[Ffmpeg-devel] Re: [PATCH] x264 avc encoding, movenc avcC, ctts
Wed Feb 22 18:48:51 CET 2006
Baptiste COUDURIER schrieb:
> Michael Niedermayer wrote:
>> yes, and patch looks ok, can be applied assuming regression tests and
>> such still work as well as before ...
> Here is an updated patch. Setting pts correctly for video and audio
> track. Regression tests are ok.
> Also an updated patch for ftyp. Since we do not create an "iods" atom
> and BIFS, OD tracks we cannot use "mp42" brand but still we can use
> "mp41" brand which does not require "iods" atom. It is still better than
Where did you get the info with "mp41" an OD is not needed to call the
file mp4 file version 1.
As far as I know is there no difference to "mp42". An IOD isn't
mandatory but if you have a Presentation it is needed, like with the
ctts box/atom and B-frames.
But it is your choice. There are enough files with ftyp "mp42" without
IOD/BIFS and OD around. It dosen't matter if there will some more of
Like bond said nobody cares.
More information about the ffmpeg-devel