Re: [FFmpeg-user] Trying to get lossless PNG -> VP9 (yuv) -> PNG

2018-07-31 Thread Kirk Liberty
On Tue, Jul 31, 2018 at 7:04 PM, Carl Eugen Hoyos wrote: > > 2018-07-29 0:16 GMT+02:00, Kirk Liberty : > > My plan is to use the YCgCo > > colorspace to get lossless conversion of rgb->yuv->rgb > > This conversion (may be lossless in theory but) is not lossless > with FFmpeg, both x264 and libvpx-

Re: [FFmpeg-user] Wrong colors on yuv444p10le with full range encoding in DNDxHD

2018-07-31 Thread Gonzalo Garramuño
El 31/07/18 a las 20:25, Carl Eugen Hoyos escribió: 2018-07-30 3:30 GMT+02:00, Gonzalo Garramuño : The DNDxHD mov file created in Nuke11: https://drive.google.com/file/d/1I5V4T9AMoIharSbmNbEIkhxpJolHDIBi/view?usp=sharing and shows up with wrong values in all programs that use ffmpeg Please

Re: [FFmpeg-user] Wrong colors on yuv444p10le with full range encoding in DNDxHD

2018-07-31 Thread Carl Eugen Hoyos
2018-07-30 3:30 GMT+02:00, Gonzalo Garramuño : > The DNDxHD mov file created in Nuke11: > > https://drive.google.com/file/d/1I5V4T9AMoIharSbmNbEIkhxpJolHDIBi/view?usp=sharing > > and shows up with wrong values in all programs that use ffmpeg Please provide a file that (only) shows the intended ou

Re: [FFmpeg-user] Trying to get lossless PNG -> VP9 (yuv) -> PNG

2018-07-31 Thread Carl Eugen Hoyos
2018-07-29 0:16 GMT+02:00, Kirk Liberty : > My plan is to use the YCgCo > colorspace to get lossless conversion of rgb->yuv->rgb This conversion (may be lossless in theory but) is not lossless with FFmpeg, both x264 and libvpx-vp9 support encoding rgb which can be lossless. Carl Eugen ___

Re: [FFmpeg-user] ffmpeg pop and deesser filters

2018-07-31 Thread Jim Shupert
. I would like to add an audio filter to get rid of 'pop' and 'ess' sounds, especially present when pronouncing the 'p' sound and 's' and 'sh' sounds respectively. Does anyone have a suggestion for which (free linux) filters do this well and work well with ffmpeg? I've been looking into ladsp

[FFmpeg-user] ffmpeg pop and deesser filters

2018-07-31 Thread Joshua Grauman
Hello all, I am using ffmpeg to edit videos of speeches/talks (like a TED talk). I am using a headworn microphone. I would like to add an audio filter to get rid of 'pop' and 'ess' sounds, especially present when pronouncing the 'p' sound and 's' and 'sh' sounds respectively. Does anyone have

Re: [FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-07-31 Thread Carl Eugen Hoyos
2018-07-26 1:01 GMT+02:00, Rafael Lima : > Teorically there is no limitation on ffmpeg that would make > it fail because of the long running time. I don't think this is entirely correct, I believe it depends on the specific parameters. Carl Eugen ___ f

Re: [FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-07-31 Thread Jim DeLaHunt
On 2018-07-31 02:43, Bryce McLeod wrote: Its not 4k but on one of our systems we regularly capture on the same machine from an sdi source 8-12hours of 3 x 1080p25 streams in lossess h264 using ffmpeg, all 3 outputs going to spinning disk on 5 year old hardware. There is enough headroom that a 4th

Re: [FFmpeg-user] Anyone having success capturing hours of 4k video, reliably and with low loss, using ffmpeg?

2018-07-31 Thread Bryce McLeod
Its not 4k but on one of our systems we regularly capture on the same machine from an sdi source 8-12hours of 3 x 1080p25 streams in lossess h264 using ffmpeg, all 3 outputs going to spinning disk on 5 year old hardware. There is enough headroom that a 4th would be easily possible with newer hardwa