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8168 decode video stream

shine zhou
Prodigy 140 points

Hi,

    I'm using 8168 with DVRRDK3.0 to decode a realtime H264 video stream, and  display it on screen,but if the video picture is static scene, and  over a period of time,the highlight area of the video picture will appear white spots accumulation. if the mostly area of video picture changed, display will be flushed and video picture turn ok, but video picture scene doesn't change during a period of time, the white spots will occur again. anyone knows something about the video stream decode or dvrrdk decode, give me some hint.

thanks a lot. 

  • 0
    TI__Guru 59700 points

    This is unlikely to be a decoder issue. You could confirm by connecting the decoder output to ipcFramesOut -> ipcFramesInHost to get the frames on A8 and save them and check if they have any white spots. If you have RDK 4.1 you could use captureWriteback scaler to capture the displayed image back to memory. You could do ipcFramesOut->ipcFramesIn or  encode captureWriteBack and check fi it has any artifacts.