insmod   videodev

insmod   pwc

然后就打开/dev/video0或者video1设备

从里面read出来就是图象数据

至于什么格式可以用ioctl取出来

luther@gliethttp:~$ modprobe -l|grep video 查询内核当前支持的video模块

/lib/modules/2.6.27-7-generic/kernel/drivers/video/tridentfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/sm501fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/s1d13xxxfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/fb_sys_fops.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/pm3fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/sstfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/nvidia/nvidiafb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/fb_ddc.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/tdfxfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/arcfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/cyber2000fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/corgi_bl.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/progear_bl.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/ltv350qv.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/platform_lcd.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/ili9320.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/mbp_nvidia_bl.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/cr_bllcd.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/vgg2432a4.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/backlight/lcd.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/svgalib.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/syscopyarea.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/s3fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/neofb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/console/tileblit.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/console/softcursor.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/console/mdacon.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/console/font.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/console/fbcon.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/console/bitblit.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/savage/savagefb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/macmodes.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/vgastate.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/aty/atyfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/aty/radeonfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/aty/aty128fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/sysimgblt.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/vt8623fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/vermilion/crvml.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/vermilion/vmlfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/kyro/kyrofb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/sis/sisfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/cirrusfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/intelfb/intelfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/sysfillrect.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/hecubafb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/display/display.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/uvesafb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/vga16fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/i2c-matroxfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/matroxfb_accel.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/matroxfb_base.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/matroxfb_crtc2.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/matroxfb_misc.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/matroxfb_DAC1064.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/g450_pll.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/matroxfb_maven.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/matroxfb_Ti3026.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/matrox/matroxfb_g450.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/pm2fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/arkfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/hgafb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/cyblafb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/geode/gx1fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/geode/gxfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/geode/lxfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/output.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/riva/rivafb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/carminefb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/video/i810/i810fb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/ieee1394/video1394.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/zr364xx.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx23885/cx23885.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cpia_pp.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/se401.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/zr36067.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tvaudio.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tveeprom.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/bw-qcam.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/c-qcam.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/vp27smpx.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tda9875.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/em28xx/em28xx.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/em28xx/em28xx-dvb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/em28xx/em28xx-alsa.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cafe_ccic.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/zc0301/zc0301.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/videocodec.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx18/cx18.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/v4l1-compat.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tea6420.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/msp3400.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/videobuf-dma-contig.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/bt856.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx88/cx88-vp3054-i2c.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx88/cx88-blackbird.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx88/cx88-dvb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx88/cx8800.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx88/cx88xx.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx88/cx8802.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx88/cx88-alsa.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/stradis.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/ivtv/ivtvfb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/ivtv/ivtv.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx2341x.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/videobuf-core.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tda7432.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa5249.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/sh_mobile_ceu_camera.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7111.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cpia_usb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/upd64083.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/dpc7146.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/bt8xx/bttv.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/usbvideo/ibmcam.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/usbvideo/usbvideo.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/usbvideo/konicawc.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/usbvideo/ultracam.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/usbvideo/vicam.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/usbvideo/quickcam_messenger.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/compat_ioctl32.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7127.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/meye.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/v4l2-common.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa6588.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/s2255drv.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/pwc/pwc.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/zr36060.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/m52790.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/adv7175.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cpia.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/videobuf-vmalloc.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/wm8775.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7115.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7114.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/pms.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/vpx3220.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/mxb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa5246a.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_ov519.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_sonixb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_vc032x.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_main.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_pac7311.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_spca508.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_t613.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_spca561.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_etoms.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_pac207.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_spca506.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_conex.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_spca505.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_sunplus.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_zc3xx.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_stk014.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_spca500.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_sonixj.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_spca501.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_tv8532.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/gspca/gspca_mars.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/videodev.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cs53l32a.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/soc_camera.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/btcx-risc.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/pvrusb2/pvrusb2.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cs5345.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/mt9m001.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/videobuf-dma-sg.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/stv680.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/wm8739.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cx25840/cx25840.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/zr36016.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/soc_camera_platform.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/ovcamchip/ovcamchip.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/upd64031a.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/au0828/au0828.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tuner-3036.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7134/saa6752hs.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7134/saa7134.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7134/saa7134-dvb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7134/saa7134-empress.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7134/saa7134-alsa.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/ks0127.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/usbvision/usbvision.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/w9966.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7185.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/hexium_orion.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/stkwebcam.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/hexium_gemini.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/w9968cf.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/mt9v022.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/videobuf-dvb.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tda9840.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tvp5150.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tea6415c.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/cpia2/cpia2.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa7110.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/tuner.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/vivi.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/adv7170.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/v4l2-int-device.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/sn9c102/sn9c102.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/bt819.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/et61x251/et61x251.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/saa717x.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/zr36050.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/uvc/uvcvideo.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/ov7670.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/media/video/ir-kbd-i2c.ko

