When using Android soundpool/audioTrack, I keep getting the following error:
AudioFlinger could not create track, status: -12
Error creating AudioTrack
Can anyone explain what -12
is? Is it the value of some enum from the source code?
I've seen other questions that deal with error -12
but nowhere conclusively do I see what that constant actually stands for. Does someone know the list of the possible statuses for AudioFlinger? I've also seen error -22
around, but I don't know what that means either.
Answers backed up by source code or documentation would be best, but I'll take any information I can get at this point.
-12 is ENOMEM Not enough space
-22 is EINVAL Invalid argument.
These are standard POSIX error codes
-12 means that you can not create a track anymore. Android Audio Framework allows only 32 tracks(includes playing/stopped/paused/...) per mixer thread at the same time.
try to remove some apps on background, you can create one.
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