0019018: WASAPI: When OS default device change Playback stops (Regression)

ID	Project	Category	View Status	Date Submitted	Last Update

0019018	MMW 5	Playback	public	2022-04-26 13:34	2023-09-26 16:31

Reporter	peke	Assigned To
Priority	urgent	Severity	minor	Reproducibility	always
Status	assigned	Resolution	open
Product Version	5.0.3
Target Version	5.1.1

Summary	0019018: WASAPI: When OS default device change Playback stops (Regression)
Description	When OS default device change Playback stops and needs to be manually restarted. Test case: 1. WASAPI playback on default device (Focusrite USB sound card) 2. Connect BT headphones -> Playback Stops once BT headphones are default device) 3. Start playback on BT headphones 4. Power off headphones -> Default gets back to Focusrite USB sound card -> Playback stops 5. Repeated steps few times. DS plugin do not have that issue and Continue playback after Default device gets changed.
Tags	No tags attached.
Attached Files	image.png (7,106 bytes) image.png (7,106 bytes)

Fixed in build

michal 2022-04-26 15:55 developer ~0067799	Log shows, that it stopped playback because each device wanted different output format, it would lead to distorted playback otherwise, that is why we stop it now, output plugin suddenly needs audio data in different format than before. Moved target to 5.0.4, I will look later, whether there could be done some usable workaround.

peke 2022-04-26 22:23 developer ~0067807 Last edited: 2022-04-27 02:12	Strange is that DS do not have the same issue with exactly the same settings. I guess the best solution would be to restart Playback (Stop -> Init new format -> Play) while position of track is position of interruption (OS Default output device change event)

michal 2022-04-27 07:22 developer ~0067814 Last edited: 2022-04-27 07:22	DS framework has its own internal output format handling, WASAPI is more straightforward. Yes, it is probably the only possibility, only risky to correctly initiate it from output plugin.