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Capture Frame (Skipped Frame logic)

Hi,

We want to understand the skip frame logic used in Capture Encode setup.

I/p via HDMI: 720P60 fps

Encode Frame Rate : 60fps

1. We see that the h.264 encode gets alternate frames for encoding, even if we set the encoding rate is set at 60 fps.
2. Secondly if we set the Encoding rate at 30fps, we see the similar behaviour.
3. We find that there is skip frame flag that is used for setting the parameter using omx_setparams.
    Presently if 30fps is set, the value of 0x2aaaaaaa is set (i.e 101010101010101010101010101010 - Alternate frame skipped).
  
     We also tried if for skipping 40 frames out of 60 frames (0x24924924), but we see that it doesnot have any effect.
  
Request you to guide in setting the skip frame logic correctly.

Regards,
Sudeep