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-rw-r--r--third_party/aom/aom_scale/generic/yv12extend.c411
1 files changed, 411 insertions, 0 deletions
diff --git a/third_party/aom/aom_scale/generic/yv12extend.c b/third_party/aom/aom_scale/generic/yv12extend.c
new file mode 100644
index 000000000..ba183520a
--- /dev/null
+++ b/third_party/aom/aom_scale/generic/yv12extend.c
@@ -0,0 +1,411 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <assert.h>
+
+#include "config/aom_config.h"
+#include "config/aom_scale_rtcd.h"
+
+#include "aom/aom_integer.h"
+#include "aom_mem/aom_mem.h"
+#include "aom_ports/mem.h"
+#include "aom_scale/yv12config.h"
+
+static void extend_plane(uint8_t *const src, int src_stride, int width,
+ int height, int extend_top, int extend_left,
+ int extend_bottom, int extend_right) {
+ int i;
+ const int linesize = extend_left + extend_right + width;
+
+ /* copy the left and right most columns out */
+ uint8_t *src_ptr1 = src;
+ uint8_t *src_ptr2 = src + width - 1;
+ uint8_t *dst_ptr1 = src - extend_left;
+ uint8_t *dst_ptr2 = src + width;
+
+ for (i = 0; i < height; ++i) {
+ memset(dst_ptr1, src_ptr1[0], extend_left);
+ memset(dst_ptr2, src_ptr2[0], extend_right);
+ src_ptr1 += src_stride;
+ src_ptr2 += src_stride;
+ dst_ptr1 += src_stride;
+ dst_ptr2 += src_stride;
+ }
+
+ /* Now copy the top and bottom lines into each line of the respective
+ * borders
+ */
+ src_ptr1 = src - extend_left;
+ src_ptr2 = src + src_stride * (height - 1) - extend_left;
+ dst_ptr1 = src + src_stride * -extend_top - extend_left;
+ dst_ptr2 = src + src_stride * height - extend_left;
+
+ for (i = 0; i < extend_top; ++i) {
+ memcpy(dst_ptr1, src_ptr1, linesize);
+ dst_ptr1 += src_stride;
+ }
+
+ for (i = 0; i < extend_bottom; ++i) {
+ memcpy(dst_ptr2, src_ptr2, linesize);
+ dst_ptr2 += src_stride;
+ }
+}
+
+static void extend_plane_high(uint8_t *const src8, int src_stride, int width,
+ int height, int extend_top, int extend_left,
+ int extend_bottom, int extend_right) {
+ int i;
+ const int linesize = extend_left + extend_right + width;
+ uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+
+ /* copy the left and right most columns out */
+ uint16_t *src_ptr1 = src;
+ uint16_t *src_ptr2 = src + width - 1;
+ uint16_t *dst_ptr1 = src - extend_left;
+ uint16_t *dst_ptr2 = src + width;
+
+ for (i = 0; i < height; ++i) {
+ aom_memset16(dst_ptr1, src_ptr1[0], extend_left);
+ aom_memset16(dst_ptr2, src_ptr2[0], extend_right);
+ src_ptr1 += src_stride;
+ src_ptr2 += src_stride;
+ dst_ptr1 += src_stride;
+ dst_ptr2 += src_stride;
+ }
+
+ /* Now copy the top and bottom lines into each line of the respective
+ * borders
+ */
+ src_ptr1 = src - extend_left;
+ src_ptr2 = src + src_stride * (height - 1) - extend_left;
+ dst_ptr1 = src + src_stride * -extend_top - extend_left;
+ dst_ptr2 = src + src_stride * height - extend_left;
+
+ for (i = 0; i < extend_top; ++i) {
+ memcpy(dst_ptr1, src_ptr1, linesize * sizeof(uint16_t));
+ dst_ptr1 += src_stride;
+ }
+
+ for (i = 0; i < extend_bottom; ++i) {
+ memcpy(dst_ptr2, src_ptr2, linesize * sizeof(uint16_t));
+ dst_ptr2 += src_stride;
+ }
+}
+
+void aom_yv12_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf,
+ const int num_planes) {
+ assert(ybf->border % 2 == 0);
+ assert(ybf->y_height - ybf->y_crop_height < 16);
+ assert(ybf->y_width - ybf->y_crop_width < 16);
+ assert(ybf->y_height - ybf->y_crop_height >= 0);
+ assert(ybf->y_width - ybf->y_crop_width >= 0);
+
+ if (ybf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int plane_border = ybf->border >> is_uv;
