492 static inline void do_filter2(uint8_t* p, int step) {  in do_filter2()  argument
493   const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];  in do_filter2()
497   p[-step] = clip1[255 + p0 + a2];  in do_filter2()
502 static inline void do_filter4(uint8_t* p, int step) {  in do_filter4()  argument
503   const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];  in do_filter4()
508   p[-2*step] = clip1[255 + p1 + a3];  in do_filter4()
509   p[-  step] = clip1[255 + p0 + a2];  in do_filter4()
511   p[   step] = clip1[255 + q1 - a3];  in do_filter4()
515 static inline void do_filter6(uint8_t* p, int step) {  in do_filter6()  argument
516   const int p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step];  in do_filter6()
517   const int q0 = p[0], q1 = p[step], q2 = p[2*step];  in do_filter6()
522   p[-3*step] = clip1[255 + p2 + a3];  in do_filter6()
523   p[-2*step] = clip1[255 + p1 + a2];  in do_filter6()
524   p[-  step] = clip1[255 + p0 + a1];  in do_filter6()
526   p[   step] = clip1[255 + q1 - a2];  in do_filter6()
527   p[ 2*step] = clip1[255 + q2 - a3];  in do_filter6()
530 static inline int hev(const uint8_t* p, int step, int thresh) {  in hev()  argument
531   const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];  in hev()
535 static inline int needs_filter(const uint8_t* p, int step, int thresh) {  in needs_filter()  argument
536   const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];  in needs_filter()
540 static inline int needs_filter2(const uint8_t* p, int step, int t, int it) {  in needs_filter2()  argument
541   const int p3 = p[-4*step], p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step];  in needs_filter2()
542   const int q0 = p[0], q1 = p[step], q2 = p[2*step], q3 = p[3*step];  in needs_filter2()