50% chance of second foreground

management/commands/render.py

@@ -30,10 +30,21 @@ class Command(BaseCommand):
             json.dump(scene, fd, indent=2, ensure_ascii=False)
         if not options['no_video']:
             for timeline in timelines:
+                ext = '.mp4'
+                if '-audio.kdenlive' in timeline:
+                    ext = '.wav'
                 cmd = [
                     'xvfb-run', '-a',
                     'melt', timeline,
-                    '-consumer', 'avformat:%s' % timeline.replace('.kdenlive', '.mp4')
+                    '-consumer', 'avformat:%s' % timeline.replace('.kdenlive', ext)
                 ]
                 subprocess.call(cmd)
+                if ext == '.wav':
+                    cmd = [
+                        'ffmpeg', '-i',
+                        timeline.replace('.kdenlive', ext),
+                        timeline.replace('.kdenlive', '.mp4')
+                    ]
+                    subprocess.call(cmd)
+                    os.unlink(timeline.replace('.kdenlive', ext))
 

render.py

@@ -62,9 +62,14 @@ def compose(clips, target=150, base=1024):
             break
         length += clip['duration']
 
+        fg = clip['foreground']
+        if 'foreground2' in clip:
+            if chance(seq, 0.5):
+                fg = clip['foreground2']
+
         scene['front']['V1'].append({
             'duration': clip['duration'],
-            'src': clip['foreground'],
+            'src': fg,
             "filter": {
                 'transparency': seq() / 10,
             }
@@ -110,7 +115,7 @@ def compose(clips, target=150, base=1024):
         })
         scene['audio']['A2'].append({
             'duration': clip['duration'],
-            'src': clip['foreground'],
+            'src': fg,
         })
     return scene
 

render_kdenlive.py

@@ -19,8 +19,16 @@ class KDEnliveProject:
     def to_xml(self):
         track = self._main_tractor.xpath(".//track")[0]
         duration = max(self._duration.values())
-        track.attrib["in"] = self._sequence.attrib["in"] = self._main_tractor.attrib["in"] = "0"
+        values = {
-        track.attrib["out"] = self._sequence.attrib["out"] = self._main_tractor.attrib["out"] = str(duration - 1)
+            "in": "0",
+            "out": str(duration - 1)
+        }
+        for key, value in values.items():
+            track.attrib[key] = value
+            self._sequence.attrib[key] = value
+            self._main_tractor.attrib[key] = value
+            self._audio_tractor.attrib[key] = value
+
         self._tree.remove(self._sequence)
         self._tree.append(self._sequence)
         self._tree.remove(self._main_bin)
@@ -305,6 +313,7 @@ class KDEnliveProject:
         self._sequence = sequence
         self._main_bin = main_bin
         self._main_tractor = t4
+        self._audio_tractor = t1
         self._v1 = v1
         self._v2 = v2
         self._a1 = a1
@@ -334,7 +343,7 @@ class KDEnliveProject:
             ("kdenlive:clip_type", "0"),
             ("kdenlive:folderid", "-1"),
             ("kdenlive:id", kdenlive_id),
-            ("set.test_audio", "1"),
+            ("set.test_audio", "0"),
             ("set.test_image", "0"),
             ("xml", "was here"),
         ]: