Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 331 insertions, 0 deletions

diff --git a/third_party/dav1d/src/cdef_tmpl.c b/third_party/dav1d/src/cdef_tmpl.c
new file mode 100644
index 0000000000..59439457a1
--- /dev/null
+++ b/third_party/dav1d/src/cdef_tmpl.c
@@ -0,0 +1,331 @@
+/*
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+
+#include "common/intops.h"
+
+#include "src/cdef.h"
+#include "src/tables.h"
+
+static inline int constrain(const int diff, const int threshold,
+                            const int shift)
+{
+    const int adiff = abs(diff);
+    return apply_sign(imin(adiff, imax(0, threshold - (adiff >> shift))), diff);
+}
+
+static inline void fill(int16_t *tmp, const ptrdiff_t stride,
+                        const int w, const int h)
+{
+    /* Use a value that's a large positive number when interpreted as unsigned,
+     * and a large negative number when interpreted as signed. */
+    for (int y = 0; y < h; y++) {
+        for (int x = 0; x < w; x++)
+            tmp[x] = INT16_MIN;
+        tmp += stride;
+    }
+}
+
+static void padding(int16_t *tmp, const ptrdiff_t tmp_stride,
+                    const pixel *src, const ptrdiff_t src_stride,
+                    const pixel (*left)[2],
+                    const pixel *top, const pixel *bottom,
+                    const int w, const int h, const enum CdefEdgeFlags edges)
+{
+    // fill extended input buffer
+    int x_start = -2, x_end = w + 2, y_start = -2, y_end = h + 2;
+    if (!(edges & CDEF_HAVE_TOP)) {
+        fill(tmp - 2 - 2 * tmp_stride, tmp_stride, w + 4, 2);
+        y_start = 0;
+    }
+    if (!(edges & CDEF_HAVE_BOTTOM)) {
+        fill(tmp + h * tmp_stride - 2, tmp_stride, w + 4, 2);
+        y_end -= 2;
+    }
+    if (!(edges & CDEF_HAVE_LEFT)) {
+        fill(tmp + y_start * tmp_stride - 2, tmp_stride, 2, y_end - y_start);
+        x_start = 0;
+    }
+    if (!(edges & CDEF_HAVE_RIGHT)) {
+        fill(tmp + y_start * tmp_stride + w, tmp_stride, 2, y_end - y_start);
+        x_end -= 2;
+    }
+
+    for (int y = y_start; y < 0; y++) {
+        for (int x = x_start; x < x_end; x++)
+            tmp[x + y * tmp_stride] = top[x];
+        top += PXSTRIDE(src_stride);
+    }
+    for (int y = 0; y < h; y++)
+        for (int x = x_start; x < 0; x++)
+            tmp[x + y * tmp_stride] = left[y][2 + x];
+    for (int y = 0; y < h; y++) {
+        for (int x = (y < h) ? 0 : x_start; x < x_end; x++)
+            tmp[x] = src[x];
+        src += PXSTRIDE(src_stride);
+        tmp += tmp_stride;
+    }
+    for (int y = h; y < y_end; y++) {
+        for (int x = x_start; x < x_end; x++)
+            tmp[x] = bottom[x];
+        bottom += PXSTRIDE(src_stride);
+        tmp += tmp_stride;
+    }
+
+}
+
+static NOINLINE void
+cdef_filter_block_c(pixel *dst, const ptrdiff_t dst_stride,
+                    const pixel (*left)[2],
+                    const pixel *const top, const pixel *const bottom,
+                    const int pri_strength, const int sec_strength,
+                    const int dir, const int damping, const int w, int h,
+                    const enum CdefEdgeFlags edges HIGHBD_DECL_SUFFIX)
+{
+    const ptrdiff_t tmp_stride = 12;
+    assert((w == 4 || w == 8) && (h == 4 || h == 8));
+    int16_t tmp_buf[144]; // 12*12 is the maximum value of tmp_stride * (h + 4)
+    int16_t *tmp = tmp_buf + 2 * tmp_stride + 2;
+
+    padding(tmp, tmp_stride, dst, dst_stride, left, top, bottom, w, h, edges);
+
+    if (pri_strength) {
+        const int bitdepth_min_8 = bitdepth_from_max(bitdepth_max) - 8;
+        const int pri_tap = 4 - ((pri_strength >> bitdepth_min_8) & 1);
+        const int pri_shift = imax(0, damping - ulog2(pri_strength));
+        if (sec_strength) {
+            const int sec_shift = damping - ulog2(sec_strength);
+            do {
+                for (int x = 0; x < w; x++) {
+                    const int px = dst[x];
+                    int sum = 0;
+                    int max = px, min = px;
+                    int pri_tap_k = pri_tap;
+                    for (int k = 0; k < 2; k++) {
+                        const int off1 = dav1d_cdef_directions[dir + 2][k]; // dir
+                        const int p0 = tmp[x + off1];
