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jowski

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Reply with quote  #1 
Figured that a new thread for the Raspberry Pi family might be in order so here goes.

Also ran across this in some old bookmarks of mine.  Darksky was wondering about a free player, etc. and ffmpeg is of the mplayer family.  This is a How To for compiling ffmpeg for the Pi.

https://trac.ffmpeg.org/wiki/CompilationGuide/RaspberryPi

Jim

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DarkSky

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Reply with quote  #2 
Good idea for a new thread. I was thinking the other day some of the threads were starting to get off topic.

Debian and their forks started removing ffmeg and started going with avconv. I think maybe partly because ffmpeg is starting to be  classified as non-free; what ever that means. So the multimedia programs in their repo's are geared to using avconv.

Avconv has been an issue in the past and would rather have ffmpeg. Getting both to co-exist on a system was a problem for me in the past when I was messing with it. Things may have gotten better now; just have not revisited it.
jowski

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Never thought that ffmpeg was straying from the free path.  Not sure why it wouldn't be since I always thought it was a derivative of mplayer.  (But what the heck do I know???)  I'll still take a whack at compiling it for the Pi.  I've done crazier things for less money.  [smile]

Is avconv that good?  If it's easier to make and use then I'm interested.

In my searches after reading the ffmpeg how-to, I found a powered USB hub Frys # 7200823 at frys.com for $9.99 and $3.99 shipping.  It has 7 ports and sounds like something we Pi people should consider.  No point in having unplanned reboots due to power shortages.  That's something the Windoze folks should only have to deal with.

Jim

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DarkSky

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Reply with quote  #4 
I believe ffmpeg has to capability to play a lot of codecs that may not be free. When it was in the repo's they compiled it by crippling it. You had to replace some libs with names ending with extra.

Avoconv command line is similar to ffmpeg. Seems like ffmpeg likes to change up the switches from time to time with different versions.

You have to be carefull about getting powered hubs. People are getting them and are getting blind sided. Research on the forums and see what is working right for people. Maybe get a small UPS.

Avconv is in the libav-tools package in the repo.
DarkSky

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Reply with quote  #5 
By the way Jim make notes on any issues you run across on my new image. Andy has run across one already that I think was related to the wheezy/jessie upgrade. I have already reduced the size using bleachbit down to 2.65G uncompressed today. I am trying to get the size of the image for a better download for people.

I have also upgraded the kernel to 4.1.0-v7. Andy is testing it right now along with me. I gave majortom a link to the kernel upgrade tarball also to test. If you want a link to the tarball let me know. It only takes a few minutes to upgrade. The tarball is 40M.
jowski

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This one has an external wall wart.  If nothing else it'll be an early Christmas present to one of the dogs.

Jim

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DarkSky

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I know what you mean with the dogs. I was given a puppy 3 weeks ago. I forgot how it was walking around with no shoe laces and the back end of my shoes chewed off. Part of being a proud new puppy owner.
jowski

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Reply with quote  #8 
DVB, computers, Pi's, and Linux all give new meaning to the phrase going to the dogs.

I can always use a new link or two.  The only thing I've noticed is the updateDVB scan on the Pi is inconsistant.  Not sure but I think it's Pi related.  Sometimes I get signals and others the "known" signals are flat lines near zero.  Maybe the Pi isn't scanning fast enough but on the x86 the scan is reliable.

Jim

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DarkSky

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Reply with quote  #9 
All I have to test is the atsc 950Q but the scans are always the same and no different from my x64.

Does a little rainbow colored square appear for a second or two when it is scanning on your desktop?
jowski

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Quote:
Originally Posted by DarkSky
All I have to test is the atsc 950Q but the scans are always the same and no different from my x64.

Does a little rainbow colored square appear for a second or two when it is scanning on your desktop?


Nope.  This is your static build for both the Pi and x86.

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DarkSky

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Reply with quote  #11 
The rainbow colored square is supposed to be a low voltage indicator. The updatedvb binary that I had in the image you got this week is a regular standard shared binary. You also have qt/qwt and tune-s2 installed. The static bin I posted a while back for the rpi2b if you downloaded it is an older bin. I have not tested it in a while. Majortom may still be using it.

The only problem I have with my 950Q is the same issue on both my x64 and rpi2b involving a newer firmware it uses that is different than what others use for their 950Q and it is in the tuning window. I have just learned to live with it over the last few months. Sometimes it will not parse and have to close out the tuning window and bring it back up.

Other than that I'm kinda at a loss because I am not seeing that issue here with my tuner. You might post which card and maybe UDL might have some input.
jowski

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Reply with quote  #12 
It's an EVGA inDtube and neither the Pi or the x86 has the rainbow.  No biggie.  In the next few days I'll get Qt on the Pi and see if it smokes.

Jim

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DarkSky

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Reply with quote  #13 
The rainbow Square is a low voltage warning feature that pops up in the pi only. You will see it pop up with lots of usb devices plugged in or with over voltages and heavy processor use. It is already installed.

You do not need to compile and install qt or qwt. I have already done it. Qt is in /opt/qt5 and qwt is in /usr/local/qwt-6.1.3-svn. updatedvb source is in ~/src/updatedvb; That is where the link on your desktop points to.

I do not rember anyone having a EVGA inDtube tuner. Do you have another device such as dvb to test and see if it does the same thing.

"Sometimes I get signals and others the "known" signals are flat lines near zero.  Maybe the Pi isn't scanning fast enough but on the x86 the scan is reliable"

I timed my 950Q and it took 37.3 sec to do a Spectrum scan.

Andy has a TBS5925 that does a
Spectrum scan in 2.2 seconds on the pi.

http://rickcaylor.websitetoolbox.com/post/show_single_post?pid=1287768931&postcount=2014
andyinyakima

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Reply with quote  #14 
Quote:
Originally Posted by DarkSky
The rainbow colored square is supposed to be a low voltage indicator. The updatedvb binary that I had in the image you got this week is a regular standard shared binary. You also have qt/qwt and tune-s2 installed. The static bin I posted a while back for the rpi2b if you downloaded it is an older bin. I have not tested it in a while. Majortom may still be using it.

The only problem I have with my 950Q is the same issue on both my x64 and rpi2b involving a newer firmware it uses that is different than what others use for their 950Q and it is in the tuning window. I have just learned to live with it over the last few months. Sometimes it will not parse and have to close out the tuning window and bring it back up.

Other than that I'm kinda at a loss because I am not seeing that issue here with my tuner. You might post which card and maybe UDL might have some input.


Speaking of tune-s2 is what happensdesktop 1_005.png 
to my Pi.

Can I load what I need?


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majortom

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Reply with quote  #15 
You need to install libgps (and libgps-dev if ya wanna recompile it sometime)
I mentioned this in the readme of the forked tune-atsc, but never mentioned it in the forked tune-s2 when I merged the two programs in to one.

"-added gps to the stats output. prints date, time, lat, lon, alt, spd from gps using gpsd. Be sure to install libgps and libgps-dev"

Darksky, the inDtube atsc tuner I have works fine. It's Spectrum scan is slower than the 950Q, but it works.
I think it's a chipset generation earlier than what the 950Q uses (XC3028L inDtube vs XC5000 in 950Q), as well as a different frontend,
so not surprising.

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