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interoperablility test : video problem, pixellation when segment switching.

Hi Darren and Patrick, i'm a engineer from another company, i did a lot of interoperablility test in the last few months. and i met a case that i don't know how to fix it.  As i read your case, i think both of  you have great expierence and information in interoperability test of CISCO devices , so could you help me or give me some guide. thank you in advance.

here is my case:

when i using CTS500+CTS3000(1.8.2) +SX20(TC 5.*)(another  Tandberg device) join a conference hold by CTMS(1.9), and when we do voice swicthing(segment switching), there is a 5% chance that CTS500's image suddenly get pixellation when switched from CTS3000 to SX20's room. for example: at the first time CTS500 watches CTS3000's middle screen ,  when do voice swicthing ,  CTS500 will be switched to watch SX20's room, and at beginning(the first 1 second ) CTS500 's image is not good, it's have a big pixellation .this looks like lost one frame from the video stream.  so i got the Log files from CTS500. and here is the related log text:

Could you help me to anylyse this case,or give me some guide or information.

Thank you very much!

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2012-12-04 07:46:04.822: ProcessSPSFrame TBV sink device 1, detected high profile change from 0 to 1

2012-12-04 07:46:04.823: ProcessSPSFrame TBV sink device 1, New incoming SPS and PPS is:

<12 bytes> 47 64 00 28 09 2c 2c a4 01 e0 08 79

<6 bytes> 48 28 4a e2 27 2c

2012-12-04 07:46:04.823: RenderMedia TBV sink device 1 frame 2237 has SPS in nal 0:

<12 bytes> 47 64 00 28 09 2c 2c a4 01 e0 08 79

2012-12-04 07:46:04.823: RenderMedia TBV sink device 1 frame 2237 has PPS in nal 1:

<6 bytes> 48 28 4a e2 27 2c

2012-12-04 07:46:04.823: RenderMedia TBV sink device 1 frame 2237 is GDR

2012-12-04 07:46:04.854: RenderMedia TBV sink device 1 frame 2237, frame gaps 9 (8)

2012-12-04 07:46:04.854: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: GDR, skipped frames 0, isLastFrameIDR true dropThreshold 5

2012-12-04 07:46:04.877: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607164877055, jitterBufferActual 71092, startRtp 3648000 nextRtp 3648000 lastSR acquire 0

2012-12-04 07:46:04.887: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: GDR, skipped frames 0, isLastFrameIDR true dropThreshold 5

2012-12-04 07:46:04.921: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: GDR, skipped frames 0, isLastFrameIDR true dropThreshold 5

2012-12-04 07:46:04.954: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: GDR, skipped frames 0, isLastFrameIDR true dropThreshold 5

2012-12-04 07:46:04.958: RenderMedia TBA sink channel 1 mEmptyFrames 0

2012-12-04 07:46:04.969: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!

2012-12-04 07:46:04.980: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607164976926 usecs, now 1354607164981025, rtp 3656640, sinkOffset -1963 jitterBufferActual 70963

2012-12-04 07:46:05.058: IsFull RTP RCV localPort 0xe020, start adjustment, usec 10954 frames 1 PendingFrameAdjust -1

2012-12-04 07:46:05.058: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165058980, jitterBufferActual 70963, startRtp 3656640 nextRtp 3656640 lastSR acquire 0

2012-12-04 07:46:05.059: DropFrames RTP RCV localPort 0xe020, frames 1

2012-12-04 07:46:05.091: AcquireMediaBackend TBV source device 0, frame 2255 (54) LTRP0

2012-12-04 07:46:05.124: TransmitNALUs RTP XMIT localPort 0xe082, transmitted LTRP0 frame seqno 36405 - 36419, DSP frame number 661966

2012-12-04 07:46:05.148: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!

2012-12-04 07:46:05.154: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: resetting counters, current skipped frames 5, isLastFrameIDR true

2012-12-04 07:46:05.157: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165156953 usecs, now 1354607165157156, rtp 3665280, sinkOffset 8008 jitterBufferActual 70992

2012-12-04 07:46:05.234: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165234908, jitterBufferActual 70992, startRtp 3665280 nextRtp 3665280 lastSR acquire 0

2012-12-04 07:46:05.254: UpdateLTRPHistory TBV sink device 1, frame 2249 (54) LTPR0

2012-12-04 07:46:05.328: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!

