CameraHal: Avoid deadlocks when re-using a tapout
- Locking inside 'takePicture()' is sometimes possible
when re-using the same SurfaceTexture. This is due
to the blocking nature of the dequeue call inside
'BufferSourceAdapter::handleFrameReturn()' which
does acquire 'mLock' upon entering. The solution
is to handle this particular case by reusing the
buffers that were previously allocated and avoiding
any calls to the Adapter which might try to lock
'mLock'.
Change-Id: I6c4e49fd84df2659c0466b6f89c88916f93a6b8d
Signed-off-by: Emilian Peev <epeev@mm-sol.com>
Signed-off-by: Vladimir Petrov <vppetrov@mm-sol.com>
2 files changed