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path: root/thirdparty/libvpx/vp8/common/reconinter.c
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-rw-r--r--thirdparty/libvpx/vp8/common/reconinter.c544
1 files changed, 544 insertions, 0 deletions
diff --git a/thirdparty/libvpx/vp8/common/reconinter.c b/thirdparty/libvpx/vp8/common/reconinter.c
new file mode 100644
index 0000000000..e302595587
--- /dev/null
+++ b/thirdparty/libvpx/vp8/common/reconinter.c
@@ -0,0 +1,544 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#include <limits.h>
+#include <string.h>
+
+#include "vpx_config.h"
+#include "vp8_rtcd.h"
+#include "vpx/vpx_integer.h"
+#include "blockd.h"
+#include "reconinter.h"
+#if CONFIG_RUNTIME_CPU_DETECT
+#include "onyxc_int.h"
+#endif
+
+void vp8_copy_mem16x16_c(
+ unsigned char *src,
+ int src_stride,
+ unsigned char *dst,
+ int dst_stride)
+{
+
+ int r;
+
+ for (r = 0; r < 16; r++)
+ {
+ memcpy(dst, src, 16);
+
+ src += src_stride;
+ dst += dst_stride;
+
+ }
+
+}
+
+void vp8_copy_mem8x8_c(
+ unsigned char *src,
+ int src_stride,
+ unsigned char *dst,
+ int dst_stride)
+{
+ int r;
+
+ for (r = 0; r < 8; r++)
+ {
+ memcpy(dst, src, 8);
+
+ src += src_stride;
+ dst += dst_stride;
+
+ }
+
+}
+
+void vp8_copy_mem8x4_c(
+ unsigned char *src,
+ int src_stride,
+ unsigned char *dst,
+ int dst_stride)
+{
+ int r;
+
+ for (r = 0; r < 4; r++)
+ {
+ memcpy(dst, src, 8);
+
+ src += src_stride;
+ dst += dst_stride;
+
+ }
+
+}
+
+
+void vp8_build_inter_predictors_b(BLOCKD *d, int pitch, unsigned char *base_pre, int pre_stride, vp8_subpix_fn_t sppf)
+{
+ int r;
+ unsigned char *pred_ptr = d->predictor;
+ unsigned char *ptr;
+ ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
+
+ if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
+ {
+ sppf(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, pred_ptr, pitch);
+ }
+ else
+ {
+ for (r = 0; r < 4; r++)
+ {
+ pred_ptr[0] = ptr[0];
+ pred_ptr[1] = ptr[1];
+ pred_ptr[2] = ptr[2];
+ pred_ptr[3] = ptr[3];
+ pred_ptr += pitch;
+ ptr += pre_stride;
+ }
+ }
+}
+
+static void build_inter_predictors4b(MACROBLOCKD *x, BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride)
+{
+ unsigned char *ptr;
+ ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
+
+ if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
+ {
+ x->subpixel_predict8x8(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
+ }
+ else
+ {
+ vp8_copy_mem8x8(ptr, pre_stride, dst, dst_stride);
+ }
+}
+
+static void build_inter_predictors2b(MACROBLOCKD *x, BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride)
+{
+ unsigned char *ptr;
+ ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
+
+ if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
+ {
+ x->subpixel_predict8x4(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
+ }
+ else
+ {
+ vp8_copy_mem8x4(ptr, pre_stride, dst, dst_stride);
+ }
+}
+
+static void build_inter_predictors_b(BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride, vp8_subpix_fn_t sppf)
+{
+ int r;
+ unsigned char *ptr;
+ ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
+
+ if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
+ {
+ sppf(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
+ }
+ else
+ {
+ for (r = 0; r < 4; r++)
+ {
+ dst[0] = ptr[0];
+ dst[1] = ptr[1];
+ dst[2] = ptr[2];
+ dst[3] = ptr[3];
+ dst += dst_stride;
+ ptr += pre_stride;
+ }
+ }
+}
+
+
+/*encoder only*/
+void vp8_build_inter16x16_predictors_mbuv(MACROBLOCKD *x)
+{
+ unsigned char *uptr, *vptr;
+ unsigned char *upred_ptr = &x->predictor[256];
+ unsigned char *vpred_ptr = &x->predictor[320];
+
+ int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
+ int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
+ int offset;
+ int pre_stride = x->pre.uv_stride;
+
