[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

Christian K?nig  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #8 from Christian K?nig  ---
Since DPM is available for a while now I think we can close this bug.

Any objections?

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #7 from Andy Furniss  2012-06-04 
03:39:30 PDT ---
(In reply to comment #3)

> I use a "real card" so even if 40mbit worked for me, it wouldn't mean anything
> for you I guess.
> 
> I'll make one and try soon - AFK for tonight.

I tried and there doesn't seem any problem for me with 42mbit.

For me using GPU will only beat CPU in a benchmark if I pretend I have a low
clock single core.

mpeg2 decode on x86 CPUs is well optimised - maybe mplayer2 used threads by
default, but whatever if have >1 core and use them I don't think you will ever
beat s/w decode with your GPU.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #6 from Pasi K?rkk?inen  2012-06-04 03:18:50 PDT 
---
(In reply to comment #5)
> Those integrated chipsets like IGPs and APUs current don't have a full power
> management implementation. So they are running with whatever is the (very 
> slow)
> default speed the BIOS is programming at boot.
> 

Uhm.. at least my Mobility Radeon HD3650 runs very *hot* as a default.. so hot
that most/many liveCD Linux distros crash before the computer boots to the
desktop. Or then Linux does emergency thermal shutdown halfway the boot
sequence as a safety measure.. 

The default radeon driver power_profile ("default") seems to be broken at least
on this graphics card. When I manually switch to power_profile "low" the
temperature of the laptop goes down 10-20 degrees celsius.

> Alex is working on advanced power management, so I'm not so deep into it, but
> AFAIK this should be improving in the near future.
> 

Oh, this is good news. Any more info about it? 

Thanks,

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #6 from Pasi Kärkkäinen pa...@iki.fi 2012-06-04 03:18:50 PDT ---
(In reply to comment #5)
 Those integrated chipsets like IGPs and APUs current don't have a full power
 management implementation. So they are running with whatever is the (very 
 slow)
 default speed the BIOS is programming at boot.
 

Uhm.. at least my Mobility Radeon HD3650 runs very *hot* as a default.. so hot
that most/many liveCD Linux distros crash before the computer boots to the
desktop. Or then Linux does emergency thermal shutdown halfway the boot
sequence as a safety measure.. 

The default radeon driver power_profile (default) seems to be broken at least
on this graphics card. When I manually switch to power_profile low the
temperature of the laptop goes down 10-20 degrees celsius.

 Alex is working on advanced power management, so I'm not so deep into it, but
 AFAIK this should be improving in the near future.
 

Oh, this is good news. Any more info about it? 

Thanks,

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #7 from Andy Furniss li...@andyfurniss.entadsl.com 2012-06-04 
03:39:30 PDT ---
(In reply to comment #3)

 I use a real card so even if 40mbit worked for me, it wouldn't mean anything
 for you I guess.
 
 I'll make one and try soon - AFK for tonight.

I tried and there doesn't seem any problem for me with 42mbit.

For me using GPU will only beat CPU in a benchmark if I pretend I have a low
clock single core.

mpeg2 decode on x86 CPUs is well optimised - maybe mplayer2 used threads by
default, but whatever if have 1 core and use them I don't think you will ever
beat s/w decode with your GPU.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #5 from Christian König deathsim...@vodafone.de 2012-06-03 
03:58:12 PDT ---
Those integrated chipsets like IGPs and APUs current don't have a full power
management implementation. So they are running with whatever is the (very slow)
default speed the BIOS is programming at boot.

Alex is working on advanced power management, so I'm not so deep into it, but
AFAIK this should be improving in the near future.

Also it is not limited to MPEG2 decoding with the 3D engine, 3D in general is
far to slow on those chipsets.

Christian.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #4 from nathanhi  2012-06-02 
14:15:58 PDT ---
>> Ahh, I am using mplayer1.

Well, I also tried it with mplayer1 - The results are the same.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

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https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #3 from Andy Furniss  2012-06-02 
13:29:04 PDT ---
(In reply to comment #2)
> >> mplayer -vo vdpau:fps=-1 -vc ffmpeg12vdpau: MPlayer: 14%, Xorg: 6,3% ( 
> >> Your
> >> system is too SLOW to play this!  ) -> Too slow! 1-10 fps
> >
> > I am curious what -vo vdpau:fps=-1 means. Using svn mplayer that just 
> > throws an
> > unknown vdpau parameter for me.
> 
> -vo vdpau:fps=-1 disables all framedrop logic and timing adjustments. Are you
> using mplayer1 or 2?

Ahh, I am using mplayer1.

Maybe trying with that would be worth a go - or maybe 40mbit is just too much
for onboard GPU.

