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authorJoerg Mueller <nexyon@gmail.com>2011-08-16 17:00:55 +0400
committerJoerg Mueller <nexyon@gmail.com>2011-08-16 17:00:55 +0400
commit02d2472baacd8ac091a29392a2bc9ac8693fb5e7 (patch)
treedfd8a80ce8c1771a318a46120c81514836ed4b2d /intern/audaspace/FX/AUD_BaseIIRFilterReader.h
parenta67562e73cbc2f4a9641fbc4d1147b4b2cc935c4 (diff)
3D Audio GSoC:
Code documentation. Also: * Fix: rlint for MSVC. * Minor other small fixes/changes.
Diffstat (limited to 'intern/audaspace/FX/AUD_BaseIIRFilterReader.h')
-rw-r--r--intern/audaspace/FX/AUD_BaseIIRFilterReader.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/intern/audaspace/FX/AUD_BaseIIRFilterReader.h b/intern/audaspace/FX/AUD_BaseIIRFilterReader.h
index 644bcffbfaf..6bf877d66da 100644
--- a/intern/audaspace/FX/AUD_BaseIIRFilterReader.h
+++ b/intern/audaspace/FX/AUD_BaseIIRFilterReader.h
@@ -97,11 +97,21 @@ protected:
void setLengths(int in, int out);
public:
+ /**
+ * Retrieves the last input samples.
+ * \param pos The position, valid are 0 (current) or negative values.
+ * \return The sample value.
+ */
inline sample_t x(int pos)
{
return m_x[(m_xpos + pos + m_xlen) % m_xlen * m_specs.channels + m_channel];
}
+ /**
+ * Retrieves the last output samples.
+ * \param pos The position, valid are negative values.
+ * \return The sample value.
+ */
inline sample_t y(int pos)
{
return m_y[(m_ypos + pos + m_ylen) % m_ylen * m_specs.channels + m_channel];
@@ -111,7 +121,16 @@ public:
virtual void read(int& length, bool& eos, sample_t* buffer);
+ /**
+ * Runs the filtering function.
+ * \return The current output sample value.
+ */
virtual sample_t filter()=0;
+
+ /**
+ * Notifies the filter about a sample rate change.
+ * \param rate The new sample rate.
+ */
virtual void sampleRateChanged(AUD_SampleRate rate);
};