google play music using audio output device when no music playing. |
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Issue descriptionI've attached a trace, a screenshot of the webpage, and the output from chrome://media-internals. Not sure if this is a google play bug or a Chrome bug. The AudioOutputDevice thread in process 38093 is processing work [probably a no-op] every 5ms. I haven't killed this browser session yet, so please let me know if there's other debugging you need from me.
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Dec 9 2016
+stromme who I think still works on play music.
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Dec 9 2016
Unfortunately, my Chrome crashed between now and then. I will repost if I see this again.
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Dec 10 2016
Saw this again. Played google play music for a while. Stopped. Came back in ~hour. channel_layout: STEREO channels: 2 component_id: 2 component_type: 1 device_id: default device_type: pcm_low_latency effects: NO_EFFECTS frames_per_buffer: 256 owner_id: 6 sample_rate: 44100 status: started channel_layout: STEREO channels: 2 component_id: 4 component_type: 1 device_id: default device_type: pcm_low_latency effects: NO_EFFECTS frames_per_buffer: 1024 owner_id: 8 render_process_id: 144 sample_rate: 44100 status: stopped web_contents_title: Opening~Bombing Mission (Final Fantasy VII) - Nobuo Uematsu - Google Play Music channel_layout: STEREO channels: 2 component_id: 0 component_type: 2 device_id: AppleHDAEngineOutput:1B,0,1,3:0 device_type: pcm_low_latency effects: NO_EFFECTS frames_per_buffer: 256 owner_id: 1 sample_rate: 44100 status: started volume: 1
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Dec 12 2016
Yeah it looks like they've started using WebAudio; which is unfortunate for a music player in terms of power consumption. At least it should suspend the context if nothing is playing. stromme@ should we route this to a buganizer? rtoy@ did support land yet for setting larger buffer sizes?
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Dec 12 2016
No, the larger buffer sizes hasn't landed yet. It's in progress, but I'm still waiting for 3 lghtms for the intent (minor tweak needed in the spec).
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Dec 13 2016
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Mar 3 2017
This issue can be closed since Google Play Music Web Player does not use WebAudio anymore. https://bugs.chromium.org/p/chromium/issues/detail?id=376317#c19 |
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Comment 1 by dalecur...@chromium.org
, Dec 9 2016