allanger/paulxstretch
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Added pause playback feature with fades for smoothing

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This commit is contained in:
xenakios
2017-12-14 22:17:45 +02:00
parent 6ad663da47
commit dc86913533
4 changed files with 51 additions and 4 deletions
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42
Source/PS_Source/StretchSource.cpp
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@@ -164,6 +164,11 @@ void StretchAudioSource::setLoopXFadeLength(double lenseconds)
void StretchAudioSource::getNextAudioBlock(const AudioSourceChannelInfo & bufferToFill)
{
ScopedLock locker(m_cs);
if (m_pause_state == 2)
{
bufferToFill.buffer->clear(bufferToFill.startSample,bufferToFill.numSamples);
return;
}
if (m_stretchoutringbuf.available() > 0)
m_output_has_begun = true;
bool freezing = m_freezing;
@@ -341,8 +346,17 @@ void StretchAudioSource::getNextAudioBlock(const AudioSourceChannelInfo & buffer
}
}
//if (m_inputfile->hasEnded())
m_output_counter += bufferToFill.numSamples;
if (m_pause_state == 1)
{
bufferToFill.buffer->applyGainRamp(bufferToFill.startSample, bufferToFill.numSamples, 1.0f, 0.0f);
m_pause_state = 2;
}
if (m_pause_state == 3)
{
bufferToFill.buffer->applyGainRamp(bufferToFill.startSample, bufferToFill.numSamples, 0.0f, 1.0f);
m_pause_state = 0;
}
m_output_counter += bufferToFill.numSamples;
}
void StretchAudioSource::setNextReadPosition(int64 /*newPosition*/)
@@ -538,6 +552,30 @@ void StretchAudioSource::setFFTSize(int size)
}
}
void StretchAudioSource::setPaused(bool b)
{
if (b == true && m_pause_state>0)
return;
if (b == false && m_pause_state == 0)
return;
ScopedLock locker(m_cs);
if (b == true && m_pause_state == 0)
{
m_pause_state = 1;
return;
}
if (b == false && m_pause_state == 2)
{
m_pause_state = 3;
return;
}
}
bool StretchAudioSource::isPaused() const
{
return m_pause_state > 0;
}
void StretchAudioSource::seekPercent(double pos)
{
ScopedLock locker(m_cs);