Based on the local minimal value of correlation of slice bitrate samples, it shifted the slice between different sources according to position of the minimal value.

• 该方法对不同业务中宏块条码率样本进行互相关，根据互相关函数局部极小值所对应的码率样本偏移量，将不同业务的宏块条起始位置相对平移，并实现业务累加。