[vdr] Recording priority question

Jukka Palko jpalko at gmail.com
Thu Aug 31 14:04:10 CEST 2006

Anssi Hannula wrote:
> Jukka Palko wrote:
>> I am curious on the recording priorities and especially what is the way
>> vdr decides which card to use to record at a given time.
>> My system is now setup this way:
>> Card #1: Technotrend C2100 rev2.1
>> Card #2: Hauppauge Nexus-CA
>> Card #3: Technotrend C2100 rev2.1
>> -card #3 has the CI attached to it and a Conax CAM
>> I have setup the card #3 to be my viewing card.
>> So does vdr select the card which to use for recording by starting from
>> card #1 and then if card #1 is busy, then card #2, etc?
> Somewhat like that, the actual selection process is more complex.
>> And if card #2
>> is recording and card #1 and #3 are not, then card #1 is used?
> Yes.
>> Or is the card chosen in such a way that if one card is already tuned to
>> the frequency then that card is used for recording that channel?
> Yes.
>> The reason I am asking this is that I wish to keep my card #3 free for
>> viewing those encrypted channels and still be able to easily choose
>> recording on those encrypted channels.
> Automatically done as of 1.4.1-4.
>> I noticed there is the priority setting, which for recording I currently
>> have set to 50 and the primary card usage is allowed for only higher
>> priorities than 55. This would be one way to keep my card free, but then
>> if I want to record on encrypted channels, I need to set the recording
>> priority to higher than 55? Not exactly easy for other members of my
>> family. They can be taught to do it so, but wish there was an easier
>> solution. ;)
> No need to use this.
>> In certain ways I was whondering if there could have been a way to set
>> those encrypted channels to have a higher priority than 55 on recording
>> them so that recording would just happen.
> No need for that, either.
>> I'm basing my question on the understanding that vdr can only tune into
>> encrypted channels using the card that has the CAM attached to. Is this
>> valid still?
> Yes.
> For a reference, here's the algorithm VDR 1.4.2 uses to select the
> device for viewing and recordings:
> If this is liveview and the primary device provides the channel without
> interrupting anything else, it is used. Otherwise:
> Devices that have higher priority receivers on other transponders than
> this recording will not be considered.
> For other devices, checks are done in this order (the first ones are
> valued the most):
> 1. If the card is already recording on the same transponder, use that
> device.
> 2. Avoid the card if it has an ongoing recording.
> 3. Avoid the card if it is used for transfer-mode receiving.
> 4. Use the device which has the lowest priority recording already running.
> 5. Use the device which has the lowest number of CAMs.
> 6. Avoid primary device.
> 7. Avoid full-featured cards.

Thanks for the answer, now I can put that useless priority setting away. :)

Jukka Palko    jpalko at gmail.com

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