/lib/modules/2.6.27-7-generic/kernel/drivers/acpi/video.ko

luther@gliethttp:~$

1.usb驱动

luther@gliethttp:/vobs/works/lnx2625pxa/drivers/usb$ ls

atm    core    host   Kconfig   misc  otg     serial   usb-skeleton.c

class  gadget  image  Makefile  mon   readme  storage

2.video驱动

drivers/media/video

luther@gliethttp:/vobs/works/lnx2625pxa/drivers/media/video$ ls

adv7170.c         hexium_orion.c      saa7110.c       tea5761.h             videocodec.h

adv7175.c         ibmmpeg2.h          saa7111.c       tea5767.c             videodev.c

arv.c             indycam.c           saa7114.c       tea5767.h             vino.c

bt819.c           indycam.h           saa7115.c       tea6415c.c            vino.h

bt856.c           ir-kbd-i2c.c        saa711x.c       tea6415c.h            vivi.c

bt866.c           ivtv                saa711x_regs.h  tea6420.c             vp27smpx.c

bt8xx             Kconfig             saa7121.h       tea6420.h             vpx3220.c

btcx-risc.c       ks0127.c            saa7127.c       tlv320aic23b.c        w9966.c

btcx-risc.h       ks0127.h            saa7134         tuner-3036.c          w9968cf.c

bw-qcam.c         m52790.c            saa7146.h       tuner-core.c          w9968cf_decoder.h

bw-qcam.h         Makefile            saa7146reg.h    tuner-driver.h        w9968cf.h

cafe_ccic.c       meye.c              saa7185.c       tuner-i2c.h           w9968cf_vpp.h

cafe_ccic-regs.h  meye.h              saa7191.c       tuner-simple.c        wm8739.c

compat_ioctl32.c  msp3400-driver.c    saa7191.h       tuner-simple.h        wm8775.c

cpia2             msp3400-driver.h    saa7196.h       tuner-types.c         zc0301

cpia.c            msp3400-kthreads.c  se401.c         tuner-xc2028.c        zoran_card.c

cpia.h            mt20xx.c            se401.h         tuner-xc2028.h        zoran_card.h

cpia_pp.c         mt20xx.h            sn9c102         tuner-xc2028-types.h  zoran_device.c

cpia_usb.c        mxb.c               stk-sensor.c    tvaudio.c             zoran_device.h

c-qcam.c          mxb.h               stk-webcam.c    tveeprom.c            zoran_driver.c

cs5345.c          ov511.c             stk-webcam.h    tvmixer.c             zoran.h

cs53l32a.c        ov511.h             stradis.c       tvp5150.c             zoran_procfs.c

cs8420.h          ov7670.c            stv680.c        tvp5150_reg.h         zoran_procfs.h

cx2341x.c         ovcamchip           stv680.h        upd64031a.c           zr36016.c

cx23885           planb.c             tcm825x.c       upd64083.c            zr36016.h

cx25840           planb.h             tcm825x.h       usbvideo              zr36050.c

cx88              pms.c               tda7432.c       usbvision             zr36050.h

dabfirmware.h     pvrusb2             tda8290.c       v4l1-compat.c         zr36057.h

dabusb.c          pwc                 tda8290.h       v4l2-common.c         zr36060.c

dabusb.h          pxa2xx_v4l2ov2.c    tda9840.c       v4l2-int-device.c     zr36060.h

dpc7146.c         pxa3xx              tda9840.h       videobuf-core.c       zr364xx.c

em28xx            saa5246a.c          tda9875.c       videobuf-dma-sg.c

et61x251          saa5246a.h          tda9887.c       videobuf-dvb.c

font.h            saa5249.c           tda9887.h       videobuf-vmalloc.c

hexium_gemini.c   saa6588.c           tea5761.c       videocodec.c

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