34 static int yv12toyuy2_unscaled_altivec(
SwsContext *
c,
const uint8_t *
const src[],
35 const int srcStride[],
int srcSliceY,
36 int srcSliceH, uint8_t *
const dstParam[],
37 const int dstStride_a[])
39 uint8_t *
dst = dstParam[0] + dstStride_a[0] * srcSliceY;
42 const uint8_t *ysrc =
src[0];
43 const uint8_t *usrc =
src[1];
44 const uint8_t *vsrc =
src[2];
46 const int height = srcSliceH;
47 const int lumStride = srcStride[0];
48 const int chromStride = srcStride[1];
49 const int dstStride = dstStride_a[0];
50 const vector
unsigned char yperm = vec_lvsl(0, ysrc);
51 const int vertLumPerChroma = 2;
52 register unsigned int y;
62 for (y = 0; y <
height; y++) {
64 for (
i = 0;
i <
width - 31;
i += 32) {
65 const unsigned int j =
i >> 1;
66 vector
unsigned char v_yA = vec_ld(
i, ysrc);
67 vector
unsigned char v_yB = vec_ld(
i + 16, ysrc);
68 vector
unsigned char v_yC = vec_ld(
i + 32, ysrc);
69 vector
unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm);
70 vector
unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm);
71 vector
unsigned char v_uA = vec_ld(j, usrc);
72 vector
unsigned char v_uB = vec_ld(j + 16, usrc);
73 vector
unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc));
74 vector
unsigned char v_vA = vec_ld(j, vsrc);
75 vector
unsigned char v_vB = vec_ld(j + 16, vsrc);
76 vector
unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc));
77 vector
unsigned char v_uv_a = vec_mergeh(v_u, v_v);
78 vector
unsigned char v_uv_b = vec_mergel(v_u, v_v);
79 vector
unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a);
80 vector
unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a);
81 vector
unsigned char v_yuy2_2 = vec_mergeh(v_y2, v_uv_b);
82 vector
unsigned char v_yuy2_3 = vec_mergel(v_y2, v_uv_b);
83 vec_st(v_yuy2_0, (
i << 1),
dst);
84 vec_st(v_yuy2_1, (
i << 1) + 16,
dst);
85 vec_st(v_yuy2_2, (
i << 1) + 32,
dst);
86 vec_st(v_yuy2_3, (
i << 1) + 48,
dst);
89 const unsigned int j =
i >> 1;
90 vector
unsigned char v_y1 = vec_ld(
i, ysrc);
91 vector
unsigned char v_u = vec_ld(j, usrc);
92 vector
unsigned char v_v = vec_ld(j, vsrc);
93 vector
unsigned char v_uv_a = vec_mergeh(v_u, v_v);
94 vector
unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a);
95 vector
unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a);
96 vec_st(v_yuy2_0, (
i << 1),
dst);
97 vec_st(v_yuy2_1, (
i << 1) + 16,
dst);
99 if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
110 static int yv12touyvy_unscaled_altivec(
SwsContext *
c,
const uint8_t *
const src[],
111 const int srcStride[],
int srcSliceY,
112 int srcSliceH, uint8_t *
const dstParam[],
113 const int dstStride_a[])
115 uint8_t *
dst = dstParam[0] + dstStride_a[0] * srcSliceY;
118 const uint8_t *ysrc =
src[0];
119 const uint8_t *usrc =
src[1];
120 const uint8_t *vsrc =
src[2];
121 const int width =
c->srcW;
122 const int height = srcSliceH;
123 const int lumStride = srcStride[0];
124 const int chromStride = srcStride[1];
125 const int dstStride = dstStride_a[0];
126 const int vertLumPerChroma = 2;
127 const vector
unsigned char yperm = vec_lvsl(0, ysrc);
128 register unsigned int y;
138 for (y = 0; y <
height; y++) {
140 for (
i = 0;
i <
width - 31;
i += 32) {
141 const unsigned int j =
i >> 1;
142 vector
unsigned char v_yA = vec_ld(
i, ysrc);
143 vector
unsigned char v_yB = vec_ld(
i + 16, ysrc);
144 vector
unsigned char v_yC = vec_ld(
i + 32, ysrc);
145 vector
unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm);
146 vector
unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm);
147 vector
unsigned char v_uA = vec_ld(j, usrc);
148 vector
unsigned char v_uB = vec_ld(j + 16, usrc);
149 vector
unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc));
150 vector
unsigned char v_vA = vec_ld(j, vsrc);
151 vector
unsigned char v_vB = vec_ld(j + 16, vsrc);
152 vector
unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc));
153 vector
unsigned char v_uv_a = vec_mergeh(v_u, v_v);
154 vector
unsigned char v_uv_b = vec_mergel(v_u, v_v);
155 vector
unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1);
156 vector
unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1);
157 vector
unsigned char v_uyvy_2 = vec_mergeh(v_uv_b, v_y2);
158 vector
unsigned char v_uyvy_3 = vec_mergel(v_uv_b, v_y2);
159 vec_st(v_uyvy_0, (
i << 1),
dst);
160 vec_st(v_uyvy_1, (
i << 1) + 16,
dst);
161 vec_st(v_uyvy_2, (
i << 1) + 32,
dst);
162 vec_st(v_uyvy_3, (
i << 1) + 48,
dst);
165 const unsigned int j =
i >> 1;
166 vector
unsigned char v_y1 = vec_ld(
i, ysrc);
167 vector
unsigned char v_u = vec_ld(j, usrc);
168 vector
unsigned char v_v = vec_ld(j, vsrc);
169 vector
unsigned char v_uv_a = vec_mergeh(v_u, v_v);
170 vector
unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1);
171 vector
unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1);
172 vec_st(v_uyvy_0, (
i << 1),
dst);
173 vec_st(v_uyvy_1, (
i << 1) + 16,
dst);
175 if ((y & (vertLumPerChroma - 1)) == vertLumPerChroma - 1) {
199 c->convert_unscaled = yv12toyuy2_unscaled_altivec;
201 c->convert_unscaled = yv12touyvy_unscaled_altivec;