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Register I forgot my password I forgot my username Resend the activation key demux a .mp4 to elementary streams Forum Index -> Video -> Advanced Video Conversion Printer-friendly version

Author Message

halsboss Member Joined: 13 Jan 2004 Location: Australia

Posted: Feb 26, 2008 01:11

Hi, any suggestions how to demux an .MP4 file into elementary streams, so that I can then process the elementary video stream

using DGAVCDec and AVIsynth ? WinXP-SP2 PC. Tried YAMB which spent a long long time and yields a file with a strange extension like .cmp which I can't play with MPC. Tried to run

AVIDEMUX which caused TREND 2008 antivirus to say "no" with a "attempted library injection" type popup. So, advice on an appropriate .mp4 demuxer tool (and example commandline if applicable) would be much appreciated.

(Oh, just for reference, http://forum.doom9.org/showthread.php?t=122923 hasn't answered it usefully for me as yet).

Soopafresh Craptastic

Joined: 01 Jan 2004 Location: United States

Posted: Feb 26, 2008 01:57

demux a .mp4 to elementary streams - Forum - VideoHelp.com

http://forum.videohelp.com/topic346811.html (1 of 7)10/18/2009 11:09:33 PM

demux a .mp4 to elementary streams - Forum - VideoHelp.com

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You can't play a raw avc h264 file (to the best of my knowledge). It has to be in a container, hence apps like AVC2AVI. Once you've

demuxed it, you can open it up in DGAVCindex, as long as it is h264 and not XVID Use Gspot to determine what's inside the MP4 Good

Not Good

http://forum.videohelp.com/topic346811.html (2 of 7)10/18/2009 11:09:33 PM

demux a .mp4 to elementary streams - Forum - VideoHelp.com

Use 1.6 of YAMB

http://kurtnoise.free.fr/Yamb/Yamb-1.6.0.zip A recent MP4box.exe to place in the unzipped Yamb folder http://kurtnoise.free.fr/mp4tools/MP4Box-0.4.5-dev.zip

http://forum.videohelp.com/topic346811.html (3 of 7)10/18/2009 11:09:33 PM

demux a .mp4 to elementary streams - Forum - VideoHelp.com

Load the raw h264 in DGAVCindex

http://forum.videohelp.com/topic346811.html (4 of 7)10/18/2009 11:09:33 PM

demux a .mp4 to elementary streams - Forum - VideoHelp.com

Works! And that should do it. The rest is in the DGAVCdec documentation

http://forum.videohelp.com/topic346811.html (5 of 7)10/18/2009 11:09:33 PM

demux a .mp4 to elementary streams - Forum - VideoHelp.com

halsboss Member Joined: 13 Jan 2004 Location: Australia

Posted: Feb 26, 2008 03:26

Profuse thanks. The mp4box download wouldn't work for me, for some reason. Downloaded http://kurtnoise.free.fr/mp4tools/

MP4Box-0.4.5-dev_20080201_msvc6.zip instead and that at least started up... then encountered error:

Quote:

[19:48:18] : YAMB 1.6.0 started ! [19:48:18] : OS type detection... [19:48:18] : Windows XP Professional (version 5.1, Build 2600 : Service Pack 2) [19:48:18] : Checking MP4Box location...MP4Box found. [19:48:18] : Checking MediaInfo.dll...0.7.1.2 found. [19:50:54] : Extracting started... [19:50:54] : Exporting & Converting stream... [19:51:32] : Exporting failed.

When opening, the .mp4 file, this was the video info

Quote:

Track # 1 Info - TrackID 1 - TimeScale 30000 - Duration 02:15:39.698 Media Info: Language "Undetermined" - Type "vide:avc1" - 243947 samples MPEG-4 Config: Visual Stream - ObjectTypeIndication 0x21 AVC/H264 Video - Visual Size 576 x 384 - Profile High @ Level 5.1 NAL Unit length bits: 32 Pixel Aspect Ratio 1:1 - Indicated track size 576 x 384 Self-synchronized

Downloaded YAMB 2.0.0.8 and tried that with this mp4box too, and the combo worked fine. Beats me, but am very happy. Thankyou.

wulf109 Member

Joined: 02 Jul 2002 Location: United States

Posted: Feb 26, 2008 08:52

MP4UI

All times are GMT - 6 Hours

http://forum.videohelp.com/topic346811.html (6 of 7)10/18/2009 11:09:33 PM

demux a .mp4 to elementary streams - Forum - VideoHelp.com

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