+ /* calc uv motion vectors */
+ mv_row += 1 | (mv_row >> (sizeof(int) * CHAR_BIT - 1));
+ mv_col += 1 | (mv_col >> (sizeof(int) * CHAR_BIT - 1));
+ mv_row /= 2;
+ mv_col /= 2;
+ mv_row &= x->fullpixel_mask;
+ mv_col &= x->fullpixel_mask;
+
+ offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
+ uptr = x->pre.u_buffer + offset;
+ vptr = x->pre.v_buffer + offset;
+
+ if ((mv_row | mv_col) & 7)
+ {
+ x->subpixel_predict8x8(uptr, pre_stride, mv_col & 7, mv_row & 7, upred_ptr, 8);
+ x->subpixel_predict8x8(vptr, pre_stride, mv_col & 7, mv_row & 7, vpred_ptr, 8);
+ }
+ else
+ {
+ vp8_copy_mem8x8(uptr, pre_stride, upred_ptr, 8);
+ vp8_copy_mem8x8(vptr, pre_stride, vpred_ptr, 8);
+ }
+}
+
+/*encoder only*/
+void vp8_build_inter4x4_predictors_mbuv(MACROBLOCKD *x)
+{
+ int i, j;
+ int pre_stride = x->pre.uv_stride;
+ unsigned char *base_pre;
+
+ /* build uv mvs */
+ for (i = 0; i < 2; i++)
+ {
+ for (j = 0; j < 2; j++)
+ {
+ int yoffset = i * 8 + j * 2;
+ int uoffset = 16 + i * 2 + j;
+ int voffset = 20 + i * 2 + j;
+
+ int temp;
+
+ temp = x->block[yoffset ].bmi.mv.as_mv.row
+ + x->block[yoffset+1].bmi.mv.as_mv.row
+ + x->block[yoffset+4].bmi.mv.as_mv.row
+ + x->block[yoffset+5].bmi.mv.as_mv.row;
+
+ temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
+
+ x->block[uoffset].bmi.mv.as_mv.row = (temp / 8) & x->fullpixel_mask;
+
+ temp = x->block[yoffset ].bmi.mv.as_mv.col
+ + x->block[yoffset+1].bmi.mv.as_mv.col
+ + x->block[yoffset+4].bmi.mv.as_mv.col
+ + x->block[yoffset+5].bmi.mv.as_mv.col;
+
+ temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
+
+ x->block[uoffset].bmi.mv.as_mv.col = (temp / 8) & x->fullpixel_mask;
+
+ x->block[voffset].bmi.mv.as_int = x->block[uoffset].bmi.mv.as_int;
+ }
+ }
+
+ base_pre = x->pre.u_buffer;
+ for (i = 16; i < 20; i += 2)
+ {
+ BLOCKD *d0 = &x->block[i];
+ BLOCKD *d1 = &x->block[i+1];
+
+ if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
+ build_inter_predictors2b(x, d0, d0->predictor, 8, base_pre, pre_stride);
+ else
+ {
+ vp8_build_inter_predictors_b(d0, 8, base_pre, pre_stride, x->subpixel_predict);
+ vp8_build_inter_predictors_b(d1, 8, base_pre, pre_stride, x->subpixel_predict);
+ }
+ }
+
+ base_pre = x->pre.v_buffer;
+ for (i = 20; i < 24; i += 2)
+ {
+ BLOCKD *d0 = &x->block[i];
+ BLOCKD *d1 = &x->block[i+1];
+
+ if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
+ build_inter_predictors2b(x, d0, d0->predictor, 8, base_pre, pre_stride);
+ else
+ {
+ vp8_build_inter_predictors_b(d0, 8, base_pre, pre_stride, x->subpixel_predict);
+ vp8_build_inter_predictors_b(d1, 8, base_pre, pre_stride, x->subpixel_predict);
+ }
+ }
+}
+
+
+/*encoder only*/
+void vp8_build_inter16x16_predictors_mby(MACROBLOCKD *x,
+ unsigned char *dst_y,
+ int dst_ystride)
+{
+ unsigned char *ptr_base;
+ unsigned char *ptr;
+ int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
+ int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
+ int pre_stride = x->pre.y_stride;
+
+ ptr_base = x->pre.y_buffer;
+ ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3);
+
+ if ((mv_row | mv_col) & 7)
+ {
+ x->subpixel_predict16x16(ptr, pre_stride, mv_col & 7, mv_row & 7,
+ dst_y, dst_ystride);
+ }
+ else
+ {
+ vp8_copy_mem16x16(ptr, pre_stride, dst_y,
+ dst_ystride);
+ }
+}
+
+static void clamp_mv_to_umv_border(MV *mv, const MACROBLOCKD *xd)
+{
+ /* If the MV points so far into the UMV border that no visible pixels
+ * are used for reconstruction, the subpel part of the MV can be
+ * discarded and the MV limited to 16 pixels with equivalent results.
+ *
+ * This limit kicks in at 19 pixels for the top and left edges, for
+ * the 16 pixels plus 3 taps right of the central pixel when subpel
+ * filtering. The bottom and right edges use 16 pixels plus 2 pixels
+ * left of the central pixel when filtering.
