[MPlayer-users] MPlayer -priority high -noslices -double -droptions

[Bill Crockett]

----- Original Message ----- 
From: "Reimar Döffinger" <Reimar.Doeffinger at gmx.de>
Sent: Sunday, October 13, 2019 8:09 PM


> On 28.09.2019, at 02:33, "Bill Crockett" <wsc4 at optusnet.com.au> wrote:
>
>> I am using MPlayer to display 1920 x 1080p, 40 Mb/s videos.  AVC x.264.
>>
>> mplayer -priority high -noslices -double -dr a_video.avi
>>
>> I did see these options locked in on a few GUIs of MPlayer some years 
>> ago.
>>
>> I always use the "gl" OpenGL video output driver.  The man says: For 
>> optimal speed try adding the options ?dr ?noslices.
>>
>> -double
>>
>> Is this option called double buffering, and fixes flicker by storing two 
>> frames in memory, and displaying one while decoding another?  Is it more 
>> efficient?  Do I need it?
>
> I think it is the default. If you see flicker or tearing or other 
> artefacts it's a good idea to have it.
>
>> -dr
>>
>> Turns on direct rendering.  This can result in significantly faster 
>> blitting on some systems.
>>
>> ?noslices
>>
>> Disable drawing video by 16-pixel height slices/bands, instead draws the 
>> whole frame in a single run.
>>
>> Are these options not really needed for the videos I am using?
>
> Generally all these options are from a time 10+ years back when CPUs were 
> much slower and drivers much worse.
> They could give the extra 5% speed needed to play a video smoothly.
> It's unlikely there is much point in bothering with any of them nowadays, 
> especially if you do not actually have any issues.
> _______________________________________________

Thanks for your reply and info on this, Reimar.  This will save me typing 
out long commands and wearing out my fingers. :-)