PIXEL_SHIFT        23 libavcodec/h264_mb_template.c #undef PIXEL_SHIFT
PIXEL_SHIFT        27 libavcodec/h264_mb_template.c #   define PIXEL_SHIFT (BITS >> 4)
PIXEL_SHIFT        30 libavcodec/h264_mb_template.c #   define PIXEL_SHIFT h->pixel_shift