QT 7.6: Half of the HD H.264 video stream is grey ( QT 7.5.5 works fine )

Hi,
I have a problem while playing video from:
http://83.170.73.198/IvTattooHD.sdp
Lower half of the video is grey when playing using QT 7.6 but it's displayed correctly by QT version 7.5.5.
This video uses I and P slices and each slice is sent in two fragments - halves of the image. Upper half displays correctly but the lower one displays correctly I-slices only. P-slices are painted over the grey background instead of the I-slices. If the stream contains I-slices only, everything is ok.
The video stream is streamed using Darwin streaming server, but the same problem occurs when I play video directly from the camera.
Video is also played correctly when the payload is stored using e.g. Wireshark.
Is it bug in new QT or is there something wrong with my stream?
Thanks for your help.

We had also another problem with this stream previously. Maybe it is related to this one.
The problem was that QT 7.5.5. QT expected the number of reference frames to be set to 2 even if there is actually one reference frame only (but composed of two half-frames). This bug caused that the lower half of the image has not been painted correctly and also caused a memory leak and crash of QT.
It seems to be fixed now in QT 7.6 - memory consumption seems to be stable, but the second half of the reference frame is still not stored/reused for P-slice rendering.

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De : sarika02
Envoyé : 17 juin 2014 19:26
À : Daniel Cloutier
Objet : On photoshop element 12 when I open a .MTS file I have the sound with a black screen if I open a .mov it work fine I have uninstall and reinstall I still have the same problem can you help?
On photoshop element 12 when I open a .MTS file I have the sound with a black screen if I open a .mov it work fine I have uninstall and reinstall I still have the same problem can you help?
created by sarika02 <https://forums.adobe.com/people/sarika02> in Photoshop Elements - View the full discussion <https://forums.adobe.com/message/6466796#6466796>

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