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-rw-r--r--thirdparty/libvpx/vpx_scale/generic/yv12config.c287
-rw-r--r--thirdparty/libvpx/vpx_scale/generic/yv12extend.c324
2 files changed, 611 insertions, 0 deletions
diff --git a/thirdparty/libvpx/vpx_scale/generic/yv12config.c b/thirdparty/libvpx/vpx_scale/generic/yv12config.c
new file mode 100644
index 0000000000..6bbb6d8d48
--- /dev/null
+++ b/thirdparty/libvpx/vpx_scale/generic/yv12config.c
@@ -0,0 +1,287 @@
+/*
+ * 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 <assert.h>
+
+#include "vpx_scale/yv12config.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem.h"
+
+/****************************************************************************
+* Exports
+****************************************************************************/
+
+/****************************************************************************
+ *
+ ****************************************************************************/
+#define yv12_align_addr(addr, align) \
+ (void*)(((size_t)(addr) + ((align) - 1)) & (size_t)-(align))
+
+int
+vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
+ if (ybf) {
+ // If libvpx is using frame buffer callbacks then buffer_alloc_sz must
+ // not be set.
+ if (ybf->buffer_alloc_sz > 0) {
+ vpx_free(ybf->buffer_alloc);
+ }
+
+ /* buffer_alloc isn't accessed by most functions. Rather y_buffer,
+ u_buffer and v_buffer point to buffer_alloc and are used. Clear out
+ all of this so that a freed pointer isn't inadvertently used */
+ memset(ybf, 0, sizeof(YV12_BUFFER_CONFIG));
+ } else {
+ return -1;
+ }
+
+ return 0;
+}
+
+int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+ int width, int height, int border) {
+ if (ybf) {
+ int aligned_width = (width + 15) & ~15;
+ int aligned_height = (height + 15) & ~15;
+ int y_stride = ((aligned_width + 2 * border) + 31) & ~31;
+ int yplane_size = (aligned_height + 2 * border) * y_stride;
+ int uv_width = aligned_width >> 1;
+ int uv_height = aligned_height >> 1;
+ /** There is currently a bunch of code which assumes
+ * uv_stride == y_stride/2, so enforce this here. */
+ int uv_stride = y_stride >> 1;
+ int uvplane_size = (uv_height + border) * uv_stride;
+ const int frame_size = yplane_size + 2 * uvplane_size;
+
+ if (!ybf->buffer_alloc) {
+ ybf->buffer_alloc = (uint8_t *)vpx_memalign(32, frame_size);
+ ybf->buffer_alloc_sz = frame_size;
+ }
+
+ if (!ybf->buffer_alloc || ybf->buffer_alloc_sz < frame_size)
+ return -1;
+
+ /* Only support allocating buffers that have a border that's a multiple
+ * of 32. The border restriction is required to get 16-byte alignment of
+ * the start of the chroma rows without introducing an arbitrary gap
+ * between planes, which would break the semantics of things like
+ * vpx_img_set_rect(). */
+ if (border & 0x1f)
+ return -3;
+
+ ybf->y_crop_width = width;
+ ybf->y_crop_height = height;
+ ybf->y_width = aligned_width;
+ ybf->y_height = aligned_height;
+ ybf->y_stride = y_stride;
+
+ ybf->uv_crop_width = (width + 1) / 2;
+ ybf->uv_crop_height = (height + 1) / 2;
+ ybf->uv_width = uv_width;
+ ybf->uv_height = uv_height;
+ ybf->uv_stride = uv_stride;
+
+ ybf->alpha_width = 0;
+ ybf->alpha_height = 0;
+ ybf->alpha_stride = 0;
+
+ ybf->border = border;
+ ybf->frame_size = frame_size;
+
+ ybf->y_buffer = ybf->buffer_alloc + (border * y_stride) + border;
+ ybf->u_buffer = ybf->buffer_alloc + yplane_size + (border / 2 * uv_stride) + border / 2;
+ ybf->v_buffer = ybf->buffer_alloc + yplane_size + uvplane_size + (border / 2 * uv_stride) + border / 2;
+ ybf->alpha_buffer = NULL;
+
+ ybf->corrupted = 0; /* assume not currupted by errors */
+ return 0;
+ }
+ return -2;
+}
+
+int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+ int width, int height, int border) {
+ if (ybf) {
+ vp8_yv12_de_alloc_frame_buffer(ybf);
+ return vp8_yv12_realloc_frame_buffer(ybf, width, height, border);
+ }
+ return -2;
+}
+
+#if CONFIG_VP9
+// TODO(jkoleszar): Maybe replace this with struct vpx_image
