RivaTV - users guide - module options

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Short description:Capture buffers
Default value:4
Possible values:1 - 32
Description: The number of capture buffers used to store frames. Only used in framegrabbing mode. Increasing this number might increase performance. It also increases kernel memory usage. A value of 2 is almost always sufficient.


Short description:Enable/disable decoder autoloading
Default value:1 (on)
Possible values:0 (off), 1 (on)
Description: By default, RivaTV loads the appropriate driver for the video decoder on your nVidia card. If you do not want this to happen, turn this off (=0).


Short description:Tell RivaTV which card is installed
Default value:-1 (autodetect)
Possible values:1 - #cards in CARDLIST file
Description: By default, RivaTV attempts to autodetect your card. If this fails for some reason, you can tell RivaTV which card is installed by setting this option. The number you enter corresponds to a card, as summed up in the CARDLIST file.


Short description:Debug verbosity
Default value:1 (verbose)
Possible values:0 (silent), 1 (verbose), 2 (very verbose)
Description: RivaTV tells you a lot. Because RivaTV is still beta, it is defaulted to being verbose (=1), to serve you better in solving issues with it. If you have a problem, but need more information (usually requested by a developer) set this to 2. If it works fine for you and think it is cluttering your system log, set it to silent (=0).


Short description:TV-Box tuner type
Default value:0 (none/auto)
Possible values:0 (none/auto),
1 (Philips FI1216 and compatibles),
2 (Philips FI1236, FM1236 and compatibles),
3 (Philips FI1236 MK2),
4 (Philips FI1256 and compatibles),
5 (Philips FQ1216ME),
6 (Philips FI1216MF, FM1216MF, FR1216MF),
7 (Philips FI1246 and compatibles)
Description: Most cards do not have any tuner connected. Hence the default to none (=0). In case your card is known to RivaTV (either autodetected or through the card option), there is no need to set this parameter. Otherwise, set it to whatever standard you are using.


Short description:Enable DMA transfers
Default value:0 (off)
Possible values:0 (off), 1 (on)
Description: DMA is an experimental feature to speed up framegrabbing. It is considered unstable, hence turned off by default. If you want to try it out, turn it on (=1).
Use with caution.


Short description:Incidate usage of AGP
Default value:1 (on)
Possible values:0 (off), 1 (on)
Description: RivaTV tells whether AGP is in use or not, if this option is on (=1). You can turn it off (=0) if you don't want it to. This function is purely cosmetic.


Short description:Use MTRR
Default value:1 (yes)
Possible values:0 (no), 1 (yes)
Description: MTRR speeds up the driver. There is no proof that this affects stability, therefore it is turned on (=1) by default. If you are experiencing crashes, you may try disabling (=0) usage of MTRR.


Short description:Use MMX processor extensions
Default value:1 (yes)
Possible values:0 (no), 1 (yes)
Description: Indicate usage of MMX code. This parameter enables or disables MMX code in colour conversion routines (much faster) if the processor has MMX registers.


Short description:Enable additional software colour conversions
Default value:1 (yes)
Possible values:0 (no), 1 (yes)
Description: Enable software colour conversion. With this parameter disabled V4L applications will have to support the native format(s) of the driver. This parameter accomodates the use of applications designed to use the native colour formats of nVidia cards.

© 2003, 2004 RivaTV team