28 static WEBP_INLINE void do_filter2(uint8_t* p, int step) {  in do_filter2()  argument
29   const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];  in do_filter2()
33   p[-step] = VP8kclip1[p0 + a2];  in do_filter2()
38 static WEBP_INLINE void do_filter4(uint8_t* p, int step) {  in do_filter4()  argument
39   const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];  in do_filter4()
44   p[-2 * step] = VP8kclip1[p1 + a3];  in do_filter4()
45   p[-    step] = VP8kclip1[p0 + a2];  in do_filter4()
47   p[     step] = VP8kclip1[q1 - a3];  in do_filter4()
51 static WEBP_INLINE void do_filter6(uint8_t* p, int step) {  in do_filter6()  argument
52   const int p2 = p[-3 * step], p1 = p[-2 * step], p0 = p[-step];  in do_filter6()
53   const int q0 = p[0], q1 = p[step], q2 = p[2 * step];  in do_filter6()
58   p[-3 * step] = VP8kclip1[p2 + a3];  in do_filter6()
59   p[-2 * step] = VP8kclip1[p1 + a2];  in do_filter6()
60   p[-    step] = VP8kclip1[p0 + a1];  in do_filter6()
62   p[     step] = VP8kclip1[q1 - a2];  in do_filter6()
63   p[ 2 * step] = VP8kclip1[q2 - a3];  in do_filter6()
66 static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) {  in hev()  argument
67   const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];  in hev()
71 static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int thresh) {  in needs_filter()  argument
72   const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];  in needs_filter()
77                                      int step, int t, int it) {  in needs_filter2()  argument
78   const int p3 = p[-4 * step], p2 = p[-3 * step];  in needs_filter2()
79   const int p1 = p[-2 * step], p0 = p[-step];  in needs_filter2()
80   const int q0 = p[0], q1 = p[step], q2 = p[2 * step], q3 = p[3 * step];  in needs_filter2()