[FFmpeg-devel] [PATCH 2/4] h264_metadata: Add support for A/53 closed captions

[Carl Eugen Hoyos]

Am Fr., 13. Sept. 2019 um 20:28 Uhr schrieb Michael Niedermayer
<michael at niedermayer.cc>:
>
> On Wed, Sep 11, 2019 at 11:56:08AM -0700, Aman Gupta wrote:
> > From: Mark Thompson <sw at jkqxz.net>
> >
> > Allows insertion (from side data), extraction (to side data), and removal
> > of closed captions in SEI messages.
> > ---
> >  libavcodec/Makefile            |   2 +-
> >  libavcodec/h264_metadata_bsf.c | 133 +++++++++++++++++++++++++++++++++
> >  2 files changed, 134 insertions(+), 1 deletion(-)
>
> breaks build on mips
>
> CC      libavcodec/cbs_misc.o
> In file included from src/libavcodec/cbs_misc.c:25:
> src/libavcodec/cbs_misc.h:73: warning: declaration does not declare anything
> src/libavcodec/cbs_misc.h:86: warning: declaration does not declare anything

I can confirm that gcc-4.4.6 (which passes fate here with current FFmpeg)
does not support these (anonymous?) unions.

Carl Eugen