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Diffstat (limited to 'demos/spectrum/app/utils.cpp')
| -rw-r--r-- | demos/spectrum/app/utils.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/demos/spectrum/app/utils.cpp b/demos/spectrum/app/utils.cpp index 4ead6c2..49a7626 100644 --- a/demos/spectrum/app/utils.cpp +++ b/demos/spectrum/app/utils.cpp @@ -49,8 +49,10 @@ qint64 audioDuration(const QAudioFormat &format, qint64 bytes) qint64 audioLength(const QAudioFormat &format, qint64 microSeconds) { - return (format.frequency() * format.channels() * (format.sampleSize() / 8)) + qint64 result = (format.frequency() * format.channels() * (format.sampleSize() / 8)) * microSeconds / 1000000; + result -= result % (format.channelCount() * format.sampleSize()); + return result; } qreal nyquistFrequency(const QAudioFormat &format) |