Em sex 14 mar 2014, às 10:06:48, Jason H escreveu:
> http://en.wikipedia.org/wiki/YUV
>
>
> "The YPbPr color model used in analog component video and its digital
> version YCbCr used in digital video are more or less derived from it, and
> are sometimes called Y'UV. (CB/PB and CR/PRare deviations
And from http://en.wikipedia.org/wiki/NTSC (hit send accidentally)
"In January 1950, the Committee was reconstituted to standardize color
television. In December 1953, it unanimously approved what is now called the
NTSC color television standard (later defined as RS-170a). The "compatible
colo
http://en.wikipedia.org/wiki/YUV
"The YPbPr color model used in analog component video and its digital version
YCbCr used in digital video are more or less derived from it, and are sometimes
called Y'UV. (CB/PB and CR/PRare deviations from grey on blue–yellow and
red–cyan axes, whereas U and V
Em sex 14 mar 2014, às 08:47:15, Jason H escreveu:
> The frame is not laid out like RGB. This is for legacy reasons. Black and
> White TV presented a black and white frame (Y) when color TV was added, it
> was added in a backwards-compatible way
This has nothing to do with black & white TV. Digita
By the way, RGB is a "display device optimized" format. Meanwhile the video
formats are for broadcast and analog amplifiers (TVs).
You also might want to look into not bits(), but scanLine().
Also Thiago contributed this code:
It requires SSSE3:
_m128i control = _mm_set_epi32(0xff030303, 0
Haha, I went through his 6 weeks ago, but I only needed the Y channel.
The frame is not laid out like RGB. This is for legacy reasons. Black and White
TV presented a black and white frame (Y) when color TV was added, it was added
in a backwards-compatible way, with that data between the Y frames
Hi, I'm trying to create a QImage from a QVideoFrame but my video has YUV420P
format so converting it's not easy for me at all. By using a snippet from
histogram class from the player example provided by Qt I was able to read each
pixel on the frame but my question is: who can I decompose Y, Cb
Regarding Question 1: I am basically trying to achieve the "Classic Style"
of the wizard as shown in the link
http://qt-project.org/doc/qt-4.8/qwizard.html#WizardOption-enum.
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Hello,
I went through the Qt-IF documentation may be 3 to 4 times, went through all
the examples, did some trial and error but still not able to get hold of few
things, in fact many things. Hoping to get some answers from the experts.
Question1: I want to get rid of the Header part of the I
Ah, that was it! I had one build config that built in-source. Thanks a lot
:-)
- Thomas
On Thu, Mar 13, 2014 at 11:54 PM, Thiago Macieira wrote:
> Em qui 13 mar 2014, às 22:25:16, Thomas Sevaldrud escreveu:
> > Hi,
> >
> > I've a very strange problem with my QTest unit tests. I use the QTest
>
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