ffmpeg black screen recording
Hello when i want to record my desktop or recording video with ffmpeg it generates a black video ??
my operating system ubuntu 18:04 bionic kernel 4.16
here is the command I'm using :
ffmpeg -f x11grab -s 640x480 -i :1.0+10,20 -vf format=pix_fmts=yuv420p -f v4l2 /dev/video0
18.04 video ffmpeg
asked Mar 16 at 21:43
SUPERMANSUPERMAN
1
add a comment |
Hello when i want to record my desktop or recording video with ffmpeg it generates a black video ??
my operating system ubuntu 18:04 bionic kernel 4.16
here is the command I'm using :
ffmpeg -f x11grab -s 640x480 -i :1.0+10,20 -vf format=pix_fmts=yuv420p -f v4l2 /dev/video0
18.04 video ffmpeg
asked Mar 16 at 21:43
SUPERMANSUPERMAN
1
add a comment |
Hello when i want to record my desktop or recording video with ffmpeg it generates a black video ??
my operating system ubuntu 18:04 bionic kernel 4.16
here is the command I'm using :
ffmpeg -f x11grab -s 640x480 -i :1.0+10,20 -vf format=pix_fmts=yuv420p -f v4l2 /dev/video0
18.04 video ffmpeg
asked Mar 16 at 21:43
SUPERMANSUPERMAN
1
Hello when i want to record my desktop or recording video with ffmpeg it generates a black video ??
my operating system ubuntu 18:04 bionic kernel 4.16
here is the command I'm using :
ffmpeg -f x11grab -s 640x480 -i :1.0+10,20 -vf format=pix_fmts=yuv420p -f v4l2 /dev/video0
18.04 video ffmpeg
18.04 video ffmpeg
asked Mar 16 at 21:43
SUPERMANSUPERMAN
1
asked Mar 16 at 21:43
SUPERMANSUPERMAN
1
asked Mar 16 at 21:43
SUPERMANSUPERMAN
1
asked Mar 16 at 21:43
SUPERMANSUPERMAN
1
asked Mar 16 at 21:43
SUPERMANSUPERMAN
1
1
add a comment |
add a comment |
1 Answer
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Try the following command and modify it accordingly:
ffmpeg -f x11grab -i :0.0+10,20 -r 10 -vf format=pix_fmts=yuv420p output.mp4
Since my system build does not have an output on /dev/video0, I replaced it with a filename as an output.
-f for input/output. Input source: x11grab, indicates a screen capture provided by the libxcb1 library. Output source: /dev/video0, assuming there is a connected monitor.
-i Screen 0 is selected (run xrandr to view the available connected screens). 10 pixels and 20 pixels for x-offset and y-offset (set in the question).
-r for framerate (Hz) for recording. (10 fps selected).
-vf filtergraph flag for filtering the stream.
answered Mar 17 at 0:33
PSAPSA
1197
not working i get black video
– SUPERMAN
Mar 17 at 9:32
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Try the following command and modify it accordingly:
ffmpeg -f x11grab -i :0.0+10,20 -r 10 -vf format=pix_fmts=yuv420p output.mp4
Since my system build does not have an output on /dev/video0, I replaced it with a filename as an output.
-f for input/output. Input source: x11grab, indicates a screen capture provided by the libxcb1 library. Output source: /dev/video0, assuming there is a connected monitor.
-i Screen 0 is selected (run xrandr to view the available connected screens). 10 pixels and 20 pixels for x-offset and y-offset (set in the question).
-r for framerate (Hz) for recording. (10 fps selected).
-vf filtergraph flag for filtering the stream.
answered Mar 17 at 0:33
PSAPSA
1197
not working i get black video
– SUPERMAN
Mar 17 at 9:32
add a comment |
Try the following command and modify it accordingly:
ffmpeg -f x11grab -i :0.0+10,20 -r 10 -vf format=pix_fmts=yuv420p output.mp4
Since my system build does not have an output on /dev/video0, I replaced it with a filename as an output.
-f for input/output. Input source: x11grab, indicates a screen capture provided by the libxcb1 library. Output source: /dev/video0, assuming there is a connected monitor.
-i Screen 0 is selected (run xrandr to view the available connected screens). 10 pixels and 20 pixels for x-offset and y-offset (set in the question).
-r for framerate (Hz) for recording. (10 fps selected).
-vf filtergraph flag for filtering the stream.
answered Mar 17 at 0:33
PSAPSA
1197
not working i get black video
– SUPERMAN
Mar 17 at 9:32
add a comment |
Try the following command and modify it accordingly:
ffmpeg -f x11grab -i :0.0+10,20 -r 10 -vf format=pix_fmts=yuv420p output.mp4
Since my system build does not have an output on /dev/video0, I replaced it with a filename as an output.
-f for input/output. Input source: x11grab, indicates a screen capture provided by the libxcb1 library. Output source: /dev/video0, assuming there is a connected monitor.
-i Screen 0 is selected (run xrandr to view the available connected screens). 10 pixels and 20 pixels for x-offset and y-offset (set in the question).
-r for framerate (Hz) for recording. (10 fps selected).
-vf filtergraph flag for filtering the stream.
answered Mar 17 at 0:33
PSAPSA
1197
Try the following command and modify it accordingly:
ffmpeg -f x11grab -i :0.0+10,20 -r 10 -vf format=pix_fmts=yuv420p output.mp4
Since my system build does not have an output on /dev/video0, I replaced it with a filename as an output.
-f for input/output. Input source: x11grab, indicates a screen capture provided by the libxcb1 library. Output source: /dev/video0, assuming there is a connected monitor.
-i Screen 0 is selected (run xrandr to view the available connected screens). 10 pixels and 20 pixels for x-offset and y-offset (set in the question).
-r for framerate (Hz) for recording. (10 fps selected).
-vf filtergraph flag for filtering the stream.
answered Mar 17 at 0:33
PSAPSA
1197
answered Mar 17 at 0:33
PSAPSA
1197
answered Mar 17 at 0:33
PSAPSA
1197
answered Mar 17 at 0:33
PSAPSA
1197
1197
not working i get black video
– SUPERMAN
Mar 17 at 9:32
add a comment |
not working i get black video
– SUPERMAN
Mar 17 at 9:32
not working i get black video
– SUPERMAN
Mar 17 at 9:32
not working i get black video
– SUPERMAN
Mar 17 at 9:32
add a comment |
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