2012-12-04 07:46:05.337: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165336888 usecs, now 1354607165337136, rtp 3673920, sinkOffset 7909 jitterBufferActual 71091

2012-12-04 07:46:05.417: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165417200, jitterBufferActual 71091, startRtp 3673920 nextRtp 3673920 lastSR acquire 0

2012-12-04 07:46:05.508: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!

2012-12-04 07:46:05.516: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165516715 usecs, now 1354607165516986, rtp 3682560, sinkOffset 7753 jitterBufferActual 71247

2012-12-04 07:46:05.597: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165597248, jitterBufferActual 71247, startRtp 3682560 nextRtp 3682560 lastSR acquire 0

2012-12-04 07:46:05.688: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!

2012-12-04 07:46:05.697: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165696795 usecs, now 1354607165697414, rtp 3691200, sinkOffset 7928 jitterBufferActual 71072

2012-12-04 07:46:05.709: AddPacketToQueue RTP RCV localPort 0xe080, NI current fps 30.00, rtp duration 3000

2012-12-04 07:46:05.776: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165776899, jitterBufferActual 71072, startRtp 3691200 nextRtp 3691200 lastSR acquire 0

2012-12-04 07:46:05.796: AddPacket RTP RCV localPort 0xe020, OVERRUN declared,

2012-12-04 07:46:05.817: AddPacketToQueue RTP RCV localPort 0xe020, resetting jitter due to OVERRUN

2012-12-04 07:46:05.817: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165816916 usecs, now 1354607165817129, rtp 3696000, sinkOffset 8137 jitterBufferActual 70863

2012-12-04 07:46:05.854: AdjustClock TBV sink device 1, avgOccupancy 157416, targetOccupancy 118333, diff 39083 (after avsyncAddedUsec 0)

2012-12-04 07:46:05.854: AdjustClock TBV sink device 1, need to drop 1 video frames to resync

2012-12-04 07:46:05.854: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: resetting counters, current skipped frames 0, isLastFrameIDR false

2012-12-04 07:46:05.854: ForwardNextFrame RTP RCV localPort 0xe080, Received non IDR/GDR is dropped

