Displaying 20 results from an estimated 45 matches for "luma".
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2010 May 17
6
validates_timeliness plugin installation
...ap/validates_timeliness.git
./script/plugin: command not found
on windows (as admin) in my rails project directory:
ruby script/plugin install git://github.com/adzap/validates_timeliness.git
creates the "validates_timeliness" directory, but it''s empty...
What''s wrong?
Luma
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2008 Jul 21
2
webrick needs 80 seconds for starting
...) [i386-mswin32]
[2008-07-21 08:07:17] INFO WEBrick::HTTPServer#start: pid=4664
port=3000
Probably, it''s silly, but I have no idea why it takes so long, both on
win xp and vista. I have 30 db-tables, 100 migrations, and 20000 lines
of code. Clearing development.log didn''t help.
Luma
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2006 Jun 26
1
libtheora API documentation
Hi,
The documentation for the libtheora API is a little bit sparse - for
example, information about whether yuv_buffer structs should be
managed by the user or the library is missing. From talking to derf,
and from what I can see in the example files, the user allocates the
struct but not the luma/chroma buffers on decode; and the user
allocates both the struct and the luma/chroma buffers on encode.
I've made some small additions to the documentation explaining this.
Should I send these changes? If so, do you have any guidelines for
patch format?
If it'll be useful, I may continue...
2008 Mar 20
1
Clarification of specification
Hi
I'm trying to make sense of the macroblock coding modes in section 7.4 of
the Theora spec.
The text in the specification is:
(d) For each consecutive macro block in coded order (cf. Section 2.4)
indexed by mbi:
i. If a block bi in the luma plane of macro block mbi exists such
that BCODED[bi ] is 1:
A. If MSCHEME is not 7, read one bit at a time until one of
the Huffman codes in Table 7.19 is recognized, and assign
MBMODES[mbi] the value MALPHABET[mi], where mi
is the index of the Huffm...
2011 May 19
2
trouble with summary tables with several variables using aggregate function
Dear all,
I am having trouble creating summary tables using aggregate function.
given the following table:
Var1 Var2 Var3 dummy
S1 T1 I 1
S1 T1 I 1
S1 T1 D 1
S1 T1 D 1
S1 T2 I 1
S1 T2 I 1
S1 T2 D 1
S1 T2 D 1
S2
2011 Mar 24
1
Various typo in spec
...between block, macro
block and super block ?
* A problem with motion vectors :
- How motion vector are decoded ?
In the specification, it is said :
"Each component can take on integer values from -31 . . . 31, inclusive, at
half-pixel resolution, i.e. -15.5 . . . 15.5 pixels in the luma plane.
For each sub-
sampled axis in the chroma planes, the corresponding motion vector
component
is interpreted as being at quarter-pixel resolution, i.e. -7.75 . . .
7.75 pixels. The
precise details of how these vectors are used to compute predictors for
each
block are described in Section 7....
2014 Aug 06
16
[Bug 82255] New: [VP2] Chroma planes are vertically stretched during VDPAU playback
...Product: Mesa
Created attachment 104158
--> https://bugs.freedesktop.org/attachment.cgi?id=104158&action=edit
VDPAU_TRACE=1 vlc
Using VLC and flashplayer causes h264 video streams to be incorrectly rendered.
Both chroma planes are stretched and wrapped over vertically (x2) while the
luma plane seems correct.
Note: the issue does not appear with every h264 encoded clip and never happens
with mplayer (a bug in mplayer perhaps ?).
The following clip [1] is known to exhibit the issue, attaching VDPAU_TRACE=1
log of VLC playback.
How to enable/force VLC (v2.1.5) + VDPAU:
- Fire up...
2018 Apr 16
1
NHW Project - quality improvement for -l4,-l5 settings
Hello,
I have improved quality for -l4 and -l5 high compression settings.These
settings are now really better and very competitive, I now prefer them
compared to x265 (HEVC).
Update at: http://nhwcodec.blogspot.com/
I am also working on -l6 quality setting, I can simply increase
quantization for it but I am not totally satisfied with this solution for
now... Looking for more advanced processing
2006 Jan 18
0
PING users of Manuel Guesdon's LDAP extensions
What do you use to administer the PBX accounts? (Please don't tell me LDIF
text files). Any luck with Luma? (http://luma.sourceforge.net)
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2009 Jul 05
2
GUI Front End for OpenLDAP admin (users & groups)
Does there exist a GUI Front End for OpenLDAP admin for CentOS 5 (RHEL
5)?
The binary (i386) rpm for directory_adminstrator works just fine with
CentOS 4, but does't install under CentOS 5 and the src RPM does not
build (I hacked the spec file and did install the build deps, but it is
using an old hack for finding libgnome (/usr/lib/gnomeConf.sh or
something like that).
I installed
2008 Sep 19
1
LDAP-Backend: How to store 'employeeNumber' in 'sambaGroupMapping'?
Hello,
this is a little bit off-topic, because it is rather LDAP related. I need to store an additional string in every 'posixGroup/sambaGroupMapping' object in the LDAP backend. (This string is used to hold an key to an external database.)
