zh~dZddlmZddlZddlZddlZddlmZddlm Z ddl m Z ddl m Z e dZdddZdS)z2Simple Text-to-Speech wrapper using ``espeak-ng``.) annotationsN)closing)Path)Optional)LOGGERztts_output.wavfr+m3textstrvoicereturnOptional[float]cdd|dtt|g} tj|dtjtjn-#t $r }t jd|Yd}~dSd}~wwxYw ttj ttd5}| | }tj||}t jd ||t#|cdddS#1swxYwYdS#t $r }t jd |Yd}~dSd}~wwxYw) aSynthesize *text* into a WAV file and return its RMS value. The RMS can be used to drive the jaw servo for basic lip-sync. Parameters ---------- text: str Sentence to speak. voice: str, default ``"fr+m3"`` Voice to use with ``espeak-ng``. Returns ------- Optional[float] Root mean square of the generated audio or ``None`` on failure. z espeak-ngz-vz-wT)checkstdoutstderrzTTS synthesis failed: %sNrbzSynthesised %s with RMS=%szFailed to analyse wav: %s)r TMP_WAV subprocessrunDEVNULL Exceptionrerrorrwaveopen readframes getnframesaudiooprms getsampwidthinfofloat)r r cmdexcwfframesrs /opt/SkullPi/tts.py synthesizer's" eT3w<< >Cs$z/A*J\]]]]]  /555ttttt TYs7||T22 3 3 r]]2==??33F+fboo&7&788C K4dC @ @ @::                     0#666tttttsT,A A3A..A374D8+A3D+ D8+D//D82D/3D88 E"EE")r)r r r r r r )__doc__ __future__rrrr contextlibrpathlibrtypingrloggerrrr'r&r0s88""""""  $        r/