<s>
RTMPDump	B-Operating_System
is	O
a	O
free	B-Application
software	I-Application
project	O
dedicated	O
to	O
develop	O
a	O
toolkit	O
for	O
RTMP	B-Operating_System
streams	O
.	O
</s>
<s>
The	O
package	O
includes	O
three	O
programs	O
,	O
rtmpdump	B-Operating_System
,	O
rtmpsrv	O
and	O
rtmpsuck	O
.	O
</s>
<s>
rtmpdump	B-Operating_System
is	O
used	O
to	O
connect	O
to	O
RTMP	B-Operating_System
servers	O
just	O
like	O
normal	O
Flash	B-Operating_System
video	I-Operating_System
player	O
clients	O
,	O
and	O
capture	O
the	O
stream	O
from	O
the	O
network	O
,	O
and	O
save	O
it	O
to	O
a	O
file	O
.	O
</s>
<s>
With	O
it	O
,	O
commands	O
may	O
be	O
constructed	O
using	O
connection	O
and	O
authentication	O
information	O
previously	O
obtained	O
from	O
the	O
RTMP	B-Operating_System
server	O
by	O
rtmpsrv	O
.	O
</s>
<s>
The	O
utility	O
has	O
been	O
noted	O
for	O
its	O
small	O
size	O
and	O
its	O
ability	O
to	O
decrypt	O
both	O
RTMPE	O
(	O
Encrypted	O
RTMP	B-Operating_System
)	O
and	O
RTMPS	B-Operating_System
(	O
Secure	O
RTMP	B-Operating_System
)	O
Digital	O
Rights	O
Management	O
technologies	O
.	O
</s>
<s>
Adobe	O
Systems	O
Inc	O
.	O
asserted	O
that	O
rtmpdump	B-Operating_System
,	O
in	O
a	O
2009	O
Digital	O
Millennium	O
Copyright	O
Act	O
Cease	O
and	O
Desist	O
order	O
issued	O
against	O
SourceForge	B-Application
,	O
"	O
can	O
be	O
used	O
"	O
to	O
infringe	O
copyrights	O
,	O
without	O
claiming	O
actual	O
use	O
.	O
</s>
<s>
As	O
of	O
2009	O
,	O
SourceForge	B-Application
had	O
removed	O
the	O
project	O
files	O
,	O
providing	O
the	O
message	O
"	O
The	O
project	O
specified	O
has	O
been	O
flagged	O
as	O
deleted	O
"	O
.	O
</s>
<s>
From	O
November	O
2009	O
onwards	O
,	O
the	O
project	O
has	O
been	O
hosted	O
as	O
a	O
Git	B-Application
repository	O
at	O
MPlayer	B-Application
's	O
website	O
,	O
MplayerHQ.hu	O
.	O
</s>
<s>
In	O
negotiating	O
a	O
connection	O
,	O
an	O
RTMP	B-Operating_System
client	O
sends	O
and	O
receives	O
a	O
data	O
stream	O
containing	O
multiple	O
elements	O
,	O
as	O
a	O
single	O
command	O
line	O
.	O
</s>
<s>
The	O
parts	O
comprising	O
the	O
-a	O
(	O
or	O
--app	O
)	O
element	O
must	O
be	O
incorporated	O
in	O
it	O
in	O
the	O
order	O
shown	O
above	O
,	O
as	O
the	O
sequence	O
in	O
which	O
its	O
parts	O
are	O
received	O
by	O
the	O
RTMP	B-Operating_System
server	O
is	O
critical	O
.	O
</s>
<s>
The	O
parts	O
comprising	O
the	O
-a	O
(	O
or	O
--app	O
)	O
element	O
must	O
be	O
incorporated	O
in	O
it	O
in	O
the	O
order	O
shown	O
above	O
,	O
as	O
the	O
sequence	O
in	O
which	O
its	O
parts	O
are	O
received	O
by	O
the	O
RTMP	B-Operating_System
server	O
is	O
critical	O
.	O
</s>
<s>
Note	O
-	O
The	O
above	O
describes	O
the	O
simplified	O
form	O
,	O
whereby	O
the	O
stream	O
is	O
first	O
saved	O
to	O
the	O
user	O
's	O
hard	O
disk	O
,	O
to	O
be	O
played	O
back	O
thereafter	O
in	O
a	O
media	O
player	O
capable	O
of	O
playing	O
an	O
FLV	B-Operating_System
encoded	O
file	O
(	O
H.263	O
or	O
H.264	O
encoding	O
)	O
,	O
such	O
as	O
GOM	B-Application
Player	I-Application
.	O
</s>
<s>
-f	O
:	O
This	O
specifies	O
the	O
version	O
of	O
the	O
Flash	B-Operating_System
plugin	I-Operating_System
installed	O
on	O
the	O
user	O
's	O
computer	O
.	O
</s>
<s>
For	O
example	O
,	O
-f	O
"	O
WIN	O
9	O
,	O
0	O
,	O
260	O
,	O
0	O
"	O
would	O
indicate	O
the	O
user	O
has	O
the	O
Windows	O
version	O
of	O
Flash	B-Operating_System
Player	I-Operating_System
9	I-Operating_System
,	O
release	O
260	O
.	O
</s>
