[FFmpeg-user] Why minterpolate operation is very slow on my ffmpeg?

2019-07-13 Thread Алексей via ffmpeg-user
I tried to use minterpolate='mi_mode=mci:mc_mode=aobmc:vsbmc=1:fps=60, but have a very slow encoding speed=, 0.0xxx If I tried to use mi_mode=blend it will be more faster, but I don't like this method, because it isn't liek to me.. What problem with aobmc mode, and how I can to encrease

Re: [FFmpeg-user] Per frame metadata example?

2019-07-13 Thread Francesco Pretto
On Sat, Jul 13, 2019, 23:54 Paul B Mahol wrote: That is very vague and unspecific wording to claim such feature. And specification is misleading you. Anyway NUT specification was written much before introduction of frame metadata as we know it. So what you actually pointed out have nothing to

Re: [FFmpeg-user] Per frame metadata example?

2019-07-13 Thread Paul B Mahol
On 7/13/19, Francesco Pretto wrote: > On Sat, 13 Jul 2019 at 22:33, Paul B Mahol wrote: >> NUT does not support that. >> What convinced you it does support it? >> > > The NUT specification[1] talks specifically about per-frame metadata > support: That is very vague and unspecific wording to

Re: [FFmpeg-user] Per frame metadata example?

2019-07-13 Thread Francesco Pretto
On Sat, 13 Jul 2019 at 22:33, Paul B Mahol wrote: > NUT does not support that. > What convinced you it does support it? > The NUT specification[1] talks specifically about per-frame metadata support: -- sm_data / side_data / meta_data This data

Re: [FFmpeg-user] Per frame metadata example?

2019-07-13 Thread Paul B Mahol
On 7/13/19, Francesco Pretto wrote: > On Sat, 13 Jul 2019 at 20:21, Paul B Mahol wrote: >> What gives you reason this is supported? None of containers mentioned can >> support it even theoretically. >> >> > > I didn't have knowledge enough to speculate about support of this > feature on specific

Re: [FFmpeg-user] Per frame metadata example?

2019-07-13 Thread Francesco Pretto
On Sat, 13 Jul 2019 at 20:21, Paul B Mahol wrote: > What gives you reason this is supported? None of containers mentioned can > support it even theoretically. > > I didn't have knowledge enough to speculate about support of this feature on specific formats but I couldn't either find hints

Re: [FFmpeg-user] Per frame metadata example?

2019-07-13 Thread Paul B Mahol
On 7/13/19, Francesco Pretto wrote: > Hello, > > I'm investigating on possibility to encode per frame metadata using > ffmpeg API. Naive attempts to set a dictionary on "AVFrame.metadata" > with some key values failed without any warning or error during > encoding, but no values are retrieved on

[FFmpeg-user] Per frame metadata example?

2019-07-13 Thread Francesco Pretto
Hello, I'm investigating on possibility to encode per frame metadata using ffmpeg API. Naive attempts to set a dictionary on "AVFrame.metadata" with some key values failed without any warning or error during encoding, but no values are retrieved on the field during decoding. I'm using ffmpeg