Database Develop

Audio input

Has anyone figured a way to get audio input using the gpio pins. Or any other way that's not USB?

miguelcerca said:
Has anyone figured a way to get audio input using the gpio pins. Or any other way that's not USB?
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Yes people have, I would suggest taking a look a these well written guides from adafruit and other places on using inputs, and audio inputs using GPIO:
Using audio inputs with GPIO:
http://learn.adafruit.com/downloads/pdf/playing-sounds-and-using-buttons-with-raspberry-pi.pdf
http://learn.adafruit.com/playing-sounds-and-using-buttons-with-raspberry-pi/overview
Multiple Audio steams on GPIO
Using analog inputs:
http://learn.adafruit.com/reading-a-analog-in-and-controlling-audio-volume-with-the-raspberry-pi/overview
http://learn.adafruit.com/downloads/pdf/reading-a-analog-in-and-controlling-audio-volume-with-the-raspberry-pi.pdf

Thank's for those links, shimp208. Maybe you know is there a way to use HDMI output as input(eg. to capture video)

Broadcom's info page says:
High performance display outputs. Simultaneous high resolution LCD and HDMI with HDCP at 1080p60
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For embedded electronic, this usually means no input.

R: Audio input
Bretos said:
Thank's for those links, shimp208. Maybe you know is there a way to use HDMI output as input(eg. to capture video)
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You can't. Except for hdcp strippers like hdfury or hdcp-free capture boxes, the only devices accepting HDMI input are monitors and projectors.
Let me guess, you were trying to put up an HDMI recorder...
Sent from my Nexus S using xda app-developers app

There are some more addons listed here :
http://elinux.org/index.php?title=RPi_Expansion_Boards#Sound

shimp208 said:
Yes people have, I would suggest taking a look a these well written guides from adafruit and other places on using inputs, and audio inputs using GPIO:
Using audio inputs with GPIO:
http://learn.adafruit.com/downloads/pdf/playing-sounds-and-using-buttons-with-raspberry-pi.pdf
http://learn.adafruit.com/playing-sounds-and-using-buttons-with-raspberry-pi/overview
Multiple Audio steams on GPIO
Using analog inputs:
http://learn.adafruit.com/reading-a-analog-in-and-controlling-audio-volume-with-the-raspberry-pi/overview
http://learn.adafruit.com/downloads/pdf/reading-a-analog-in-and-controlling-audio-volume-with-the-raspberry-pi.pdf
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Click to collapse
This response is a little misleading. Those links are how use GPIO pins for controlling audio samples not actually using them for audio input.

oneway2k said:
This response is a little misleading. Those links are how use GPIO pins for controlling audio samples not actually using them for audio input.
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That is true now that I reread them though those links are almost 6 years out of date . If you have any further Raspberry Pi questions feel free to reach out to me.
Sent from my Pixel 3 using XDA Labs

On 720p TV Not Working but working on other 1080p

My TV is 720p old TV. Chrome starting up showing after that blank black screen only sound works. I tried with my friends TV its working Fine. Please tell me how to fix?
Sent from my Nexus 4 using xda premium

Plzzz help me guys
Sent from my Nexus 4 using xda premium

Bump
Sent from my Nexus 4 using xda premium

afdals said:
Bump
Sent from my Nexus 4 using xda premium
Click to expand...
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We have no idea or enough info to even try and help. It's like saying my car won't start but my neighbors does, what's wrong?
What TV do you have the issue with? Is it hooked up directly to the TVs HDMI port?
Have you tried a different HDMI cable?
How do you have the Chromecast connected, USB or outlet?
Dose it work with other HDMI TVs/monitors on YOUR network?
Have you tried casting from and Android device, PC or both?
Basically you have to give some details. All we have right now is:
1. older TV
2. 720p
3. Audio but no video
not much to go on.
I guess if it an older TV it's possible there's some kind of incapability.

