avrcp | 易学教程

Bluez 5 - initiate avrcp connection to iPhone from Bluez

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问题 Bluez 5.28 Goal - Control iOS track skip, and initiate connection from Bluez programmatically. Do not want a2dp. Everything works fine if I initiate connection from iPhone/iPad (go to BT settings, click on Pi device), which I want to avoid and not have to fiddle with the phone. (car setup with Pi). I have control, track metadata, etc. Doing a connect xx:xx:xx:xx:xx:xx in bluetoothctl yields: a2dp-source profile connect failed for 6C:70:9F:7E:EF:A8: Protocol not available Ok. It needs

What events are fired by Bluetooth AVRCP commands in Windows

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问题 Just doing some advanced scouting so to speak here... For my Pandora client, Elpis, I support global media keys (MediaPlayPause, MediaNext, etc. on the keyboard) and I want to be able to support AVRCP from bluetooth headphones if possible. I do not currently have any (though will try to get some soon). My main question is, what events (keyboard or otherwise) are fired by AVRCP commands in windows? Is it something that depends on the BT adapter and/or driver stack? I would love it if they just

What events are fired by Bluetooth AVRCP commands in Windows

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Best practice for AVRCP on Android (sending meta-data to bluetooth device)

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问题 I want to send meta-data to a bluetooth device, via an Android 4.3+ device. The solution that I came across, and that works, is sending an intent to google.android.music (the google music app), informing it about the meta-data, as seen here: send track informations via A2DP/AVRCP. I might be wrong, but this does not seem to be the way AVRCP should work on android. As far as I understood, the best practice would be to use RemoteControlClient.MetadaDataEditor like so: mRemoteControlClient

How can I establish an AVRCP connection from Windows 7 (controller) to phone (target) using L2CAP on Widcomm SDK?

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问题 I am using the CL2Cap class in the Widcomm SDK on Win7. I am able to successfully establish the L2CAP connection and send the UNIT INFO command but the data returned is incorrect. I suspect that the stack has already established a connection and the AVRCP spec says: "Only one L2CAP connection shall be established between AVCTP entities. If the connection already exists, the CT/TG shall not initiate the connection request." Can anyone shed some light on what could be the problem? I have

Control Bluetooth audio device with iPhone

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问题 I am looking to write application for iPhone which will be able to control radio and CD player in car. Radio and player have Bluetooth connection available. I started this question in order to obtain all informations I need for this one one place. I have few questions, but if you find anything I didn't ask important for me to start developing this application, please, let me know. I have read about AVRCP profile and Bluetooth device in car supports AVRCP 1.3, which is good enough for me,

Control Bluetooth audio device with iPhone

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I am looking to write application for iPhone which will be able to control radio and CD player in car. Radio and player have Bluetooth connection available. I started this question in order to obtain all informations I need for this one one place. I have few questions, but if you find anything I didn't ask important for me to start developing this application, please, let me know. I have read about AVRCP profile and Bluetooth device in car supports AVRCP 1.3, which is good enough for me, having in mind controls which can be performed in that protocol version. I read a lot about people saying

What events are fired by Bluetooth AVRCP commands in Windows

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Just doing some advanced scouting so to speak here... For my Pandora client, Elpis , I support global media keys (MediaPlayPause, MediaNext, etc. on the keyboard) and I want to be able to support AVRCP from bluetooth headphones if possible. I do not currently have any (though will try to get some soon). My main question is, what events (keyboard or otherwise) are fired by AVRCP commands in windows? Is it something that depends on the BT adapter and/or driver stack? I would love it if they just were exposed as the same media keys mentioned above, but I can not find any official MS documentation

send track informations via A2DP/AVRCP

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I'm trying to send track informations via A2DP/AVRCP. Right now, music is perfectly streamed, but on the "receiver" (ie: car audio), the "track informations screen" is blank (which is not the case using popular players out there). Any idea ? This code worked for me: private static final String AVRCP_PLAYSTATE_CHANGED = "com.android.music.playstatechanged"; private static final String AVRCP_META_CHANGED = "com.android.music.metachanged"; private void bluetoothNotifyChange(String what) { Intent i = new Intent(what); i.putExtra("id", Long.valueOf(getAudioId())); i.putExtra("artist", getArtistName

send track informations via A2DP/AVRCP

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问题 I'm trying to send track informations via A2DP/AVRCP. Right now, music is perfectly streamed, but on the "receiver" (ie: car audio), the "track informations screen" is blank (which is not the case using popular players out there). Any idea ? 回答1: This code worked for me: private static final String AVRCP_PLAYSTATE_CHANGED = "com.android.music.playstatechanged"; private static final String AVRCP_META_CHANGED = "com.android.music.metachanged"; private void bluetoothNotifyChange(String what) {