Adjusting the videorate for an mjpeg stream
Severin Kacianka
severin.kacianka at aau.at
Wed Nov 13 04:25:53 PST 2013
Dear Andrey,
thank you for the quick reply!
On 11/13/2013 12:54 PM, Andrey Nikitin wrote:
> $ v4l2-ctl --list-formats-ext -d /dev/videoX
I attach the output to this e-mail.
Thank you,
Severin
-------------- next part --------------
ioctl: VIDIOC_ENUM_FMT
Index : 0
Type : Video Capture
Pixel Format: 'YUYV'
Name : YUV 4:2:2 (YUYV)
Size: Discrete 640x480
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 160x90
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 160x120
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 176x144
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 320x180
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 320x240
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 352x288
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 432x240
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 640x360
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 800x448
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 800x600
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 864x480
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 960x720
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1024x576
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1280x720
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1600x896
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1920x1080
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 2304x1296
Interval: Discrete 0.500 s (2.000 fps)
Size: Discrete 2304x1536
Interval: Discrete 0.500 s (2.000 fps)
Index : 1
Type : Video Capture
Pixel Format: 'H264' (compressed)
Name : H.264
Size: Discrete 640x480
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 160x90
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 160x120
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 176x144
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 320x180
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 320x240
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 352x288
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 432x240
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 640x360
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 800x448
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 800x600
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 864x480
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 960x720
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1024x576
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1280x720
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1600x896
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1920x1080
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Index : 2
Type : Video Capture
Pixel Format: 'MJPG' (compressed)
Name : MJPEG
Size: Discrete 640x480
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 160x90
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 160x120
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 176x144
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 320x180
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 320x240
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 352x288
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 432x240
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 640x360
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 800x448
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 800x600
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 864x480
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 960x720
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1024x576
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1280x720
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1600x896
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
Size: Discrete 1920x1080
Interval: Discrete 0.033 s (30.000 fps)
Interval: Discrete 0.042 s (24.000 fps)
Interval: Discrete 0.050 s (20.000 fps)
Interval: Discrete 0.067 s (15.000 fps)
Interval: Discrete 0.100 s (10.000 fps)
Interval: Discrete 0.133 s (7.500 fps)
Interval: Discrete 0.200 s (5.000 fps)
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