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How to understand the terms of skip frame in h264 encoder?

Toure Yaya
Prodigy 150 points


Hi,all:

As to skip frame in h264 encoder.I heard that but I didn't understand.

When I say skip frame I mean force skip frame.So.

1.

Why we need force skip frame ? When or at what time we need force skip frame ?

What's the skip frame mode for?

2.

Does skip frame mean that at certain time we don't encode the current frame or skip frame and we

just repeat the last frame in the display side?

3.

I heard someone said that force skip frame is to reduce the bits rate or bitstream .Isn't true?

Thanks!

  • 0
    TI__Mastermind 40090 points

    Hi Toure Yaya, there are different scenarios on which you want to have a skip frame, one is your need keep in constant bit-rate and due to the resolution, fps or video content the only way to do it is eventually coding a frame as a skip frame. Another scenario that I can think is if you have a tight budget of MIPS to spend, you might save some cycles if you use skip frame instead of coding the frame with Inter/Intra MB.

    In H.264, my understanding is that you can have a skip frame if all the MBs are mark as skip MBs.

    Thank you,

    Paula