Raspberrypi

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Raspberrypi

Lastmodified　2013-10-25 (金) 17:35:37

Raspberrypi†

http://d.hatena.ne.jp/zqwell-ss/20130623/1372009506

https://wiki.ubuntulinux.jp/UbuntuTips/Others/RootSudo#root.2BMKIwqzCmMPMwyDBuZwlSuVMW-

http://www.odin.hyork.net/write/write0731.html

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screen をインストールするよ！†

http://netbuffalo.doorblog.jp/archives/4609419.html

apt-get install screen

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Webカメラにするよ†

http://www.mztn.org/rpi/rpi23.html

https://sites.google.com/site/mizukoshipi/raspberry-pidewebkamera

http://wolfpaulus.com/jounal/embedded/raspberrypi_webcam

svn co https://svn.code.sf.net/p/mjpg-streamer/code/mjpg-streamer/ mjpg-streamer

http://blog.livedoor.jp/victory7com/archives/28289703.html

root@raspberrypi ~/mjpg-streamer # make
gcc -D'SVN_REV="3:172"' -O2 -DLINUX -D_GNU_SOURCE -Wall    -c -o mjpg_streamer.o mjpg_streamer.c
gcc -D'SVN_REV="3:172"' -O2 -DLINUX -D_GNU_SOURCE -Wall    -c -o utils.o utils.c
gcc -D'SVN_REV="3:172"' -O2 -DLINUX -D_GNU_SOURCE -Wall  mjpg_streamer.o utils.o -lpthread -ldl -o mjpg_streamer
chmod 755 mjpg_streamer
make -C plugins/input_uvc all
make[1]: Entering directory `/root/mjpg-streamer/plugins/input_uvc'
gcc -c -O1 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o v4l2uvc.lo v4l2uvc.c
v4l2uvc.c: In function ?init_videoIn?:
v4l2uvc.c:88:23: warning: variable ?currentHeight? set but not used [-Wunused-but-set-variable]
v4l2uvc.c:88:9: warning: variable ?currentWidth? set but not used [-Wunused-but-set-variable]
gcc -c -O1 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o jpeg_utils.lo jpeg_utils.c
gcc -c -O1 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o dynctrl.lo dynctrl.c
gcc -O1 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o input_uvc.so input_uvc.c v4l2uvc.lo jpeg_utils.lo dynctrl.lo -ljpeg
make[1]: Leaving directory `/root/mjpg-streamer/plugins/input_uvc'
cp plugins/input_uvc/input_uvc.so .
make -C plugins/output_file all
make[1]: Entering directory `/root/mjpg-streamer/plugins/output_file'
gcc -O2 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o output_file.so output_file.c
make[1]: Leaving directory `/root/mjpg-streamer/plugins/output_file'
cp plugins/output_file/output_file.so .
make -C plugins/output_udp all
make[1]: Entering directory `/root/mjpg-streamer/plugins/output_udp'
gcc -O2 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o output_udp.so output_udp.c
make[1]: Leaving directory `/root/mjpg-streamer/plugins/output_udp'
cp plugins/output_udp/output_udp.so .
make -C plugins/output_http all
make[1]: Entering directory `/root/mjpg-streamer/plugins/output_http'
gcc -c -O1 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o httpd.lo httpd.c
gcc -O1 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o output_http.so output_http.c httpd.lo
make[1]: Leaving directory `/root/mjpg-streamer/plugins/output_http'
cp plugins/output_http/output_http.so .
make -C plugins/input_testpicture all
make[1]: Entering directory `/root/mjpg-streamer/plugins/input_testpicture'
convert pictures/960x720_1.jpg -resize 640x480! pictures/640x480_1.jpg
convert pictures/960x720_1.jpg -resize 320x240! pictures/320x240_1.jpg
convert pictures/960x720_1.jpg -resize 160x120! pictures/160x120_1.jpg
converting file: 160x120_1.jpg
converting file: 320x240_1.jpg
converting file: 640x480_1.jpg
converting file: 960x720_1.jpg
converting file: 160x120_2.jpg
converting file: 320x240_2.jpg
converting file: 640x480_2.jpg
converting file: 960x720_2.jpg
gcc -O2 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC -o input_testpicture.so input_testpicture.c
make[1]: Leaving directory `/root/mjpg-streamer/plugins/input_testpicture'
cp plugins/input_testpicture/input_testpicture.so .
make -C plugins/input_file all
make[1]: Entering directory `/root/mjpg-streamer/plugins/input_file'
gcc -O2 -DLINUX -D_GNU_SOURCE -Wall -shared -fPIC  -o input_file.so input_file.c
make[1]: Leaving directory `/root/mjpg-streamer/plugins/input_file'
cp plugins/input_file/input_file.so .
root@raspberrypi ~/mjpg-streamer # make install
install --mode=755 mjpg_streamer /usr/local/bin
install --mode=644 input_uvc.so output_file.so output_udp.so output_http.so input_testpicture.so input_file.so /usr/local/lib/
install --mode=755 -d /usr/local/www
install --mode=644 -D www/* /usr/local/www
root@raspberrypi ~/mjpg-streamer #
root@raspberrypi ~/mjpg-streamer #
root@raspberrypi ~/mjpg-streamer #
root@raspberrypi ~/mjpg-streamer # mjpg_streamer -i "input_uvc.so -f 2 -r 320x240 -d /dev/vc-cma -y" -o "./output_http.so -w ./www -p 8080"
MJPG Streamer Version: svn rev: 3:172
ERROR: could not find input plugin
       Perhaps you want to adjust the search path with:
       # export LD_LIBRARY_PATH=/path/to/plugin/folder
       dlopen: input_uvc.so: cannot open shared object file: No such file or directory
root@raspberrypi ~/mjpg-streamer # ./mjpg_streamer -i "./input_uvc.so -f 2 -r 320x240 -d /dev/vc-cma -y" -o "./output_http.so -w ./www -p 8080"
MJPG Streamer Version: svn rev: 3:172
 i: Using V4L2 device.: /dev/vc-cma
 i: Desired Resolution: 320 x 240
 i: Frames Per Second.: 2
 i: Format............: YUV
 i: JPEG Quality......: 80
Error opening device /dev/vc-cma: unable to query device.
 Init v4L2 failed !! exit fatal

http://blog.miguelgrinberg.com/post/stream-video-from-the-raspberry-pi-camera-to-web-browsers-even-on-ios-and-android

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