Re: [FFmpeg-user] Integration of ffmpeg

On 8/17/2021 12:45 AM, Phil Rhodes via ffmpeg-user wrote: I can't remember what the solution was, but I seem to recall that it was something to do with the fact that ffmpeg writes most of its status information not to standard output, but to standard error, presumably so as to keep standard outpu

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On Tue, 17 Aug 2021 15:16:05 +0100, Rob Hallam wrote: >On Wed, 7 Jul 2021 17:08:37 +0100, Rob Hallam roberthallam.com> wrote: > >> Please see my other reply to your other message- ffmpeg does not (to >> my knowledge) operate on web pages, as opposed to multimedia files. > >http://ffmpeg.org/piper

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On Mon, 16 Aug 2021 at 22:29, Bo Berglund wrote: > On Mon, 16 Aug 2021 22:59:58 +0200, Reino Wijnsma wrote: > >What makes you think FFmpeg supports Youtube urls? > [ snip ] > If so that would have been the reasonable comment, i.e. "unfortunately ffmpeg > does not support youtube url's" Something

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On Tue, 17 Aug 2021 08:06:39 +0100, DEF wrote: >If you want to use youtube-dl in addition to ffmpeg, then remember >that the command youtube-dl --get-url generates a two line stream. >One for the video and another for the audio.. >you need a small shell script that handles both.. > >Try this (an

[FFmpeg-user] Change of frame quality with different framerate setting

Hi, I would like to ask a question about framerate setting in FFmpeg. I wanted to convert a sequence of images into a video, using the following the command: * ffmpeg -r 10 -f image2 -start_number 1 -i img%04d.png -vcodec libx264 -pix_fmt yuv420p out_video.mp4 to set the framerate to 10. T

[FFmpeg-user] Error when ffmpeg captures camera video stream

*Problem description: *When I try to use ffmpeg's v4l2 in kali to capture the video stream of the computer camera, ffmpeg will get stuck, and then use the shortcut key ‘’ctrl + c’’ to terminate the program, an error will be reported: “Finishing stream 0:0 without any data written to it.”. Please he

Re: [FFmpeg-user] Integration of ffmpeg

I had this problem running it under C# once. I can't remember what the solution was, but I seem to recall that it was something to do with the fact that ffmpeg writes most of its status information not to standard output, but to standard error, presumably so as to keep standard output free for

Re: [FFmpeg-user] How to download video stream starting at an earlier time?

On Tue, 17 Aug 2021 at 06:58, Bo Berglund wrote: > > On Mon, 16 Aug 2021 23:29:22 +0200, "Carlos E. R." > > wrote: > > >Google: download youtube video cut with ffmpeg > > > > > > > >$ youtube-dl --external-dow