Re: [FFmpeg-user] Using ffmpeg with youtube-dl: Non-monotonous DTS in output stream

2018-12-14 Thread Gyan
On 15-12-2018 07:15 AM, Tefl Zuren wrote: I'm trying to download a video with youtube-dl (http://rg3.github.io/youtube-dl/). It uses ffmpeg. At the beginning of the second group of mpegts files, ffmpeg starts throwing the error "Non-monotonous DTS in output stream 0:0; ... This may result in

Re: [FFmpeg-user] How to fix video artifacts on ddvideo AVI?

2018-12-14 Thread Carl Zwanzig
On 12/14/2018 6:07 PM, Carl Eugen Hoyos wrote: I just want to make absolutely clear that I want to encourage users to report issues, even if the necessary samples are bigger than a few MB. We certainly agree on that. (who, iirc, has a 20Mbit Internet connection) The need of a static IP

Re: [FFmpeg-user] How to fix video artifacts on ddvideo AVI?

2018-12-14 Thread Carl Eugen Hoyos
2018-12-15 2:54 GMT+01:00, dan9er : > Is there a way to reduce these artifacts by using one > of ffmpeg's filters? I cannot rule it out but looking at the type of the artefacts I think it is not very likely. I also confirmed that the same issues are visible not using FFmpeg to decode. Carl

Re: [FFmpeg-user] How to fix video artifacts on ddvideo AVI?

2018-12-14 Thread Carl Eugen Hoyos
2018-12-15 2:57 GMT+01:00, Carl Zwanzig : > On 12/14/2018 5:22 PM, Carl Eugen Hoyos wrote: >> (We love samples.) > > We do, well, I do, although large samples are not > always necessary, or even desirable That's why we have a 2.5 MB size limit on the bug tracker. I just want to make absolutely

Re: [FFmpeg-user] How to fix video artifacts on ddvideo AVI?

2018-12-14 Thread Carl Zwanzig
On 12/14/2018 5:22 PM, Carl Eugen Hoyos wrote: Not directly related to this issue but please note that two issues were reported against FFmpeg over the last years where the samples were >10G, so this comment is neither correct nor does it give the right incentives imo. My comment is quite

Re: [FFmpeg-user] How to fix video artifacts on ddvideo AVI?

2018-12-14 Thread dan9er
2018-12-14 20:20 GMT-05:00, Carl Eugen Hoyos ceffm...@gmail.com: > 2018-12-14 23:56 GMT+01:00, Dan9er dan...@protonmail.com: > > > For a job, I have received some AVI files with visible artifacts on them. I > > am tasked with removing the artifacts. These video files are movies > > rendered using

[FFmpeg-user] Using ffmpeg with youtube-dl: Non-monotonous DTS in output stream

2018-12-14 Thread Tefl Zuren
I'm trying to download a video with youtube-dl (http://rg3.github.io/youtube-dl/). It uses ffmpeg. At the beginning of the second group of mpegts files, ffmpeg starts throwing the error "Non-monotonous DTS in output stream 0:0; ... This may result in incorrect timestamps in the output file."

Re: [FFmpeg-user] How to fix video artifacts on ddvideo AVI?

2018-12-14 Thread Carl Eugen Hoyos
2018-12-15 2:16 GMT+01:00, Carl Zwanzig : > On 12/14/2018 2:56 PM, Dan9er wrote: >> Is there a way to remove these artifacts, preferably with as >> little loss of quality as possible? > > Would you put up some single-frames showing the artifacts, > or some short clips, so no one has to download

Re: [FFmpeg-user] How to fix video artifacts on ddvideo AVI?

2018-12-14 Thread Carl Zwanzig
On 12/14/2018 2:56 PM, Dan9er wrote: Is there a way to remove these artifacts, preferably with as little loss of quality as possible? Would you put up some single-frames showing the artifacts, or some short clips, so no one has to download 400+ MB. z!

[FFmpeg-user] How to fix video artifacts on ddvideo AVI?

2018-12-14 Thread Dan9er
For a job, I have received some AVI files with visible artifacts on them. I am tasked with removing the artifacts. These video files are movies rendered using MovieShaker, and the raw footage does not have artifacts. Is there a way to remove these artifacts, preferably with as little loss of

[FFmpeg-user] How to live-stream from a webcam to a local URL on a Raspberry Pi? (Raspbian)

2018-12-14 Thread Jack Lewis
I'm currently using a program called mjpg_streamer on a Raspberry Pi 3B+ to accomplish this, but it doesn't include a good way to also record the webcam footage to a local file the way that ffmpeg does. Currently mjpg_streamer is set up to output a camera feed to localhost:8085/?action=stream,

Re: [FFmpeg-user] Get exact duration of an mpeg1 file

2018-12-14 Thread Carl Zwanzig
On 12/14/2018 8:19 AM, Robert Krüger wrote: Just a comparison: This approach gives me the duration information for a 180 minute file in 1.8 seconds while mediainfo does it in 0.25 seconds (being exact while ffmpeg is a few frames off, but that's a different topic), so there must be a faster way

Re: [FFmpeg-user] Get exact duration of an mpeg1 file

2018-12-14 Thread Carl Eugen Hoyos
2018-12-14 17:19 GMT+01:00, Robert Krüger : > On Fri, Dec 14, 2018 at 3:03 AM Carl Eugen Hoyos wrote: > >> 2018-12-13 17:10 GMT+01:00, Robert Krüger : >> >> > is there a way to get the exact duration of a raw mpeg1 file using the >> > ffmpeg command line? For testing I created a 30 minute test

Re: [FFmpeg-user] Get exact duration of an mpeg1 file

2018-12-14 Thread Robert Krüger
On Fri, Dec 14, 2018 at 3:03 AM Carl Eugen Hoyos wrote: > 2018-12-13 17:10 GMT+01:00, Robert Krüger : > > > is there a way to get the exact duration of a raw mpeg1 file using the > > ffmpeg command line? For testing I created a 30 minute test file using > > ffmpeg (using -c:v mpeg1video -f