Bug 1315253 - Sound output does not switch when connecting external HDMI TVs
Sound output does not switch when connecting external HDMI TVs
Product: Fedora
Classification: Fedora
Component: pulseaudio (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Lennart Poettering
Fedora Extras Quality Assurance
Depends On:
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Reported: 2016-03-07 06:34 EST by Elias Naur
Modified: 2016-12-20 14:16 EST (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2016-12-20 14:16:58 EST
Type: Bug
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Description Elias Naur 2016-03-07 06:34:12 EST
Description of problem:
When I plug in an external TV through HDMI or similar, the display is automatically extended to that TV automatically. However, the sound output is kept and sound is output through the internal speakers. To use the external TV speakers, I have to go through sound settings and change it manually, every time. Even more confusing is that after disconnecting the TV, I have to go through the sound settings again to switch the output back to the built in speakers.

If it is not possible to detect whether an external monitor/TV can accept sound input, it would be nice to save sound output settings the same way the setup (cloning/positioning) of multiple monitor setup is saved across connects.

How reproducible:

Steps to Reproduce:
1. Connect computer with external TV through a HDMI cable or similar.
2. The display output is automatically duplicated, but the sound output is not.
3. Go to Preferences => Sound, where the sound output is "built in audio". Select the HDMI sound output. The sound now goes through the TV.
4. Disconnect the TV. The display settings resets, but that there is no sound from the built in speakers, presumably because something still thinks it should output sound through HDMI. You have to go through Preferences => Sound again and reset the output to the "built in audio" to regain sound.

Actual results:
Sound output must be changed manually, when connecting an external TV and also when disconnecting it.

Expected results:
In a perfect world, it would be nice if the sound output moved to the TV when plugged in, and back when not.

As a second option, I'd like the sound settings saved per monitor in the same way the display cloning/positioning is saved. That way, I'll only have to change the sound output once, and then the system knows that I'd like sound routed through HDMI when that particular monitor is connected.

As the third option, it should be possible to detect that the external monitor is not connected anymore and switch back to built in sound when the cable is disconnected. No sound after disconnect is confusing, especially when you then go to sound settings and it is obvious that there is only one output possible. That way, only one manual switch is necessary.

Additional info:
Comment 1 Fedora End Of Life 2016-11-24 10:57:42 EST
This message is a reminder that Fedora 23 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 23. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
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Comment 2 Fedora End Of Life 2016-12-20 14:16:58 EST
Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

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