Re: [FFmpeg-devel] Supporting DirecTV captioning.

2017-09-25 Thread Joseph Van Riper
On Sat, Sep 23, 2017 at 5:44 PM Helmut K. C. Tessarek wrote: > On 2017-09-22 16:34, Joseph Van Riper wrote: > > I would prefer not to sprinkle changes throughout something > > if I can avoid it. > > Have you thought about a third party library then? > > This library can be maintained by the Direc

Re: [FFmpeg-devel] Supporting DirecTV captioning.

2017-09-23 Thread Helmut K. C. Tessarek
On 2017-09-22 16:34, Joseph Van Riper wrote: > I would prefer not to sprinkle changes throughout something > if I can avoid it. Have you thought about a third party library then? This library can be maintained by the DirecTV folks and you can work on the glue between ffmpeg and the lib. The libr

[FFmpeg-devel] Supporting DirecTV captioning.

2017-09-22 Thread Joseph Van Riper
On Thu, Sep 21, 2017 at 6:25 PM, Hendrik Leppkes wrote: >On Thu, Sep 21, 2017 at 11:54 PM, Joseph Van Riper > wrote: >> >> I would normally not want to request of an open source team a fast response >> to something like this, but I sense some urgency to resolving this issue >> for the folks who ha

Re: [FFmpeg-devel] Supporting DirecTV captioning.

2017-09-21 Thread Hendrik Leppkes
On Thu, Sep 21, 2017 at 11:54 PM, Joseph Van Riper wrote: > > I would normally not want to request of an open source team a fast response > to something like this, but I sense some urgency to resolving this issue > for the folks who have asked me to look into it. I will feel compelled to > move f

[FFmpeg-devel] Supporting DirecTV captioning.

2017-09-21 Thread Joseph Van Riper
I would like to provide a patch to ffmpeg that would help it support writing 608-style captions to DirecTV HD mp4 streams. The a53 sei header used by ff_alloc_a53_sei does not match the header required by DirecTV. I've written a function (ff_alloc_directv_sei) that will write the correct header, b