effects system rewrite

io/config.h

@@ -3,7 +3,7 @@
 
 #include <QString>
 
-#define SAVE_VERSION "180820" // YYMMDD
+#define SAVE_VERSION "181030" // YYMMDD
 
 #define TIMECODE_DROP 0
 #define TIMECODE_NONDROP 1

io/media.cpp

@@ -10,7 +10,9 @@ extern "C" {
 
 #include "project/clip.h"
 
-Media::Media() : ready(false), preview_gen(NULL) {}
+Media::Media() : ready(false), preview_gen(NULL) {
+    ready_lock.lock();
+}
 
 Media::~Media() {
     reset();

io/media.h

@@ -53,6 +53,7 @@ struct Media {
     bool ready;
 
 	PreviewGenerator* preview_gen;
+    QMutex ready_lock;
 
     bool using_inout;
     long in;

io/path.cpp

@@ -4,10 +4,22 @@
 #include <QFileInfo>
 #include <QCoreApplication>
 
-QString get_data_path() {
-    QString app_path = QCoreApplication::applicationFilePath();
-    QString app_dir = app_path.left(app_path.lastIndexOf('/'));
+QString real_app_dir;
 
+QString get_effects_dir() {
+    return get_app_dir() + "/effects";
+}
+
+QString get_app_dir() {
+    if (real_app_dir.isEmpty()) {
+        QString app_path = QCoreApplication::applicationFilePath();
+        real_app_dir = app_path.left(app_path.lastIndexOf('/'));
+    }
+    return real_app_dir;
+}
+
+QString get_data_path() {
+    QString app_dir = get_app_dir();
     if (QFileInfo::exists(app_dir + "/portable")) {
         return app_dir;
     } else {

io/path.h

@@ -3,6 +3,8 @@
 
 #include <QString>
 
+QString get_app_dir();
 QString get_data_path();
+QString get_effects_dir();
 
 #endif // PATH_H

io/previewgenerator.cpp

@@ -168,6 +168,7 @@ bool PreviewGenerator::retrieve_preview(const QString& hash) {
 }
 
 void PreviewGenerator::finalize_media() {
+    media->ready_lock.unlock();
 	media->ready = true;
 
 	if (media->video_tracks.size() == 0) {