From cfd9b508a3e6b6d6063dc8143c4ab587d876db60 Mon Sep 17 00:00:00 2001
From: Rodney <rodney.baker@gmail.com>
Date: Mar 27 2021 14:31:29 +0000
Subject: Merge pull request #3825 from shun-iwasawa/fix_win_audio_recording


Fix Crash on Recording Audio on Windows
---

diff --git a/toonz/sources/toonz/audiorecordingpopup.cpp b/toonz/sources/toonz/audiorecordingpopup.cpp
index be966dc..7e6e343 100644
--- a/toonz/sources/toonz/audiorecordingpopup.cpp
+++ b/toonz/sources/toonz/audiorecordingpopup.cpp
@@ -173,11 +173,11 @@ AudioRecordingPopup::AudioRecordingPopup()
   m_probe->setSource(m_audioRecorder);
   QAudioEncoderSettings audioSettings;
   audioSettings.setCodec("audio/PCM");
-#ifdef MACOSX
+  // setting the sample rate to some value (like 44100)
+  // may cause divide-by-zero crash in QAudioDeviceInfo::nearestFormat()
+  // so here we set the value to -1, as the documentation says;
+  // "A value of -1 indicates the encoder should make an optimal choice"
   audioSettings.setSampleRate(-1);
-#else
-  audioSettings.setSampleRate(44100);
-#endif
   audioSettings.setChannelCount(1);
   audioSettings.setBitRate(16);
   audioSettings.setEncodingMode(QMultimedia::ConstantBitRateEncoding);