almost finished setting in-out points in footage viewer

project/sequence.cpp.autosave

@@ -0,0 +1,75 @@
+#include "sequence.h"
+
+#include "project/clip.h"
+#include "effects/transition.h"
+
+#include <QDebug>
+
+Sequence::Sequence() :
+	playhead(0),
+    using_workarea(false),
+    workarea_in(0),
+    workarea_out(0),
+    wrapper_sequence(false)
+{
+}
+
+Sequence::~Sequence() {
+    // dealloc all clips
+    for (int i=0;i<clips.size();i++) {
+        delete clips.at(i);
+    }
+}
+
+Sequence* Sequence::copy() {
+    Sequence* s = new Sequence();
+    s->name = name + " (copy)";
+    s->width = width;
+    s->height = height;
+    s->frame_rate = frame_rate;
+    s->audio_frequency = audio_frequency;
+    s->audio_layout = audio_layout;
+    s->clips.resize(clips.size());
+    for (int i=0;i<clips.size();i++) {
+        Clip* c = clips.at(i);
+        if (c == NULL) {
+            s->clips[i] = NULL;
+        } else {
+            Clip* copy = c->copy(s);
+            copy->linked = c->linked;
+            s->clips[i] = copy;
+        }
+    }
+    return s;
+}
+
+long Sequence::getEndFrame() {
+    long end = 0;
+    for (int j=0;j<clips.size();j++) {
+        Clip* c = clips.at(j);
+        if (c != NULL && c->timeline_out > end) {
+            end = c->timeline_out;
+        }
+    }
+    return end;
+}
+
+void Sequence::getTrackLimits(int* video_tracks, int* audio_tracks) {
+	int vt = 0;
+	int at = 0;
+    for (int j=0;j<clips.size();j++) {
+        Clip* c = clips.at(j);
+        if (c != NULL) {
+            if (c->track < 0 && c->track < vt) { // video clip
+                vt = c->track;
+            } else if (c->track > at) {
+                at = c->track;
+            }
+        }
+	}
+	if (video_tracks != NULL) *video_tracks = vt;
+	if (audio_tracks != NULL) *audio_tracks = at;
+}
+
+// static variable for the currently active sequence
+Sequence* sequence = NULL;