[FFmpeg-devel] [PATCH v4 0/2] TTML in MP4, part 1

[Jan Ekström]

On Mon, Aug 23, 2021 at 11:31 AM Jan Ekström <jeebjp at gmail.com> wrote:
>
> On Mon, Aug 16, 2021 at 3:26 PM Jan Ekström <jeebjp at gmail.com> wrote:
> >
> > To keep it simpler this first part includes only non-fragmented use
> > cases if the built-in sample squashing is utilized. Contains the basic
> > mapping code as well as the function that writes out the squashed documents.
> >
> > Works with both subtitle-only output as well as with other streams.
> >
> > In a separate patch set I will add additional complexity on top
> > by introducing fragmentation matching based on the other streams in
> > the mux (since most things that ingest fragmented MP4 with subtitles
> > want the fragment time ranges to match between the video/audio streams
> > and subtitles in the mux).
> >
> > Changes from v3:
> >
> > * avformat/ttmlenc: added const to the function argument codecpar, and switched
> >                     included header from avformat.h to specifically
> >                     libavcodec/codec_par.h according to comments from Andreas.
> > * avformat/movenc_ttml: applied recommendation from Andreas to deduplicate
> >                         AVFormatContext cleanup.
> >
> > Jan
> >
> > Jan Ekström (2):
> >   avformat/ttml: split TTML paragraph based or not check into header
> >   avformat/movenc: add support for TTML muxing
> >
> >  libavformat/Makefile             |   2 +-
> >  libavformat/isom.h               |   3 +
> >  libavformat/movenc.c             | 179 ++++++++++++++++++++++++++++++-
> >  libavformat/movenc.h             |   5 +
> >  libavformat/movenc_ttml.c        | 171 +++++++++++++++++++++++++++++
> >  libavformat/movenc_ttml.h        |  31 ++++++
> >  libavformat/ttmlenc.c            |   9 +-
> >  libavformat/ttmlenc.h            |  39 +++++++
> >  tests/fate/subtitles.mak         |   4 +
> >  tests/ref/fate/sub-ttml-mp4-dfxp |  44 ++++++++
> >  tests/ref/fate/sub-ttml-mp4-stpp |  44 ++++++++
> >  11 files changed, 521 insertions(+), 10 deletions(-)
> >  create mode 100644 libavformat/movenc_ttml.c
> >  create mode 100644 libavformat/movenc_ttml.h
> >  create mode 100644 libavformat/ttmlenc.h
> >  create mode 100644 tests/ref/fate/sub-ttml-mp4-dfxp
> >  create mode 100644 tests/ref/fate/sub-ttml-mp4-stpp
> >
>
> Unless there are objections, I will pull this in soon as all the
> previously received reviews/comments were taken into account.
>

Applied as 460beb948ceddeb86bd2b3b17335176adcaa7223 and
e41bd075dd56f20f4eca61790bda5bf88c433bcb .

Jan