Torran
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Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 10:42 am

I have had a Pi for a while (although don't have too many uses for it right now) and was wondering if it is capable of viewing 60fps video at 1080p? And also, I have a Model B with a USB Hub, would it be worth getting a Model B+?

Thanks

jamesh
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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 11:38 am

30fps at 1080p I am afraid.

Cannot really comment on worthwhileness of the B+, that's up to you!
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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 11:39 am

what video do you have that is 60fps 1080p?
and a model B+ is great - but wont affect video
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dom
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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 11:57 am

jamesh wrote:30fps at 1080p I am afraid.
While the chip is targetted for 1080p30, I have many 1080p60 clips that play just fine. It will depend on bitrate and encoding options used.

If you post a sample file i can check if it works.

It won't make much difference if you use a B or B+.

Torran
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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 12:21 pm

Well I was mainly thinking about the recent increase in 60fps video everywhere, like YouTube for example.
As for the Model B+ question, that was more in general rather than video related.

https://www.youtube.com/playlist?list=P ... oRKj7funAy
Here's a YouTube playlist containing 60fps video, need to be in 1080p HD to activate.

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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 12:32 pm

dom wrote:
jamesh wrote:30fps at 1080p I am afraid.
While the chip is targetted for 1080p30, I have many 1080p60 clips that play just fine. It will depend on bitrate and encoding options used.

If you post a sample file i can check if it works.

It won't make much difference if you use a B or B+.
Ah, thanks Dom. After I'd written that I did start to wonder. Pretty sure the encode is limited to 30 though.

A bit like another Q that came up yesterday - is the max display refresh rate 60Hz? Or can we go higher on that as well?
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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 1:08 pm

Torran wrote:Well I was mainly thinking about the recent increase in 60fps video everywhere, like YouTube for example.
As for the Model B+ question, that was more in general rather than video related.

https://www.youtube.com/playlist?list=P ... oRKj7funAy
Here's a YouTube playlist containing 60fps video, need to be in 1080p HD to activate.
Just tested them in omxplayerGUI: all run nicely.
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dom
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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 1:30 pm

jamesh wrote:A bit like another Q that came up yesterday - is the max display refresh rate 60Hz? Or can we go higher on that as well?
I think there's just a pixel clock limit (and that is overclockable). So lower resolution + higher refresh should be possible.

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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 4:50 pm

Thanks for the help guys, will probably get the Model B+ asap so I can get rid of the USB Hub, already running out of plug sockets!
I'd assume there are already cases made for it?

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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 6:19 pm

Torran wrote:Thanks for the help guys, will probably get the Model B+ asap so I can get rid of the USB Hub, already running out of plug sockets!
I'd assume there are already cases made for it?
Yes, I'm sure there are many options, but here is one:
http://shop.pimoroni.com/products/b-pibow-coupe

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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 6:31 pm

Oh that looks quite nice, thanks!

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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 7:01 pm

Sorry for double post, not sure about the rules on that here..
One last thing I was wondering but forgot about.. Are the USB ports affected (speed/stability wise) if the ethernet port is in use?

Thanks

dom
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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 8:16 pm

Torran wrote:Sorry for double post, not sure about the rules on that here..
One last thing I was wondering but forgot about.. Are the USB ports affected (speed/stability wise) if the ethernet port is in use?
Ethernet is a USB device, so they share bandwidth, but it shouldn't be a problem for video bitrates.
(Youtube 1080p video < 10Mbit/s, Blu-Ray ~ 40Mbit/s, ethernet ~100Mbit/s, USB2 ~280Mbit/s)

Ethernet + USB disk is a common use case for Pi, and most users have no problems.

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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 8:36 pm

dom wrote:
jamesh wrote:A bit like another Q that came up yesterday - is the max display refresh rate 60Hz? Or can we go higher on that as well?
I think there's just a pixel clock limit (and that is overclockable). So lower resolution + higher refresh should be possible.
It is VERY overclockable.
4K at 50 fps...

I imagine that the chips are sold underclocked.

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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 10:04 pm

mimi123 wrote:
dom wrote:
jamesh wrote:A bit like another Q that came up yesterday - is the max display refresh rate 60Hz? Or can we go higher on that as well?
I think there's just a pixel clock limit (and that is overclockable). So lower resolution + higher refresh should be possible.
It is VERY overclockable.
4K at 50 fps...