+                        const int p1 = tmp[x - off1];
+                        sum += pri_tap_k * constrain(p0 - px, pri_strength, pri_shift);
+                        sum += pri_tap_k * constrain(p1 - px, pri_strength, pri_shift);
+                        // if pri_tap_k == 4 then it becomes 2 else it remains 3
+                        pri_tap_k = (pri_tap_k & 3) | 2;
+                        min = umin(p0, min);
+                        max = imax(p0, max);
+                        min = umin(p1, min);
+                        max = imax(p1, max);
+                        const int off2 = dav1d_cdef_directions[dir + 4][k]; // dir + 2
+                        const int off3 = dav1d_cdef_directions[dir + 0][k]; // dir - 2
+                        const int s0 = tmp[x + off2];
+                        const int s1 = tmp[x - off2];
+                        const int s2 = tmp[x + off3];
+                        const int s3 = tmp[x - off3];
+                        // sec_tap starts at 2 and becomes 1
+                        const int sec_tap = 2 - k;
+                        sum += sec_tap * constrain(s0 - px, sec_strength, sec_shift);
+                        sum += sec_tap * constrain(s1 - px, sec_strength, sec_shift);
+                        sum += sec_tap * constrain(s2 - px, sec_strength, sec_shift);
+                        sum += sec_tap * constrain(s3 - px, sec_strength, sec_shift);
+                        min = umin(s0, min);
+                        max = imax(s0, max);
+                        min = umin(s1, min);
+                        max = imax(s1, max);
+                        min = umin(s2, min);
+                        max = imax(s2, max);
+                        min = umin(s3, min);
+                        max = imax(s3, max);
+                    }
+                    dst[x] = iclip(px + ((sum - (sum < 0) + 8) >> 4), min, max);
+                }
+                dst += PXSTRIDE(dst_stride);
+                tmp += tmp_stride;
+            } while (--h);
+        } else { // pri_strength only
+            do {
+                for (int x = 0; x < w; x++) {
+                    const int px = dst[x];
+                    int sum = 0;
+                    int pri_tap_k = pri_tap;
+                    for (int k = 0; k < 2; k++) {
+                        const int off = dav1d_cdef_directions[dir + 2][k]; // dir
+                        const int p0 = tmp[x + off];
+                        const int p1 = tmp[x - off];
+                        sum += pri_tap_k * constrain(p0 - px, pri_strength, pri_shift);
+                        sum += pri_tap_k * constrain(p1 - px, pri_strength, pri_shift);
+                        pri_tap_k = (pri_tap_k & 3) | 2;
+                    }
+                    dst[x] = px + ((sum - (sum < 0) + 8) >> 4);
+                }
+                dst += PXSTRIDE(dst_stride);
+                tmp += tmp_stride;
+            } while (--h);
+        }
+    } else { // sec_strength only
+        assert(sec_strength);
+        const int sec_shift = damping - ulog2(sec_strength);
+        do {
+            for (int x = 0; x < w; x++) {
+                const int px = dst[x];
+                int sum = 0;
+                for (int k = 0; k < 2; k++) {
+                    const int off1 = dav1d_cdef_directions[dir + 4][k]; // dir + 2
+                    const int off2 = dav1d_cdef_directions[dir + 0][k]; // dir - 2
+                    const int s0 = tmp[x + off1];
+                    const int s1 = tmp[x - off1];
+                    const int s2 = tmp[x + off2];
+                    const int s3 = tmp[x - off2];
+                    const int sec_tap = 2 - k;
+                    sum += sec_tap * constrain(s0 - px, sec_strength, sec_shift);
+                    sum += sec_tap * constrain(s1 - px, sec_strength, sec_shift);
+                    sum += sec_tap * constrain(s2 - px, sec_strength, sec_shift);
+                    sum += sec_tap * constrain(s3 - px, sec_strength, sec_shift);
+                }
+                dst[x] = px + ((sum - (sum < 0) + 8) >> 4);
+            }
+            dst += PXSTRIDE(dst_stride);
+            tmp += tmp_stride;
+        } while (--h);
+    }
+}
+
+#define cdef_fn(w, h) \
+static void cdef_filter_block_##w##x##h##_c(pixel *const dst, \
