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| author | Kurt Korbatits <kurt.korbatits@nokia.com> | 2010-05-19 01:10:39 (GMT) |
|---|---|---|
| committer | Kurt Korbatits <kurt.korbatits@nokia.com> | 2010-05-19 01:10:39 (GMT) |
| commit | 787e9d163dea6b9423c21fbcbe4a7b82f06cb4b3 (patch) | |
| tree | fc571239a2782d1d7fa5ec7327f6cbb0409cda5c /src/multimedia/audio | |
| parent | dc2e494acbd0a8e371c9fd92aef2da6975c5cccb (diff) | |
| download | Qt-787e9d163dea6b9423c21fbcbe4a7b82f06cb4b3.zip Qt-787e9d163dea6b9423c21fbcbe4a7b82f06cb4b3.tar.gz Qt-787e9d163dea6b9423c21fbcbe4a7b82f06cb4b3.tar.bz2 | |
The documentation for processedUSecs() is ambiguous
Task-number:QTBUG-10759
Reviewed-by:Justin McPherson
Diffstat (limited to 'src/multimedia/audio')
| -rw-r--r-- | src/multimedia/audio/qaudiooutput.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/multimedia/audio/qaudiooutput.cpp b/src/multimedia/audio/qaudiooutput.cpp index 371773c..cf3b79c 100644 --- a/src/multimedia/audio/qaudiooutput.cpp +++ b/src/multimedia/audio/qaudiooutput.cpp @@ -369,8 +369,17 @@ int QAudioOutput::notifyInterval() const } /*! - Returns the amount of audio data processed since start() + Returns the amount of audio data processed by the class since start() was called in microseconds. + + Note: The amount of audio data played can be determined by subtracting + the microseconds of audio data still in the systems audio buffer. + + \code + qint64 bytesInBuffer = bufferSize() - bytesFree(); + qint64 usInBuffer = (qint64)(1000000) * bytesInBuffer / ( channels() * sampleSize() / 8 ) / frequency(); + qint64 usPlayed = processedUSecs() - usInBuffer; + \endcode */ qint64 QAudioOutput::processedUSecs() const |