Note that quantization in H.264 works differently from MPEG-1/2/4: H.264’s quantization parameter (QP) is on a logarithmic scale. The mapping is approximately H264QP = 12 + 6*log2(MPEGQP). For example, MPEG at QP=2 is equivalent to H.264 at QP=18.
This article discusses the efficiency of using char str[] and char *str and whether there is any reason to prefer one over the other. It explains the difference between the two and provides an example to illustrate their usage. ...
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