[FFmpeg-devel] [PATCH 05/12] lavf/mux: add avformat_init_output

[Michael Niedermayer]

On Wed, Apr 20, 2016 at 02:10:57AM -0500, Rodger Combs wrote:
> This allows a consumer to run the muxer's init function without actually
> writing the header, which is useful in chained muxers that support
> automatic bitstream filtering.
> ---
>  libavformat/avformat.h | 34 ++++++++++++++++++++++++++--
>  libavformat/internal.h | 10 +++++++++
>  libavformat/mux.c      | 61 +++++++++++++++++++++++++++++++++++++++-----------
>  libavformat/version.h  |  4 ++--
>  4 files changed, 92 insertions(+), 17 deletions(-)

this strangely causes a duplicate / empty line for:
./ffmpeg -v repeat -fflags +genpts -i ~/tickets/3197/new_bad.vob -map 0:1 -map 0:13 -codec copy -f segment  -segment_time 2 out-%08d.nut

Stream mapping:
  Stream #0:1 -> #0:0 (copy)
  Stream #0:13 -> #0:1 (copy)
                                                <------------
Press [q] to stop, [?] for help

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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