Re: [FFmpeg-devel] A few filter questions

2014-07-20 Thread Clément Bœsch
On Fri, Jul 18, 2014 at 12:38:43PM +0200, Gerion Entrup wrote: Am Donnerstag 17 Juli 2014, 17:24:35 schrieb Clément Bœsch: On Thu, Jul 17, 2014 at 04:56:08PM +0200, Gerion Entrup wrote: [...] Also, you still have the string metadata possibility (git grep SET_META libavfilter).

Re: [FFmpeg-devel] A few filter questions

2014-07-18 Thread Gerion Entrup
Am Donnerstag 17 Juli 2014, 17:24:35 schrieb Clément Bœsch: On Thu, Jul 17, 2014 at 04:56:08PM +0200, Gerion Entrup wrote: [...] Also, you still have the string metadata possibility (git grep SET_META libavfilter). Hmm, thank you, I will take a look at it. If I see it right, it is

[FFmpeg-devel] A few filter questions

2014-07-17 Thread Gerion Entrup
Good day, I'm currently working on a video signature filter for ffmpeg. This allows you to fingerprint videos. This fingerprint is built up of 9mb/s of bits or 2-3 mb/s bits compressed. In this context a few questions come into my mind: - Should I print this whole bitstream to stdout/stderr at

Re: [FFmpeg-devel] A few filter questions

2014-07-17 Thread Clément Bœsch
On Thu, Jul 17, 2014 at 12:33:41PM +0200, Gerion Entrup wrote: Good day, I'm currently working on a video signature filter for ffmpeg. This allows you to fingerprint videos. Oh, nice. This fingerprint is built up of 9mb/s of bits or 2-3 mb/s bits compressed. In this context a few

Re: [FFmpeg-devel] A few filter questions

2014-07-17 Thread Gerion Entrup
Am Donnerstag 17 Juli 2014, 13:00:13 schrieb Clément Bœsch: On Thu, Jul 17, 2014 at 12:33:41PM +0200, Gerion Entrup wrote: Good day, I'm currently working on a video signature filter for ffmpeg. This allows you to fingerprint videos. Oh, nice. This fingerprint is built up of 9mb/s

Re: [FFmpeg-devel] A few filter questions

2014-07-17 Thread Clément Bœsch
On Thu, Jul 17, 2014 at 04:56:08PM +0200, Gerion Entrup wrote: [...] Also, you still have the string metadata possibility (git grep SET_META libavfilter). Hmm, thank you, I will take a look at it. If I see it right, it is used to fill a dictionary per frame with some kind of data?

Re: [FFmpeg-devel] A few filter questions

2014-07-17 Thread Nicolas George
Le nonidi 29 messidor, an CCXXII, Clément Bœsch a écrit : We add a discussion several time for real time with that filter. If we do a 2-pass, that's simply because it's more efficient. Typically, doing some live normalization can be done easily (we had patches for this): ebur128 already