res_speech_vosk.c: Fix deadlock on results reads.

alphacep / vosk-asterisk

Speech Recognition in Asterisk with Vosk Server

GNU General Public License v2.0

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res_speech_vosk.c: Fix deadlock on results reads. #50

Closed chrsmj closed 3 months ago

chrsmj commented 3 months ago

The Asterisk apps/app_speech_utils.c speech lock needs to be unlocked before attempting to read results from Vosk; otherwise, it can deadlock on long SpeechBackground() playback files. Inspired by Asterisk res/res_aeap/transport_websocket.c

Fixes: #13

nshmyrev commented 3 months ago

Great, thanks for figuring this out!