On Thu, Mar 09, 2017 at 02:16:10AM +0700, Muhammad Faiz wrote: > On Thu, Mar 9, 2017 at 1:32 AM, Michael Niedermayer > <mich...@niedermayer.cc> wrote: > > On Wed, Mar 08, 2017 at 10:25:42PM +0700, Muhammad Faiz wrote: > >> except filter_length == 1 > >> > >> odd filter_length gives worse frequency response, > >> even when compared with shorter filter_length > >> > >> also makes build_filter simpler > >> > >> Signed-off-by: Muhammad Faiz <mfc...@gmail.com> > >> --- > >> libswresample/resample.c | 56 +++++++++++--------------------- > >> tests/fate/libswresample.mak | 76 > >> ++++++++++++++++++++++---------------------- > >> 2 files changed, 56 insertions(+), 76 deletions(-) > > > > why does this change the checksums ? > > > > did they use odd filter lengths ? > > Of course, filter_length is not necessarily equal with filter_size. > for example 8000 -> 2626, filter_length = ceil(32/0.97*8000/2626) = 101
right favoring even is of course ok thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB It is what and why we do it that matters, not just one of them.
signature.asc
Description: Digital signature
_______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
