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; return 1.0;
} }
using LockGuard = std::lock_guard<std::recursive_mutex>;
class AInputS final : public InputS class AInputS final : public InputS
{ {
public: public:
@ -53,7 +51,7 @@ public:
void setAudioBuffer(AudioBuffer<float>* buf, int samplerate, int len) void setAudioBuffer(AudioBuffer<float>* buf, int samplerate, int len)
{ {
LockGuard locker(m_mutex); ScopedLock locker(m_mutex);
m_afreader = nullptr; m_afreader = nullptr;
m_using_memory_buffer = true; m_using_memory_buffer = true;
m_readbuf = *buf; m_readbuf = *buf;
@ -64,7 +62,7 @@ public:
m_loop_enabled = true; m_loop_enabled = true;
m_crossfadebuf.setSize(info.nchannels, m_crossfadebuf.getNumSamples()); m_crossfadebuf.setSize(info.nchannels, m_crossfadebuf.getNumSamples());
m_cached_file_range = { 0,len }; m_cached_file_range = { 0,len };
seek(m_activerange.getStart()); seek(m_activerange.getStart(), true);
updateXFadeCache(); updateXFadeCache();
} }
virtual AudioBuffer<float>* getAudioBuffer() override virtual AudioBuffer<float>* getAudioBuffer() override
@ -79,7 +77,7 @@ public:
AudioFormatReader* reader = m_manager->createReaderFor(file); AudioFormatReader* reader = m_manager->createReaderFor(file);
if (reader) if (reader)
{ {
LockGuard locker(m_mutex); ScopedLock locker(m_mutex);
m_using_memory_buffer = false; m_using_memory_buffer = false;
m_afreader = std::unique_ptr<AudioFormatReader>(reader); m_afreader = std::unique_ptr<AudioFormatReader>(reader);
if (m_activerange.isEmpty()) if (m_activerange.isEmpty())
@ -109,7 +107,7 @@ public:
} }
int readNextBlock(AudioBuffer<float>& abuf, int nsmps, int numchans) override 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) if (m_afreader == nullptr && m_using_memory_buffer == false)
{ {
jassert(false); jassert(false);
@ -281,11 +279,14 @@ public:
updateXFadeCache(); updateXFadeCache();
//m_cached_crossfade_range = Range<int64_t>(); //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); ScopedLock locker(m_mutex);
if (immediate == true)
LockGuard locker(m_mutex); {
seekImpl(pos);
return;
}
if (m_seekfade.state == 0) if (m_seekfade.state == 0)
{ {
m_seekfade.state = 1; m_seekfade.state = 1;
@ -332,7 +333,7 @@ public:
} }
void setActiveRange(Range<double> rng) override void setActiveRange(Range<double> rng) override
{ {
LockGuard locker(m_mutex); ScopedLock locker(m_mutex);
/* /*
if (rng.contains(getCurrentPositionPercent())) if (rng.contains(getCurrentPositionPercent()))
@ -395,7 +396,7 @@ private:
int64_t m_loopcount = 0; int64_t m_loopcount = 0;
bool m_using_memory_buffer = true; bool m_using_memory_buffer = true;
AudioFormatManager* m_manager = nullptr; AudioFormatManager* m_manager = nullptr;
std::recursive_mutex m_mutex; CriticalSection m_mutex;
struct struct
{ {
int state = 0; // 0 inactive, 1 seek requested, 2 fade out, 3 fade in int state = 0; // 0 inactive, 1 seek requested, 2 fade out, 3 fade in

2
Source/PS_Source/Input/InputS.h
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@ -50,7 +50,7 @@ public:
nsmps-=readsize; 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 { struct {
int64_t nsamples=0; 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); ScopedLock locker(m_cs);
m_inputfile->setActiveRange(m_playrange); m_inputfile->setActiveRange(m_playrange);
if (m_inputfile->getActiveRange().contains(m_inputfile->getCurrentPositionPercent())==false) 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; m_firstbuffer = true;
if (m_stretchoutringbuf.getSize() < m_num_outchans*m_process_fftsize) if (m_stretchoutringbuf.getSize() < m_num_outchans*m_process_fftsize)
@ -695,7 +695,7 @@ void StretchAudioSource::seekPercent(double pos)
m_seekpos = pos; m_seekpos = pos;
//m_firstbuffer = true; //m_firstbuffer = true;
//m_resampler->Reset(); //m_resampler->Reset();
m_inputfile->seek(pos); m_inputfile->seek(pos, true);
++m_param_change_count; ++m_param_change_count;
} }

1
Source/PluginProcessor.cpp
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@ -542,6 +542,7 @@ void PaulstretchpluginAudioProcessor::prepareToPlay(double sampleRate, int sampl
m_curmaxblocksize = samplesPerBlock; m_curmaxblocksize = samplesPerBlock;
m_input_buffer.setSize(getMainBusNumInputChannels(), samplesPerBlock); m_input_buffer.setSize(getMainBusNumInputChannels(), samplesPerBlock);
*getBoolParameter(cpi_rewind) = false; *getBoolParameter(cpi_rewind) = false;
m_lastrewind = false;
int numoutchans = *m_outchansparam; int numoutchans = *m_outchansparam;
if (numoutchans != m_cur_num_out_chans) if (numoutchans != m_cur_num_out_chans)
m_prebuffering_inited = false; m_prebuffering_inited = false;