267 lines
4.9 KiB
Groff
267 lines
4.9 KiB
Groff
.\"
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.\" $FreeBSD$
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.\"
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.Dd January 18, 2006
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.Dt BKTR 4
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.Os
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.Sh NAME
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.Nm bktr
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.Nd Brooktree Bt848/849/878/879 and Pinnacle PCTV video capture driver
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.Sh SYNOPSIS
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.Cd device bktr
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.Pp
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.Cd device iicbus
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.Cd device iicbb
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.Cd device smbus
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.Sh DESCRIPTION
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The
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.Nm bktr
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driver provides support for PCI
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.Em video
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capture and
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.Em VBI
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capture on low cost, high performance boards.
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The driver is based on the Matrox Meteor driver and uses the same API.
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The
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.Nm
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driver should support most video cards based on the
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.Em "Brooktree Bt848/849/878/879 Video Capture Chip" .
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Also supported are most
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.Em "Pinnacle PCTV"
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video cards.
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Furthermore, the driver supports
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.Em FM Radio
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if the tuner supports it.
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.Pp
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The driver currently supports the following features:
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.Bd -unfilled -offset indent
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PCI to PCI dma transfer
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clipping
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yuv
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rgb16
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rgb24
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rgb32
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.Ed
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.Pp
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On the supported cards, tuners and other components are interconnected
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with an I2C bus.
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The Brooktree848 chips act as a master device on the bus to control them.
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Therefore,
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.Xr iicbus 4 ,
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.Xr iicbb 4
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and
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.Xr smbus 4
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controller declarations are mandatory to activate
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.Nm
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support.
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.Pp
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The following kernel parameters may be used to further configure the driver:
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.Pp
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.Em options "BROOKTREE_ALLOC_PAGES=xxx"
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specifies the number of contiguous pages to allocate when successfully
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probed.
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The default number of pages allocated by the kernel is 216.
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This means that there are (216*4096) bytes available for use.
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.Bd -unfilled
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.Cd options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_PAL
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.Cd options BROOKTREE_SYSTEM_DEFAULT=BROOKTREE_NTSC
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.Ed
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One of these options can be used to set the default video format for the driver.
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This fixed random hangs and lockups with the VideoLogic Captivator PCI card.
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.Pp
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The following sysctls may be used to further configure the driver:
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.Pp
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.Em sysctl hw.bt848.card=nnnn
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This can be used to override the card make which was detected at boot time.
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.Ql nnnn
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is set to an integer from 1 to 23 taken from the following table:
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.Pp
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.Bl -tag -compact -width 30n
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.It MIRO
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1
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.It HAUPPAUGE
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2
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.It STB
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3
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.It INTEL
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4
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.It IMS_TURBO
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5
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.It AVER_MEDIA
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6
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.It OSPREY
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7
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.It NEC_PK
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8
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.It IO_GV
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9
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.It FLYVIDEO
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10
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.It ZOLTRIX
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11
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.It KISS
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12
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.It VIDEO_HIGHWAY_XTREME
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13
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.It ASKEY_DYNALINK_MAGIC_TVIEW
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14
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.It LEADTEK
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15
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.It TERRATVPLUS
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16
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.It IO_BCTV3
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17
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.It AOPEN_VA1000
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18
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.It PINNACLE_PCTV_RAVE
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19
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.It PIXELVIEW_PLAYTV_PAK
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20
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.It TERRATVALUE
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21
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.It PIXELVIEW_PLAYTV_PRO_REV_4C
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22
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.It Bt848_MAX
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23
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.El
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.Pp
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.Em sysctl hw.bt848.tuner=nnnn
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This can be used to override the tuner make which was detected at boot time.
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.Ql nnnn
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is set to an integer from 0 to 16 taken from the following table:
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.Pp
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.Bl -tag -compact -width 22n
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.It NO_TUNER
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0
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.It TEMIC_NTSC
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1
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.It TEMIC_PAL
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2
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.It TEMIC_SECAM
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3
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.It PHILIPS_NTSC
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4
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.It PHILIPS_PAL
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5
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.It PHILIPS_SECAM
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6
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.It TEMIC_PALI
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7
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.It PHILIPS_PALI
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8
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.It PHILIPS_FR1236_NTSC
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9 /* These have FM Radio support */
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.It PHILIPS_FR1216_PAL
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10 /* These have FM Radio support */
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.It PHILIPS_FR1236_SECAM
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11 /* These have FM Radio support */
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.It ALPS_TSCH5
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12
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.It ALPS_TSBH1
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13
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.It MT2032
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14
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.It LG_TPI8PSB12P_PAL
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15
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.It Bt848_MAX
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16
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.El
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.Sh HARDWARE
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The
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.Nm
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driver supports video capture cards based on the
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Brooktree Bt848/849/878/879 chips, as well as
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Pinnacle PCTV cards, including:
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.Pp
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.Bl -bullet -compact
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.It
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AOpen VA1000
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.It
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AVerMedia AVerTV Studio
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.It
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AVerMedia TF/FM-98
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.It
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ATI TV Wonder VE
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.It
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Hauppauge WinCast/TV
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.It
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Hauppauge WinTV-Go-FM
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.It
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Hauppauge WinTV-pci
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.It
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Hauppauge WinTV-radio
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.It
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Intel Smart Video Recorder III
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.It
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KWORLD PCI TV Tuner
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.It
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Miro PC TV
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.It
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Pinnacle PCTV Pro
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.It
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Pinnacle PCTV Rave
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.It
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PixelView PlayTV PAK
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.It
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PixelView PlayTV Pro (rev 4C, 9D)
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.It
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SIGMA TV II
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.It
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STB TV PCI Television Tuner
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.It
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Super TV Tuner
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.It
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TerraTec TValue
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.It
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V-Stream XPERT TV-PVR 878
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.It
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Video Highway XTreme
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.It
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VideoLogic Captivator PCI
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.El
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.Sh FILES
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.Bl -tag -width /usr/share/examples/meteor -compact
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.It Pa /usr/share/examples/meteor
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Examples of what you can do with the (similarly designed) Meteor driver.
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.It Pa /usr/ports/multimedia/fxtv
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A TV and Camera display program utilizing the bktr driver - requires that
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.Em The X Window System
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and
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.Em The Ports Collection
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also be installed.
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.It Pa /usr/ports/misc/alevt
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A program to capture and display Teletext (VideoText) pages - requires that
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.Em The X Window System
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and
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.Em The Ports Collection
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also be installed.
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.It Pa /usr/ports/audio/xmradio
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An FM Radio Tuner for cards which have an FM Radio tuner fitted - requires that
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.Em The X Window System
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and
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.Em The Ports Collection
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also be installed.
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It also requires
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.Em Motif
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or the
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.Em lesstif
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port.
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.El
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.Sh SEE ALSO
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.Xr meteor 4
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Fx 2.2 .
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.Sh AUTHORS
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.An -nosplit
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This driver is based on the work of
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.An Jim Lowe Aq Mt james@miller.cs.uwm.edu ,
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.An Mark Tinguely Aq Mt tinguely@plains.nodak.edu ,
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.An Amancio Hasty Aq Mt hasty@star-gate.com ,
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.An Roger Hardiman Aq Mt roger@FreeBSD.org
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and a bunch of other people.
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Support for Pinnacle PCTV Rave cards was added by
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.An Branko Lankester Aq Mt branko@euro.net .
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