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View Full Version : is there a utility showing bitstream level aspect ratio?


jmnk
23rd July 2008, 21:56
is there a utility showing bitstream level aspect ratio for x264 encoded files (either in the raw format or withing mp4 container)?
I --think-- both mediainfo and avinaptic show only container level aspect ratio.
On a related note - if i encode to raw x264 with --sar=32:27, and than mux it into mp4 container (let's say using yamb) and specify aspect ratio flag 4:3, what would a player do? Is there a convention/standard that one aspect ratio info takes precedence over another? Is it undefined?

Guest
23rd July 2008, 22:17
DGAVCIndex does it. Look at the Info window.

jmnk
23rd July 2008, 22:23
Thanks for quick info. Yes indeed it would do. nice utility.
Now anything that would show bitstream level aspect ratio for x264 encoded and muxed into mp4? If I read it right DGAVCIndex does not support mp4 yet.
this is --really-- nice utility....

smok3
23rd July 2008, 23:03
mediainfo should be able to print out x264 Encoding settings, there could be SAR and then you can calc your DAR (i didn't try).

SeeMoreDigital
24th July 2008, 09:31
As far as I'm aware MP4box can be configured to provide the aspect ratio signalling values of MPEG-4 video streams...

YAMB 1.6 offered this function but YAMB 2.x does not!

Kurtnoise
24th July 2008, 10:29
YAMB 1.6 offered this function but YAMB 2.x does not!
you're wrong here...it does.

SeeMoreDigital
24th July 2008, 15:52
you're wrong here...it does.That's good to here... What settings do I need to configure to make it work?

Kurtnoise
25th July 2008, 18:10
when you load files to create mp4/3gp, just right click on the list to save info from MP4Box Template (MP4Box must be present in the settings of course)...

SeeMoreDigital
26th July 2008, 08:40
Many thanks Kurt... I totally missed this implementation :o