X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Faudio_region_editor.cc;h=2041d20335feb17e289c4d488db29f4817214416;hb=c4be8c2a676adb0810fdc5d2a9dc1577f654a274;hp=e06e50f113558e363c312b2cb724890ce601a261;hpb=0938a42440cc82ce8d0cb064840c258c863714ab;p=ardour.git

diff --git a/gtk2_ardour/audio_region_editor.cc b/gtk2_ardour/audio_region_editor.cc
index e06e50f113..2041d20335 100644
--- a/gtk2_ardour/audio_region_editor.cc
+++ b/gtk2_ardour/audio_region_editor.cc
@@ -17,22 +17,21 @@
 
 */
 
+#include <cmath>
+
+#include <gtkmm2ext/utils.h>
+
 #include "pbd/memento_command.h"
 #include "pbd/stateful_diff_command.h"
 #include "pbd/pthread_utils.h"
 
-#include "ardour/session.h"
 #include "ardour/audioregion.h"
-#include "ardour/playlist.h"
-#include "ardour/utils.h"
+#include "ardour/session_event.h"
 #include "ardour/dB.h"
-#include <gtkmm2ext/utils.h>
-#include <cmath>
 
 #include "audio_region_editor.h"
 #include "audio_region_view.h"
 #include "ardour_ui.h"
-#include "utils.h"
 #include "gui_thread.h"
 
 #include "i18n.h"
@@ -54,7 +53,9 @@ 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 PLATFORM_WINDOWS
 	, _peak_channel (false)
+#endif
 {
 
 	Gtk::HBox* b = Gtk::manage (new Gtk::HBox);
@@ -91,7 +92,7 @@ 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 +113,7 @@ 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
@@ -133,13 +134,33 @@ AudioRegionEditor::gain_adjustment_changed ()
 	}
 }
 
+void
+AudioRegionEditor::signal_peak_thread ()
+{
+#ifdef PLATFORM_WINDOWS
+	m_peak_sem.post ();
+#else
+	_peak_channel.deliver ('c');
+#endif
+}
+
+void
+AudioRegionEditor::wait_for_signal ()
+{
+#ifdef PLATFORM_WINDOWS
+	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 */