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Less scrub lag: avoid redundant disk traffic in Mixer...

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Also improves performance in bug 860, but not as much as the special case
patch for that bug in Bugzilla
This commit is contained in:
Paul-Licameli
2016-05-15 10:06:51 -05:00
committed by Paul Licameli
parent 52910f4f07
commit 6eaff838f2
2 changed files with 28 additions and 28 deletions
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11
src/Mix.h
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@@ -14,16 +14,16 @@
#include "MemoryX.h"
#include <wx/string.h>
#include "SampleFormat.h"
#include "Resample.h"
class Resample;
class DirManager;
class TimeTrack;
class TrackFactory;
class TrackList;
class WaveTrack;
class WaveTrackConstArray;
class WaveTrackCache;
/** @brief Mixes together all input tracks, applying any envelopes, amplitude
* gain, panning, and real-time effects in the process.
@@ -141,10 +141,10 @@ class AUDACITY_DLL_API Mixer {
private:
void Clear();
sampleCount MixSameRate(int *channelFlags, const WaveTrack *src,
sampleCount MixSameRate(int *channelFlags, WaveTrackCache &cache,
sampleCount *pos);
sampleCount MixVariableRates(int *channelFlags, const WaveTrack *track,
sampleCount MixVariableRates(int *channelFlags, WaveTrackCache &cache,
sampleCount *pos, float *queue,
int *queueStart, int *queueLen,
Resample * pResample);
@@ -152,7 +152,8 @@ class AUDACITY_DLL_API Mixer {
private:
// Input
int mNumInputTracks;
const WaveTrack **mInputTrack;
WaveTrackCache *mInputTrack;
bool mbVariableRates;
const TimeTrack *mTimeTrack;
sampleCount *mSamplePos;