Using libcec as proxy for AV receiver - How do I put audio in standby when handled by libCEC?

Question

Using libcec as proxy for AV receiver - How do I put audio in standby when handled by libCEC?

ballle98 opened this issue 8 months ago · comments

working on a CEC to IR bridge here https://github.com/ballle98/cec-lirc

If the TV is off I turn the audio off but if the TV asks the power status libCEC always reports on. Is there a way to get libCEC to report "standby" for a device it handles?

CECCommand: opcode 36 0 -> f
turnAudioOff CECCommand: lirc_send_one KEY_SUSPEND
[01/04/24 10:06:04.0870] LOG16 TV (0): power status changed from 'on' to 'standby'
[01/04/24 10:06:04.0870] LOG16 >> TV (0) -> Broadcast (F): standby (36)
[01/04/24 10:06:04.0870] LOG4 << putting 'Audio' (5) in standby mode
[01/04/24 10:06:04.0870] LOG16 not sending command 'standby': destination device 'Audio' marked as handled by libCEC
[01/04/24 10:06:04.0870] LOG16 not sending command 'system audio mode request': destination device 'Audio' marked as handled by libCEC
[01/04/24 10:06:04.0895] LOG8 >> 05:a4:0a
CECCommand: opcode a4 0 -> 5
[01/04/24 10:06:04.0896] LOG16 sending abort with opcode a4 and reason 'unrecognised opcode' to TV
[01/04/24 10:06:04.0896] LOG16 << transmitting abort message
[01/04/24 10:06:04.0896] LOG8 << 50:00:a4:00
[01/04/24 10:06:04.0896] LOG16 >> TV (0) -> Audio (5): UNKNOWN (A4)
[01/04/24 10:06:05.0072] LOG8 >> 05:9f
CECCommand: opcode 9f 0 -> 5
[01/04/24 10:06:05.0072] LOG16 << Audio (5) -> TV (0): cec version 1.3a
[01/04/24 10:06:05.0072] LOG8 << 50:9e:04
[01/04/24 10:06:05.0072] LOG16 >> TV (0) -> Audio (5): get cec version (9F)
[01/04/24 10:06:05.0257] LOG8 >> 05:8c
CECCommand: opcode 8c 0 -> 5
[01/04/24 10:06:05.0257] LOG16 << Audio (5) -> TV (0): vendor id Pulse Eight (1582)
[01/04/24 10:06:05.0257] LOG8 << 5f:87:00:15:82
[01/04/24 10:06:05.0257] LOG16 >> TV (0) -> Audio (5): give device vendor id (8C)
[01/04/24 10:06:05.0459] LOG8 >> 05:8f
CECCommand: opcode 8f 0 -> 5
Power Status(Audio): on
turnAudioOn: lirc_send_one KEY_POWER
[01/04/24 10:06:05.0527] LOG16 << Audio (5) -> TV (0): on
[01/04/24 10:06:05.0527] LOG8 << 50:90:00
[01/04/24 10:06:05.0527] LOG16 >> TV (0) -> Audio (5): give device power status (8F)
[01/04/24 10:06:05.0527] LOG16 not sending command 'system audio mode request': destination device 'Audio' marked as handled by libCEC
[01/04/24 10:06:05.0527] LOG16 'Audio' (5) is already 'on'
[01/04/24 10:06:05.0612] LOG8 >> 05:8c
CECCommand: opcode 8c 0 -> 5
[01/04/24 10:06:05.0612] LOG16 << Audio (5) -> TV (0): vendor id Pulse Eight (1582)
[01/04/24 10:06:05.0612] LOG8 << 5f:87:00:15:82
[01/04/24 10:06:05.0612] LOG16 >> TV (0) -> Audio (5): give device vendor id (8C)
[01/04/24 10:06:05.0813] LOG8 >> 05:8f
CECCommand: opcode 8f 0 -> 5
Power Status(Audio): on
turnAudioOn: lirc_send_one KEY_POWER

Martin Ellis · Answer 1 · Fri Jan 05 2024 02:49:00 GMT+0800 (China Standard Time)

