[FFmpeg-devel] [Bulk] [PATCH] lavfi: add smptehdbars source

Tim Nicholson nichot20 at yahoo.com
Tue Apr 23 11:28:19 CEST 2013


On 11/04/13 23:44, Paul B Mahol wrote:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  doc/filters.texi           |   5 +-
>  libavfilter/Makefile       |   1 +
>  libavfilter/allfilters.c   |   1 +
>  libavfilter/vsrc_testsrc.c | 172 ++++++++++++++++++++++++++++++++++++++-------
>  4 files changed, 151 insertions(+), 28 deletions(-)
> 
> [..]

Is there not a problem, in that ffmpeg always uses the 601 matrix for
conversion from rgb to YUV, and therefore if these bars are used at HD
frame sizes (which is what you would expect to do for HD bars), the
colours will then be wrong?

Or have I missed something?

-- 
Tim


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