Volume issues about librespot HOT 26 CLOSED

Comment by moodeaudio
Monday Jan 30, 2017 at 05:46 GMT

Hi Paul,

Since its not possible for the software to know much about users audio system, assume that if client defaults to sending 100% volume that full volume will be output at speakers or headphones when play button is pressed.

Consider setting initial volume to one of the following:

1. level that user previously set in the Spotify client app
2. level of client device local volume that user previously set
3. 0% (default)
4. level specified in librespot cmd string. For example --initial-volume 10%. This would allow users that want client to always output 100% to their audio system to simply specify --initial-volume 100%.

Something like that.

-TIm

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Comment by plietar
Monday Jan 30, 2017 at 04:15 GMT

Thanks for bringing this up.

Spotify IOS client set volume to 100% on first connect/play! iPhone local volume was only 30%

This is intentional, see plietar/librespot#43 for the reasons. The local volume on the phone does not have an impact.

Volume stepping used by Spotify IOS client is very corse, only 10 steps to full volume using the physical iPhone buttons.

I'm not sure why it was set to 10, but I've just bumped it to 64 steps in 7be9626. This is the same behaviour as the desktop client.

The slider volume control within the Spotify app behaves similarly in that it raises volume too much within the first half of the slider.

Not sure what you mean there

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Comment by sashahilton00
Sunday Feb 05, 2017 at 04:04 GMT

Ignore. Volume control on Sierra macOS glitched :/

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Comment by pbros
Monday Feb 06, 2017 at 01:25 GMT

I'd be very interested in being able to specify an initial volume via an argument or config, or even better, have the ability to retain the previous spotify connect volume.

I'm using this with snapcast (https://github.com/badaix/snapcast/) and most of my other sources are never at 100% (e.g. airplay), so when I use spotify connect and switch sources, the volume is always too high since it's at 100%!

Thanks

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Comment by ashwinvandijk
Tuesday Feb 21, 2017 at 21:04 GMT

I agree with pbros, it would be great if we could fix this for the snapcast users (including me :)). I would be happy with an initial volume of 0 if that would make things easier.

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Comment by plietar
Monday Mar 06, 2017 at 17:03 GMT

@moodeaudio

Consider setting initial volume to one of the following:

• level that user previously set in the Spotify client app
• level of client device local volume that user previously set

AFAIK this isn't possible, clients don't send their current level

• 0% (default)

This is inconvenient since it requires all users to increase the volume every time, and would lead to confusion

• level specified in librespot cmd string. For example --initial-volume 10%. This would allow users that want client to always output 100% to their audio system to simply specify --initial-volume 100%.

This would work.

Note that audio volume was recently refactored (#148) to support multiple mixer backends

• When using software volume, we can add a --initial-volume flag, as well as save volume to the cache and use that when the flag isn't passed.
• When using alsa mixing (#158), we can just use the system's volume, which is what that PR does.

I'm a bit concerned about the increasing number of command line flags, and would like to move to a more flexible config file based solution, where each audio and mixer backend can have different configuration options.

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Comment by pbros
Tuesday Mar 07, 2017 at 00:48 GMT

For applications uses a pipe or stdout (like snapcast), alsa isn't an option. In this case, the best options would be a flag or a config file since we could always use a default initial volume when instantiating librespot. If ever the calling application can save the previous volume, then we could handle the case where we want to go back to the previous level!

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Comment by goguetchapuisb
Sunday Nov 26, 2017 at 21:29 GMT

I am interested in this feature to put an initial volume. Is it possible ?

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Comment by thekr1s
Wednesday Jan 24, 2018 at 23:38 GMT

@moodeaudio I have forked a recent version of librespot and added the --progressive-volume option. It icreases the volume with smaller steps at low volume and bigger steps at high volume. This gives a much more smooth volume control. Get is at: https://github.com/thekr1s/librespot/tree/progressive-voume-control

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Comment by maxx
Wednesday Jan 24, 2018 at 23:42 GMT

@thekr1s this is awesome. thank you!

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Comment by kingosticks
Wednesday Jan 24, 2018 at 23:51 GMT

@thekr1s woah there's loads of fixes in your fork there. Some I'd love to have and I've got some queue handling improvements to share. Can we advertise that as the new master repository?

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Comment by sashahilton00
Wednesday Jan 24, 2018 at 23:53 GMT

If you guys do choose a new master repo, could you spin it up into an organisation? That way it can be handled off over time as opposed to leading to this scenario where eveyone has a different fork :)

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Comment by thekr1s
Wednesday Jan 24, 2018 at 23:58 GMT

Credits go to @ComlOnline. He merged a lot of forks with fixes. That is the reason I forked that one. I intend to push te changed to ComlOnline/librespot
This is my first step onto github, so try to find my way around....

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Comment by kingosticks
Thursday Jan 25, 2018 at 00:00 GMT

A librespot organisation is the way to go. Good idea

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Comment by ComlOnline
Thursday Jan 25, 2018 at 00:55 GMT

Oh I love the idea of an organisation. I don't like the idea of being the only one with control over a project as big of this. I was originally just picking and choosing the fixes I wanted for myself. I just went to create an organisation called "librespot" however it was sadly taken. Anyone got some other ideas?

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Comment by moodeaudio
Thursday Jan 25, 2018 at 00:57 GMT

This is a sight for sore eyes :-)

-Tim

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Comment by sashahilton00
Thursday Jan 25, 2018 at 00:58 GMT

@ComlOnline Just call it librespot-org or something. Also the joy of an organisation is I believe that you can give multiple people control

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Comment by ComlOnline
Thursday Jan 25, 2018 at 01:00 GMT

Perfect I'll do that now, That sounds wonderful.

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Comment by sashahilton00
Thursday Jan 25, 2018 at 01:05 GMT

Great. You might think about @herrernst and some of the other guys who frequented the PRs/commits :)

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Comment by ComlOnline
Thursday Jan 25, 2018 at 01:06 GMT

It is done: https://github.com/librespot-org/librespot
I'll comb through the contributors now.

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Comment by sashahilton00
Thursday Jan 25, 2018 at 01:07 GMT

Great. In the meantime, I'm going to bed :)

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Comment by sashahilton00
Thursday Jan 25, 2018 at 01:11 GMT

Also don't forget to drop @plietar a line, not sure if he's allowed/wants to to work on it given his signing off on the project, but it would obviously be beneficial if he is able to.

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Comment by ComlOnline
Thursday Jan 25, 2018 at 01:13 GMT

Sleep well, and don't worry I have already made him an owner of the org.

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Comment by thekr1s
Friday Jan 26, 2018 at 19:27 GMT

@moodeaudio @maxx, do you face the same issue as I the the volume increases too much in the first half of the volume level? If so, what platform are you using?
I face the issue on a Raspberry Pi with OSMC, with a hifiberry DAC.

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Comment by maxx
Friday Jan 26, 2018 at 21:57 GMT

@thekr1s yes - I have the same annoyance (prior to your patch)..so I was very happy to see this. I control it mainly with the iOS app, and I pipe librespot to pulse audio (where I mix with with some other home automation text to speech stuff) and then I pipe that to snapcast out to several rooms in the house. I haven't tried your patch yet - updating librespot is the cards for this weekend.

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Ah the issue where this all started.

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