVI is just the Microsoft format for any codec combination of audio/video, the header contains info on the decoder to use. In this case, the decoder would DivX based upon the MPEG4 specification.)
I will say this, an encrypted video file would be HUGE and defeat the lower bandwidth purpose of the MPEG4 compression. I would be willing to bet that a .divx file IS NOT ENCRYPTED, and that you just need a program to ignore the header and grab the MPEG4 stream.
You guys know any crackers with good kung-fu?
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Praetor
Moderator
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20. November 2003 @ 14:43 |
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Whoa... stop. A few corrections.
1. THERE IS NO SUCH THING AS A "NORMAL" AVI. ALL AVI FILES ARE AVIs. PERIOD.
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If you open a .divx, the DivX player can be instructed to connect to a secure site for password and license verification.
And what of people without internet? Or something mundane as disconnecting a cable or activating a firewall? -- YES they can still play the movies.
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I believe the .divx format is the format used for license management by the DivX player.
Although it is possible I will go out on a limb and say all across the board that DivX is NOT such a format.
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I would be able to transcode them to any number of other MPEG formats (1, 2 or 4, including a DivX AVI)
MPEG4, despite the name is not MPEG whatsoever... MPEG4 refers specifically to the DivX/XviD (and others, but they aren't so common) encoded AVI files. MPEG1 and MPEG2 files have extensions ending with DAT , MPG or MPEG
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The trick is to defeat these protections, and get a clean MPEG4 video feed into an AVI format. (AVI is just the Microsoft format for any codec combination of audio/video, the header contains info on the decoder to use. In this case, the decoder would DivX based upon the MPEG4 specification.)
WHOA . AVI, or audio-video interleave is just that - AUDIO and VIDEO being INTERLEAVED together. I trust I dont need to repeat myself and point out that MPEG4 encoded files are AVI and have the .AVI extension on them. Also, if AVI was Microsoft thing, wouldnt you think the Linux people would have to pay licensing fees up the wazoo? Also, are AVI files that use no codec whatsoever also AVI files by that definition?
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asf
This file format is not encrypted in any way. It's just that Microsoft has locked down the patent for opening ASF files. Of course this does not apply to programs made before the patent was secured. I.e., VirtualDub 1.3c
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I will say this, an encrypted video file would be HUGE and defeat the lower bandwidth purpose of the MPEG4 compression
From what you have said, the encryption is in the header... header's are small.
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I would be willing to bet that a .divx file IS NOT ENCRYPTED, and that you just need a program to ignore the header and grab the MPEG4 stream.
The rest of your posts says divx is encrypted/protected. Also, the computer wouldnt know how to interpret the file if it didnt have a header.
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license management by the DivX player
Note that the DivX player is an optional install. You do not need it and the videos wills till play/encode without it. This means that it plays no part whatsoever in the ability for people to playback movies. Have you tried plain old WMP? :P
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8r8ene
Newbie
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29. December 2003 @ 06:44 |
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i have same problem from one video (gamelink.com)
there is a solution for conversion .divx to .AVI?
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Praetor
Moderator
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2. January 2004 @ 20:40 |
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This is how you convert .DIVX to .AVI:
1. Select the file.
2. Press F2
3. Change the DIVX at the end to AVI.
DIVX files are just AVIs that have been compressed using the divx codec.
This message has been edited since posting. Last time this message was edited on 3. January 2004 @ 08:29
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BeyndMyst
Newbie
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4. January 2004 @ 06:45 |
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perhaps i can put in my $0.02 here, since i also have just purchased a divx rental from gamelink.
the file downloaded from the site has drm protection and is encrypted. i have read elsewhere that apparently every time the file is to be played the divx player contacts gamelink and verifies that the rental has not expired, and will decrypt the file for display if all is well.
i am somewhat surprised that seemingly no one has worked out a crack for this divx drm protection. maybe unlike dvds the market for encrypted divx or wmv files is not yet that big, so crackers do not find it justified yet to devote their time for this area.
so meanwhile i will just have to keep using camtasia studio to screen capture the clip from the screen while it's playing.
gamelink seems to have knowledgeable technical people working for them since their streaming vod files also cannot be captured by net transport or streambox vcr.
just my $0.02.
BeyondMyst
Myst-ic thru life, myst-ic always.
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BeyndMyst
Newbie
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4. January 2004 @ 08:34 |
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good news. just discovered wmrecorder.com can capture the vod streams from gamelink, so at least now i can save the streaming wmvs. just make sure you use the url mode in the program otherwise it may lose frames and the video will get stuck.
BeyondMyst
Myst-ic thru life, myst-ic always.
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8r8ene
Newbie
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4. January 2004 @ 10:46 |
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BeyndMyst i have camtasia studio but the divx is already expired.
I have over 500Mb not playable.
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gmmathers
Newbie
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6. January 2004 @ 15:08 |
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praetor -
my files are divx. I can play them in my special dvd player that supports divx. my friend's dvd player does not. How can i change the divx(mpeg4) to SVCD(mpeg2) so that i can play them in his dvd player. I dont think just changing the extention will do this...but what will?
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Praetor
Moderator
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7. January 2004 @ 21:54 |
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carrotap
Newbie
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8. January 2004 @ 04:12 |
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Thanks for the replies.
The divx in question was one that was a rental downloaded from the Internet.
The re-naming of the divx extenion to AVI did not work. I think it's got drm on the file, it also appears to be tied to the specific computer and divx player used.
I may give the screen capture a go in future.
:)
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rwjacobs
Newbie
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28. February 2004 @ 20:15 |
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I too have downloaded a Rented .divx file from gamelink. I have tried to use Camtasia Studio to screen capture the clip from the screen while it's playing. According to Tech Support at Camtasia, you can't capture files from the DivX Player because Hardware acceleration can't be turned off in that player. If you turn off hardware acceleration thru the Display Properties, settings, advanced tab, file won't play either, saying there is a DirectX error. I have tried 10 different Screen Capture programs with no luck as they all require the Hardware Acceleration feature be turned off for screen capture to succeed. Unfortunately, Rental .divx files can't be played on any other player other than The DivX Player as you need a user name and password. If the member [BeyndMyst] can get Camtasia to screen capture these rental .divx files, I'd like to know how. I have tried everything I know of with no luck.. I have about 15 days left before my Rental file goes POOF. Any help would be appreciated...Thanks
This message has been edited since posting. Last time this message was edited on 28. February 2004 @ 20:18
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BeyndMyst
Newbie
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29. February 2004 @ 07:38 |
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yes, indeed i have also found that the divx player needs directx and cannot be screen captured by camtasia. until an util such as fraps becomes more reliable i see no immediate good solution.
however, i have found that downloadable wimp movies from places such as kindra can be captured by camtasia, since the wimp player can be run on 1/2 hw accel mode.
having said all that, i have come to realize that i don't really ever watch those movies a second time, so now i simply pay the rental and be done with it. 30 days is way more than enough to watch any pr0n flick.
hth
Myst-ic thru life, myst-ic always.
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