29 #define POS(x, y) src[(x) + stride * (y)]
34 ((x) >> s->sps->log2_min_pu_size)
36 (s->ref->tab_mvf[(x) + (y) * min_pu_width])
37 #define MVF_PU(x, y) \
38 MVF(PU(x0 + ((x) << hshift)), PU(y0 + ((y) << vshift)))
39 #define IS_INTRA(x, y) \
41 #define MIN_TB_ADDR_ZS(x, y) \
42 s->pps->min_tb_addr_zs[(y) * s->sps->min_tb_width + (x)]
43 #define EXTEND_LEFT(ptr, start, length) \
44 for (i = (start); i > (start) - (length); i--) \
46 #define EXTEND_RIGHT(ptr, start, length) \
47 for (i = (start); i < (start) + (length); i++) \
49 #define EXTEND_UP(ptr, start, length) EXTEND_LEFT(ptr, start, length)
50 #define EXTEND_DOWN(ptr, start, length) EXTEND_RIGHT(ptr, start, length)
51 #define EXTEND_LEFT_CIP(ptr, start, length) \
52 for (i = (start); i > (start) - (length); i--) \
53 if (!IS_INTRA(i - 1, -1)) \
55 #define EXTEND_RIGHT_CIP(ptr, start, length) \
56 for (i = (start); i < (start) + (length); i++) \
57 if (!IS_INTRA(i, -1)) \
59 #define EXTEND_UP_CIP(ptr, start, length) \
60 for (i = (start); i > (start) - (length); i--) \
61 if (!IS_INTRA(-1, i - 1)) \
63 #define EXTEND_UP_CIP_0(ptr, start, length) \
64 for (i = (start); i > (start) - (length); i--) \
66 #define EXTEND_DOWN_CIP(ptr, start, length) \
67 for (i = (start); i < (start) + (length); i++) \
68 if (!IS_INTRA(-1, i)) \
72 int hshift = s->sps->hshift[c_idx];
73 int vshift = s->sps->vshift[c_idx];
74 int size = (1 << log2_size);
75 int size_in_luma = size << hshift;
76 int size_in_tbs = size_in_luma >> s->sps->log2_min_tb_size;
79 int x_tb = x0 >> s->sps->log2_min_tb_size;
80 int y_tb = y0 >> s->sps->log2_min_tb_size;
83 ptrdiff_t
stride = s->frame->linesize[c_idx] /
sizeof(
pixel);
84 pixel *src = (
pixel*)s->frame->data[c_idx] + x + y * stride;
86 int min_pu_width = s->sps->min_pu_width;
96 pixel *left = left_array + 1;
97 pixel *top = top_array + 1;
98 pixel *filtered_left = filtered_left_array + 1;
99 pixel *filtered_top = filtered_top_array + 1;
107 int bottom_left_size = (
FFMIN(y0 + 2 * size_in_luma, s->sps->height) -
108 (y0 + size_in_luma)) >> vshift;
109 int top_right_size = (
FFMIN(x0 + 2 * size_in_luma, s->sps->width) -
110 (x0 + size_in_luma)) >> hshift;
112 if (s->pps->constrained_intra_pred_flag == 1) {
113 int size_in_luma_pu =
PU(size_in_luma);
114 int on_pu_edge_x = !(x0 & ((1 << s->sps->log2_min_pu_size) - 1));
115 int on_pu_edge_y = !(y0 & ((1 << s->sps->log2_min_pu_size) - 1));
116 if (!size_in_luma_pu)
118 if (cand_bottom_left == 1 && on_pu_edge_x) {
119 int x_left_pu =
PU(x0 - 1);
120 int y_bottom_pu =
PU(y0 + size_in_luma);
121 int max =
FFMIN(size_in_luma_pu, s->sps->min_pu_height - y_bottom_pu);
122 cand_bottom_left = 0;
123 for (i = 0; i < max; i++)
124 cand_bottom_left |=
MVF(x_left_pu, y_bottom_pu + i).is_intra;
126 if (cand_left == 1 && on_pu_edge_x) {
127 int x_left_pu =
PU(x0 - 1);
128 int y_left_pu =
PU(y0);
129 int max =
FFMIN(size_in_luma_pu, s->sps->min_pu_height - y_left_pu);
131 for (i = 0; i < max; i++)
132 cand_left |=
MVF(x_left_pu, y_left_pu + i).is_intra;
134 if (cand_up_left == 1) {
135 int x_left_pu =
PU(x0 - 1);
136 int y_top_pu =
PU(y0 - 1);
137 cand_up_left =
MVF(x_left_pu, y_top_pu).is_intra;
139 if (cand_up == 1 && on_pu_edge_y) {
140 int x_top_pu =
PU(x0);
141 int y_top_pu =
PU(y0 - 1);
142 int max =
FFMIN(size_in_luma_pu, s->sps->min_pu_width - x_top_pu);
144 for (i = 0; i < max; i++)
145 cand_up |=
MVF(x_top_pu + i, y_top_pu).is_intra;
