[Q] Problem about AVRCP in N1 - Android Software/Hacking General [Developers Only]

My phone is HD2 and installed the rom New Nexus One Android 2.2 Build FRG33 [ mccm v1.5](8.9.2010)
I found that i just couldn't use the buttoms on my bluetooth headset when im enjoying music.
what should i do with this problem?
thx for ur help!

I get this problem occasionally when I link my N1 w/ my car stereo. The controls don't work etc and it's not in audio streaming mode (ie. it's probably only using the Phone bluetooth profile and not the stereo audio profile as well). What I usually do is go into bluetooth settings, long click the device, and uncheck the bluetooth profiles. Then I recheck those profiles and reconnect the device. This usually fixes it. Of course, your problem could also be related to this HD2/Android hackery...

Related

Telephone cant find bluetooth-headset!

Hi! I have a brand new Jabra 620s bluetooth-headset. When I turn the headset on and search for bluetooth devices on my computer I can see it, but I cant see it when I search for it on my touch pro.
What could be the problem here?
I had a similar problem last night (and have it quite often when i need to pair). It doesn't detect it until the 3rd or 4th time in which last night it didn't even detect it either. I power cycled the headset and my phone found it the first time.
Yeah, I tried rebooting my headset and my phone several times, but I still can't get it to work...
Figured it out... Had to hold in a button on the headsett to make it avaliable for new devices...
But new problem:
I don't get sound in the headsett when I play music. But when I make a call the sound is in the headsett. What could be the problem here?
Maybe its the settings in your a2dp profile?
I read this "Set-up of the 620's was simple enough, the headset unit is paired with the device that is streaming the music and / or a mobile phone. A smart move from Jabra allows the 620s to be connected to both a mobile phone and an audio device simultaneously. However our set-up was rather more straight forward than most as we used Jabra's own Bluetooth dongle that supports the all important A2DP (Advanced Audio Distribution Profile) profile. Real life for most users is a different kettle of fish with support for A2DP being quite sparse, most music gateways and servers and even music ready mobiles rarely support the required profile." source: http://www.lordpercy.com/jabra_bt620s_review.htm
Maybe some tweaking in hklm\\software\microsoft\bluetooth\a2dp\Settings
I believe this headset also supports AVRCP profile. In any case, make note of your original configuration prior to making any changes.
nyckid211 said:
Maybe its the settings in your a2dp profile?
I read this "Set-up of the 620's was simple enough, the headset unit is paired with the device that is streaming the music and / or a mobile phone. A smart move from Jabra allows the 620s to be connected to both a mobile phone and an audio device simultaneously. However our set-up was rather more straight forward than most as we used Jabra's own Bluetooth dongle that supports the all important A2DP (Advanced Audio Distribution Profile) profile. Real life for most users is a different kettle of fish with support for A2DP being quite sparse, most music gateways and servers and even music ready mobiles rarely support the required profile." source: http://www.lordpercy.com/jabra_bt620s_review.htm
Maybe some tweaking in hklm\\software\microsoft\bluetooth\a2dp\Settings
I believe this headset also supports AVRCP profile. In any case, make note of your original configuration prior to making any changes.
Click to expand...
Click to collapse
I tried to install btAudio. Now I have sound in my headset, but det sound-quality is CRAPPY! Are there any other software avaliable that can fix this? Dont know if I want to edit the registry.... There must be a solution?
slogum said:
I tried to install btAudio. Now I have sound in my headset, but det sound-quality is CRAPPY! Are there any other software avaliable that can fix this? Dont know if I want to edit the registry.... There must be a solution?
Click to expand...
Click to collapse
You can use Advanced Config to enlarge the bluetooth bitpool under the bluetooth tweaks. Set it to "very high" for best sound quality (uses more system resources tough).
HTH
Maximum bit-pool setting is 1561. I dont think it solves the problem, cause the quality is still really bad.
Any other tips? Or do I have to return the headset cause a brand new ~1000$ phone cant play on a wireless bluetooth headset?!
Bump.. Are there really no solutions?

Howto AutoUse BT Pair for Media Audio?

