Need help for testing tv cards, "test channels" section (1 Viewer)

Epstone

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March 10, 2007
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Hi all,
I'm going to test some usb dvb-s2 cards and I need some more information about the "Test Channels" Section in TV Server. I don't want to do a test with wrong assumptions.

I need more information about the following settings
1. "Each tune will last between..." ?
2. "Tune delay" = delay time after successful/failed channel tuning ?
3. "Sync" = When using 2 or more users, they tune channels at the same time?
4. "Repeat until stop" is it doing anything?

It would be great if you can post the information directly into the wiki page.
Test Channels - MediaPortal Wiki

I'm especially interested in getting sequential channel tuning times while using a single tv card. Would these settings be ok for a test?!


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gibman

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  • October 4, 2006
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    1. Each tune will last between.
    Here u can define the amount of time that any given tune is granted before either tuning to next channel or stop.
    The actual value is randomized for each card tune in the test.

    2. Tune delay
    This is a small delay that is enforced before tuning the next channel.

    3. Sync
    It's an option that should always be enabled. Unchecking it merely reveals a lot of exceptions as TVE in its current form is not thread safe. Behind the scenes the tvengine will carry out any number of concurrent tunes and of of these could collide in critical parts of the code that ought to be thread safe.

    4. Repeat until stop
    Should the entire test repeat itself after the last auto generated virtual user.
    note: Repeating a test will generate new randomized virtual users.
    So no test-run is the same.

    To test a single card, u should :
    enable only this specifc card.
    users: 1
    sync: on
    repeat: on


    edit: the wiki is a bit wrong regarding mSec.

    mSec in channel tune list:
    How long it took to tune the channel.

    mSec average
    How long (average time) it takes to tune channels.

    in other words "msec" has nothing to do with how long the channel is timeshifted.
    its quite useful to see how fast your card performs. a driver update can affect this number as well in both directions.

    anyone: feel free to copy this to the wiki :)

    /gibman
     

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