[MPlayer-dev-eng] [PATCH] silence compiling warning on vo_corevideo

[Xidorn Quan]

On Thu, Sep 13, 2012 at 4:30 PM, Zongyao Qu <zongyao.qu at gmail.com> wrote:
>
> There is a sepcial variable for 0, please use kIOPMNullAssertionID.
>
>> kIOPMAssertionTypeNoDisplaySleep
>
> This one is not compatible with 10.8, since there is a more aggressive
> policy on PM in 10.8.
>
> Please use
> kIOPMAssertionTypePreventUserIdleDisplaySleep
> and
> IOPMAssertionDeclareUserActivity()
> for 10.7 or above.
>
> Please let me explain,
> kIOPMAssertionTypePreventUserIdleDisplaySleep will help
> you to avoid display dimming as long as you hold the assertionID,
> but once you release it after the power management timer times out,
> for example, playback finished, or paused by AppleRemote,
> the display will dimmed out ASAP.
>
> And also, if you assert it when display is already dimmed out, it will
> NOT wake up automatically, so IOPMAssertionDeclareUserActivity() should
> be used with the assertion/release.
>
> This is the new behavior in 10.8.

I accept your proposal though I didn't find anything in the documents
declared that kIOPMAssertionTypeNoDisplaySleep is not compatible
with 10.8, and it worked fine for my 10.8 as well.
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