[FFmpeg-devel] [PATCH v3 0/4] Add passthrough support for SCTE-35

Devin Heitmueller devin.heitmueller at ltnglobal.com
Thu Jul 27 18:08:29 EEST 2023


On Fri, Jul 21, 2023 at 4:38 PM Devin Heitmueller
<devin.heitmueller at ltnglobal.com> wrote:
>
> Properly set up the MPEG-TS mux and recalculate the pts_adjust field
> in SCTE_35 packets, such that a user can transparently pass through
> SCTE-35 streams when both the input and output are MPEG-TS.
>
> This patch series rebased against master and a patch to hack around
> periodic PCR retransmission has been dropped as the behavior is
> no longer reproducible in master.
>
> Devin Heitmueller (4):
>   avcodec: Add new side data type to contain original PTS value
>   mpegts: Stash original PTS for SCTE-35 sections for processing later
>   mpegtsenc: Add support for output of SCTE-35 streams over TS
>   bsf: Add new bitstream filter to set SCTE-35 pts_adjustment when
>     reclocking
>
>  doc/bitstream_filters.texi       |   9 ++++
>  libavcodec/Makefile              |   1 +
>  libavcodec/bitstream_filters.c   |   1 +
>  libavcodec/defs.h                |  12 +++++
>  libavcodec/packet.h              |  11 +++++
>  libavcodec/scte35ptsadjust_bsf.c | 103 +++++++++++++++++++++++++++++++++++++++
>  libavformat/mpegts.c             |  11 ++++-
>  libavformat/mpegts.h             |   1 +
>  libavformat/mpegtsenc.c          |  76 +++++++++++++++++++++++++++--
>  libavformat/mux.c                |   6 ++-
>  10 files changed, 224 insertions(+), 7 deletions(-)
>  create mode 100644 libavcodec/scte35ptsadjust_bsf.c
>
> --
> 1.8.3.1
>

Given all the comments/feedback has been addressed and there haven't
been any further comments, is there any reason this can't be merged by
someone?

Thank you,

Devin

-- 
Devin Heitmueller, Senior Software Engineer
LTN Global Communications
o: +1 (301) 363-1001
w: https://ltnglobal.com  e: devin.heitmueller at ltnglobal.com


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