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Merge pull request #633 from diizy/master

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AFP: Add interpolation selector, fix segfault-causing bug with reverse m...
This commit is contained in:
Tobias Doerffel
2014-04-23 11:36:31 +02:00
parent 8ca38c4b48 fa67d0b436
commit 0e6f6eef12
4 changed files with 65 additions and 17 deletions
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16
include/SampleBuffer.h
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@@ -37,12 +37,16 @@
#include "lmms_basics.h"
#include "lmms_math.h"
#include "shared_object.h"
#include "Mixer.h"
class QPainter;
const f_cnt_t MARGIN = 4;
// values for buffer margins, used for various libsamplerate interpolation modes
// the array positions correspond to the converter_type parameter values in libsamplerate
// if there appears problems with playback on some interpolation mode, then the value for that mode
// may need to be higher - conversely, to optimize, some may work with lower values
const f_cnt_t MARGIN[] = { 64, 64, 64, 4, 4 };
class EXPORT SampleBuffer : public QObject, public sharedObject
{
@@ -56,7 +60,7 @@ public:
class EXPORT handleState
{
public:
handleState( bool _varying_pitch = false );
handleState( bool _varying_pitch = false, int interp_mode = SRC_LINEAR );
virtual ~handleState();
inline const f_cnt_t frameIndex() const
@@ -78,6 +82,11 @@ public:
{
m_isBackwards = _backwards;
}
inline int interpMode() const
{
return m_interpMode;
}
private:
@@ -85,6 +94,7 @@ public:
const bool m_varyingPitch;
bool m_isBackwards;
SRC_STATE * m_resamplingData;
int m_interpMode;
friend class SampleBuffer;