torrent seeding

This commit is contained in:
j 2011-07-03 18:21:27 +02:00
parent 4e472cf223
commit 5f87203531
4 changed files with 79 additions and 7 deletions

View file

@ -9,6 +9,7 @@ from glob import glob
import shutil
import uuid
import unicodedata
from urllib import quote
from django.db import models
from django.db.models import Sum
@ -17,6 +18,7 @@ from django.utils import simplejson as json
from django.conf import settings
from django.contrib.auth.models import User, Group
from django.db.models.signals import pre_delete
from django.contrib.sites.models import Site
import ox
from ox.django import fields
@ -119,6 +121,9 @@ class Item(models.Model):
icon = models.ImageField(default=None, blank=True,
upload_to=lambda i, x: i.path("icon.jpg"))
torrent = models.FileField(default=None, blank=True,
upload_to=lambda i, x: i.path('torrent.torrent'))
#stream related fields
stream_aspect = models.FloatField(default=4/3)
@ -614,6 +619,58 @@ class Item(models.Model):
return videos
def make_torrent(self):
base = self.path('torrent')
base = os.path.abspath(os.path.join(settings.MEDIA_ROOT, base))
if os.path.exists(base):
shutil.rmtree(base)
os.makedirs(base)
base = self.path('torrent/%s' % self.get('title'))
base = os.path.abspath(os.path.join(settings.MEDIA_ROOT, base))
size = 0
duration = 0.0
if len(self.main_videos()) == 1:
url = "%s/torrent/%s.webm" % (self.get_absolute_url(),
quote(self.get('title').encode('utf-8')))
video = "%s.webm" % base
v = self.main_videos()[0]
os.symlink(v.video.path, video)
info = ox.avinfo(video)
size = info.get('size', 0)
duration = info.get('duration', 0.0)
else:
url = "%s/torrent/" % self.get_absolute_url()
part = 1
os.makedirs(base)
for v in self.main_videos():
video = "%s/%s.Part %d.webm" % (base, self.get('title'), part)
part += 1
os.symlink(v.video.path, video)
info = ox.avinfo(video)
size += info.get('size', 0)
duration += info.get('duration', 0.0)
video = base
torrent = '%s.torrent' % base
url = "http://%s%s" % (Site.objects.get_current().domain, url)
meta = {
'target': torrent,
'url-list': url,
}
if duration:
meta['playtime'] = ox.formatDuration(duration*1000)[:-4]
#slightly bigger torrent file but better for streaming
piece_size_pow2 = 15 #1 mbps -> 32KB pieces
if size / duration >= 1000000:
piece_size_pow2 = 16 #2 mbps -> 64KB pieces
meta['piece_size_pow2'] = piece_size_pow2
ox.torrent.createTorrent(video, settings.TRACKER_URL, meta)
self.torrent.name = self.path('torrent/%s.torrent' % self.get('title'))
self.save()
def update_streams(self):
files = {}
for f in self.main_videos():

View file

@ -6,12 +6,9 @@ from django.conf.urls.defaults import *
urlpatterns = patterns("item.views",
(r'^(?P<id>[A-Z0-9].*)/frame/(?P<size>\d+)/(?P<position>[0-9\.,]+).jpg$', 'frame'),
(r'^(?P<id>[A-Z0-9].*)/(?P<oshash>[a-f0-9]+)/(?P<profile>.*\.webm)$', 'video'),
(r'^(?P<id>[A-Z0-9].*)/(?P<oshash>[a-f0-9]+)/(?P<profile>.*\.ogv)$', 'video'),
(r'^(?P<id>[A-Z0-9].*)/(?P<oshash>[a-f0-9]+)/(?P<profile>.*\.mp4)$', 'video'),
(r'^(?P<id>[A-Z0-9].*)/(?P<profile>.*\.webm)$', 'video'),
(r'^(?P<id>[A-Z0-9].*)/(?P<profile>.*\.ogv)$', 'video'),
(r'^(?P<id>[A-Z0-9].*)/(?P<profile>.*\.mp4)$', 'video'),
(r'^(?P<id>[A-Z0-9].*)/(?P<oshash>[a-f0-9]+)/(?P<profile>.*\.(?P<format>webm|ogv|mp4))$', 'video'),
(r'^(?P<id>[A-Z0-9][A-Za-z0-9]+)/torrent/(?P<filename>.*?)$', 'torrent'),
(r'^(?P<id>[A-Z0-9].*)/(?P<profile>.*\.(?P<format>webm|ogv|mp4))$', 'video'),
(r'^(?P<id>[A-Z0-9].*)/poster\.(?P<size>\d+)\.jpg$', 'poster'),
(r'^(?P<id>[A-Z0-9].*)/poster\.(?P<size>large)\.jpg$', 'poster'),
(r'^(?P<id>[A-Z0-9].*)/poster\.jpg$', 'poster'),

View file

@ -581,8 +581,24 @@ def timeline_overview(request, id, size):
timeline = '%s.%s.png' %(item.timeline_prefix, size)
return HttpFileResponse(timeline, content_type='image/png')
def torrent(request, id, filename=None):
item = get_object_or_404(models.Item, itemId=id)
if not item.torrent:
raise Http404
if not filename or filename.endswith('.torrent'):
response = HttpFileResponse(item.torrent.path,
content_type='application/x-bittorrent')
filename = "%s.torrent" % item.get('title')
response['Content-Disposition'] = 'attachment; filename="%s"' % filename
return response
while filename.startswith('/'):
filename = filename[1:]
filename = filename.replace('/../', '/')
filename = item.path('torrent/%s' % filename)
filename = os.path.abspath(os.path.join(settings.MEDIA_ROOT, filename))
return HttpFileResponse(filename)
def video(request, id, profile, oshash=None):
def video(request, id, profile, oshash=None, format=None):
item = get_object_or_404(models.Item, itemId=id)
if oshash:
stream = get_object_or_404(item.files, oshash=oshash)

View file

@ -172,6 +172,8 @@ DEFAULT_THEME = "classic"
VIDEO_PROFILE = '96p.webm'
VIDEO_DERIVATIVES = []
TRACKER_URL="http://url2torrent.net:6970/announce"
#0xdb
'''
VIDEO_PROFILE = '96p.webm'