On Wed, Apr 25, 2018 at 4:25 PM Devin Heitmueller <
dheitmuel...@kernellabs.com> wrote:
> Hi John,
>
> On Wed, Apr 25, 2018 at 5:11 PM, John P Poet wrote:
> > I am working on a project where I need to insert a repeating image (10
> > seconds) in the middle o
Hi all,
I am working on a project where I need to insert a repeating image (10
seconds) in the middle of a video stream while also transcoding from one
video codec to another. The images are going to be either png or jpg
images. I have a frame number within the video stream which tells me where
On Wed, Jul 5, 2017 at 3:30 PM Marton Balint wrote:
>
> On Fri, 9 Jun 2017, Devin Heitmueller wrote:
>
> > Hello Marton,
> >
> > On Tue, Jun 6, 2017 at 5:45 PM, Marton Balint wrote:
> >
> >> As far as I remember multiple side data of the same type is not
> something we
> >> wanted to support. Wh
On Fri, Jun 9, 2017 at 11:41 AM Devin Heitmueller <
dheitmuel...@kernellabs.com> wrote:
> Hello Marton,
>
> On Tue, Jun 6, 2017 at 5:45 PM, Marton Balint wrote:
>
> > As far as I remember multiple side data of the same type is not
> something we
> > wanted to support. Why do you need it? Can't a
On Tue, Jun 6, 2017 at 4:48 PM John P Poet wrote:
> On Tue, Jun 6, 2017 at 4:40 PM Kieran Kunhya wrote:
>
>> >
>> > The cc_count is only 5 bits, which mean that only 31 3-byte "closed
>> caption
>> > constructs" will fit in a "block".
On Tue, Jun 6, 2017 at 4:40 PM Kieran Kunhya wrote:
> >
> > The cc_count is only 5 bits, which mean that only 31 3-byte "closed
> caption
> > constructs" will fit in a "block".Testing this with 1080i60
> material, I
> > found that 2 or 3 blocks was often necessary to hold all of the CC data.
On Tue, Jun 6, 2017 at 3:59 PM Hendrik Leppkes wrote:
> On Tue, Jun 6, 2017 at 11:45 PM, Marton Balint wrote:
> >
> > On Tue, 6 Jun 2017, John Poet wrote:
> >
> >> ff_mpeg1_encode_picture_header: Add support for AV_FRAME_DATA_A53_CC
> >> frame: Add av_frame_get_side_data_at() to allow retrival o
If AV_FRAME_DATA_A53_CC "user data" is available, encode it into the mpeg
picture header.
This follows the spec in section 6.2.3 of
http://atsc.org/wp-content/uploads/2015/03/a_53-Part-4-2009.pdf
I am working on gstreamer side, to inject the information into the ffmpeg
side data, and have it gene
