Change in libosmo-abis[master]: ortp: resynchronize rtp session on timestamp changes

2018-05-30 Thread Pau Espin Pedrol
Pau Espin Pedrol has posted comments on this change. ( 
https://gerrit.osmocom.org/9379 )

Change subject: ortp: resynchronize rtp session on timestamp changes
..


Patch Set 3: Code-Review-1

(1 comment)

https://gerrit.osmocom.org/#/c/9379/3//COMMIT_MSG
Commit Message:

https://gerrit.osmocom.org/#/c/9379/3//COMMIT_MSG@7
PS3, Line 7: ortp: resynchronize rtp session on timestamp changes
I guess should be "reset rtp session on SSRC changes"



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Change in libosmo-abis[master]: ortp: resynchronize rtp session on timestamp changes

2018-05-30 Thread dexter
Hello Jenkins Builder,

I'd like you to reexamine a change. Please visit

https://gerrit.osmocom.org/9379

to look at the new patch set (#3).

Change subject: ortp: resynchronize rtp session on timestamp changes
..

ortp: resynchronize rtp session on timestamp changes

When libortp detects a timestamp jump, we resynchronize the session
in order to restore proper rtp frame reception. However, we do not
resynchronize on an SSRC change. An SSRC change usually indicates
the change of an RTP stream source, which is a much more profound
event than a timestamp change, so we should even reset the session
on SSRC changes.

Also, not resynchronizing the session on an SSRC change causes
problems when the jitter buffer feature is used. In those cases
it takes libortp a long time until it finally detects the timestamp
jump and the session resyhcornization happens late.

- reset the ession on SSRC changes by calling rtp_session_reset()

Change-Id: I8688a55cd20d0e14493c357db80754851e12f2fb
Related OS#3299
---
M src/trau/osmo_ortp.c
1 file changed, 2 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmo-abis refs/changes/79/9379/3
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Gerrit-CC: Pau Espin Pedrol 


Change in libosmo-abis[master]: ortp: resynchronize rtp session on timestamp changes

2018-05-30 Thread dexter
Hello Jenkins Builder,

I'd like you to reexamine a change. Please visit

https://gerrit.osmocom.org/9379

to look at the new patch set (#2).

Change subject: ortp: resynchronize rtp session on timestamp changes
..

ortp: resynchronize rtp session on timestamp changes

When libortp detects a timestamp jump, we resynchronize the session
in order to restore proper rtp frame reception. However, we do not
resynchronize on an SSRC change. An SSRC change usually indicates
the change of an RTP stream source, which is a much more profound
event than a timestamp change, so we should resynchronize the
session on SSRC changes as well.

Also, not resynchronizing the session on an SSRC change causes
problems when the jitter buffer feature is used. In those cases
it takes libortp a long time until it finally detects the timestamp
jump and the session resyhcornization happens late.

Change-Id: I8688a55cd20d0e14493c357db80754851e12f2fb
Related OS#3299
---
M src/trau/osmo_ortp.c
1 file changed, 2 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmo-abis refs/changes/79/9379/2
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Change in libosmo-abis[master]: ortp: resynchronize rtp session on timestamp changes

2018-05-30 Thread dexter
dexter has posted comments on this change. ( https://gerrit.osmocom.org/9379 )

Change subject: ortp: resynchronize rtp session on timestamp changes
..


Patch Set 1:

I am not entirely sure. I have tried both, and both work fine. When I look in 
the code I can see that the reset functions resets a lot of flags and counters 
too. I am not sure if this data is still needed or not, but presumably you are 
right. I will change it for reset.


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Change in libosmo-abis[master]: ortp: resynchronize rtp session on timestamp changes

2018-05-30 Thread Pau Espin Pedrol
Pau Espin Pedrol has posted comments on this change. ( 
https://gerrit.osmocom.org/9379 )

Change subject: ortp: resynchronize rtp session on timestamp changes
..


Patch Set 1:

(1 comment)

https://gerrit.osmocom.org/#/c/9379/1/src/trau/osmo_ortp.c
File src/trau/osmo_ortp.c:

https://gerrit.osmocom.org/#/c/9379/1/src/trau/osmo_ortp.c@118
PS1, Line 118:  rtp_session_resync(rs);
> What about using rtp_session_reset here?
https://www.linphone.org/docs/ortp/rtpsession_8h.html#a87c96ff6a38bd0683165040af5ec1418



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Change in libosmo-abis[master]: ortp: resynchronize rtp session on timestamp changes

2018-05-30 Thread Pau Espin Pedrol
Pau Espin Pedrol has posted comments on this change. ( 
https://gerrit.osmocom.org/9379 )

Change subject: ortp: resynchronize rtp session on timestamp changes
..


Patch Set 1:

(1 comment)

https://gerrit.osmocom.org/#/c/9379/1/src/trau/osmo_ortp.c
File src/trau/osmo_ortp.c:

https://gerrit.osmocom.org/#/c/9379/1/src/trau/osmo_ortp.c@118
PS1, Line 118:  rtp_session_resync(rs);
What about using rtp_session_reset here?



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