allanger/paulxstretch
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Use CriticalSection in audio source. Add bool argument for seek to get immediate seeks. etc

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This commit is contained in:
xenakios 2018-05-31 13:55:32 +03:00
parent 1f8f57666d
commit b8e408a73e
4 changed files with 18 additions and 16 deletions
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25
Source/PS_Source/Input/AInputS.h
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@ -36,8 +36,6 @@ inline double ramp(int64_t pos, int64_t totallen, int64_t rampinlen, int64_t ram
return 1.0;
}
using LockGuard = std::lock_guard<std::recursive_mutex>;
class AInputS final : public InputS
{
public:
@ -53,7 +51,7 @@ public:
void setAudioBuffer(AudioBuffer<float>* buf, int samplerate, int len)
{
LockGuard locker(m_mutex);
ScopedLock locker(m_mutex);
m_afreader = nullptr;
m_using_memory_buffer = true;
m_readbuf = *buf;
@ -64,7 +62,7 @@ public:
m_loop_enabled = true;
m_crossfadebuf.setSize(info.nchannels, m_crossfadebuf.getNumSamples());
m_cached_file_range = { 0,len };
seek(m_activerange.getStart());
seek(m_activerange.getStart(), true);
updateXFadeCache();
}
virtual AudioBuffer<float>* getAudioBuffer() override
@ -79,7 +77,7 @@ public:
AudioFormatReader* reader = m_manager->createReaderFor(file);
if (reader)
{
LockGuard locker(m_mutex);
ScopedLock locker(m_mutex);
m_using_memory_buffer = false;
m_afreader = std::unique_ptr<AudioFormatReader>(reader);
if (m_activerange.isEmpty())
@ -109,7 +107,7 @@ public:
}
int readNextBlock(AudioBuffer<float>& abuf, int nsmps, int numchans) override
{
LockGuard locker(m_mutex);
ScopedLock locker(m_mutex);
if (m_afreader == nullptr && m_using_memory_buffer == false)
{
jassert(false);
@ -281,11 +279,14 @@ public:
updateXFadeCache();
//m_cached_crossfade_range = Range<int64_t>();
}
void seek(double pos) override //0=start,1.0=end
void seek(double pos, bool immediate) override //0=start,1.0=end
{
//seekImpl(pos);
LockGuard locker(m_mutex);
ScopedLock locker(m_mutex);
if (immediate == true)
{
seekImpl(pos);
return;
}
if (m_seekfade.state == 0)
{
m_seekfade.state = 1;
@ -332,7 +333,7 @@ public:
}
void setActiveRange(Range<double> rng) override
{
LockGuard locker(m_mutex);
ScopedLock locker(m_mutex);
/*
if (rng.contains(getCurrentPositionPercent()))
@ -395,7 +396,7 @@ private:
int64_t m_loopcount = 0;
bool m_using_memory_buffer = true;
AudioFormatManager* m_manager = nullptr;
std::recursive_mutex m_mutex;
CriticalSection m_mutex;
struct
{
int state = 0; // 0 inactive, 1 seek requested, 2 fade out, 3 fade in

2
Source/PS_Source/Input/InputS.h
View File

@ -50,7 +50,7 @@ public:
nsmps-=readsize;
};
};
virtual void seek(double pos)=0;//0=start,1.0=end
virtual void seek(double pos, bool immediate)=0;//0=start,1.0=end
struct {
int64_t nsamples=0;

4
Source/PS_Source/StretchSource.cpp
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@ -505,7 +505,7 @@ void StretchAudioSource::initObjects()
ScopedLock locker(m_cs);
m_inputfile->setActiveRange(m_playrange);
if (m_inputfile->getActiveRange().contains(m_inputfile->getCurrentPositionPercent())==false)
m_inputfile->seek(m_playrange.getStart());
m_inputfile->seek(m_playrange.getStart(), true);
m_firstbuffer = true;
if (m_stretchoutringbuf.getSize() < m_num_outchans*m_process_fftsize)
@ -695,7 +695,7 @@ void StretchAudioSource::seekPercent(double pos)
m_seekpos = pos;
//m_firstbuffer = true;
//m_resampler->Reset();
m_inputfile->seek(pos);
m_inputfile->seek(pos, true);
++m_param_change_count;
}

1
Source/PluginProcessor.cpp
View File

@ -542,6 +542,7 @@ void PaulstretchpluginAudioProcessor::prepareToPlay(double sampleRate, int sampl
m_curmaxblocksize = samplesPerBlock;
m_input_buffer.setSize(getMainBusNumInputChannels(), samplesPerBlock);
*getBoolParameter(cpi_rewind) = false;
m_lastrewind = false;
int numoutchans = *m_outchansparam;
if (numoutchans != m_cur_num_out_chans)
m_prebuffering_inited = false;