ok, i am a step closer, i now implemented range requests:
def sendFileRange(req, contenttype, fname, delivername):
try:
fsize=os.path.getsize(fname)
except:
raise Http404
pos1=0
pos2=fsize-1
if req.META.has_key('HTTP_RANGE'):
arr=req.META['HTTP_RANGE'].split('=')
if (len(arr)>1) and (arr[0]=='bytes'):
r=arr[1]
values=r.split('-')
if len(values)>1:
if (r[0]=='-'):
p1=0
p2=int(values[1])
elif (r[-1]=='-'):
p1=int(values[0])
p2=fsize-1
else:
p1=int(values[0])
p2=int(values[1])
if (p2>p1):
pos1=p1
pos2=p2
numbytes=(pos2-pos1)+1
try:
f=open(fname,'rb')
f.seek(pos1)
data=f.read(numbytes)
f.close()
except:
raise Http404
resp=HttpResponse(data, contenttype, 206)
resp['Accept-Ranges']='bytes'
if req.META.has_key('HTTP_RANGE'):
resp['Content-Range']='bytes %d-%d/%d' % (pos1, pos2,
fsize)
resp['Content-Length'] = numbytes
resp['Content-Disposition'] = 'attachment; filename=%s' %
(delivername)
return resp
def download(req, video_id, video_type):
ctype='';
if (video_type=='ogv'):
ctype='video/ogg'
elif (video_type=='mp4'):
ctype='video/mp4'
if (ctype==''):
raise Http404
fname='%s%s.%s' % (settings.VIDEO_ROOT, 'test', video_type)
return sendFileRange(req, ctype, fname, 'video%d.%s' %
(int(video_id), video_type))
this works now for firefox and i assume all other theora playing
browsers, but chrome and IE, that play the mp4 file fail, actually the
django server fails:
with IE9 i get:
[24/Dec/2010 21:32:09] code 400, message Bad request version ('RTSP/
1.0')
[24/Dec/2010 21:32:09] "DESCRIBE rtsp://mysite:8000/myapp/download/1.mp4
RTSP/1.0" 400 -
Traceback (most recent call last):
File "/usr/lib/python2.4/site-packages/Django-1.2.3-py2.4.egg/django/
core/servers/basehttp.py", line 281, in run
self.finish_response()
File "/usr/lib/python2.4/site-packages/Django-1.2.3-py2.4.egg/django/
core/servers/basehttp.py", line 321, in finish_response
self.write(data)
File "/usr/lib/python2.4/site-packages/Django-1.2.3-py2.4.egg/django/
core/servers/basehttp.py", line 417, in write
self._write(data)
File "/usr/lib64/python2.4/socket.py", line 256, in write
self.flush()
File "/usr/lib64/python2.4/socket.py", line 243, in flush
self._sock.sendall(buffer)
error: (32, 'Broken pipe')
with chrome the same, but without the RTSP lines
any ideas?
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