[Libav-user] Add MPEG-2 user data or H.264 SEI metadata while remuxing

[Deepika R]

Hi,

I am looking for this too. Any leads?

Regards,
Deepika

On Wed, Apr 4, 2012 at 5:23 AM, jettoblack <jettoblack at gmail.com> wrote:

> Hello,
> I'm imagining a program that will accept an incoming MPEG-2 transport
> stream, demux, add some metadata to the video packets, then remux and
> write/stream back out.  There will be no decompression or recompression of
> the a/v codec data.
>
> For MPEG-2 video, the data would be added as MPEG-2 user data packets
> (appended to each video frame, in frame encoded order).  H.264 in MPEG-2 TS
> would use SEI RBSP packets.  Audio or other packets would be passed through
> to the remuxed stream without any changes.
>
> I can generate the bytes for the actual metadata content, but I'm not sure
> how to get this appended within a user data packet or SEI packet to the
> video frames while remuxing.
>
> Does anyone have some ideas, example code or maybe some pointers on where
> to
> look to get started?  Thanks!
>
>
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