Re: [FFmpeg-devel] [PATCH v4 6/6] decklink_enc: add support for playout of 608 captions in MOV files

2023-05-03 Thread Lance Wang
On Tue, May 2, 2023 at 10:48 PM Devin Heitmueller < devin.heitmuel...@ltnglobal.com> wrote: > Hi Lance, > > On Sun, Apr 30, 2023 at 7:01 PM Lance Wang wrote: > > This implementation is limited to decklink SDI output only, If > possible, > > can we implement the function from demuxer layer,

Re: [FFmpeg-devel] [PATCH v4 6/6] decklink_enc: add support for playout of 608 captions in MOV files

2023-05-02 Thread Devin Heitmueller
Hi Lance, On Sun, Apr 30, 2023 at 7:01 PM Lance Wang wrote: > This implementation is limited to decklink SDI output only, If possible, > can we implement the function from demuxer layer, and then passthrough > by SEI side data? By this way, we can convert such stream in streaming > to

Re: [FFmpeg-devel] [PATCH v4 6/6] decklink_enc: add support for playout of 608 captions in MOV files

2023-04-30 Thread Lance Wang
On Fri, Apr 28, 2023 at 11:43 PM Devin Heitmueller < devin.heitmuel...@ltnglobal.com> wrote: > Unlike other cases where the closed captions are embedded in the > video stream as MPEG-2 userdata or H.264 SEI data, with MOV files > the captions are often found on a separate "e608" subtitle track. >

[FFmpeg-devel] [PATCH v4 6/6] decklink_enc: add support for playout of 608 captions in MOV files

2023-04-28 Thread Devin Heitmueller
Unlike other cases where the closed captions are embedded in the video stream as MPEG-2 userdata or H.264 SEI data, with MOV files the captions are often found on a separate "e608" subtitle track. Add support for playout of such files, leveraging the new ccfifo mechanism to ensure that they are