Re: [FFmpeg-user] ffmpeg low bitrate with with qulaity

2020-04-07 Thread Moritz Barsnick
Hi Matthew On Wed, Apr 08, 2020 at 08:19:59 +0545, Matthew Reus wrote: > Hello i m using ubuntu 18.04 server with f > *fmpeg version N-94396-g47b6ca0 Copyright (c) 2000-2019 * > My question is how can we compress the stream using H264 with high quality > with lower bit rate , till now i m defining

Re: [FFmpeg-user] 'image trails'

2020-04-07 Thread Michael Koch
Am 08.04.2020 um 08:09 schrieb Michael Koch: Am 08.04.2020 um 04:48 schrieb Mark Filipak: Start again after a good sleep. Re: https://ffmpeg.org/pipermail/ffmpeg-user/attachments/20200407/4556ce6a/attachment.mpv Kindly play 'attachment'. Got any ideas what's causing the image

Re: [FFmpeg-user] 'image trails'

2020-04-07 Thread Michael Koch
Am 08.04.2020 um 04:48 schrieb Mark Filipak: Start again after a good sleep. Re: https://ffmpeg.org/pipermail/ffmpeg-user/attachments/20200407/4556ce6a/attachment.mpv Kindly play 'attachment'. Got any ideas what's causing the image trails? fmpeg -i "M:\Tes

Re: [FFmpeg-user] How does ffmpeg handle chroma when transcoding video?

2020-04-07 Thread pdr0
jake9wi wrote > When I transcode a video (say from x264 to vp9 without scaling) does > ffmpeg up-scale the chroma to 4:4:4 for processing or does it leave it at > 4:2:0? It does not change the chroma unless you tell it to change it, or some filter or output format requires you to change it --

[FFmpeg-user] 'image trails'

2020-04-07 Thread Mark Filipak
If you look at the zero-th frame, you see that there are already 2 shadow images -- and there are 2 alternate 'select' streams ...coincidence or a clue? It's as though there's some sort of leakage or lack of initialization. What do *you* think? Sorry that this message is probably not threaded

[FFmpeg-user] 'image trails'

2020-04-07 Thread Mark Filipak
Start again after a good sleep. Re: https://ffmpeg.org/pipermail/ffmpeg-user/attachments/20200407/4556ce6a/attachment.mpv Kindly play 'attachment'. Got any ideas what's causing the image trails? fmpeg -i "M:\Test Videos\23.976p.mkv" \ -filter_complex \ "telecin

[FFmpeg-user] ffmpeg low bitrate with with qulaity

2020-04-07 Thread Matthew Reus
Hello i m using ubuntu 18.04 server with f *fmpeg version N-94396-g47b6ca0 Copyright (c) 2000-2019 * My question is how can we compress the stream using H264 with high quality with lower bit rate , till now i m defining FTA hd channel upto 5 MBps but i want it decrease to 2 Mbps without quality los

[FFmpeg-user] How does ffmpeg handle chroma when transcoding video?

2020-04-07 Thread JACOB WIESE
When I transcode a video (say from x264 to vp9 without scaling) does ffmpeg up-scale the chroma to 4:4:4 for processing or does it leave it at 4:2:0? 73s Signed/Jacob ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinf

Re: [FFmpeg-user] make a slideshow out of images and embed videos in it

2020-04-07 Thread atticus via ffmpeg-user
Original Message ‐‐‐ On Tuesday, April 7, 2020 7:02 AM, Moritz Barsnick wrote: > On Mon, Apr 06, 2020 at 17:23:45 -0500, atticus via ffmpeg-user wrote: > > > Now if I run the command to concatenate the slideshow with the normal video > > ffmpeg tries to encode a very long output file (

Re: [FFmpeg-user] Decoding DVB Sub to image format

2020-04-07 Thread Nicolas George
Alexandre Bouin (12020-04-07): > What are the information under braces '[' ']' ? https://ffmpeg.org/ffmpeg-all.html#Filtergraph-syntax-1 https://ffmpeg.org/ffmpeg-all.html#filter_005fcomplex_005foption > > De : ffmpeg-user de la part de Nicolas > George > Envoy

Re: [FFmpeg-user] Decoding DVB Sub to image format

2020-04-07 Thread Alexandre Bouin
Hi George, Thank you for this answer. Hum yes, I'm a bit late ! I gave a try this morning, but I'm quite beginner with ffmpeg args. What are the information under braces '[' ']' ? On my side, I succeeded to decode image subtitles ... but as binary ! ffmpeg -y -i -an -vn -c:s copy -f rawvideo -

Re: [FFmpeg-user] Works in ffmpeg-git, doesn't in ffmpeg 1:4.2.2-5

2020-04-07 Thread Ted Park
> On Apr 7, 2020, at 03:22, Carl Zwanzig wrote: > > On 4/6/2020 6:59 PM, Kai Hendry wrote: >> For several months as an Archlinux user, kms screen capture has been broken >> in the standard ffmpeg package. > >> The resolution of the ticket was "invalid", but the problem remains, that >> the ffm

Re: [FFmpeg-user] Works in ffmpeg-git, doesn't in ffmpeg 1:4.2.2-5

2020-04-07 Thread Carl Eugen Hoyos
Am Di., 7. Apr. 2020 um 09:23 Uhr schrieb Carl Zwanzig : > > The ffmpeg project only provides the builds on it's web > own site. The FFmpeg project does not provide any builds, only source code. > ffmpeg is another example where using the distro's > package is probably not a good idea. I wouldn'

Re: [FFmpeg-user] Works in ffmpeg-git, doesn't in ffmpeg 1:4.2.2-5

2020-04-07 Thread Carl Zwanzig
On 4/6/2020 6:59 PM, Kai Hendry wrote: For several months as an Archlinux user, kms screen capture has been broken in the standard ffmpeg package. The resolution of the ticket was "invalid", but the problem remains, that the ffmpeg release doesn't work. So how can I help get a stable releas

Re: [FFmpeg-user] make a slideshow out of images and embed videos in it

2020-04-07 Thread Moritz Barsnick
On Mon, Apr 06, 2020 at 17:23:45 -0500, atticus via ffmpeg-user wrote: > Now if I run the command to concatenate the slideshow with the normal video > ffmpeg tries to encode a very long output file (over 20 minutes, when I > abort) even though the input files only have a duration of less than 15 >