+ */
+ if (mv->col < (xd->mb_to_left_edge - (19 << 3)))
+ mv->col = xd->mb_to_left_edge - (16 << 3);
+ else if (mv->col > xd->mb_to_right_edge + (18 << 3))
+ mv->col = xd->mb_to_right_edge + (16 << 3);
+
+ if (mv->row < (xd->mb_to_top_edge - (19 << 3)))
+ mv->row = xd->mb_to_top_edge - (16 << 3);
+ else if (mv->row > xd->mb_to_bottom_edge + (18 << 3))
+ mv->row = xd->mb_to_bottom_edge + (16 << 3);
+}
+
+/* A version of the above function for chroma block MVs.*/
+static void clamp_uvmv_to_umv_border(MV *mv, const MACROBLOCKD *xd)
+{
+ mv->col = (2*mv->col < (xd->mb_to_left_edge - (19 << 3))) ?
+ (xd->mb_to_left_edge - (16 << 3)) >> 1 : mv->col;
+ mv->col = (2*mv->col > xd->mb_to_right_edge + (18 << 3)) ?
+ (xd->mb_to_right_edge + (16 << 3)) >> 1 : mv->col;
+
+ mv->row = (2*mv->row < (xd->mb_to_top_edge - (19 << 3))) ?
+ (xd->mb_to_top_edge - (16 << 3)) >> 1 : mv->row;
+ mv->row = (2*mv->row > xd->mb_to_bottom_edge + (18 << 3)) ?
+ (xd->mb_to_bottom_edge + (16 << 3)) >> 1 : mv->row;
+}
+
+void vp8_build_inter16x16_predictors_mb(MACROBLOCKD *x,
+ unsigned char *dst_y,
+ unsigned char *dst_u,
+ unsigned char *dst_v,
+ int dst_ystride,
+ int dst_uvstride)
+{
+ int offset;
+ unsigned char *ptr;
+ unsigned char *uptr, *vptr;
+
+ int_mv _16x16mv;
+
+ unsigned char *ptr_base = x->pre.y_buffer;
+ int pre_stride = x->pre.y_stride;
+
+ _16x16mv.as_int = x->mode_info_context->mbmi.mv.as_int;
+
+ if (x->mode_info_context->mbmi.need_to_clamp_mvs)
+ {
+ clamp_mv_to_umv_border(&_16x16mv.as_mv, x);
+ }
+
+ ptr = ptr_base + ( _16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3);
+
+ if ( _16x16mv.as_int & 0x00070007)
+ {
+ x->subpixel_predict16x16(ptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_y, dst_ystride);
+ }
+ else
+ {
+ vp8_copy_mem16x16(ptr, pre_stride, dst_y, dst_ystride);
+ }
+
+ /* calc uv motion vectors */
+ _16x16mv.as_mv.row += 1 | (_16x16mv.as_mv.row >> (sizeof(int) * CHAR_BIT - 1));
+ _16x16mv.as_mv.col += 1 | (_16x16mv.as_mv.col >> (sizeof(int) * CHAR_BIT - 1));
+ _16x16mv.as_mv.row /= 2;
+ _16x16mv.as_mv.col /= 2;
+ _16x16mv.as_mv.row &= x->fullpixel_mask;
+ _16x16mv.as_mv.col &= x->fullpixel_mask;
+
+ pre_stride >>= 1;
+ offset = ( _16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3);
+ uptr = x->pre.u_buffer + offset;
+ vptr = x->pre.v_buffer + offset;
+
+ if ( _16x16mv.as_int & 0x00070007)
+ {
+ x->subpixel_predict8x8(uptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_u, dst_uvstride);
+ x->subpixel_predict8x8(vptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_v, dst_uvstride);
+ }
+ else
+ {
+ vp8_copy_mem8x8(uptr, pre_stride, dst_u, dst_uvstride);
+ vp8_copy_mem8x8(vptr, pre_stride, dst_v, dst_uvstride);
+ }
+}
+
+static void build_inter4x4_predictors_mb(MACROBLOCKD *x)
+{
+ int i;
+ unsigned char *base_dst = x->dst.y_buffer;
+ unsigned char *base_pre = x->pre.y_buffer;
+
+ if (x->mode_info_context->mbmi.partitioning < 3)
+ {
+ BLOCKD *b;
+ int dst_stride = x->dst.y_stride;
+
+ x->block[ 0].bmi = x->mode_info_context->bmi[ 0];
+ x->block[ 2].bmi = x->mode_info_context->bmi[ 2];
+ x->block[ 8].bmi = x->mode_info_context->bmi[ 8];
+ x->block[10].bmi = x->mode_info_context->bmi[10];
+ if (x->mode_info_context->mbmi.need_to_clamp_mvs)
+ {
+ clamp_mv_to_umv_border(&x->block[ 0].bmi.mv.as_mv, x);
+ clamp_mv_to_umv_border(&x->block[ 2].bmi.mv.as_mv, x);
+ clamp_mv_to_umv_border(&x->block[ 8].bmi.mv.as_mv, x);
+ clamp_mv_to_umv_border(&x->block[10].bmi.mv.as_mv, x);
+ }
+
+ b = &x->block[ 0];
+ build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