+ extend_plane_high(
+ ybf->buffers[plane], ybf->strides[is_uv], ybf->crop_widths[is_uv],
+ ybf->crop_heights[is_uv], plane_border, plane_border,
+ plane_border + ybf->heights[is_uv] - ybf->crop_heights[is_uv],
+ plane_border + ybf->widths[is_uv] - ybf->crop_widths[is_uv]);
+ }
+ return;
+ }
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int plane_border = ybf->border >> is_uv;
+ extend_plane(ybf->buffers[plane], ybf->strides[is_uv],
+ ybf->crop_widths[is_uv], ybf->crop_heights[is_uv],
+ plane_border, plane_border,
+ plane_border + ybf->heights[is_uv] - ybf->crop_heights[is_uv],
+ plane_border + ybf->widths[is_uv] - ybf->crop_widths[is_uv]);
+ }
+}
+
+static void extend_frame(YV12_BUFFER_CONFIG *const ybf, int ext_size,
+ const int num_planes) {
+ const int ss_x = ybf->uv_width < ybf->y_width;
+ const int ss_y = ybf->uv_height < ybf->y_height;
+
+ assert(ybf->y_height - ybf->y_crop_height < 16);
+ assert(ybf->y_width - ybf->y_crop_width < 16);
+ assert(ybf->y_height - ybf->y_crop_height >= 0);
+ assert(ybf->y_width - ybf->y_crop_width >= 0);
+
+ if (ybf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int top = ext_size >> (is_uv ? ss_y : 0);
+ const int left = ext_size >> (is_uv ? ss_x : 0);
+ const int bottom = top + ybf->heights[is_uv] - ybf->crop_heights[is_uv];
+ const int right = left + ybf->widths[is_uv] - ybf->crop_widths[is_uv];
+ extend_plane_high(ybf->buffers[plane], ybf->strides[is_uv],
+ ybf->crop_widths[is_uv], ybf->crop_heights[is_uv], top,
+ left, bottom, right);
+ }
+ return;
+ }
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const int is_uv = plane > 0;
+ const int top = ext_size >> (is_uv ? ss_y : 0);
+ const int left = ext_size >> (is_uv ? ss_x : 0);
+ const int bottom = top + ybf->heights[is_uv] - ybf->crop_heights[is_uv];
+ const int right = left + ybf->widths[is_uv] - ybf->crop_widths[is_uv];
+ extend_plane(ybf->buffers[plane], ybf->strides[is_uv],
+ ybf->crop_widths[is_uv], ybf->crop_heights[is_uv], top, left,
+ bottom, right);
+ }
+}
+
+void aom_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf, const int num_planes) {
+ extend_frame(ybf, ybf->border, num_planes);
+}
+
+void aom_extend_frame_inner_borders_c(YV12_BUFFER_CONFIG *ybf,
+ const int num_planes) {
+ const int inner_bw = (ybf->border > AOMINNERBORDERINPIXELS)
+ ? AOMINNERBORDERINPIXELS
+ : ybf->border;
+ extend_frame(ybf, inner_bw, num_planes);
+}
+
+void aom_extend_frame_borders_y_c(YV12_BUFFER_CONFIG *ybf) {
+ int ext_size = ybf->border;
+ assert(ybf->y_height - ybf->y_crop_height < 16);
+ assert(ybf->y_width - ybf->y_crop_width < 16);
+ assert(ybf->y_height - ybf->y_crop_height >= 0);
+ assert(ybf->y_width - ybf->y_crop_width >= 0);
+
+ if (ybf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ extend_plane_high(ybf->y_buffer, ybf->y_stride, ybf->y_crop_width,
+ ybf->y_crop_height, ext_size, ext_size,
+ ext_size + ybf->y_height - ybf->y_crop_height,
+ ext_size + ybf->y_width - ybf->y_crop_width);
+ return;
+ }
+ extend_plane(ybf->y_buffer, ybf->y_stride, ybf->y_crop_width,
+ ybf->y_crop_height, ext_size, ext_size,
+ ext_size + ybf->y_height - ybf->y_crop_height,
+ ext_size + ybf->y_width - ybf->y_crop_width);
+}
+
+static void memcpy_short_addr(uint8_t *dst8, const uint8_t *src8, int num) {
+ uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
+ uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+ memcpy(dst, src, num * sizeof(uint16_t));
+}
+
+// Copies the source image into the destination image and updates the
+// destination's UMV borders.
