fragment stats

render.py

@@ -1147,3 +1147,52 @@ def unused_tags():
         for tag in sorted(unused_tags):
             count = unused_items.filter(data__tags__contains=tag).count()
             fd.write("%s (%d unused video clips)\n" % (tag, count))
+
+def fragment_statistics():
+    import itemlist.models
+    import item.models
+    stats = {}
+    for l in itemlist.models.List.objects.filter(status='featured').order_by('name'):
+        if l.name.split(' ')[0].isdigit():
+            fragment_id = l.name.split(' ')[0]
+            fragment = {
+                'id': fragment_id,
+                'name': l.name,
+                'tags': [],
+                'anti-tags': [],
+                'description': l.description
+            }
+            for con in l.query['conditions']:
+                if "conditions" in con:
+                    for sub in con["conditions"]:
+                        if sub['key'] == "tags" and sub['operator'] == '==':
+                            fragment['tags'].append(sub['value'].lower().strip())
+                        elif sub['key'] == "tags" and sub['operator'] == '!=':
+                            fragment['tags'].append(sub['value'].lower().strip())
+                        elif sub['key'] == 'type' and sub['value'] in ('source', ''):
+                            pass
+                        else:
+                            print(l.name, 'unknown sub condition', sub)
+                elif con.get('key') == "tags" and con['operator'] == '==':
+                    fragment['tags'].append(con['value'].lower().strip())
+                elif con.get('key') == "tags" and con['operator'] == '!=':
+                    fragment['anti-tags'].append(con['value'].lower().strip())
+
+            if fragment_id not in stats:
+                stats[fragment_id] = {}
+            for tag in fragment['tags']:
+                stats[fragment_id][tag] = 0
+
+            for item in l.get_items(l.user).all():
+                item_tags = [t.lower().strip() for t in item.get('tags')]
+                if set(item_tags) & set(fragment['anti-tags']):
+                    continue
+                for tag in set(fragment['tags']):
+                    if tag in item_tags:
+                        stats[fragment_id][tag] += 1
+    with open("/srv/pandora/static/power/fragments.txt", "w") as fd:
+        for fragment, data in stats.items():
+            fd.write("%s\n" % fragment)
+            for tag in sorted(data):
+                fd.write(" %s: %s\n" % (tag, data[tag]))
+    return stats

render_kdenlive.py

@@ -65,7 +65,8 @@ class KDEnliveProject:
         self, root,
         width="1920", height="1080",
         display_aspect_num="16", display_aspect_den="9",
-        frame_rate_num="24", frame_rate_den="1"
+        frame_rate_num="24", frame_rate_den="1",
+        scale_to_fill=True
     ):
         self._duration = defaultdict(int)
         self._counters = defaultdict(int)
@@ -74,6 +75,7 @@ class KDEnliveProject:
         self._height = int(height)
         self._fps = int(frame_rate_num) / int(frame_rate_den)
         self.profile = 'atsc_1080p_24'
+        self.scale_to_fill = scale_to_fill
 
         self._tree = self.get_element("mlt", attrib={
             "LC_NUMERIC": "C",
@@ -627,20 +629,38 @@ class KDEnliveProject:
         idx = self._tree.index(track) - 1
         self._tree.insert(idx, chain)
         filters_ = []
-        if track_id == 'V':
-            filters_.append({
+        if track_id[0] == 'V':
+            if self.scale_to_fill:
+                width = self._width
+                height = self._height
+                x = 0
+                y = 0
+                codec_width = chain.xpath('property[@name="meta.media.0.codec.width"]')
+                if codec_width:
+                    codec_height = chain.xpath('property[@name="meta.media.0.codec.height"]')
+                    clip_width = int(codec_width[0].text)
+                    clip_height = int(codec_height[0].text)
+                    if clip_width == width and clip_height > height:
+                        y = int((height - clip_height) / 2)
+                    elif clip_width/clip_height < width/height:
+                        target_height = int(clip_height/clip_width * width)
+                        y = int((height - target_height) / 2)
+                        height = target_height
+                        print("scale to fill %s %sx%s" % (path, width, height))
+                rect = "00:00:00.000=%s %s %s %s 1.000000" % (x, y, width, height)
+                filters_.append(
                     self.get_element("filter", [
                         ["mlt_service", "qtblend"],
                         ["kdenlive_id", "qtblend"],
                         ["rotate_center", "1"],
-                    ["rect", "00:00:00.000=0 0 %s %s 1.000000" % (self._width, self.height)],
+                        ["rect", rect],
                         ["rotation", "00:00:00.000=0"],
                         ["compositing", "0"],
                         ["distort", "0"],
                         ["kdenlive:collapsed", "0"],
                         ["disable", "0"],
                     ])
-            })
+                )
 
         for ft in filters.items():
             filters_ += self.get_filter(*ft)