[FFmpeg-devel] MpegTS contribution question

[Phil Burr]

Hello Anthony,

I'm not really the best to answer your questions, as I'm also a fairly new
contributor (my patches seem to be languishing due to a lack of feedback
and a lack of time on my part pushing the issue).  I've been working on
getting support into mpegts for ATSC compliant descriptors of which EIT
tables are a glaring omission in large part due to the amount of work
needed to support them.  So to say the least, I'm excited about your
patches!  I'll take a look at your patches but one thing I would like to
know if you've considered, is whether or not your code supports modifying
the EIT tables, ie updating tables_version when the tables are modified?

Thanks,
Phil

On Thu, Aug 8, 2019 at 4:13 AM Anthony Delannoy <anthony.2lannoy at gmail.com>
wrote:

> Hi,
>
> I'm currently doing my first contribution to ffmpeg by adding EPG support
> in the mpegts format.
> For now, i succeeded to add support for EIT table and majority of its
> descriptors and can read/export EPG
> events in a .csv file.
> But I don't know on how to organize it now. Do I make a new codec for epg
> and a data stream? Do I keep those
> information « hidden » and present them only in metadatas plus functions
> api to export them?
>
> For those who wants to see where I am at:
> https://github.com/spnngl/FFmpeg/tree/epg2
>
> Some remarks:
>   * For now I use linked list to store EPG events but I may change for
> something simpler.
>   * I made separate descriptors code to be able to use it on others tables
> later. I want to add NIT table
>   support and maybe others if i succeed to finish EPG.
>   * EPG/descriptors files are all in libavformat for now, they need to be
> moved
>
> Thanks
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