Re: [FFmpeg-user] replace several lines by one using the filter_complex

On 10-07-2020 01:01 am, Leonardo via ffmpeg-user wrote: $ ffmpeg -i video.mp4 -vf "trim=start=7:end=1173,setpts=PTS-STARTPTS" -af "atrim=start=7:end=1173,asetpts=PTS-STARTPTS" part1.mp4 $ ffmpeg -i video.mp4 -vf "trim=start=1260:end=1430,setpts=PTS-STARTPTS" -af

[FFmpeg-user] replace several lines by one using the filter_complex

Hello, I have a video that I need to extract two parts of it and merge together those parts. I can accomplish this using the TRIM/ATRIM filter together with the concat demuxer: $ ffmpeg -i video.mp4 -vf "trim=start=7:end=1173,setpts=PTS-STARTPTS" -af

Re: [FFmpeg-user] Virtual camera

On 7/9/2020 6:10 AM, Nicolas George wrote: Simon Brown (12020-07-09): I was wondering if there is any way to use FFmpeg to create a virtual camera for a PC/Mac from an H264 stream source. I know FFmpeg can use directshow as an input device. No, FFmpeg cannot do that. You may be able to

Re: [FFmpeg-user] write output of find_rect to a file?

> Unfortunately I can't compile ffmpeg myself on my Windows system. If you are comfortable with compiling FFmpeg in general but lack the tools on Windows, you could try the media-autobuild suite. https://github.com/m-ab-s/media-autobuild_suite If you need to recompile FFmpeg you can keep your

Re: [FFmpeg-user] Virtual camera

Simon Brown (12020-07-09): > I was wondering if there is any way to use FFmpeg to create a virtual > camera for a PC/Mac from an H264 stream source. I know FFmpeg can use > directshow as an input device. No, FFmpeg cannot do that. You may be able to achieve that with the vivid video driver:

[FFmpeg-user] Virtual camera

I was wondering if there is any way to use FFmpeg to create a virtual camera for a PC/Mac from an H264 stream source. I know FFmpeg can use directshow as an input device. Thanks, Simon ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

[FFmpeg-user] Solved : Re: New and question with -i option

thank's all is fine now François-marie Le 09/07/2020 à 11:38, Gyan Doshi a écrit : On 09-07-2020 02:50 pm, François-Marie BILLARD wrote: Hello, i'm new on this list and would use ffmpeg for making a video from pictures. I have used this command line; with 54 pictures from DSC_0527.JPG :

Re: [FFmpeg-user] New and question with -i option

On 09-07-2020 02:50 pm, François-Marie BILLARD wrote: Hello, i'm new on this list and would use ffmpeg for making a video from pictures. I have used this command line; with 54 pictures from DSC_0527.JPG : ffmpeg -f image2 -i DSC_05%2d.JPG -start_number 0527 -r 12 -vcodec mpeg4 -b 15000k

[FFmpeg-user] New and question with -i option

Hello, i'm new on this list and would use ffmpeg for making a video from pictures. I have used this command line; with 54 pictures from DSC_0527.JPG : ffmpeg -f image2 -i DSC_05%2d.JPG -start_number 0527 -r 12 -vcodec mpeg4 -b 15000k ouverture_four.mp4 i have this error, when i launch the

Re: [FFmpeg-user] Compiling on an aarch64 machine

On Thu, Jul 09, 2020 at 10:16:29 +0200, Verachten Bruno wrote: > The fact that FFMpeg does not compile without this trick of exporting an > empty CFLAGS variable on aarch64 there: https://trac.ffmpeg.org/ . > If you consider this is not a bug, that's perfect for me, but in my point > of view, that

Re: [FFmpeg-user] Compiling on an aarch64 machine

> Could this behaviour be considered as a bug? If so, I can file it. > What would you like to report where? > The fact that FFMpeg does not compile without this trick of exporting an empty CFLAGS variable on aarch64 there: https://trac.ffmpeg.org/ . If you consider this is not a bug, that's