I use a "real card" so even if 40mbit worked for me, it wouldn't mean anything
for you I guess.

I'll make one and try soon - AFK for tonight.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

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https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #2 from nathanhi  2012-06-02 
12:06:12 PDT ---
>> mplayer -vo vdpau:fps=-1 -vc ffmpeg12vdpau: MPlayer: 14%, Xorg: 6,3% ( 
>> Your
>> system is too SLOW to play this!  ) -> Too slow! 1-10 fps
>
> I am curious what -vo vdpau:fps=-1 means. Using svn mplayer that just throws 
> an
> unknown vdpau parameter for me.

-vo vdpau:fps=-1 disables all framedrop logic and timing adjustments. Are you
using mplayer1 or 2?

Source: man mplayer2:

fps=
Override autodetected display refresh rate value (the value is needed for
framedrop to allow video playback rates  higher  than
  display refresh rate, and for vsync-aware frame timing
adjustments).  Default 0 means use autodetected value.  A positive value
  is interpreted as a refresh rate in Hz and overrides the
autodetected value.  A negative value disables all  timing  adjustment
  and framedrop logic.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

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https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #1 from Andy Furniss  2012-06-02 
11:33:15 PDT ---
(In reply to comment #0)


> mplayer -vo vdpau:fps=-1 -vc ffmpeg12vdpau: MPlayer: 14%, Xorg: 6,3% ( 
> Your
> system is too SLOW to play this!  ) -> Too slow! 1-10 fps

I am curious what -vo vdpau:fps=-1 means. Using svn mplayer that just throws an
unknown vdpau parameter for me.

FWIW R600 + -vc ffmpeg12vdpau doesn't quite produce perfect output anyway.
There are some cumulative errors that build between I frames. Depending on
content and how close you look they may or may not be obvioius.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

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https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #1 from Andy Furniss li...@andyfurniss.entadsl.com 2012-06-02 
11:33:15 PDT ---
(In reply to comment #0)


 mplayer -vo vdpau:fps=-1 -vc ffmpeg12vdpau: MPlayer: 14%, Xorg: 6,3% ( 
 Your
 system is too SLOW to play this!  ) - Too slow! 1-10 fps

I am curious what -vo vdpau:fps=-1 means. Using svn mplayer that just throws an
unknown vdpau parameter for me.

FWIW R600 + -vc ffmpeg12vdpau doesn't quite produce perfect output anyway.
There are some cumulative errors that build between I frames. Depending on
content and how close you look they may or may not be obvioius.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #2 from nathanhi nathanhirscha...@verfriemelt.org 2012-06-02 
12:06:12 PDT ---
 mplayer -vo vdpau:fps=-1 -vc ffmpeg12vdpau: MPlayer: 14%, Xorg: 6,3% ( 
 Your
 system is too SLOW to play this!  ) - Too slow! 1-10 fps

 I am curious what -vo vdpau:fps=-1 means. Using svn mplayer that just throws 
 an
 unknown vdpau parameter for me.

-vo vdpau:fps=-1 disables all framedrop logic and timing adjustments. Are you
using mplayer1 or 2?

Source: man mplayer2:

fps=number
Override autodetected display refresh rate value (the value is needed for
framedrop to allow video playback rates  higher  than
  display refresh rate, and for vsync-aware frame timing
adjustments).  Default 0 means use autodetected value.  A positive value
  is interpreted as a refresh rate in Hz and overrides the
autodetected value.  A negative value disables all  timing  adjustment
  and framedrop logic.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #3 from Andy Furniss li...@andyfurniss.entadsl.com 2012-06-02 
13:29:04 PDT ---
(In reply to comment #2)
  mplayer -vo vdpau:fps=-1 -vc ffmpeg12vdpau: MPlayer: 14%, Xorg: 6,3% ( 
  Your
  system is too SLOW to play this!  ) - Too slow! 1-10 fps
 
  I am curious what -vo vdpau:fps=-1 means. Using svn mplayer that just 
  throws an
  unknown vdpau parameter for me.
 
 -vo vdpau:fps=-1 disables all framedrop logic and timing adjustments. Are you
 using mplayer1 or 2?

Ahh, I am using mplayer1.

Maybe trying with that would be worth a go - or maybe 40mbit is just too much
for onboard GPU.

I use a real card so even if 40mbit worked for me, it wouldn't mean anything
for you I guess.

I'll make one and try soon - AFK for tonight.

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[Bug 50618] Slow video playback with 40mbits mpeg2+vdpau

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50618

--- Comment #4 from nathanhi nathanhirscha...@verfriemelt.org 2012-06-02 
14:15:58 PDT ---
 Ahh, I am using mplayer1.

Well, I also tried it with mplayer1 - The results are the same.

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