For user accounts I can use the 'employeeNumber' attribute which is provided by 'inetOrgPerson'. Any ideas what I could use for group
2013 Sep 08
1
[PATCH] drm/nv10/plane: add plane support for nv10-nv40
...NULL;
+ }
+
+ return 0;
+}
+
+static void
+nv10_destroy_plane(struct drm_plane *plane)
+{
+ nv10_disable_plane(plane);
+ drm_plane_cleanup(plane);
+ kfree(plane);
+}
+
+static void
+nv10_set_params(struct nouveau_plane *plane)
+{
+ struct nouveau_device *dev = nouveau_dev(plane->base.dev);
+ u32 luma = (plane->brightness - 512) << 16 | plane->contrast;
+ u32 chroma = ((sin_mul(plane->hue, plane->saturation) & 0xffff) << 16) |
+ (cos_mul(plane->hue, plane->saturation) & 0xffff);
+ u32 format = 0;
+
+ nv_wr32(dev, NV_PVIDEO_LUMINANCE(0), luma);
+ nv_wr32(dev...
2018 Feb 20
4
[PATCH] drm/nouveau: Replace the iturbt_709 prop with the standarad COLOR_ENCODNIG prop
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Replace the ad-hoc iturbt_709 property with the new standard
COLOR_ENCODING property. Compiles, but not tested.
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: nouveau at lists.freedesktop.org
Cc: Ben Skeggs <bskeggs at redhat.com>
Cc: Ilia Mirkin <imirkin at alum.mit.edu>
Signed-off-by: Ville Syrjälä <ville.syrjala at
2021 Dec 02
1
NHW Project development
...few images, I don't think I contradict the
compression and information theory principles, I think it is more a corner
case that I did not see for now and so that I don't handle, but it takes a
lot of time... I'll also have to better handle the chroma channels and
notably add chroma from luma technique.
Some people also tell me that the priority now is to adapt NHW to any image
size, but actually this is the boring task for me currently, and I am a
little reluctant for now.
All that to let you know that I really like more to work on my codec, and
so I would like now to work full-time...
2005 Nov 08
2
OggYUV
Here's a shot at a list of fields:
// High level data
Displayed Width&Height
Stored Width&Height
Aspect Ratio (Fractional)
Frame Rate (Fractional)
FourCC (Optional, set to zero to use values below)
Colorspace (enum, R'G'B', Y'CbCr, JPEG (not sure proper name), etc)
// Subsampling data
U Channel X Sample Rate (Fractional)
U Channel Y Sample Rate (Fractional)
U Channel
2016 Mar 23
1
Very odd issue w/ a CentOS 6 system
...or the kernel on boot. Currently, I have, in /etc/modprobe.d/bttv:
>> >> options i2c-algo-bit bit_test=1
>> >> options bttv gbuffers=16 card=98,98,98,98,98,98,98,98
>> >> radio=0,0,0,0,0,0,0,0 tuner=4,4,4,4,4,4,4,4 chroma_agc=1 combfilter=2
>> >> full_luma_range=1 coring=1
>> >
>> > The options line 1 is used widely and only worth changing if all else
>> > fails.
>> >
>> > The second options line option of combfilter by docs indicate there is
>> > no 2 option and is enabled by default, so you can...
2021 Dec 02
1
NHW Project development
...es, I don't think I contradict the compression and
information theory principles, I think it is more a corner case that I
did not see for now and so that I don't handle, but it takes a lot of
time... I'll also have to better handle the chroma channels and notably
add chroma from luma technique.
Some people also tell me that the priority now is to adapt NHW to any
image size, but actually this is the boring task for me currently, and I
am a little reluctant for now.
All that to let you know that I really like more to work on my codec,
and so I would like now to w...
2010 Aug 06
4
nv vpe video decoder
Hello,
I have my work on the nv vpe video decoder in a functional
state. In case you didn't know this decoder accelerates mpeg2
video at the idct/mc level. I have verified that it works on
nv40 hardware. I believe it works on nv30 hardware (and
maybe some earlier hardware), but I cannot verify since I have
none.
I will reply with patches against the kernel, drm, ddx
and mesa for
2016 Mar 23
2
Very odd issue w/ a CentOS 6 system
...;s something I can tell
>> it,or the kernel on boot. Currently, I have, in /etc/modprobe.d/bttv:
>> options i2c-algo-bit bit_test=1
>> options bttv gbuffers=16 card=98,98,98,98,98,98,98,98
>> radio=0,0,0,0,0,0,0,0 tuner=4,4,4,4,4,4,4,4 chroma_agc=1 combfilter=2
>> full_luma_range=1 coring=1
>
> The options line 1 is used widely and only worth changing if all else
> fails.
>
> The second options line option of combfilter by docs indicate there is
> no 2 option and is enabled by default, so you can remove that option to
> test.
>
> I would ena...
2021 Dec 02
1
NHW Project development
...9;t think I contradict the
> compression and information theory principles, I think it is more a corner
> case that I did not see for now and so that I don't handle, but it takes a
> lot of time... I'll also have to better handle the chroma channels and
> notably add chroma from luma technique.
>
> Some people also tell me that the priority now is to adapt NHW to any
> image size, but actually this is the boring task for me currently, and I am
> a little reluctant for now.
>
> All that to let you know that I really like more to work on my codec, and
> so I...