147 if (cand_up_right == 1 && on_pu_edge_y) {
148 int y_top_pu =
PU(y0 - 1);
149 int x_right_pu =
PU(x0 + size_in_luma);
150 int max =
FFMIN(size_in_luma_pu, s->sps->min_pu_width - x_right_pu);
152 for (i = 0; i < max; i++)
153 cand_up_right |=
MVF(x_right_pu + i, y_top_pu).is_intra;
160 if (cand_bottom_left) {
161 for (i = size + bottom_left_size; i < (size << 1); i++)
162 if (
IS_INTRA(-1, size + bottom_left_size - 1) ||
163 !s->pps->constrained_intra_pred_flag)
164 left[i] =
POS(-1, size + bottom_left_size - 1);
165 for (i = size + bottom_left_size - 1; i >=
size; i--)
166 if (
IS_INTRA(-1, i) || !s->pps->constrained_intra_pred_flag)
167 left[i] =
POS(-1, i);
170 for (i = size - 1; i >= 0; i--)
171 if (
IS_INTRA(-1, i) || !s->pps->constrained_intra_pred_flag)
172 left[i] =
POS(-1, i);
174 if (
IS_INTRA(-1, -1) || !s->pps->constrained_intra_pred_flag) {
175 left[-1] =
POS(-1, -1);
179 for (i = size - 1; i >= 0; i--)
180 if (
IS_INTRA(i, -1) || !s->pps->constrained_intra_pred_flag)
183 for (i = size + top_right_size; i < (size << 1); i++)
184 if (
IS_INTRA(size + top_right_size - 1, -1) ||
185 !s->pps->constrained_intra_pred_flag)
186 top[i] =
POS(size + top_right_size - 1, -1);
187 for (i = size + top_right_size - 1; i >=
size; i--)
188 if (
IS_INTRA(i, -1) || !s->pps->constrained_intra_pred_flag)
192 if (s->pps->constrained_intra_pred_flag == 1) {
193 if (cand_bottom_left || cand_left || cand_up_left || cand_up || cand_up_right) {
194 int size_max_x = x0 + ((2 *
size) << hshift) < s->sps->width ?
195 2 * size : (s->sps->width - x0) >> hshift;
196 int size_max_y = y0 + ((2 *
size) << vshift) < s->sps->height ?
197 2 * size : (s->sps->height - y0) >> vshift;
198 int j = size + (cand_bottom_left? bottom_left_size: 0) -1;
199 if (!cand_up_right) {
200 size_max_x = x0 + ((
size) << hshift) < s->sps->width ?
201 size : (s->sps->width - x0) >> hshift;
203 if (!cand_bottom_left) {
204 size_max_y = y0 + ((
size) << vshift) < s->sps->height ?
205 size : (s->sps->height - y0) >> vshift;
207 if (cand_bottom_left || cand_left || cand_up_left) {
212 while (j < size_max_x && !
IS_INTRA(j, -1))
220 while (j < size_max_x && !
IS_INTRA(j, -1))
232 if (cand_bottom_left || cand_left) {
238 if (!cand_bottom_left) {
241 if (x0 != 0 && y0 != 0) {
243 }
else if (x0 == 0) {
255 if (!cand_bottom_left) {
258 }
else if (cand_up_left) {
261 }
else if (cand_up) {
266 }
else if (cand_up_right) {
274 top[0] = left[-1] = (1 << (
BIT_DEPTH - 1));
290 if (!cand_up_right) {
297 if (c_idx == 0 && mode !=
INTRA_DC && size != 4) {
298 int intra_hor_ver_dist_thresh[] = { 7, 1, 0 };
299 int min_dist_vert_hor =
FFMIN(
FFABS((
int)mode - 26),
300 FFABS((
int)mode - 10));
301 if (min_dist_vert_hor > intra_hor_ver_dist_thresh[log2_size - 3]) {
303 if (s->sps->sps_strong_intra_smoothing_enable_flag &&
305 FFABS(top[-1] + top[63] - 2 * top[31]) < threshold &&
306 FFABS(left[-1] + left[63] - 2 * left[31]) < threshold) {
309 filtered_top[-1] = top[-1];
310 filtered_top[63] = top[63];
311 for (i = 0; i < 63; i++)
312 filtered_top[i] = ((64 - (i + 1)) * top[-1] +
313 (i + 1) * top[63] + 32) >> 6;
314 for (i = 0; i < 63; i++)
315 left[i] = ((64 - (i + 1)) * left[-1] +
316 (i + 1) * left[63] + 32) >> 6;
319 filtered_left[2 * size - 1] = left[2 * size - 1];
320 filtered_top[2 * size - 1] = top[2 * size - 1];
321 for (i = 2 * size - 2; i >= 0; i--)
322 filtered_left[i] = (left[i + 1] + 2 * left[i] +
