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Fix piper beckend audio getting discarded on windows

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Kovid Goyal 2024-09-05 14:22:38 +05:30
parent 1aa97dbcf6
commit 8166621971
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1 changed files with 3 additions and 0 deletions
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src/calibre/gui2/tts/piper.py
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@ -308,6 +308,9 @@ class Piper(TTSBackend):
self._audio_sink = QAudioSink(fmt, self) self._audio_sink = QAudioSink(fmt, self)
if s.volume is not None: if s.volume is not None:
self._audio_sink.setVolume(s.volume) self._audio_sink.setVolume(s.volume)
# On Windows, the buffer is zero causing data to be discarded.
# Ensure we have a nice large buffer on all platforms.
self._audio_sink.setBufferSize(2 * 1024 * 1024)
self._audio_sink.stateChanged.connect(self._utterances_being_spoken.audio_state_changed) self._audio_sink.stateChanged.connect(self._utterances_being_spoken.audio_state_changed)
self._process.start() self._process.start()
self._audio_sink.start(self._utterances_being_spoken) self._audio_sink.start(self._utterances_being_spoken)