|
![](/i/fill.gif) |
>> I'm not really comprehending the significance of the distinction
>> between P frames and B frames...
>
> P frames are differences from the previous I frame.
>
> B frames are differences from the preceding and following frames,
> whether they be I or P or B.
>
> In other words, you can't play a B frame at all without all the data
> between one I frame and the next.
I get that there are full frames and difference frames. I'm just not
really understanding why there are two different kinds of difference
frames...
> Ever try to skip forward and back in a youtube video? Those jumps
> *there* are the I frames (or whatever equivalent).
Yeah, I figured that out a long time ago. ;-) Presumably otherwise you'd
only have one I frame, right at the very start.
Post a reply to this message
|
![](/i/fill.gif) |