[MPlayer-users] Very slow play with gl default

[Kevin DeKorte]

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On 02/27/2010 09:34 AM, Reimar Döffinger wrote:
> On Sat, Feb 27, 2010 at 05:16:12PM +0100, Etienne Buira wrote:
>> r30759 plays some "normal" video files (25 fps) at around 1 fps when using
>> gl as default output (why that default?).
> 
> Well, because x11 is bad, always and no exceptions.
> gl either is really good or makes it really obvious that something is wrong.
> My impression was that a lot of people end up using x11 because the forgot
> to install the xv headers.
> I'd like to void defaulting to OpenGL when software rendering is in use,
> however I don't know for sure how to detect that reliably.
> Could you send the output of glxinfo on your machine?

Reimar,

I actually disagree that x11 is always bad, at least you get a picture
with it, it may have tearing or other wierdness, but at least it works.
When the radeon r6xx drivers were first available x11 was the only
option and I was able to play most video (except large ones). As xv and
gl support has emerged for the card, xv is still the best output.

using mplayer gl output when combined with gnome-mplayer. mplayer will
crash using SVN r30759. x11, xv and gl2 all work fine. I am using mesa
from git.

Kevin

(chopped output, if you want a full backtrace I will be happy to send it)

[swscaler @ 0x895c5a0]using unscaled yuv420p -> yuv420p special converter
VO: [gl] 848x480 => 848x480 Planar YV12
Resizing to 848 x 480
current size = 0 x 0
Changing window size to 848 x 480 visible = 1
media size = 848 x 480
ERROR: X11 error: BadMatch (invalid parameter attributes)
ERROR: Failed to get value of property 'sub_demux'.
*** glibc detected *** mplayer: double free or corruption (out):
0x0a5c3f60 ***
======= Backtrace: =========
/lib/libc.so.6[0x376751]
/usr/lib/dri/r600_dri.so(+0x13482)[0xf692c482]
/usr/lib/dri/r600_dri.so(+0x21370)[0xf693a370]
/usr/lib/dri/r600_dri.so(+0xfcb3a)[0xf6a15b3a]
mplayer(glSetupYUVConversion+0xcbc)[0x80a6368]
[0x2]


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