[Live-devel] packet losses streaming within the same host
Loreno Oliveira
lorenooliveira at gmail.com
Wed Dec 27 08:14:36 PST 2006
Hi Ross,
here is all the output of openRTSP. Just one tip that I forgot to say in the
last mail: I am not using the latest verion of Live555. My version should be
three or four months old. I have just fineshed to download the latest
version right now. I will try it and post again if something goes diferent.
Thanks for the help!
Loreno
=====================================
Sending request: OPTIONS rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest
RTSP/1.0
CSeq: 1
User-Agent: ./openstream (LIVE555 Streaming Media v2006.10.12)
Received OPTIONS response: RTSP/1.0 200 OK
CSeq: 1
Date: Wed, Dec 27 2006 16:03:46 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Sending request: DESCRIBE rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest
RTSP/1.0
CSeq: 2
Accept: application/sdp
User-Agent: ./openstream (LIVE555 Streaming Media v2006.10.12)
Received DESCRIBE response: RTSP/1.0 200 OK
CSeq: 2
Date: Wed, Dec 27 2006 16:03:46 GMT
Content-Base: rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest/
Content-Type: application/sdp
Content-Length: 444
Need to read 444 extra bytes
Read 444 extra bytes: v=0
o=- 1167229720207810 1 IN IP4 10.10.22.63
s=Session streamed by "testOnDemandRTSPServer"
i=mpeg1or2AudioVideoTest
t=0 0
a=tool:LIVE555 Streaming Media v2006.10.12
a=type:broadcast
a=control:*
a=range:npt=0-36.426
a=x-qt-text-nam:Session streamed by "testOnDemandRTSPServer"
a=x-qt-text-inf:mpeg1or2AudioVideoTest
m=video 0 RTP/AVP 32
c=IN IP4 0.0.0.0
a=control:track1
m=audio 0 RTP/AVP 14
c=IN IP4 0.0.0.0
a=control:track2
Opened URL "rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest", returning a SDP
description:
v=0
o=- 1167229720207810 1 IN IP4 10.10.22.63
s=Session streamed by "testOnDemandRTSPServer"
i=mpeg1or2AudioVideoTest
t=0 0
a=tool:LIVE555 Streaming Media v2006.10.12
a=type:broadcast
a=control:*
a=range:npt=0-36.426
a=x-qt-text-nam:Session streamed by "testOnDemandRTSPServer"
a=x-qt-text-inf:mpeg1or2AudioVideoTest
m=video 0 RTP/AVP 32
c=IN IP4 0.0.0.0
a=control:track1
m=audio 0 RTP/AVP 14
c=IN IP4 0.0.0.0
a=control:track2
Created receiver for "video/MPV" subsession (client ports 32838-32839)
Created receiver for "audio/MPA" subsession (client ports 32840-32841)
Sending request: SETUP rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest/track1
RTSP/1.0
CSeq: 3
Transport: RTP/AVP;unicast;client_port=32838-32839
User-Agent: ./openstream (LIVE555 Streaming Media v2006.10.12)
Received SETUP response: RTSP/1.0 200 OK
CSeq: 3
Date: Wed, Dec 27 2006 16:03:46 GMT
Transport: RTP/AVP;unicast;destination=10.10.22.63
;client_port=32838-32839;server_port=6970-6971
Session: 6
Setup "video/MPV" subsession (client ports 32838-32839)
Sending request: SETUP rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest/track2
RTSP/1.0
CSeq: 4
Transport: RTP/AVP;unicast;client_port=32840-32841
Session: 6
User-Agent: ./openstream (LIVE555 Streaming Media v2006.10.12)
Received SETUP response: RTSP/1.0 200 OK
CSeq: 4
Date: Wed, Dec 27 2006 16:03:46 GMT
Transport: RTP/AVP;unicast;destination=10.10.22.63
;client_port=32840-32841;server_port=6972-6973
Session: 6
Setup "audio/MPA" subsession (client ports 32840-32841)
Created output file: "video-MPV-1"
Created output file: "audio-MPA-2"
Sending request: PLAY rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest
RTSP/1.0
CSeq: 5
Session: 6
Range: npt=0.000-
User-Agent: ./openstream (LIVE555 Streaming Media v2006.10.12)
Received PLAY response: RTSP/1.0 200 OK
CSeq: 5
Date: Wed, Dec 27 2006 16:03:46 GMT
Range: npt=0.000-
Session: 6
RTP-Info:
url=rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest/track1;seq=55018;rtptime=2855875734,url=rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest/track2;seq=13186;rtptime=3220261482
Started playing session
Receiving streamed data (for up to 36.425999 seconds)...
begin_QOS_statistics
server_availability 100
stream_availability 100
subsession video/MPV
num_packets_received 5196
num_packets_lost 58
elapsed_measurement_time 36.001369
kBytes_received_total 5344.128000
measurement_sampling_interval_ms 1000
kbits_per_second_min 1122.442510
kbits_per_second_ave 1187.538841
kbits_per_second_max 1759.628689
packet_loss_percentage_min 0.000000
packet_loss_percentage_ave 1.103921
packet_loss_percentage_max 20.422535
inter_packet_gap_ms_min 0.024000
inter_packet_gap_ms_ave 6.937548
inter_packet_gap_ms_max 433.730000
subsession audio/MPA
num_packets_received 282
num_packets_lost 0
elapsed_measurement_time 36.001369
kBytes_received_total 295.790000
measurement_sampling_interval_ms 1000
kbits_per_second_min 50.340929
kbits_per_second_ave 65.728612
kbits_per_second_max 108.745669
packet_loss_percentage_min 0.000000
packet_loss_percentage_ave 0.000000
packet_loss_percentage_max 0.000000
inter_packet_gap_ms_min 0.068000
inter_packet_gap_ms_ave 127.450004
inter_packet_gap_ms_max 444.890000
end_QOS_statistics
Sending request: TEARDOWN rtsp://10.10.22.63:8554/mpeg1or2AudioVideoTest
RTSP/1.0
CSeq: 6
Session: 6
User-Agent: ./openstream (LIVE555 Streaming Media v2006.10.12)
Received TEARDOWN response: RTSP/1.0 200 OK
CSeq: 6
Date: Wed, Dec 27 2006 16:04:23 GMT
=====================================
On 12/27/06, Ross Finlayson <finlayson at live555.com> wrote:
>
> >I have just made an ad hoc test with openRTSP and
> >testOnDemandRTSPServer and found a strange behavior. I am using only
> >one host for the test. Within this host I start both rtsp server and
> >client. I am using the -Q option of openRTSP for checking QoS
> >oscilations during the streaming session. For my surprise the report
> >of -Q option shows packet losses. Is this really expected? How does
> >packets are being lost within a session from and to the same host?
>
> I'm not sure. Please post the (stderr) output of running "openRTSP"
> with the "-Q" and "-V" flags.
> --
>
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
> _______________________________________________
> live-devel mailing list
> live-devel at lists.live555.com
> http://lists.live555.com/mailman/listinfo/live-devel
>
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