The adapter will do so (I think) if the connection is severed, otherwise its assumed on, the code is open so change it as you wish 😊 From: Lee Ballard ***@***.***> Sent: Thursday, January 4, 2024 5:40 PM To: Pulse-Eight/libcec ***@***.***> Cc: Subscribed ***@***.***> Subject: [Pulse-Eight/libcec] Using libcec as proxy for AV receiver - How do I put audio in standby when handled by libCEC? (Issue #652) working on a CEC to IR bridge here https://github.com/ballle98/cec-lirc If the TV is off I turn the audio off but if the TV asks the power status libCEC always reports on. Is there a way to get libCEC to report "standby" for a device it handles? CECCommand: opcode 36 0 -> f turnAudioOff CECCommand: lirc_send_one KEY_SUSPEND [01/04/24 10:06:04.0870] LOG16 TV (0): power status changed from 'on' to 'standby' [01/04/24 10:06:04.0870] LOG16 >> TV (0) -> Broadcast (F): standby (36) [01/04/24 10:06:04.0870] LOG4 << putting 'Audio' (5) in standby mode [01/04/24 10:06:04.0870] LOG16 not sending command 'standby': destination device 'Audio' marked as handled by libCEC [01/04/24 10:06:04.0870] LOG16 not sending command 'system audio mode request': destination device 'Audio' marked as handled by libCEC [01/04/24 10:06:04.0895] LOG8 >> 05:a4:0a CECCommand: opcode a4 0 -> 5 [01/04/24 10:06:04.0896] LOG16 sending abort with opcode a4 and reason 'unrecognised opcode' to TV [01/04/24 10:06:04.0896] LOG16 << transmitting abort message [01/04/24 10:06:04.0896] LOG8 << 50:00:a4:00 [01/04/24 10:06:04.0896] LOG16 >> TV (0) -> Audio (5): UNKNOWN (A4) [01/04/24 10:06:05.0072] LOG8 >> 05:9f CECCommand: opcode 9f 0 -> 5 [01/04/24 10:06:05.0072] LOG16 << Audio (5) -> TV (0): cec version 1.3a [01/04/24 10:06:05.0072] LOG8 << 50:9e:04 [01/04/24 10:06:05.0072] LOG16 >> TV (0) -> Audio (5): get cec version (9F) [01/04/24 10:06:05.0257] LOG8 >> 05:8c CECCommand: opcode 8c 0 -> 5 [01/04/24 10:06:05.0257] LOG16 << Audio (5) -> TV (0): vendor id Pulse Eight (1582) [01/04/24 10:06:05.0257] LOG8 << 5f:87:00:15:82 [01/04/24 10:06:05.0257] LOG16 >> TV (0) -> Audio (5): give device vendor id (8C) [01/04/24 10:06:05.0459] LOG8 >> 05:8f CECCommand: opcode 8f 0 -> 5 Power Status(Audio): on turnAudioOn: lirc_send_one KEY_POWER [01/04/24 10:06:05.0527] LOG16 << Audio (5) -> TV (0): on [01/04/24 10:06:05.0527] LOG8 << 50:90:00 [01/04/24 10:06:05.0527] LOG16 >> TV (0) -> Audio (5): give device power status (8F) [01/04/24 10:06:05.0527] LOG16 not sending command 'system audio mode request': destination device 'Audio' marked as handled by libCEC [01/04/24 10:06:05.0527] LOG16 'Audio' (5) is already 'on' [01/04/24 10:06:05.0612] LOG8 >> 05:8c CECCommand: opcode 8c 0 -> 5 [01/04/24 10:06:05.0612] LOG16 << Audio (5) -> TV (0): vendor id Pulse Eight (1582) [01/04/24 10:06:05.0612] LOG8 << 5f:87:00:15:82 [01/04/24 10:06:05.0612] LOG16 >> TV (0) -> Audio (5): give device vendor id (8C) [01/04/24 10:06:05.0813] LOG8 >> 05:8f CECCommand: opcode 8f 0 -> 5 Power Status(Audio): on turnAudioOn: lirc_send_one KEY_POWER — Reply to this email directly, view it on GitHub<#652>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/AAEFI522WIJUSUS3VY4I6ETYM3SOFAVCNFSM6AAAAABBNI7NMOVHI2DSMVQWIX3LMV43ASLTON2WKOZSGA3DMMBXGY2DONY>. You are receiving this because you are subscribed to this thread.Message ID: ***@***.******@***.***>>

Lee Ballard · Answer 2 · Fri Jan 05 2024 03:17:08 GMT+0800 (China Standard Time)

I'm using a Raspberry Pi not an external adapter. Not sure which code I would change.

Martin Ellis · Answer 3 · Fri Jan 05 2024 03:41:58 GMT+0800 (China Standard Time)

The source code of libcec and recompile it

…

________________________________ From: Lee Ballard ***@***.***> Sent: Thursday, January 4, 2024 7:17:19 PM To: Pulse-Eight/libcec ***@***.***> Cc: Martin Ellis ***@***.***>; Comment ***@***.***> Subject: Re: [Pulse-Eight/libcec] Using libcec as proxy for AV receiver - How do I put audio in standby when handled by libCEC? (Issue #652) I'm using a Raspberry Pi not an external adapter. Not sure which code I would change. — Reply to this email directly, view it on GitHub<#652 (comment)>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/AAEFI557KMASLFITUE3QQN3YM3537AVCNFSM6AAAAABBNI7NMOVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMYTQNZXGYZTENBRHE>. You are receiving this because you commented.Message ID: ***@***.***>