I imagine that the chips are sold underclocked.
Are there any videos of this? I've heard that the max HDMI 1.4a can handle is 4k 30fps. If this is true there are some killer projects that could be done with a 4k display and a pi.

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Re: Questions regarding 1080p 60fps video and Model B+

Mon Jul 21, 2014 11:33 pm

Jessie wrote:Are there any videos of this? I've heard that the max HDMI 1.4a can handle is 4k 30fps. If this is true there are some killer projects that could be done with a 4k display and a pi.
There's a screenshot of a 4K Pi desktop here:
http://www.raspberrypi.org/forums/viewt ... 38&t=79330

I've not seen a video.

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Re: Questions regarding 1080p 60fps video and Model B+

Tue Jul 22, 2014 2:36 am

Very nice, I could see even at 15hz a 4k screen making a nice photo frame with some interesting transitions.

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Re: Questions regarding 1080p 60fps video and Model B+

Tue Jul 22, 2014 2:57 pm

dom wrote:
jamesh wrote:A bit like another Q that came up yesterday - is the max display refresh rate 60Hz? Or can we go higher on that as well?
I think there's just a pixel clock limit (and that is overclockable). So lower resolution + higher refresh should be possible.
I've never tried out any of the high-refresh modes (don't have suitable displays) but http://www.raspberrypi.org/documentatio ... fig-txt.md lists modes up to 240Hz

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Re: Questions regarding 1080p 60fps video and Model B+

Wed Jul 23, 2014 3:40 pm

What's the borderline temp for a Raspberry Pi? I've got it in a Nwazet Tuxedo Case with 3 heatsinks on the board and while I was messing around with OpenELEC earlier, it reported that the board was currently at 140 F. This is without overclocking although I do plan to do that later to increase performance. When should I start getting worried? Thanks

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Re: Questions regarding 1080p 60fps video and Model B+

Wed Jul 23, 2014 3:48 pm

80 Deg C
176 Deg
approx
IIRC
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Re: Questions regarding 1080p 60fps video and Model B+

Thu Jul 24, 2014 12:24 am

The Pi automatically turns off overclocking if it gets to 85° C
http://www.raspberrypi.org/documentatio ... fig-txt.md

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Re: Questions regarding 1080p 60fps video and Model B+

Sun Jul 27, 2014 9:48 am

Back to 60fps.. I was messing around with my setup and tried to play the following 60fps video.. It was a little laggy, but I didn't try to tweak anything.. Was wondering if anyones setup can run it smoothly if they fancy trying?

http://distribution.bbb3d.renderfarming ... normal.mp4
http://distribution.bbb3d.renderfarming ... p4.torrent

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Re: Questions regarding 1080p 60fps video and Model B+

Sun Jul 27, 2014 11:11 am

It's running smoothly here! I've accelerated gpu_freq to 400 MHz and this includes the h264 unit.
It's also a good idea to use omxplayer's -r option ("refresh" in omxplayerGUI) to set your TV into the matching mode (1080p 60Hz)
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Torran
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Re: Questions regarding 1080p 60fps video and Model B+

Fri Aug 15, 2014 12:33 pm

Thought I'd hijack this topic a little.. YouTube has a minimal version made for HTML5 and the big screen, I like this a lot and it's what most set top boxes and smart TVs use http://youtube.com/tv

I was wondering if it'd ever be possible to get this working on the Pi? I've tried 2 HTML5 browsers but it either hangs on the YouTube logo or crashes the browser

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Re: Questions regarding 1080p 60fps video and Model B+

Fri Aug 15, 2014 12:44 pm

Torran wrote:Thought I'd hijack this topic a little.. YouTube has a minimal version made for HTML5 and the big screen, I like this a lot and it's what most set top boxes and smart TVs use http://youtube.com/tv

I was wondering if it'd ever be possible to get this working on the Pi? I've tried 2 HTML5 browsers but it either hangs on the YouTube logo or crashes the browser
Youtube HTML5 Player in either Minimal Kiosk Browser or Web (Epiphany) Web Browser is too jerky due to bad buffering, the solution is to use "youtube-dl & omxplayer" which is neatly packaged in the Minimal Kiosk Browser.

The best test of HTML5 / JS / CSS Video in a browser is http://www.videojs.com

By the way this has been covered in other recent postings more relevant to the subject matter you have posted
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