I've touched on this question before but I may have been using some wrong terminology.
On my S3 I have successfully created a BT pairing with a BT Audio Device use which has a steroe out fed into my car's head unit's Aux In.
So, it is Auto-Paired. That is, when I step into my car and turn on the ignition thus powering up the BT Audio Device the paring is available to be used for Media Audio.
However, in order for my phone to route audio to the BT Audio Device I must enter the phone's BT menu and tell the phone to connect to the Device for Media Audio.
I can either do this through the notification pane to see pairings then tap the pairing to use for Media Audio or I can go through settings->BT and do the same thing.
Either way, it's a huge PITA to do this every single time I get into my car.
There has got to be a way to have the phone automatically route Media Audio through this BT Audio Device upon detection. My previous two phones had nowhere near the ability of my S3 but they had no issues whatsoever with automatically pairing and routing audio to this BT Audio Device.
Is the S3 really this stunted in the BT department? If so, is there an app that fixes this stupidity with grace and non-intrusiveness?
crabapples said:
I've touched on this question before but I may have been using some wrong terminology.
On my S3 I have successfully created a BT pairing with a BT Audio Device use which has a steroe out fed into my car's head unit's Aux In.
So, it is Auto-Paired. That is, when I step into my car and turn on the ignition thus powering up the BT Audio Device the paring is available to be used for Media Audio.
However, in order for my phone to route audio to the BT Audio Device I must enter the phone's BT menu and tell the phone to connect to the Device for Media Audio.
I can either do this through the notification pane to see pairings then tap the pairing to use for Media Audio or I can go through settings->BT and do the same thing.
Either way, it's a huge PITA to do this every single time I get into my car.
There has got to be a way to have the phone automatically route Media Audio through this BT Audio Device upon detection. My previous two phones had nowhere near the ability of my S3 but they had no issues whatsoever with automatically pairing and routing audio to this BT Audio Device.
Is the S3 really this stunted in the BT department? If so, is there an app that fixes this stupidity with grace and non-intrusiveness?
Click to expand...
Click to collapse
I feel ya, in the past, all I had to do was toggle BT on and go, now there's two or three extra steps which almost defeats the use of a toggle.
I just started searching for some answers and am honestly surprised no one else has made a big deal about this. If I find something, I'll post it up... For now, going to take a look at some system files and build.prop stuff, but it's not really my department.
Got some NFC tags and NFC Task Launcher hoping I could circumvent the BS with a hardware hack. But no, the best this does is auto toggle the BT radio and open the device selection screen where 2 more taps are required to actually use the device for media audio. Any new insight out there? Considering Tasker app but it is rather expensive and no free version to see if it does the trick.
My Bluetooth Auto Corrects Just fine to my cars Bluetooth... Toggle on and go. Running AOKP currently but it worked properly on stock, stock rooted, and Synergy as well.
I haven't gotten a chance to try this yet but I probably will tomorrow.
Tasker forum post indicating the problem is well known, prevalent and hardly any fixes exist:
https://groups.google.com/forum/?fromgroups=#!searchin/tasker/bluetooth$20audio/tasker/TLsjT9Exle8/ZLlgvEn5vUUJ
An app that forces the connection amongst other things:
https://play.google.com/store/apps/details?id=a2dp.Vol
A Tasker plugin leveraging the force connect code which happens to be GPL'd in case any of our fine developers would like to start making ROMs that address this major drawback of using a S3:
http://code.google.com/p/a2dp-connect/
crabapples said:
I haven't gotten a chance to try this yet but I probably will tomorrow.
Tasker forum post indicating the problem is well known, prevalent and hardly any fixes exist:
https://groups.google.com/forum/?fromgroups=#!searchin/tasker/bluetooth$20audio/tasker/TLsjT9Exle8/ZLlgvEn5vUUJ
An app that forces the connection amongst other things:
https://play.google.com/store/apps/details?id=a2dp.Vol
A Tasker plugin leveraging the force connect code which happens to be GPL'd in case any of our fine developers would like to start making ROMs that address this major drawback of using a S3:
http://code.google.com/p/a2dp-connect/
Click to expand...
Click to collapse
I haven't had any trouble with bluetooth devices reconnecting to my phone as soon as I power them on. I'm running cyanogenmod 10 rom.
Also you can get free trial of tasker from here tasker.dinglisch.net/download.html
