[FFmpeg-devel] [Bulk] [PATCH] lavfi: add smptehdbars source
Paul B Mahol
onemda at gmail.com
Tue Apr 23 11:54:41 CEST 2013
On 4/23/13, Tim Nicholson <nichot20 at yahoo.com> wrote:
> 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?
I compared colors from one from wikipedia and it looks fine to me.
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