+ b = &x->block[ 2];
+ build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
+ b = &x->block[ 8];
+ build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
+ b = &x->block[10];
+ build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
+ }
+ else
+ {
+ for (i = 0; i < 16; i += 2)
+ {
+ BLOCKD *d0 = &x->block[i];
+ BLOCKD *d1 = &x->block[i+1];
+ int dst_stride = x->dst.y_stride;
+
+ x->block[i+0].bmi = x->mode_info_context->bmi[i+0];
+ x->block[i+1].bmi = x->mode_info_context->bmi[i+1];
+ if (x->mode_info_context->mbmi.need_to_clamp_mvs)
+ {
+ clamp_mv_to_umv_border(&x->block[i+0].bmi.mv.as_mv, x);
+ clamp_mv_to_umv_border(&x->block[i+1].bmi.mv.as_mv, x);
+ }
+
+ if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
+ build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
+ else
+ {
+ build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
+ build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
+ }
+
+ }
+
+ }
+ base_dst = x->dst.u_buffer;
+ base_pre = x->pre.u_buffer;
+ for (i = 16; i < 20; i += 2)
+ {
+ BLOCKD *d0 = &x->block[i];
+ BLOCKD *d1 = &x->block[i+1];
+ int dst_stride = x->dst.uv_stride;
+
+ /* Note: uv mvs already clamped in build_4x4uvmvs() */
+
+ if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
+ build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
+ else
+ {
+ build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
+ build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
+ }
+ }
+
+ base_dst = x->dst.v_buffer;
+ base_pre = x->pre.v_buffer;
+ for (i = 20; i < 24; i += 2)
+ {
+ BLOCKD *d0 = &x->block[i];
+ BLOCKD *d1 = &x->block[i+1];
+ int dst_stride = x->dst.uv_stride;
+
+ /* Note: uv mvs already clamped in build_4x4uvmvs() */
+
+ if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
+ build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
+ else
+ {
+ build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
+ build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
+ }
+ }
+}
+
+static
+void build_4x4uvmvs(MACROBLOCKD *x)
+{
+ int i, j;
+
+ for (i = 0; i < 2; i++)
+ {
+ for (j = 0; j < 2; j++)
+ {
+ int yoffset = i * 8 + j * 2;
+ int uoffset = 16 + i * 2 + j;
+ int voffset = 20 + i * 2 + j;
+
+ int temp;
+
+ temp = x->mode_info_context->bmi[yoffset + 0].mv.as_mv.row
+ + x->mode_info_context->bmi[yoffset + 1].mv.as_mv.row
+ + x->mode_info_context->bmi[yoffset + 4].mv.as_mv.row
+ + x->mode_info_context->bmi[yoffset + 5].mv.as_mv.row;
+
+ temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
+
+ x->block[uoffset].bmi.mv.as_mv.row = (temp / 8) & x->fullpixel_mask;
+
+ temp = x->mode_info_context->bmi[yoffset + 0].mv.as_mv.col
+ + x->mode_info_context->bmi[yoffset + 1].mv.as_mv.col
+ + x->mode_info_context->bmi[yoffset + 4].mv.as_mv.col
+ + x->mode_info_context->bmi[yoffset + 5].mv.as_mv.col;
+
+ temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
+
+ x->block[uoffset].bmi.mv.as_mv.col = (temp / 8) & x->fullpixel_mask;
+
+ if (x->mode_info_context->mbmi.need_to_clamp_mvs)
+ clamp_uvmv_to_umv_border(&x->block[uoffset].bmi.mv.as_mv, x);
+
+ x->block[voffset].bmi.mv.as_int = x->block[uoffset].bmi.mv.as_int;
+ }
+ }
+}
+
+void vp8_build_inter_predictors_mb(MACROBLOCKD *xd)
+{
+ if (xd->mode_info_context->mbmi.mode != SPLITMV)
+ {
+ vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer,
+ xd->dst.u_buffer, xd->dst.v_buffer,
+ xd->dst.y_stride, xd->dst.uv_stride);
+ }
+ else
+ {
+ build_4x4uvmvs(xd);
+ build_inter4x4_predictors_mb(xd);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 11:36:38 +0000