zxsix said:
I haven't had any trouble with bluetooth devices reconnecting to my phone as soon as I power them on. I'm running cyanogenmod 10 rom.
Click to expand...
Click to collapse
It seems the issue may be primarily with BT Audio Gateways. I don't have this issue with my laptop at all and I'm imagining car head units rarely see this problem.
That said A2DP Volume App fixed this issue for me. Once configured I did have to manually set the device to use media audio one last time before A2DP Volume started doing it for me. I configured NFC Task Launcher to kill wifi, enable BT and launch A2DP volume when it contacts the tag in my car and it works perfectly. Since NFC Task Launcher front ends into Tasker and Tasker has the A2DP force connect plugin available I'm seriously considering getting Tasker for all the other cool features it can do besides scratching this particular itch.
crabapples said:
I've touched on this question before but I may have been using some wrong terminology.
On my S3 I have successfully created a BT pairing with a BT Audio Device use which has a steroe out fed into my car's head unit's Aux In.
So, it is Auto-Paired. That is, when I step into my car and turn on the ignition thus powering up the BT Audio Device the paring is available to be used for Media Audio.
However, in order for my phone to route audio to the BT Audio Device I must enter the phone's BT menu and tell the phone to connect to the Device for Media Audio.
I can either do this through the notification pane to see pairings then tap the pairing to use for Media Audio or I can go through settings->BT and do the same thing.
Either way, it's a huge PITA to do this every single time I get into my car.
There has got to be a way to have the phone automatically route Media Audio through this BT Audio Device upon detection. My previous two phones had nowhere near the ability of my S3 but they had no issues whatsoever with automatically pairing and routing audio to this BT Audio Device.
Is the S3 really this stunted in the BT department? If so, is there an app that fixes this stupidity with grace and non-intrusiveness?
Click to expand...
Click to collapse
You can fix this relatively easy by getting the app Tasker. I use it to do things like automatically start the music player I want when headphones are plugged in, to turning up the brightness automatically when I am getting an incoming call, etc. I am fairly certain you could set up the program to do whatever you want via bluetooth if you fiddle with it.
Gluck!
mdt73 said:
You can fix this relatively easy by getting the app Tasker. I use it to do things like automatically start the music player I want when headphones are plugged in, to turning up the brightness automatically when I am getting an incoming call, etc. I am fairly certain you could set up the program to do whatever you want via bluetooth if you fiddle with it.
Gluck!
Click to expand...
Click to collapse
LOL, if you had only read the rest of the thread...
Yeah, Tasker cannot do this OTB but with the A2DP Connect Plugin it can. Or you can just run the A2DP Volume app and do the same for free.
That the A2DP Connect code is GPL it would be super sweet if our developers incorporated the magic into the ROMs so that a base install didn't need apps to do something so simple as automatically route media audio to BT gateways.
This happens to me when I use the wrong settings in my cars head unit. My Toyota gives me the option to pair as a multimedia device, a phone or both. If you set it up as just a multimedia device then you won't have some functionality. Check your head unit manual and try to re-pair. You might have to delete the existing pairing for it to work right.
rfmodeler said:
This happens to me when I use the wrong settings in my cars head unit. My Toyota gives me the option to pair as a multimedia device, a phone or both. If you set it up as just a multimedia device then you won't have some functionality. Check your head unit manual and try to re-pair. You might have to delete the existing pairing for it to work right.
Click to expand...
Click to collapse
Yeah, it's not a head unit, it's an audio gateway that basically is just a BT receiver with a stereo out and no interface so it is what it is with no configuration options. This issue with the S3 appears to be primarily related to these types of devices.
crabapples said:
Yeah, it's not a head unit, it's an audio gateway that basically is just a BT receiver with a stereo out and no interface so it is what it is with no configuration options. This issue with the S3 appears to be primarily related to these types of devices.
Click to expand...
Click to collapse
Oh okay. When I look under the bluetooth menu in CM10 I have a paired connection that I named Car Multi-Media and if I look at its settings I see profiles called Phone audio and Media audio. I'm guessing you just have a Media audio profile. Not sure how to help you there. Sorry.

