diff audioio/AudioJACKTarget.cpp @ 91:9fc4b256c283

* PortAudio driver: do not specify frames per buffer, let PA decide
* Remove old non-RubberBand time stretcher -- it doesn't work with varying
  buffer sizes such as the PA driver may now be using
* Rewrite getCurrentPlayingFrame for greater correctness when using long
  buffer sizes (interpolating according to audio stream timestamp)
* Several changes to make the timestretch management RT safe(r)

--- a/audioio/AudioJACKTarget.cpp	Thu Feb 07 12:35:08 2008 +0000
+++ b/audioio/AudioJACKTarget.cpp	Fri Feb 08 17:51:15 2008 +0000
@@ -257,6 +257,10 @@
 {
     std::cerr << "AudioJACKTarget::~AudioJACKTarget()" << std::endl;
 
+    if (m_source) {
+        m_source->setTarget(0, m_bufferSize);
+    }
+
     shutdown();
 
     if (m_client) {
@@ -293,6 +297,16 @@
     return (m_client != 0);
 }
 
+double
+AudioJACKTarget::getCurrentTime() const
+{
+    if (m_client && m_sampleRate) {
+        return double(jack_frame_time(m_client)) / double(m_sampleRate);
+    } else {
+        return 0.0;
+    }
+}
+
 int
 AudioJACKTarget::processStatic(jack_nframes_t nframes, void *arg)
 {
@@ -310,7 +324,7 @@
 {
     m_mutex.lock();
 
-    m_source->setTargetBlockSize(m_bufferSize);
+    m_source->setTarget(this, m_bufferSize);
     m_source->setTargetSampleRate(m_sampleRate);
 
     size_t channels = m_source->getSourceChannelCount();