View Full Version : avs2avi --> avc2mkv?
Sirber
23rd August 2005, 13:02
Would adding mkv output be hard to avc2avi? Thanks!
dimzon
23rd August 2005, 14:16
latest x264 cli can produce mkv in addiction to mp4
akupenguin
23rd August 2005, 14:37
It's possible. But I would rather add raw H.264 input to mkvmerge. Same complexity, more useful.
Sirber
23rd August 2005, 15:13
latest x264 cli can produce mkv in addiction to mp4It can also fails on 23.976/24 FPS :)
It's possible. But I would rather add raw H.264 input to mkvmerge. Same complexity, more useful.Agreed.
bond
23rd August 2005, 15:51
vfw mode in mkv should be avoided for avc as the mkv devs say too
It can also fails on 23.976/24 FPS :)shouldnt happen with sharktooths patch, at least thats what he hopes :D
buzzqw
23rd August 2005, 15:56
akupenguin
It's possible. But I would rather add raw H.264 input to mkvmerge. Same complexity, more useful.
yes, yes,yes... i like too. But with mkvtool 1.5.5 seem this way is "forbidden"...
BHH
P.S. i will post a link to this post into mkvtool release thread
bond
23rd August 2005, 15:57
yes, yes,yes... i like too. But with mkvtool 1.5.5 seem this way is "forbidden"...why should it be forbidden?
Sirber
23rd August 2005, 16:03
vfw mode in mkv should be avoided for avc as the mkv devs say too
shouldnt happen with sharktooths patch, at least thats what he hopes :DCurrently I use avc2avi to avoid MP4/MKV bugs, but I'd like more to have a stable MKV output solution.
Mosu
23rd August 2005, 16:33
why should it be forbidden?
Not forbidden, but we strongly discourage the use of AVC in VfW mode in Matroska. Why? Because it's not the official way, because we might chose not to support it, we might not fix bugs etc etc.
Mosu
23rd August 2005, 16:35
It's possible. But I would rather add raw H.264 input to mkvmerge. Same complexity, more useful.
It is on my radar. Until a few days ago I always thought that GPAC ( = mp4box) was licensed under the Mozilla Public License which is incompatible with the GPL, but it looks like it's either GPL or LGPL which both are fine. This makes it way easier (if not even possible at all) for me to implement that.
foxyshadis
24th August 2005, 02:10
It is on my radar. Until a few days ago I always thought that GPAC ( = mp4box) was licensed under the Mozilla Public License which is incompatible with the GPL, but it looks like it's either GPL or LGPL which both are fine. This makes it way easier (if not even possible at all) for me to implement that.
If you do this, can you add a shortcut so that adding a vfw-hacked mpeg4 (asp or avc) mkv file will automatically call mkvextract -raw on the video and remux normally? Cooler still if it's integrated so there's no extra disk use.
I wouldn't expect you to support extracting it from avi/ogm, but it'd be a nice bonus if it isn't a major difficulty.
Sirber
24th August 2005, 02:46
It is on my radar. Until a few days ago I always thought that GPAC ( = mp4box) was licensed under the Mozilla Public License which is incompatible with the GPL, but it looks like it's either GPL or LGPL which both are fine. This makes it way easier (if not even possible at all) for me to implement that.Sweeeeeet! Keep me posted! :D
Mosu
24th August 2005, 07:22
If you do this, can you add a shortcut so that adding a vfw-hacked mpeg4 (asp or avc) mkv file will automatically call mkvextract -raw on the video and remux normally? Cooler still if it's integrated so there's no extra disk use.
Is VfW-hacked AVC in AVI really the same as an AVC elementary stream? I guess not. However, if it IS then adding support for AVC-from-AVI should not be too hard.
BTW: AVC-in-MKV is not an AVC elementary stream. Therefore extraction with --raw wil not work (extraction will work, but you won't be able to use the resulting stream). mkvextract extracts to AVC elementary streams (those are different than the AVC stored in MKV or MP4).
stephanV
24th August 2005, 08:58
I think if you strip the container data from AVC-in-AVI, what you have left is an elementary stream. There is this utility AVI2RAW, that seems to do nothing more than that when dumping AVC data from AVI. The only thing that would be a little bit odd is a few empty video chunks at the beginning of the AVI (which can be ignored of course).
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