30 static WEBP_INLINE void do_filter2(uint8_t* p, int step) {  in do_filter2()  argument
31   const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];  in do_filter2()
35   p[-step] = VP8kclip1[p0 + a2];  in do_filter2()
40 static WEBP_INLINE void do_filter4(uint8_t* p, int step) {  in do_filter4()  argument
41   const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];  in do_filter4()
46   p[-2 * step] = VP8kclip1[p1 + a3];  in do_filter4()
47   p[-    step] = VP8kclip1[p0 + a2];  in do_filter4()
49   p[     step] = VP8kclip1[q1 - a3];  in do_filter4()
53 static WEBP_INLINE void do_filter6(uint8_t* p, int step) {  in do_filter6()  argument
54   const int p2 = p[-3 * step], p1 = p[-2 * step], p0 = p[-step];  in do_filter6()
55   const int q0 = p[0], q1 = p[step], q2 = p[2 * step];  in do_filter6()
61   p[-3 * step] = VP8kclip1[p2 + a3];  in do_filter6()
62   p[-2 * step] = VP8kclip1[p1 + a2];  in do_filter6()
63   p[-    step] = VP8kclip1[p0 + a1];  in do_filter6()
65   p[     step] = VP8kclip1[q1 - a2];  in do_filter6()
66   p[ 2 * step] = VP8kclip1[q2 - a3];  in do_filter6()
69 static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) {  in hev()  argument
70   const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];  in hev()
74 static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int t) {  in needs_filter()  argument
75   const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];  in needs_filter()
80                                      int step, int t, int it) {  in needs_filter2()  argument
81   const int p3 = p[-4 * step], p2 = p[-3 * step];  in needs_filter2()
82   const int p1 = p[-2 * step], p0 = p[-step];  in needs_filter2()
83   const int q0 = p[0], q1 = p[step], q2 = p[2 * step], q3 = p[3 * step];  in needs_filter2()