Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 204 insertions, 0 deletions

diff --git a/third_party/dav1d/src/ipred_prepare_tmpl.c b/third_party/dav1d/src/ipred_prepare_tmpl.c
new file mode 100644
index 0000000000..0bf9de9418
--- /dev/null
+++ b/third_party/dav1d/src/ipred_prepare_tmpl.c
@@ -0,0 +1,204 @@
+/*
+ * 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 <stdint.h>
+#include <string.h>
+
+#include "common/intops.h"
+
+#include "src/ipred_prepare.h"
+
+static const uint8_t av1_mode_conv[N_INTRA_PRED_MODES]
+                                  [2 /* have_left */][2 /* have_top */] =
+{
+    [DC_PRED]    = { { DC_128_PRED,  TOP_DC_PRED },
+                     { LEFT_DC_PRED, DC_PRED     } },
+    [PAETH_PRED] = { { DC_128_PRED,  VERT_PRED   },
+                     { HOR_PRED,     PAETH_PRED  } },
+};
+
+static const uint8_t av1_mode_to_angle_map[8] = {
+    90, 180, 45, 135, 113, 157, 203, 67
+};
+
+static const struct {
+    uint8_t needs_left:1;
+    uint8_t needs_top:1;
+    uint8_t needs_topleft:1;
+    uint8_t needs_topright:1;
+    uint8_t needs_bottomleft:1;
+} av1_intra_prediction_edges[N_IMPL_INTRA_PRED_MODES] = {
+    [DC_PRED]       = { .needs_top  = 1, .needs_left = 1 },
+    [VERT_PRED]     = { .needs_top  = 1 },
+    [HOR_PRED]      = { .needs_left = 1 },
+    [LEFT_DC_PRED]  = { .needs_left = 1 },
+    [TOP_DC_PRED]   = { .needs_top  = 1 },
+    [DC_128_PRED]   = { 0 },
+    [Z1_PRED]       = { .needs_top = 1, .needs_topright = 1,
+                        .needs_topleft = 1 },
+    [Z2_PRED]       = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
+    [Z3_PRED]       = { .needs_left = 1, .needs_bottomleft = 1,
+                        .needs_topleft = 1 },
+    [SMOOTH_PRED]   = { .needs_left = 1, .needs_top = 1 },
+    [SMOOTH_V_PRED] = { .needs_left = 1, .needs_top = 1 },
+    [SMOOTH_H_PRED] = { .needs_left = 1, .needs_top = 1 },
+    [PAETH_PRED]    = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
+    [FILTER_PRED]   = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
+};
+
+enum IntraPredMode
+bytefn(dav1d_prepare_intra_edges)(const int x, const int have_left,
+                                  const int y, const int have_top,
+                                  const int w, const int h,
+                                  const enum EdgeFlags edge_flags,
+                                  const pixel *const dst,
+                                  const ptrdiff_t stride,
+                                  const pixel *prefilter_toplevel_sb_edge,
+                                  enum IntraPredMode mode, int *const angle,
+                                  const int tw, const int th, const int filter_edge,
+                                  pixel *const topleft_out HIGHBD_DECL_SUFFIX)
+{
+    const int bitdepth = bitdepth_from_max(bitdepth_max);
+    assert(y < h && x < w);
+
+    switch (mode) {
+    case VERT_PRED:
+    case HOR_PRED:
+    case DIAG_DOWN_LEFT_PRED:
+    case DIAG_DOWN_RIGHT_PRED:
+    case VERT_RIGHT_PRED:
+    case HOR_DOWN_PRED:
+    case HOR_UP_PRED:
+    case VERT_LEFT_PRED: {
+        *angle = av1_mode_to_angle_map[mode - VERT_PRED] + 3 * *angle;
+
+        if (*angle <= 90)
+            mode = *angle < 90 && have_top ? Z1_PRED : VERT_PRED;
+        else if (*angle < 180)
+            mode = Z2_PRED;
+        else
+            mode = *angle > 180 && have_left ? Z3_PRED : HOR_PRED;
