On Thu, 8 Jun 2017 13:24:39 +0200 Paul B Mahol <one...@gmail.com> wrote:
> On 6/8/17, wm4 <nfx...@googlemail.com> wrote: > > On Thu, 8 Jun 2017 11:36:02 +0200 > > Paul B Mahol <one...@gmail.com> wrote: > > > >> On 6/8/17, wm4 <nfx...@googlemail.com> wrote: > >> > On Thu, 8 Jun 2017 08:13:48 +0200 > >> > Paul B Mahol <one...@gmail.com> wrote: > >> > > >> >> Signed-off-by: Paul B Mahol <one...@gmail.com> > >> >> --- > >> > > >> > Feeding the coefficients as additional audio inputs, and using amovie > >> > to load them, seems like an extremely awkward choice. It would make > >> > sense to me if there actually were a set of input coefficients per > >> > actual audio input, but that's not the case. Instead, the efficients > >> > are a much smaller stream than the main audio input. > >> > > >> > Why not load the coefficients directly? > >> > >> I'm not going to add yet another movie filter. > >> The amovie is there just because I used same filtergraph with mpv to > >> be able to seek. > > > > A user would need to connect all the inputs even with ffmpeg CLI. Not > > sure why you're talking about "another movie filter" - why not just > > load the coefficients directly, using a custom format if necessary? > > From what I understand, you need to do something special to produce > > those coefficient wav files anyway. > > SOFA is custom format, subset of HDF, alternative is wav, wav > can hold 16/24/32 int/float samples. > > SOFA just holds bunch of HRTF coefficients of various loudspeakers positions. > > I'm not going to NIH libmysofa or invent yet another new format just to hold > all > IRs when only subset of them are ever used. > > So take it or leave it. I'm pretty happy with this filter, > its even faster when seeking than sofalizer. I'd probably leave it. Using wav audio is a ridiculous way of storing coefficients, when you could just dump them as arrays into a trivial custom file format. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel