NUM_CLIP_SEQ
#define NUM_CLIP_SEQ(x) ((x) << 1)
#define NUM_CLIP_SEQ(x) ((x) << 1)
#define NUM_CLIP_SEQ(x) ((x) << 1)
#define NUM_CLIP_SEQ(x) ((x) << 1)
#define NUM_CLIP_SEQ(x) ((x) << 1)
#define NUM_CLIP_SEQ(x) ((x) << 1)