323 left[i - 1] + 2) >> 2;
325 filtered_left[-1] = (left[0] + 2 * left[-1] + top[0] + 2) >> 2;
326 for (i = 2 * size - 2; i >= 0; i--)
327 filtered_top[i] = (top[i + 1] + 2 * top[i] +
328 top[i - 1] + 2) >> 2;
329 left = filtered_left;
342 (
uint8_t *)left, stride, log2_size, c_idx);
345 s->hpc.pred_angular[log2_size - 2]((
uint8_t *)src, (
uint8_t *)top,
346 (
uint8_t *)left, stride, c_idx,
360 for (y = 0; y < 4; y++)
361 for (x = 0; x < 4; x++)
362 POS(x, y) = ((3 - x) * left[y] + (x + 1) * top[4] +
363 (3 - y) * top[x] + (y + 1) * left[4] + 4) >> 3;
373 for (y = 0; y < 8; y++)
374 for (x = 0; x < 8; x++)
375 POS(x, y) = ((7 - x) * left[y] + (x + 1) * top[8] +
376 (7 - y) * top[x] + (y + 1) * left[8] + 8) >> 4;
386 for (y = 0; y < 16; y++)
387 for (x = 0; x < 16; x++)
388 POS(x, y) = ((15 - x) * left[y] + (x + 1) * top[16] +
389 (15 - y) * top[x] + (y + 1) * left[16] + 16) >> 5;
399 for (y = 0; y < 32; y++)
400 for (x = 0; x < 32; x++)
401 POS(x, y) = ((31 - x) * left[y] + (x + 1) * top[32] +
402 (31 - y) * top[x] + (y + 1) * left[32] + 32) >> 6;
407 ptrdiff_t
stride,
int log2_size,
int c_idx)
410 int size = (1 << log2_size);
416 for (i = 0; i <
size; i++)
417 dc += left[i] + top[i];
419 dc >>= log2_size + 1;
423 for (i = 0; i <
size; i++)
424 for (j = 0; j < size / 4; j++)
427 if (c_idx == 0 && size < 32) {
428 POS(0, 0) = (left[0] + 2 * dc + top[0] + 2) >> 2;
429 for (x = 1; x <
size; x++)
430 POS(x, 0) = (top[x] + 3 * dc + 2) >> 2;
431 for (y = 1; y <
size; y++)
432 POS(0, y) = (left[y] + 3 * dc + 2) >> 2;
439 ptrdiff_t
stride,
int c_idx,
447 static const int intra_pred_angle[] = {
448 32, 26, 21, 17, 13, 9, 5, 2, 0, -2, -5, -9, -13, -17, -21, -26, -32,
449 -26, -21, -17, -13, -9, -5, -2, 0, 2, 5, 9, 13, 17, 21, 26, 32
451 static const int inv_angle[] = {
452 -4096, -1638, -910, -630, -482, -390, -315, -256, -315, -390, -482,
453 -630, -910, -1638, -4096
456 int angle = intra_pred_angle[mode - 2];
460 int last = (size * angle) >> 5;
464 if (angle < 0 && last < -1) {
465 for (x = 0; x <=
size; x++)
466 ref_tmp[x] = top[x - 1];
467 for (x = last; x <= -1; x++)
468 ref_tmp[x] = left[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)];
472 for (y = 0; y <
size; y++) {
473 int idx = ((y + 1) * angle) >> 5;
474 int fact = ((y + 1) * angle) & 31;
476 for (x = 0; x <
size; x++) {
477 POS(x, y) = ((32 - fact) * ref[x + idx + 1] +
478 fact * ref[x + idx + 2] + 16) >> 5;
481 for (x = 0; x <
size; x++)
482 POS(x, y) = ref[x + idx + 1];
485 if (mode == 26 && c_idx == 0 && size < 32) {
486 for (y = 0; y <
size; y++)
491 if (angle < 0 && last < -1) {
492 for (x = 0; x <=
size; x++)
493 ref_tmp[x] = left[x - 1];
494 for (x = last; x <= -1; x++)
495 ref_tmp[x] = top[-1 + ((x * inv_angle[mode - 11] + 128) >> 8)];
499 for (x = 0; x <
size; x++) {
500 int idx = ((x + 1) * angle) >> 5;
501 int fact = ((x + 1) * angle) & 31;
503 for (y = 0; y <
size; y++) {
504 POS(x, y) = ((32 - fact) * ref[y + idx + 1] +
505 fact * ref[y + idx + 2] + 16) >> 5;
508 for (y = 0; y <
size; y++)
509 POS(x, y) = ref[y + idx + 1];
512 if (mode == 10 && c_idx == 0 && size < 32) {
513 for (x = 0; x <
size; x++)
521 ptrdiff_t
stride,
int c_idx,
int mode)
528 ptrdiff_t
stride,
int c_idx,
int mode)
535 ptrdiff_t
stride,
int c_idx,
int mode)
542 ptrdiff_t
stride,
int c_idx,
int mode)
547 #undef EXTEND_LEFT_CIP
548 #undef EXTEND_RIGHT_CIP
550 #undef EXTEND_DOWN_CIP
559 #undef MIN_TB_ADDR_ZS