+// Note: The frames are assumed to be identical in size.
+void aom_yv12_copy_frame_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc, const int num_planes) {
+#if 0
+ /* These assertions are valid in the codec, but the libaom-tester uses
+ * this code slightly differently.
+ */
+ assert(src_bc->y_width == dst_bc->y_width);
+ assert(src_bc->y_height == dst_bc->y_height);
+#endif
+
+ assert((src_bc->flags & YV12_FLAG_HIGHBITDEPTH) ==
+ (dst_bc->flags & YV12_FLAG_HIGHBITDEPTH));
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const uint8_t *plane_src = src_bc->buffers[plane];
+ uint8_t *plane_dst = dst_bc->buffers[plane];
+ const int is_uv = plane > 0;
+
+ for (int row = 0; row < src_bc->heights[is_uv]; ++row) {
+ memcpy_short_addr(plane_dst, plane_src, src_bc->widths[is_uv]);
+ plane_src += src_bc->strides[is_uv];
+ plane_dst += dst_bc->strides[is_uv];
+ }
+ }
+ aom_yv12_extend_frame_borders_c(dst_bc, num_planes);
+ return;
+ }
+ for (int plane = 0; plane < num_planes; ++plane) {
+ const uint8_t *plane_src = src_bc->buffers[plane];
+ uint8_t *plane_dst = dst_bc->buffers[plane];
+ const int is_uv = plane > 0;
+
+ for (int row = 0; row < src_bc->heights[is_uv]; ++row) {
+ memcpy(plane_dst, plane_src, src_bc->widths[is_uv]);
+ plane_src += src_bc->strides[is_uv];
+ plane_dst += dst_bc->strides[is_uv];
+ }
+ }
+ aom_yv12_extend_frame_borders_c(dst_bc, num_planes);
+}
+
+void aom_yv12_copy_y_c(const YV12_BUFFER_CONFIG *src_ybc,
+ YV12_BUFFER_CONFIG *dst_ybc) {
+ int row;
+ const uint8_t *src = src_ybc->y_buffer;
+ uint8_t *dst = dst_ybc->y_buffer;
+
+ if (src_ybc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (row = 0; row < src_ybc->y_height; ++row) {
+ memcpy(dst16, src16, src_ybc->y_width * sizeof(uint16_t));
+ src16 += src_ybc->y_stride;
+ dst16 += dst_ybc->y_stride;
+ }
+ return;
+ }
+
+ for (row = 0; row < src_ybc->y_height; ++row) {
+ memcpy(dst, src, src_ybc->y_width);
+ src += src_ybc->y_stride;
+ dst += dst_ybc->y_stride;
+ }
+}
+
+void aom_yv12_copy_u_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc) {
+ int row;
+ const uint8_t *src = src_bc->u_buffer;
+ uint8_t *dst = dst_bc->u_buffer;
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (row = 0; row < src_bc->uv_height; ++row) {
+ memcpy(dst16, src16, src_bc->uv_width * sizeof(uint16_t));
+ src16 += src_bc->uv_stride;
+ dst16 += dst_bc->uv_stride;
+ }
+ return;
+ }
+
+ for (row = 0; row < src_bc->uv_height; ++row) {
+ memcpy(dst, src, src_bc->uv_width);
+ src += src_bc->uv_stride;
+ dst += dst_bc->uv_stride;
+ }
+}
+
+void aom_yv12_copy_v_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc) {
+ int row;
+ const uint8_t *src = src_bc->v_buffer;
+ uint8_t *dst = dst_bc->v_buffer;
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 = CONVERT_TO_SHORTPTR(src);
+ uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
+ for (row = 0; row < src_bc->uv_height; ++row) {
+ memcpy(dst16, src16, src_bc->uv_width * sizeof(uint16_t));
+ src16 += src_bc->uv_stride;
+ dst16 += dst_bc->uv_stride;
+ }
+ return;
+ }
+
+ for (row = 0; row < src_bc->uv_height; ++row) {
+ memcpy(dst, src, src_bc->uv_width);
+ src += src_bc->uv_stride;
+ dst += dst_bc->uv_stride;
+ }
+}
+
+void aom_yv12_partial_copy_y_c(const YV12_BUFFER_CONFIG *src_ybc,
+ YV12_BUFFER_CONFIG *dst_ybc, int hstart,
+ int hend, int vstart, int vend) {
+ int row;
+ const uint8_t *src = src_ybc->y_buffer;
+ uint8_t *dst = dst_ybc->y_buffer;
+
+ if (src_ybc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 =
+ CONVERT_TO_SHORTPTR(src + vstart * src_ybc->y_stride + hstart);
+ uint16_t *dst16 =
+ CONVERT_TO_SHORTPTR(dst + vstart * dst_ybc->y_stride + hstart);
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst16, src16, (hend - hstart) * sizeof(uint16_t));
+ src16 += src_ybc->y_stride;
+ dst16 += dst_ybc->y_stride;
+ }
+ return;
+ }
+ src = (src + vstart * src_ybc->y_stride + hstart);
+ dst = (dst + vstart * dst_ybc->y_stride + hstart);
+
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst, src, (hend - hstart));
+ src += src_ybc->y_stride;
+ dst += dst_ybc->y_stride;
+ }
+}
+
+void aom_yv12_partial_copy_u_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc, int hstart, int hend,
+ int vstart, int vend) {
+ int row;
+ const uint8_t *src = src_bc->u_buffer;
+ uint8_t *dst = dst_bc->u_buffer;
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 =
+ CONVERT_TO_SHORTPTR(src + vstart * src_bc->uv_stride + hstart);
+ uint16_t *dst16 =
+ CONVERT_TO_SHORTPTR(dst + vstart * dst_bc->uv_stride + hstart);
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst16, src16, (hend - hstart) * sizeof(uint16_t));
+ src16 += src_bc->uv_stride;
+ dst16 += dst_bc->uv_stride;
+ }
+ return;
+ }
+
+ src = (src + vstart * src_bc->uv_stride + hstart);
+ dst = (dst + vstart * dst_bc->uv_stride + hstart);
+
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst, src, (hend - hstart));
+ src += src_bc->uv_stride;
+ dst += dst_bc->uv_stride;
+ }
+}
+
+void aom_yv12_partial_copy_v_c(const YV12_BUFFER_CONFIG *src_bc,
+ YV12_BUFFER_CONFIG *dst_bc, int hstart, int hend,
+ int vstart, int vend) {
+ int row;
+ const uint8_t *src = src_bc->v_buffer;
+ uint8_t *dst = dst_bc->v_buffer;
+
+ if (src_bc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ const uint16_t *src16 =
+ CONVERT_TO_SHORTPTR(src + vstart * src_bc->uv_stride + hstart);
+ uint16_t *dst16 =
+ CONVERT_TO_SHORTPTR(dst + vstart * dst_bc->uv_stride + hstart);
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst16, src16, (hend - hstart) * sizeof(uint16_t));
+ src16 += src_bc->uv_stride;
+ dst16 += dst_bc->uv_stride;
+ }
+ return;
+ }
+
+ src = (src + vstart * src_bc->uv_stride + hstart);
+ dst = (dst + vstart * dst_bc->uv_stride + hstart);
+
+ for (row = vstart; row < vend; ++row) {
+ memcpy(dst, src, (hend - hstart));
+ src += src_bc->uv_stride;
+ dst += dst_bc->uv_stride;
+ }
+}