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Alain Takoudjou
sfu
Commits
88fbce26
Commit
88fbce26
authored
May 21, 2020
by
Juliusz Chroboczek
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Implement sendFIR.
parent
49195ef9
Changes
3
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3 changed files
with
38 additions
and
0 deletions
+38
-0
client.go
client.go
+35
-0
conn.go
conn.go
+2
-0
group.go
group.go
+1
-0
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client.go
View file @
88fbce26
...
...
@@ -908,6 +908,41 @@ func sendPLI(pc *webrtc.PeerConnection, ssrc uint32) error {
})
}
func
(
up
*
upConnection
)
sendFIR
(
track
*
upTrack
,
increment
bool
)
error
{
// we need to reliably increment the seqno, even if we are going
// to drop the packet due to rate limiting.
var
seqno
uint8
if
increment
{
seqno
=
uint8
(
atomic
.
AddUint32
(
&
track
.
firSeqno
,
1
)
&
0xFF
)
}
else
{
seqno
=
uint8
(
atomic
.
LoadUint32
(
&
track
.
firSeqno
)
&
0xFF
)
}
if
!
track
.
hasRtcpFb
(
"ccm"
,
"fir"
)
{
return
ErrUnsupportedFeedback
}
last
:=
atomic
.
LoadUint64
(
&
track
.
lastFIR
)
now
:=
mono
.
Microseconds
()
if
now
>=
last
&&
now
-
last
<
200000
{
return
ErrRateLimited
}
atomic
.
StoreUint64
(
&
track
.
lastFIR
,
now
)
return
sendFIR
(
up
.
pc
,
track
.
track
.
SSRC
(),
seqno
)
}
func
sendFIR
(
pc
*
webrtc
.
PeerConnection
,
ssrc
uint32
,
seqno
uint8
)
error
{
return
pc
.
WriteRTCP
([]
rtcp
.
Packet
{
&
rtcp
.
FullIntraRequest
{
FIR
:
[]
rtcp
.
FIREntry
{
rtcp
.
FIREntry
{
SSRC
:
ssrc
,
SequenceNumber
:
seqno
,
},
},
},
})
}
func
sendREMB
(
pc
*
webrtc
.
PeerConnection
,
ssrc
uint32
,
bitrate
uint64
)
error
{
return
pc
.
WriteRTCP
([]
rtcp
.
Packet
{
&
rtcp
.
ReceiverEstimatedMaximumBitrate
{
...
...
conn.go
View file @
88fbce26
...
...
@@ -31,6 +31,8 @@ type upTrack struct {
jitter
*
jitter
.
Estimator
maxBitrate
uint64
lastPLI
uint64
lastFIR
uint64
firSeqno
uint32
lastSenderReport
uint32
lastSenderReportTime
uint32
...
...
group.go
View file @
88fbce26
...
...
@@ -112,6 +112,7 @@ func addGroup(name string, desc *groupDescription) (*group, error) {
{
"goog-remb"
,
""
},
{
"nack"
,
""
},
{
"nack"
,
"pli"
},
{
"ccm"
,
"fir"
},
},
""
,
))
...
...
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