+        break;
+    }
+    case DC_PRED:
+    case PAETH_PRED:
+        mode = av1_mode_conv[mode][have_left][have_top];
+        break;
+    default:
+        break;
+    }
+
+    const pixel *dst_top;
+    if (have_top &&
+        (av1_intra_prediction_edges[mode].needs_top ||
+         av1_intra_prediction_edges[mode].needs_topleft ||
+         (av1_intra_prediction_edges[mode].needs_left && !have_left)))
+    {
+        if (prefilter_toplevel_sb_edge) {
+            dst_top = &prefilter_toplevel_sb_edge[x * 4];
+        } else {
+            dst_top = &dst[-PXSTRIDE(stride)];
+        }
+    }
+
+    if (av1_intra_prediction_edges[mode].needs_left) {
+        const int sz = th << 2;
+        pixel *const left = &topleft_out[-sz];
+
+        if (have_left) {
+            const int px_have = imin(sz, (h - y) << 2);
+
+            for (int i = 0; i < px_have; i++)
+                left[sz - 1 - i] = dst[PXSTRIDE(stride) * i - 1];
+            if (px_have < sz)
+                pixel_set(left, left[sz - px_have], sz - px_have);
+        } else {
+            pixel_set(left, have_top ? *dst_top : ((1 << bitdepth) >> 1) + 1, sz);
+        }
+
+        if (av1_intra_prediction_edges[mode].needs_bottomleft) {
+            const int have_bottomleft = (!have_left || y + th >= h) ? 0 :
+                                        (edge_flags & EDGE_I444_LEFT_HAS_BOTTOM);
+
+            if (have_bottomleft) {
+                const int px_have = imin(sz, (h - y - th) << 2);
+
+                for (int i = 0; i < px_have; i++)
+                    left[-(i + 1)] = dst[(sz + i) * PXSTRIDE(stride) - 1];
+                if (px_have < sz)
+                    pixel_set(left - sz, left[-px_have], sz - px_have);
+            } else {
+                pixel_set(left - sz, left[0], sz);
+            }
+        }
+    }
+
+    if (av1_intra_prediction_edges[mode].needs_top) {
+        const int sz = tw << 2;
+        pixel *const top = &topleft_out[1];
+
+        if (have_top) {
+            const int px_have = imin(sz, (w - x) << 2);
+            pixel_copy(top, dst_top, px_have);
+            if (px_have < sz)
+                pixel_set(top + px_have, top[px_have - 1], sz - px_have);
+        } else {
+            pixel_set(top, have_left ? dst[-1] : ((1 << bitdepth) >> 1) - 1, sz);
+        }
+
+        if (av1_intra_prediction_edges[mode].needs_topright) {
+            const int have_topright = (!have_top || x + tw >= w) ? 0 :
+                                      (edge_flags & EDGE_I444_TOP_HAS_RIGHT);
+
+            if (have_topright) {
+                const int px_have = imin(sz, (w - x - tw) << 2);
+
+                pixel_copy(top + sz, &dst_top[sz], px_have);
+                if (px_have < sz)
+                    pixel_set(top + sz + px_have, top[sz + px_have - 1],
+                              sz - px_have);
+            } else {
+                pixel_set(top + sz, top[sz - 1], sz);
+            }
+        }
+    }
+
+    if (av1_intra_prediction_edges[mode].needs_topleft) {
+        if (have_left)
+            *topleft_out = have_top ? dst_top[-1] : dst[-1];
+        else
+            *topleft_out = have_top ? *dst_top : (1 << bitdepth) >> 1;
+
+        if (mode == Z2_PRED && tw + th >= 6 && filter_edge)
+            *topleft_out = ((topleft_out[-1] + topleft_out[1]) * 5 +
+                            topleft_out[0] * 6 + 8) >> 4;
+    }
+
+    return mode;
+}