public ByteBuffer encodePFrame(Picture pic, ByteBuffer _out) {
        frameNumber++;
        return doEncodeFrame(pic, _out, true, frameNumber, SliceType.P);
    }
public ByteBuffer encodePFrame(Picture pic, ByteBuffer _out) {
        frameNumber++;
        return doEncodeFrame(pic, _out, true, frameNumber, SliceType.P);
    }
public ByteBuffer encodePFrame ( Picture pic , ByteBuffer _out ) { frameNumber ++ ; return doEncodeFrame ( pic , _out , true , frameNumber , SliceType . P ) ; }
Encode this picture as a P-frame. P-frame is an frame predicted from one
or more of the previosly decoded frame and is usually 10x less in size
then the IDR frame.

@param pic
@param _out
@return
Encode this picture as a P - frame . P - frame is an frame predicted from one or more of the previosly decoded frame and is usually 10x less in size then the IDR frame .