Unable to use bluetooth audio

Hi all,
I'm having an issue with my HTC One M8 and using it to stream audio over bluetooth. On my last phone (VZW GS4), when I connected it to my Flex's stereo (Sony SYNC with nav), it would list in the bluetooth pairing as connected to phone & media audio. However now on the HTC One, it only shows phone audio.
I have searched all over and couldn't find any info on this issue and there doesn't seem to be a setting in the stock ROM to set it up. The system still works with the phone when using it for phone calls.
Any ideas?
Cheers,
j
Have you tried re-pairing the phone? I know in my Tundra depending on how I pair the phone, I'll either get audio only or phone and audio. In my 335 it gives me an option what I want to use on the phone (audio, phone, or both). Also if you go into the setting of the pairing on your phone you should be able to put a check beside both audio and phone.
Well I just pulled the fuse for the sync system, so when I get ready to head home, I will try repairing the phone.
No issues with Logitech headphone/mic combo. I've been on vacation for 2 weeks but will be home tomorrow and will promptly attempt pairing to my Hyundai Blue Link system.
Sent from my HTC6525LVW using XDA Premium 4 mobile app
Pulling the fuse for the SYNC system in the Flex corrected the issue. I was able to play Google Music over bluetooth today, was amazeballs...
I just wish that there was an equalizer option in GM like there was on my GS4...

[Q] Bluetooth issue with Sense

When using Stock rom or any other Sense based rom when auto connecting to car radio I get no audio.
The phone and radio will both show connected, and audio tracks show playing but no sound. Sometimes, and only sometimes a bluetooth toggle in settings will fix the issue. Other times when i toggle it looses the connection period.
Ive reset my radio and phone but nothing helps. The kicker is when using GPE or an AOSP rom the connect and auto play every single time.
I like Sense and really want to use it...any one else see similar issue?
Are you using the HTC stock "Music" app? Basic question, but can you confirm the volume level of the Bluetooth output is high enough (audio volume is handled differently than Handsfree volume)?

Bluetooth audio streaming skips logcat included

Hi all. So I'm having an issue with my S6 running cleanrom lite. My bluetooth audio skips when playing on any BT speaker. The skip is similar to a cd skipping and is not the volume just lowering for another app. BT audio used to work flawlessly, here is what I have done so far. And This issue exists with multiple BT speakers, with multiple music apps, local music with default music app, spotify, spotify in offline mode, Amazon music.
1. Reboot phone
2. Toggle bluetooth
3. Unpair car BT device from phone
4. Delete phone pair from car BT headunit
5. Rollback any app updates
6. Unselected "Use Nuplayer" in development options. Then rebooted
7. Took a logcat. Everytime BT audio skips I get an event like this
"08-26 17:34:18.501 E/bt-btif (6930): btif_get_num_aa_frame() - Limiting frames to be sent from 43 to 10"
Anyone have any ideas as to anything else I can try? Or what could be causing this?
odlay75 said:
Hi all. So I'm having an issue with my S6 running cleanrom lite. My bluetooth audio skips when playing on any BT speaker. The skip is similar to a cd skipping and is not the volume just lowering for another app. BT audio used to work flawlessly, here is what I have done so far. And This issue exists with multiple BT speakers, with multiple music apps, local music with default music app, spotify, spotify in offline mode, Amazon music.
1. Reboot phone
2. Toggle bluetooth
3. Unpair car BT device from phone
4. Delete phone pair from car BT headunit
5. Rollback any app updates
6. Unselected "Use Nuplayer" in development options. Then rebooted
7. Took a logcat. Everytime BT audio skips I get an event like this
"08-26 17:34:18.501 E/bt-btif (6930): btif_get_num_aa_frame() - Limiting frames to be sent from 43 to 10"
Anyone have any ideas as to anything else I can try? Or what could be causing this?
Click to expand...
Click to collapse
That is exactly what plagues me since upgrading my i9100G to Lollipop with Omnirom 5 - Has anyone tracked it down already and knows a fix? Interestingly first time after boot bluetooth streaming works fine for me. Rebooting all the time is of course not good....

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