+                                            const ptrdiff_t stride, \
+                                            const pixel (*left)[2], \
+                                            const pixel *const top, \
+                                            const pixel *const bottom, \
+                                            const int pri_strength, \
+                                            const int sec_strength, \
+                                            const int dir, \
+                                            const int damping, \
+                                            const enum CdefEdgeFlags edges \
+                                            HIGHBD_DECL_SUFFIX) \
+{ \
+    cdef_filter_block_c(dst, stride, left, top, bottom, \
+                        pri_strength, sec_strength, dir, damping, w, h, edges HIGHBD_TAIL_SUFFIX); \
+}
+
+cdef_fn(4, 4);
+cdef_fn(4, 8);
+cdef_fn(8, 8);
+
+static int cdef_find_dir_c(const pixel *img, const ptrdiff_t stride,
+                           unsigned *const var HIGHBD_DECL_SUFFIX)
+{
+    const int bitdepth_min_8 = bitdepth_from_max(bitdepth_max) - 8;
+    int partial_sum_hv[2][8] = { { 0 } };
+    int partial_sum_diag[2][15] = { { 0 } };
+    int partial_sum_alt[4][11] = { { 0 } };
+
+    for (int y = 0; y < 8; y++) {
+        for (int x = 0; x < 8; x++) {
+            const int px = (img[x] >> bitdepth_min_8) - 128;
+
+            partial_sum_diag[0][     y       +  x      ] += px;
+            partial_sum_alt [0][     y       + (x >> 1)] += px;
+            partial_sum_hv  [0][     y                 ] += px;
+            partial_sum_alt [1][3 +  y       - (x >> 1)] += px;
+            partial_sum_diag[1][7 +  y       -  x      ] += px;
+            partial_sum_alt [2][3 - (y >> 1) +  x      ] += px;
+            partial_sum_hv  [1][                x      ] += px;
+            partial_sum_alt [3][    (y >> 1) +  x      ] += px;
+        }
+        img += PXSTRIDE(stride);
+    }
+
+    unsigned cost[8] = { 0 };
+    for (int n = 0; n < 8; n++) {
+        cost[2] += partial_sum_hv[0][n] * partial_sum_hv[0][n];
+        cost[6] += partial_sum_hv[1][n] * partial_sum_hv[1][n];
+    }
+    cost[2] *= 105;
+    cost[6] *= 105;
+
+    static const uint16_t div_table[7] = { 840, 420, 280, 210, 168, 140, 120 };
+    for (int n = 0; n < 7; n++) {
+        const int d = div_table[n];
+        cost[0] += (partial_sum_diag[0][n]      * partial_sum_diag[0][n] +
+                    partial_sum_diag[0][14 - n] * partial_sum_diag[0][14 - n]) * d;
+        cost[4] += (partial_sum_diag[1][n]      * partial_sum_diag[1][n] +
+                    partial_sum_diag[1][14 - n] * partial_sum_diag[1][14 - n]) * d;
+    }
+    cost[0] += partial_sum_diag[0][7] * partial_sum_diag[0][7] * 105;
+    cost[4] += partial_sum_diag[1][7] * partial_sum_diag[1][7] * 105;
+
+    for (int n = 0; n < 4; n++) {
+        unsigned *const cost_ptr = &cost[n * 2 + 1];
+        for (int m = 0; m < 5; m++)
+            *cost_ptr += partial_sum_alt[n][3 + m] * partial_sum_alt[n][3 + m];
+        *cost_ptr *= 105;
+        for (int m = 0; m < 3; m++) {
+            const int d = div_table[2 * m + 1];
+            *cost_ptr += (partial_sum_alt[n][m]      * partial_sum_alt[n][m] +
+                          partial_sum_alt[n][10 - m] * partial_sum_alt[n][10 - m]) * d;
+        }
+    }
+
+    int best_dir = 0;
+    unsigned best_cost = cost[0];
+    for (int n = 1; n < 8; n++) {
+        if (cost[n] > best_cost) {
+            best_cost = cost[n];
+            best_dir = n;
+        }
+    }
+
+    *var = (best_cost - (cost[best_dir ^ 4])) >> 10;
+    return best_dir;
+}
+
+#if HAVE_ASM
+#if ARCH_AARCH64 || ARCH_ARM
+#include "src/arm/cdef.h"
+#elif ARCH_PPC64LE
+#include "src/ppc/cdef.h"
+#elif ARCH_X86
+#include "src/x86/cdef.h"
+#endif
+#endif
+
+COLD void bitfn(dav1d_cdef_dsp_init)(Dav1dCdefDSPContext *const c) {
+    c->dir = cdef_find_dir_c;
+    c->fb[0] = cdef_filter_block_8x8_c;
+    c->fb[1] = cdef_filter_block_4x8_c;
+    c->fb[2] = cdef_filter_block_4x4_c;
+
+#if HAVE_ASM
+#if ARCH_AARCH64 || ARCH_ARM
+    cdef_dsp_init_arm(c);
+#elif ARCH_PPC64LE
+    cdef_dsp_init_ppc(c);
+#elif ARCH_X86
+    cdef_dsp_init_x86(c);
+#endif
+#endif
+}