2012-12-04 07:46:05.854: DropFrames RTP RCV localPort 0xe080, frames 1 2012-12-04 07:46:04.822: ProcessSPSFrame TBV sink device 1, detected high profile change from 0 to 1
2012-12-04 07:46:04.823: ProcessSPSFrame TBV sink device 1, New incoming SPS and PPS is:
<12 bytes> 47 64 00 28 09 2c 2c a4 01 e0 08 79
<6 bytes> 48 28 4a e2 27 2c
2012-12-04 07:46:04.823: RenderMedia TBV sink device 1 frame 2237 has SPS in nal 0:
<12 bytes> 47 64 00 28 09 2c 2c a4 01 e0 08 79
2012-12-04 07:46:04.823: RenderMedia TBV sink device 1 frame 2237 has PPS in nal 1:
<6 bytes> 48 28 4a e2 27 2c
2012-12-04 07:46:04.823: RenderMedia TBV sink device 1 frame 2237 is GDR
2012-12-04 07:46:04.854: RenderMedia TBV sink device 1 frame 2237, frame gaps 9 (8)
2012-12-04 07:46:04.854: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: GDR, skipped frames 0, isLastFrameIDR true dropThreshold 5
2012-12-04 07:46:04.877: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607164877055, jitterBufferActual 71092, startRtp 3648000 nextRtp 3648000 lastSR acquire 0
2012-12-04 07:46:04.887: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: GDR, skipped frames 0, isLastFrameIDR true dropThreshold 5
2012-12-04 07:46:04.921: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: GDR, skipped frames 0, isLastFrameIDR true dropThreshold 5
2012-12-04 07:46:04.954: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: GDR, skipped frames 0, isLastFrameIDR true dropThreshold 5
2012-12-04 07:46:04.958: RenderMedia TBA sink channel 1 mEmptyFrames 0
2012-12-04 07:46:04.969: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!
2012-12-04 07:46:04.980: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607164976926 usecs, now 1354607164981025, rtp 3656640, sinkOffset -1963 jitterBufferActual 70963
2012-12-04 07:46:05.058: IsFull RTP RCV localPort 0xe020, start adjustment, usec 10954 frames 1 PendingFrameAdjust -1
2012-12-04 07:46:05.058: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165058980, jitterBufferActual 70963, startRtp 3656640 nextRtp 3656640 lastSR acquire 0
2012-12-04 07:46:05.059: DropFrames RTP RCV localPort 0xe020, frames 1
2012-12-04 07:46:05.091: AcquireMediaBackend TBV source device 0, frame 2255 (54) LTRP0
2012-12-04 07:46:05.124: TransmitNALUs RTP XMIT localPort 0xe082, transmitted LTRP0 frame seqno 36405 - 36419, DSP frame number 661966
2012-12-04 07:46:05.148: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!
2012-12-04 07:46:05.154: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: resetting counters, current skipped frames 5, isLastFrameIDR true
2012-12-04 07:46:05.157: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165156953 usecs, now 1354607165157156, rtp 3665280, sinkOffset 8008 jitterBufferActual 70992
2012-12-04 07:46:05.234: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165234908, jitterBufferActual 70992, startRtp 3665280 nextRtp 3665280 lastSR acquire 0
2012-12-04 07:46:05.254: UpdateLTRPHistory TBV sink device 1, frame 2249 (54) LTPR0
2012-12-04 07:46:05.328: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!
2012-12-04 07:46:05.337: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165336888 usecs, now 1354607165337136, rtp 3673920, sinkOffset 7909 jitterBufferActual 71091
2012-12-04 07:46:05.417: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165417200, jitterBufferActual 71091, startRtp 3673920 nextRtp 3673920 lastSR acquire 0
2012-12-04 07:46:05.508: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!
2012-12-04 07:46:05.516: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165516715 usecs, now 1354607165516986, rtp 3682560, sinkOffset 7753 jitterBufferActual 71247
2012-12-04 07:46:05.597: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165597248, jitterBufferActual 71247, startRtp 3682560 nextRtp 3682560 lastSR acquire 0
2012-12-04 07:46:05.688: ForwardNextFrame RTP RCV localPort 0xe020, resetting jitter buffer lost 10 frames!
2012-12-04 07:46:05.697: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165696795 usecs, now 1354607165697414, rtp 3691200, sinkOffset 7928 jitterBufferActual 71072
2012-12-04 07:46:05.709: AddPacketToQueue RTP RCV localPort 0xe080, NI current fps 30.00, rtp duration 3000
2012-12-04 07:46:05.776: AcquireMedia RTP RCV localPort 0xe020, start forward at 1354607165776899, jitterBufferActual 71072, startRtp 3691200 nextRtp 3691200 lastSR acquire 0
2012-12-04 07:46:05.796: AddPacket RTP RCV localPort 0xe020, OVERRUN declared,
2012-12-04 07:46:05.817: AddPacketToQueue RTP RCV localPort 0xe020, resetting jitter due to OVERRUN
2012-12-04 07:46:05.817: AddPacket RTP RCV localPort 0xe020, jitter fill start, packet 1354607165816916 usecs, now 1354607165817129, rtp 3696000, sinkOffset 8137 jitterBufferActual 70863
2012-12-04 07:46:05.854: AdjustClock TBV sink device 1, avgOccupancy 157416, targetOccupancy 118333, diff 39083 (after avsyncAddedUsec 0)
2012-12-04 07:46:05.854: AdjustClock TBV sink device 1, need to drop 1 video frames to resync
2012-12-04 07:46:05.854: ForwardNextFrame RTP RCV localPort 0xe080, Skip P-Frame Drop: resetting counters, current skipped frames 0, isLastFrameIDR false
2012-12-04 07:46:05.854: ForwardNextFrame RTP RCV localPort 0xe080, Received non IDR/GDR is dropped
2012-12-04 07:46:05.854: DropFrames RTP RCV localPort 0xe080, frames 1

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