I am having the same problem so I'll try and provide more info.
I am using Chromecast in hotels. These TVs have not been updated in ages. The current one I am checking on is a LG 32LC5DC TV. I believe it is a known issue that Chromecast can only display 1080p format. So basically the video does not work but audio does.
What I am curious about is that it worked one time on the same TV model. For the life of me, I cannot get it work again.

My chromecast works fine on an older 720P Samsung plasma that does not support a 1080P signal input. Not sure if the tv will accept 1080i.

Most likely the Chromecast is relying on the TV to report back via HDMI whether it supports 720p or 1080p, and then it selects the appropriate resolution. But if the TV is too old, it might not report anything, causing the Chromecast to default to 1080p.

I don't think the Chromecast does any auto-detect at all. On my 720p TV the info screen clearly shows that it's getting a 1080p signal. So Chromecast sends at 1080p no matter what, and if your TV does not display 1080p then it must be able to downconvert or it won't show any image at all.

In my experience the Chromecast does do some communication. I hooked it up to a VGA monitor through an HDfury2 (which doesn't scale) and the monitor reported a 720p (1280x720) signal.
Meanwhile my 1080p TV says it's getting 1080p.
On boot-up, the splash screen seems to be 480p, but I've never successfully gotten the Chromecast to output 480p past boot, despite disabling resolutions via EDID updates on the display end.

afdals said:
My TV is 720p old TV. Chrome starting up showing after that blank black screen only sound works. I tried with my friends TV its working Fine. Please tell me how to fix?
Sent from my Nexus 4 using xda premium
Click to expand...
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I have the same tv, i can not use my chromecast you have any solution ?????
sorry for my bad english

ricrob said:
I have the same tv, i can not use my chromecast you have any solution ?????
sorry for my bad english
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Please provide the manufacturer and model number of your TV.

bhiga said:
Please provide the manufacturer and model number of your TV.
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LG 32LC5DC
Model no: 32LC5DC - UA.AUSYLJT
Serial No.: 801RMJF135204
thanks

ricrob said:
LG 32LC5DC
Model no: 32LC5DC - UA.AUSYLJT
Serial No.: 801RMJF135204
Click to expand...
Click to collapse
Thanks. I do know that Chromecast can output 1280x720.
Your TV seems to be one of the types where different HDMI ports have different capabilities (I hate that).
HDMI 1 seems to support both Computer and Video resolutions/timings.
HDMI 2 supports only Video resolutions/timings.
Make sure you have the TV on when you plug power into the Chromecast. That'll ensure it can negotiate the supported resolution properly.
If that still doesn't work, remove power from Chromecast, move Chromecast to the other HDMI port, then power up Chromecast and see if that works.

2 to 1 Odds it's the TV not the Chromecast.
And Hotels are notorious for disabling HDMI Ports on their TVs!
All it takes is one bad pin on the connector to make the entire input not work.

Why in the world is there no 1080p/60fps video recording on the N6?

Even two year old phones like the LG G2 have it. Anyone know if it will be included in a future update? The hardware is obviously capable.

The hardware is capable but the Google Camera app is absolutely horrible.
Try LCamera: https://github.com/PkmX/lcamera/releases

GrayBoltWolf said:
The hardware is capable but the Google Camera app is absolutely horrible.
Try LCamera: https://github.com/PkmX/lcamera/releases
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Don't know why everybody says that goog camera is so bad. It works just as well as any other.
Also, lcamera's 60fps mode is limited to Hammerhead, and requires custom hacked blobs to enable. Won't do it on Shamu.
OP:
No 60fps because you won't get anything useful out of it. It'll just suck your storage dry faster.

doitright said:
Don't know why everybody says that goog camera is so bad. It works just as well as any other.
Also, lcamera's 60fps mode is limited to Hammerhead, and requires custom hacked blobs to enable. Won't do it on Shamu.
OP:
No 60fps because you won't get anything useful out of it. It'll just suck your storage dry faster.
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Uh...60fps is extremely useful, especially now that youtube shows videos in 60fps. It's a world of difference compared to 30fps.

