[FFmpeg-user] 'mix' filter questions

2021-03-19 Thread Mark Filipak (ffmpeg)
Synopsis: I present the 'mix' filter (in compact format) followed by criticism followed by my rewrite followed by remaining questions. Tip: Before responding, I suggest you save time and effort by reading below the divider (=). If I have it right, then kindly say so; otherwise, let me know

[FFmpeg-user] Rolling bands fix using amplify?

2021-03-19 Thread Pedro Vivas Hernández
Hi, new here. Was wondering if rolling bands flicker on a clip that was exposed with a cheap LED can be fixed with a video filter. Looking through the manual I saw deflicker, which assume has more to do with timelapse flicker, and amplify, which compares pixels and adjacent frames. The bands are

Re: [FFmpeg-user] ffmpeg srt to udp

2021-03-19 Thread Carl Eugen Hoyos
Am Di., 16. März 2021 um 13:28 Uhr schrieb Javier Fuentes : > ffmpeg -i "srt://xx.xx.xx.xx:9002?mode=listener" -map 0 -codec copy -tune > zerolatency -f mpegts udp://xx.xx.xx.xx:9000?pkt_size=1316 (-tune zerolatency looks disturbing here...) Complete, uncut console output missing. It should

Re: [FFmpeg-user] [FPGA HEVC Encode Plugin] Tutorial and Performance Review

2021-03-19 Thread Carl Eugen Hoyos
Am Fr., 19. März 2021 um 08:56 Uhr schrieb tai truong : > Sorry for my first naive question. As googling, I found some talk about > fpga hevc encode plugin for ffmpeg from Xilinx. I have no idea if this is your question but a patch is attached to this ticket: https://trac.ffmpeg.org/ticket/7214

Re: [FFmpeg-user] ffmpeg srt to udp

2021-03-19 Thread adam smith via ffmpeg-user
> On 19 Mar 2021, at 16:45, Carl Zwanzig wrote: > > Please do not top-post on this mailing list (yes, it's in the list FAQ). Apologies. I did the whole cut out the relevant text only bit and then ruined it by writing above it. Hopefully the advice does the trick and helps to redeem my

Re: [FFmpeg-user] ffmpeg srt to udp

2021-03-19 Thread Carl Zwanzig
On 3/19/2021 8:00 AM, adam smith via ffmpeg-user wrote: Have you tried increasing the latency of the incoming SRT stream? Please do not top-post on this mailing list (yes, it's in the list FAQ). z! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] ffmpeg srt to udp

2021-03-19 Thread Anders Degerberg
On Fri, Mar 19, 2021 at 3:18 PM Javier Fuentes wrote: > I have tried srt-live-transmit and I still have many problems with > artifacts and cuts. like ffmpeg, Hi Javier, have to tried to increase the srt latency by adding for example '=100' at the end of your ffmpeg command line, to see if

Re: [FFmpeg-user] ffmpeg srt to udp

2021-03-19 Thread adam smith via ffmpeg-user
Have you tried increasing the latency of the incoming SRT stream? I am using caller option like pkt_size=1316=caller=200 this ensured my source did not contain artefacts, although obviously adds latency. Maybe it’s worth a try. Thanks Adam > > On 19 Mar 2021, at 13:33, Christian David

Re: [FFmpeg-user] ffmpeg srt to udp

2021-03-19 Thread Javier Fuentes
Hello I have tried srt-live-transmit and I still have many problems with artifacts and cuts. like ffmpeg, Thanks Best regards On Tue, Mar 16, 2021 at 1:30 PM Christian David wrote: > Try use srt-live-transmit instead of ffmpeg, will work better. > >

Re: [FFmpeg-user] ffmpeg srt to udp

2021-03-19 Thread Christian David
Could you confirm if the origin UDP has a 1316 packet length ? Best Regards, Em 19/03/2021 10:26, Javier Fuentes escreveu: Hello I have tried srt-live-transmit and I still have many problems with artifacts and cuts. like ffmpeg, Thanks Best regards On Tue, Mar 16, 2021 at 1:30 PM Christian

Re: [FFmpeg-user] [FPGA HEVC Encode Plugin] Tutorial and Performance Review

2021-03-19 Thread Dennis Mungai
On Fri, 19 Mar 2021, 10:56 tai truong, wrote: > Hi every one, > > Sorry for my first naive question. As googling, I found some talk about > fpga hevc encode plugin for ffmpeg from Xilinx. Is there anyone have work > on it? Some result/benchmark on performance either for suggestions and >

Re: [FFmpeg-user] [FPGA HEVC Encode Plugin] Tutorial and Performance Review

2021-03-19 Thread Mark Filipak (ffmpeg)
On 2021-03-19 03:56, tai truong wrote: Hi every one, Sorry for my first naive question. As googling, I found some talk about fpga hevc encode plugin for ffmpeg from Xilinx. Is there anyone have work on it? Some result/benchmark on performance either for suggestions and views. Thank you

[FFmpeg-user] [FPGA HEVC Encode Plugin] Tutorial and Performance Review

2021-03-19 Thread tai truong
Hi every one, Sorry for my first naive question. As googling, I found some talk about fpga hevc encode plugin for ffmpeg from Xilinx. Is there anyone have work on it? Some result/benchmark on performance either for suggestions and views. Thank you very much. Best regards, Tai Truong