diff options
| author | Paul Davis <paul@linuxaudiosystems.com> | 2013-07-13 08:27:56 -0400 |
|---|---|---|
| committer | Paul Davis <paul@linuxaudiosystems.com> | 2013-07-13 08:27:56 -0400 |
| commit | 5dca8270eb589cc60c756e09bd02ce323805b741 (patch) | |
| tree | 7256a4616e31fdd401087fb672d7cfc8a3b4fc32 /gtk2_ardour/audio_region_editor.cc | |
| parent | eddcc868ba7786a7039edd1a96acbcac83499007 (diff) | |
Use PBD::GlibSemaphore on windows to signal peak
Diffstat (limited to 'gtk2_ardour/audio_region_editor.cc')
| -rw-r--r-- | gtk2_ardour/audio_region_editor.cc | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/gtk2_ardour/audio_region_editor.cc b/gtk2_ardour/audio_region_editor.cc index 2aeb2dbe60..03d3e47264 100644 --- a/gtk2_ardour/audio_region_editor.cc +++ b/gtk2_ardour/audio_region_editor.cc @@ -54,7 +54,9 @@ AudioRegionEditor::AudioRegionEditor (Session* s, boost::shared_ptr<AudioRegion> : RegionEditor (s, r) , _audio_region (r) , gain_adjustment(accurate_coefficient_to_dB(_audio_region->scale_amplitude()), -40.0, +40.0, 0.1, 1.0, 0) +#ifndef WIN32 , _peak_channel (false) +#endif { Gtk::HBox* b = Gtk::manage (new Gtk::HBox); @@ -91,7 +93,7 @@ AudioRegionEditor::AudioRegionEditor (Session* s, boost::shared_ptr<AudioRegion> PeakAmplitudeFound.connect (_peak_amplitude_connection, invalidator (*this), boost::bind (&AudioRegionEditor::peak_amplitude_found, this, _1), gui_context ()); pthread_create_and_store (X_("peak-amplitude"), &_peak_amplitude_thread_handle, _peak_amplitude_thread, this); - _peak_channel.deliver ('c'); + signal_peak_thread (); } AudioRegionEditor::~AudioRegionEditor () @@ -112,7 +114,7 @@ AudioRegionEditor::region_changed (const PBD::PropertyChange& what_changed) if (what_changed.contains (ARDOUR::Properties::start) || what_changed.contains (ARDOUR::Properties::length)) { /* ask the peak thread to run again */ - _peak_channel.deliver ('c'); + signal_peak_thread (); } } void @@ -134,12 +136,32 @@ AudioRegionEditor::gain_adjustment_changed () } void +AudioRegionEditor::signal_peak_thread () +{ +#ifdef WIN32 + m_peak_sem.post (); +#else + _peak_channel.deliver ('c'); +#endif +} + +void +AudioRegionEditor::wait_for_signal () +{ +#ifdef WIN32 + m_peak_sem.wait (); +#else + char msg; + _peak_channel.receive (msg); +#endif +} + +void AudioRegionEditor::peak_amplitude_thread () { while (1) { /* await instructions to run */ - char msg; - _peak_channel.receive (msg); + wait_for_signal (); /* compute peak amplitude and signal the fact */ PeakAmplitudeFound (accurate_coefficient_to_dB (_audio_region->maximum_amplitude ())); /* EMIT SIGNAL */ |