ubuntustudio webcam question

asmo.koskinen at arkki.info asmo.koskinen at arkki.info
Thu Apr 9 14:51:17 BST 2009

> I've tried to figure out vlc webcam video to file process.  I set my
> video to /dev/video0 and my audio to /dev/dsp1, and result is sound but
> no video.

I have Logitech QuickCam Pro 9000.

(once again, sorry - this one is in finnish)


asmok at ubuntu:~/bin/mjpg-streamer/uvc-streamer$ ./uvc_stream
Using V4L2 device.....: /dev/video0
Resolution............: 640 x 480
frames per second.....: 5
TCP port..............: 8080
motor control TCP port: 8081

asmok at ubuntu:~/bin/mjpg-streamer/uvc-streamer$ vlc http://localhost:8080/
VLC media player 0.8.6c Janus


asmok at ubuntu:~/bin/mjpg-streamer/mjpg-streamer$ ./mjpg_streamer -o
"output_http.so -w ./www"
MJPG Streamer Version.: 2.0
 i: Using V4L2 device.: /dev/video0
 i: Desired Resolution: 640 x 480
 i: Frames Per Second.: 5
 i: Format............: MJPEG
 o: www-folder-path...: ./www/
 o: HTTP TCP port.....: 8080
 o: username:password.: disabled


mplayer -tv


ffmpeg -f video4linux2 -s 640x480 -r 15 -i /dev/video0 -f m4v out.m4v


asmok at ubuntu:~$ cat /proc/asound/cards
 0 [Live           ]: EMU10K1 - SBLive! Value [CT4832]
                      SBLive! Value [CT4832] (rev.6, serial:0x80271102) at
0x1000, irq 23
 1 [U0x46d0x990    ]: USB-Audio - USB Device 0x46d:0x990
                      USB Device 0x46d:0x990 at usb-0000:00:1a.7-3.2, high
asmok at ubuntu:~$

arecord -D plughw:1,0 -c 1 -f cd -v testi.wav


Maybe these examples give you some directions to go.

Best Regards Asmo Koskinen.

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