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Adjustable processing interval in SoundStream #1517

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Resurrection of previous PR with updated documentation. Added setter to
adjust processing interval in SoundStream for low-latency streams.
This commit is contained in:
scotth 2020-05-28 21:06:18 +09:30 • committed by Lukas Dürrenberger
parent 0337568846
commit 95c98093e9
2 changed files with 24 additions and 3 deletions
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17
include/SFML/Audio/SoundStream.hpp
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@ -251,6 +251,20 @@ protected:
////////////////////////////////////////////////////////////
virtual Int64 onLoop();
////////////////////////////////////////////////////////////
/// \brief Set the processing interval
///
/// The processing interval controls the period at which the
/// audio buffers are filled by calls to onGetData. A smaller
/// interval may be useful for low-latency streams. Note that
/// the given period is only a hint and the actual period may
/// vary. The default processing interval is 10 ms.
///
/// \param interval Processing interval
///
////////////////////////////////////////////////////////////
void setProcessingInterval(Time interval);
private:
////////////////////////////////////////////////////////////
@ -315,8 +329,9 @@ private:
unsigned int m_sampleRate; //!< Frequency (samples / second)
Uint32 m_format; //!< Format of the internal sound buffers
bool m_loop; //!< Loop flag (true to loop, false to play once)
Uint64 m_samplesProcessed; //!< Number of buffers processed since beginning of the stream
Uint64 m_samplesProcessed; //!< Number of samples processed since beginning of the stream
Int64 m_bufferSeeks[BufferCount]; //!< If buffer is an "end buffer", holds next seek position, else NoLoop. For play offset calculation.
Time m_processingInterval; //!< Interval for checking and filling the internal sound buffers.
};
} // namespace sf