doitright said:
Don't know why everybody says that goog camera is so bad. It works just as well as any other.
Also, lcamera's 60fps mode is limited to Hammerhead, and requires custom hacked blobs to enable. Won't do it on Shamu.
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Click to collapse
Dunno what you are talking about. Works just fine for me:
http://i.imgur.com/m35cK4M.png

Open camera is another good one, have been using it until google overhauls the stock camera app
https://play.google.com/store/apps/details?id=net.sourceforge.opencamera&hl=en

doitright said:
Don't know why everybody says that goog camera is so bad. It works just as well as any other.
Also, lcamera's 60fps mode is limited to Hammerhead, and requires custom hacked blobs to enable. Won't do it on Shamu.
OP:
No 60fps because you won't get anything useful out of it. It'll just suck your storage dry faster.
Click to expand...
Click to collapse
What do you mean nothing useful out of it? Suck your storage faster. We want 1080p 60frames. On our 64 gig storage phones. To take video with fast movement. I understand 2160p at 30 frames. Technology isn't there yet. But 1080p is and shame on Google for not enabling it.
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GrayBoltWolf said:
Dunno what you are talking about. Works just fine for me:
http://i.imgur.com/m35cK4M.png
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What app are you using?

tansuperman said:
What app are you using?
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That is L Camera which I linked above.

I have tried open camera and lcamera. both set to [email protected] actually record with about 30fps!

madphone said:
I have tried open camera and lcamera. both set to [email protected] actually record with about 30fps!
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Yea thats my experience too, it doesn't actually record in 60fps unfortunately

italia0101 said:
Yea thats my experience too, it doesn't actually record in 60fps unfortunately
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That sucks to hear. I will do my own test, but I believe you guys. Not sure why moto would do this to us. 1080p 30 fps is lame.

brian85 said:
Uh...60fps is extremely useful, especially now that youtube shows videos in 60fps. It's a world of difference compared to 30fps.
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The difference is in your head.
---------- Post added at 05:34 PM ---------- Previous post was at 05:32 PM ----------
madphone said:
I have tried open camera and lcamera. both set to [email protected] actually record with about 30fps!
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Click to collapse
Hahahahahaha, to all those who tried it and said "OMG 60fps is soooooo smooth", I LOL @ you, because this guy has proof that you're imagining the difference.

doitright said:
The difference is in your head.
---------- Post added at 05:34 PM ---------- Previous post was at 05:32 PM ----------
Hahahahahaha, to all those who tried it and said "OMG 60fps is soooooo smooth", I LOL @ you, because this guy has proof that you're imagining the difference.
Click to expand...
Click to collapse
You really don't see the difference in frame rates? I have a hard time seeing resolution differences, but 30 vs 60 is pretty clear to me.

doitright said:
The difference is in your head.
---------- Post added at 05:34 PM ---------- Previous post was at 05:32 PM ----------
Hahahahahaha, to all those who tried it and said "OMG 60fps is soooooo smooth", I LOL @ you, because this guy has proof that you're imagining the difference.
Click to expand...
Click to collapse
If you can't notice the difference in framerate between 30 and 60 than you might want to visit a doctor.
The difference is extremely clear, and very desirable for smooth video and motion.
There is a reason that most video games run at 60 FPS instead of 30.

It looks smoother but if the bitrate stays the same, compression on each frame is higher which results in degraded picture quality particularly with complex movement/subjects.
60FPS is definitely useful as you can play it back at 30FPS and have 2:1 slow motion, etc.
Have to give it to Apple for their app as their 240fps mode is great for slow motion. Having the sound in there is also neat. Makes my little Jack Russell's growl sound like a lion's roar!
I use Cinema FV-5 and was surprised to see no 1080 60P mode available. It may be locked in the firmware even though the hardware is capable of higher frame rates.

