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Kovid Goyal 2024-10-23 08:43:50 +05:30
parent 6f8b4d555c
commit b31c87e3ee
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1 changed files with 6 additions and 4 deletions
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10
src/calibre/gui2/tts/piper.py
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@ -32,7 +32,7 @@ from qt.core import (
sip,
)
from calibre.constants import cache_dir, is_debugging, ismacos, iswindows, piper_cmdline
from calibre.constants import cache_dir, is_debugging, iswindows, piper_cmdline
from calibre.gui2 import error_dialog
from calibre.gui2.tts.types import TTS_EMBEDED_CONFIG, EngineSpecificSettings, Quality, TTSBackend, Voice, widget_parent
from calibre.spell.break_iterator import PARAGRAPH_SEPARATOR, split_into_sentences_for_tts
@ -421,9 +421,11 @@ class Piper(TTSBackend):
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.
# However, on Linux changing the buffer size causes audio to not
# play on some systems. See https://www.mobileread.com/forums/showthread.php?t=363881
if not iswindows and not ismacos:
# However, on Linux and macOS changing the buffer size causes audio to not
# play on some systems or play with a large delay.
# See https://www.mobileread.com/forums/showthread.php?t=363881
# and https://www.mobileread.com/forums/showthread.php?t=364225
if iswindows:
self._audio_sink.setBufferSize(2 * 1024 * 1024)
self._audio_sink.stateChanged.connect(self._utterances_being_spoken.audio_state_changed)
self._process.start()