Android: Build 1.11.0 validation of MP4 file

[Sebastian Dröge]

On Mon, 2016-11-14 at 23:41 -0800, Chikkamath wrote:
> Hello Sebastian,
> My Android Application will perform MP4->MP4 transcoding on Android devices
> support 4.3 to 6.0. Transcoded file using mp4mux plug-in playback properly
> on Android Devices, issue is not about playback, it's maintaining original
> video orientation, to maintain user's video orientation we copy orientation
> matrix from user's captured video before transcoding and after completion of
> transcoding we insert the copied orientation matrix to transcoded MP4 file
> at right atom say /moov/trak/tkhd. This is working fine till my previous
> cerbero build 1.7 however with latest build 1.11.0 (master branch) looks
> like transcoded MP4 file not following valid MP4 container structure due to
> this I'm not able to copy the orientation matrix.Here valid MP4 container
> structure means, transcoded file suppose to parsable as per ISO Base File
> Format (ISO/IEC 14496-12) and various (ISO/IEC 14496-12) parsing tools
> available for example CodecVisa, isoviewer,MP4reader.

How does it not conform to the MP4 spec anymore, what's wrong in them?
Please give some more details about what exactly is preventing you
inside the file to add the orientation matrix as before.

-- 
Sebastian Dröge, Centricular Ltd · http://www.centricular.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 963 bytes
Desc: This is a digitally signed message part
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20161115/b1538c48/attachment.sig>