"Maybe" with avisynth and a special input, but in general donations welcome to make the dshow module able to do this :)
On Mon, Jul 18, 2022 at 10:35 PM ashwin Nair <annrwor...@gmail.com> wrote: > > Hi All, > > I have 3 USB cameras streaming video at a specific resolution. I am trying > to merge the videos together using hstack and display using ffplay. > > This is the command I am using: > > ffmpeg -f dshow -pix_fmt uyvy422 -video_size 1280x2160 -i video="CAM_0" -f > dshow -pix_fmt uyvy422 -video_size 1280x2160 -i video="CAM_1" -f dshow > -pix_fmt uyvy422 -video_size 1280x2160 -i video="CAM_2" -filter_complex > hstack=3 -f nut - | ffplay - > > There is a special case in this system. The USB Camera system will only > start video stream only when 3 cameras are enabled (or started by ffmpeg). > However when I am using the above command, ffmpeg starts CAM_0 and waits > for data. As a result CAM_1 and CAM_2 are not started and video stream does > not start. > > Is there any way where I can start all 3 inputs simultaneously using ffmpeg > and then merge them together using hstack? > > Thanks! > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".