doitright said:
The difference is in your head.
---------- Post added at 05:34 PM ---------- Previous post was at 05:32 PM ----------
Hahahahahaha, to all those who tried it and said "OMG 60fps is soooooo smooth", I LOL @ you, because this guy has proof that you're imagining the difference.
Click to expand...
Click to collapse
Lol at you for trying so hard. If you can't see the difference; better see a doctor.

doitright said:
Don't know why everybody says that goog camera is so bad. It works just as well as any other.
Also, lcamera's 60fps mode is limited to Hammerhead, and requires custom hacked blobs to enable. Won't do it on Shamu.
OP:
No 60fps because you won't get anything useful out of it. It'll just suck your storage dry faster.
Click to expand...
Click to collapse
You mean 60fps is not better than 30fps? 60fps is not useful? Damn, that made me laugh so hard:silly:

cpufrost said:
It looks smoother but if the bitrate stays the same, compression on each frame is higher which results in degraded picture quality particularly with complex movement/subjects.
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Click to collapse
This is incorrect. If you look at my camera screenshot on the last page you will clearly see that it allows for double the bitrate. 16 Mbps instead of 8.

GrayBoltWolf said:
This is incorrect. If you look at my camera screenshot on the last page you will clearly see that it allows for double the bitrate. 16 Mbps instead of 8.
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Click to collapse
Yes what I said is true, if it stays the same. In your case it's not the same.
16Mbps is a bit low still, however.

cpufrost said:
Yes what I said is true, if it stays the same. In your case it's not the same.
16Mbps is a bit low still, however.
Click to expand...
Click to collapse
For 1080/60 16 is just fine to upload to YouTube or something. I don't think many people plan on making movies with their phones.

[Q] Limelight Game Stream Compatible Controller for Nook HD Plus ?

I recently installed limelight and was able to stream games on my nook HD plus. However, I don't have any controllers to play with. Could anyone suggest a good compatible controller, if possible with links ?

dragonofdhaka said:
I recently installed limelight and was able to stream games on my nook HD plus. However, I don't have any controllers to play with. Could anyone suggest a good compatible controller, if possible with links ?
Click to expand...
Click to collapse
The best way is to get a Bluetooth controller like the PS3 controller. I have used my 360 wired controller with success using a female to female USB adapter and downloading an app but its not the most efficient way. Like I said, any good Bluetooth controller should work great.
---------- Post added at 06:36 AM ---------- Previous post was at 06:35 AM ----------
dragonofdhaka said:
I recently installed limelight and was able to stream games on my nook HD plus. However, I don't have any controllers to play with. Could anyone suggest a good compatible controller, if possible with links ?
Click to expand...
Click to collapse
How do you like limelight? What kind of lag, if any, do you experience? Just read about the software the other day.

Korgy said:
The best way is to get a Bluetooth controller like the PS3 controller. I have used my 360 wired controller with success using a female to female USB adapter and downloading an app but its not the most efficient way. Like I said, any good Bluetooth controller should work great.
---------- Post added at 06:36 AM ---------- Previous post was at 06:35 AM ----------
How do you like limelight? What kind of lag, if any, do you experience? Just read about the software the other day.
Click to expand...
Click to collapse
Well I faced a small amount of lag, but not enough to effect gameplay; atleast for Shadow of Mordor. Btw, turning off Wi-Fi on other devices helped reduce lag greatly. Overall, limelight seems to be better than both Splashtop and Kainy with the only requirement being that you have an nvidia graphics card.

Mirroring the vr with Amazon fire stick

Hi,
I'm currently using an s7 edge with the Gear VR.
When plugging my device into my VR headset the screen mirror on my fire stick shows the first loading icon and then freezes all the while my headset is working fine.
Any reason for this as I've read that the note 4 works fine on fire stick and miracast.
Tia

Try going to developer opinions in your phones setting then goto second display settings, choose 720p secure. that worked for me on chromecast
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Oh and if u have a 3d tv click side by side 3d and the person watching the tv can watch it in 3d.

That works on my friends Chromecast but my not on fire stick.... :/ I wonder what the issue is?