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limit memory usage for large timelines, sort parts, dont delete poster after creating it

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j 2011-08-24 13:31:23 +02:00
parent 41cf9ec744
commit 16b998f760
2 changed files with 19 additions and 15 deletions
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5
pandora/item/models.py
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@ -818,7 +818,7 @@ class Item(models.Model):
def streams(self): def streams(self):
return [video.streams.filter(source=None, available=True)[0] return [video.streams.filter(source=None, available=True)[0]
for video in self.files.filter(is_video=True, active=True)] for video in self.files.filter(is_video=True, active=True).order_by('part')]
def update_timeline(self, force=False): def update_timeline(self, force=False):
config = site_config() config = site_config()
@ -938,7 +938,8 @@ class Item(models.Model):
p = subprocess.Popen(cmd) p = subprocess.Popen(cmd)
p.wait() p.wait()
for f in glob(poster.replace('.jpg', '*.jpg')): for f in glob(poster.replace('.jpg', '*.jpg')):
os.unlink(f) if f != poster:
os.unlink(f)
return poster return poster
def poster_frames(self): def poster_frames(self):

29
pandora/item/timelines.py
View file

@ -78,22 +78,25 @@ def join_timelines(timelines, prefix):
for timeline in timelines: for timeline in timelines:
tiles += sorted(glob('%s.%s.*.png'%(timeline, height))) tiles += sorted(glob('%s.%s.*.png'%(timeline, height)))
tiles = map(Image.open, tiles) timeline = Image.new("RGB", (2 * width, height))
duration = sum(map(lambda i: i.size[0], tiles))
timeline = Image.new("RGB", (duration, height))
pos = 0
for tile in tiles:
timeline.paste(tile, (pos, 0, pos+tile.size[0], height))
pos += tile.size[0]
pos = 0 pos = 0
i = 0 i = 0
while pos < timeline.size[0]: for tile in tiles:
end = min(pos+width, timeline.size[0]) tile = Image.open(tile)
timeline_name = '%s.%s.%04d.png' % (prefix, timeline.size[1], i) timeline.paste(tile, (pos, 0, pos+tile.size[0], height))
timeline.crop((pos, 0, end, timeline.size[1])).save(timeline_name) pos += tile.size[0]
pos += width if pos >= width:
i += 1 timeline_name = '%s.%s.%04d.png' % (prefix, height, i)
timeline.crop((0, 0, width, height)).save(timeline_name)
i += 1
if pos > width:
t = timeline.crop((width, 0, pos, height))
timeline.paste(t, (0, 0, t.size[0], height))
pos -= width
if pos:
timeline_name = '%s.%s.%04d.png' % (prefix, height, i)
timeline.crop((0, 0, pos, height)).save(timeline_name)
makeTiles(prefix, 16, 3600) makeTiles(prefix, 16, 3600)
makeTimelineOverview(prefix, 1920, height=16) makeTimelineOverview(prefix, 1920, height=16)