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Sensoray 911 Quick Start User Manual

Page 6

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“Sensoray Model 810&811&911 Quick-Start Instruction -- Linux.pdf”
This instruction manual .pdf file

16) Compile sample program, “sx1xCapV4L2”, using:


gcc –o s811cap sx1xCapV4L2.c

17) Run demo: “s811cap”

In the demo program s811cap (sx1xCapV4L2), the default capturing channel
is set to the Channel-1, with opening device “/dev/video0”.

If user would like to capture from different channel, simply,

# ./s811cap –d /dev/video0

(for Channel-1)

# ./s811cap –d /dev/video1

(for Channel-2)

# ./s811cap –d /dev/video2

(for Channel-3)

# ./s811cap –d /dev/video3

(for Channel-4)

# ./s811cap –d /dev/video4

(for Chan-1 of 2

nd

810/811/911 board)

# ./s811cap –d /dev/video5

(for Chan-2 of 2

nd

810/811/911 board)

# ./s811cap –d /dev/video6

(for Chan-3 of 2

nd

810/811/911 board)

# ./s811cap –d /dev/video7

(for Chan-4 of 2

nd

810/811/911 board)



18) Any one of the following image viewing/processing utilities like GNOME
image viewer, Kuickshow, imageMagick, GIMP, etc., can be used to
display/process the captured image saved into the output files.


19) Compile sample program, “avcapture”, using:


Ubuntu:

su -c "apt-get install libavformat-dev libasound2-dev" (one time)
make avcapture LDLIBS="-lavformat -lavcodec -lavutil -lasound"

RedHat/Fedora:

su -c "yum install ffmpeg-devel" (one time)
make avcapture LDLIBS="-lavformat -lavcodec -lavutil -lasound \
-lpthread" CFLAGS="-I/usr/include/ffmpeg"

20) Run demo: “avcapture”

Usage: ./avcapture [duration] [clip_length]

video_device V4L2 device, ex: /dev/video0 for Channel-1,
/dev/video1 for Channel-2, ......, and
/dev/video3 for Channel-4, etc.
output_file filename, ex: output.avi
duration duration in seconds, or with a time suffix;
ex: 30s 60m 2h ( default=3600s )
clip_length optional clip_length in seconds ( default=600s )
or with a time suffix; ex: 20s 10m 1h
( <30m is suggested, to insure good A/V sync for
all A/V clips )

21) The captured .avi A/V clips can be played back with the Movie Player,

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