+
+int vpx_free_frame_buffer(YV12_BUFFER_CONFIG *ybf) {
+ if (ybf) {
+ if (ybf->buffer_alloc_sz > 0) {
+ vpx_free(ybf->buffer_alloc);
+ }
+
+ /* buffer_alloc isn't accessed by most functions. Rather y_buffer,
+ u_buffer and v_buffer point to buffer_alloc and are used. Clear out
+ all of this so that a freed pointer isn't inadvertently used */
+ memset(ybf, 0, sizeof(YV12_BUFFER_CONFIG));
+ } else {
+ return -1;
+ }
+
+ return 0;
+}
+
+int vpx_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+ int width, int height,
+ int ss_x, int ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+ int use_highbitdepth,
+#endif
+ int border,
+ int byte_alignment,
+ vpx_codec_frame_buffer_t *fb,
+ vpx_get_frame_buffer_cb_fn_t cb,
+ void *cb_priv) {
+ if (ybf) {
+ const int vp9_byte_align = (byte_alignment == 0) ? 1 : byte_alignment;
+ const int aligned_width = (width + 7) & ~7;
+ const int aligned_height = (height + 7) & ~7;
+ const int y_stride = ((aligned_width + 2 * border) + 31) & ~31;
+ const uint64_t yplane_size = (aligned_height + 2 * border) *
+ (uint64_t)y_stride + byte_alignment;
+ const int uv_width = aligned_width >> ss_x;
+ const int uv_height = aligned_height >> ss_y;
+ const int uv_stride = y_stride >> ss_x;
+ const int uv_border_w = border >> ss_x;
+ const int uv_border_h = border >> ss_y;
+ const uint64_t uvplane_size = (uv_height + 2 * uv_border_h) *
+ (uint64_t)uv_stride + byte_alignment;
+
+#if CONFIG_VP9_HIGHBITDEPTH
+ const uint64_t frame_size =
+ (1 + use_highbitdepth) * (yplane_size + 2 * uvplane_size);
+#else
+ const uint64_t frame_size = yplane_size + 2 * uvplane_size;
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+ uint8_t *buf = NULL;
+
+ if (cb != NULL) {
+ const int align_addr_extra_size = 31;
+ const uint64_t external_frame_size = frame_size + align_addr_extra_size;
+
+ assert(fb != NULL);
+
+ if (external_frame_size != (size_t)external_frame_size)
+ return -1;
+
+ // Allocation to hold larger frame, or first allocation.
+ if (cb(cb_priv, (size_t)external_frame_size, fb) < 0)
+ return -1;
+
+ if (fb->data == NULL || fb->size < external_frame_size)
+ return -1;
+
+ ybf->buffer_alloc = (uint8_t *)yv12_align_addr(fb->data, 32);
+
+#if defined(__has_feature)
+#if __has_feature(memory_sanitizer)
+ // This memset is needed for fixing the issue of using uninitialized
+ // value in msan test. It will cause a perf loss, so only do this for
+ // msan test.
+ memset(ybf->buffer_alloc, 0, (int)frame_size);
+#endif
+#endif
+ } else if (frame_size > (size_t)ybf->buffer_alloc_sz) {
+ // Allocation to hold larger frame, or first allocation.
+ vpx_free(ybf->buffer_alloc);
+ ybf->buffer_alloc = NULL;
+
+ if (frame_size != (size_t)frame_size)
+ return -1;
+
+ ybf->buffer_alloc = (uint8_t *)vpx_memalign(32, (size_t)frame_size);
+ if (!ybf->buffer_alloc)
+ return -1;
+
+ ybf->buffer_alloc_sz = (int)frame_size;
+
+ // This memset is needed for fixing valgrind error from C loop filter
+ // due to access uninitialized memory in frame border. It could be
+ // removed if border is totally removed.
+ memset(ybf->buffer_alloc, 0, ybf->buffer_alloc_sz);
+ }
+
+ /* Only support allocating buffers that have a border that's a multiple
+ * of 32. The border restriction is required to get 16-byte alignment of
+ * the start of the chroma rows without introducing an arbitrary gap
+ * between planes, which would break the semantics of things like
+ * vpx_img_set_rect(). */
+ if (border & 0x1f)
+ return -3;
+
+ ybf->y_crop_width = width;
+ ybf->y_crop_height = height;
+ ybf->y_width = aligned_width;
+ ybf->y_height = aligned_height;
+ ybf->y_stride = y_stride;
+
+ ybf->uv_crop_width = (width + ss_x) >> ss_x;
+ ybf->uv_crop_height = (height + ss_y) >> ss_y;
+ ybf->uv_width = uv_width;
+ ybf->uv_height = uv_height;
+ ybf->uv_stride = uv_stride;
+
+ ybf->border = border;
+ ybf->frame_size = (int)frame_size;
+ ybf->subsampling_x = ss_x;
+ ybf->subsampling_y = ss_y;
+
+ buf = ybf->buffer_alloc;
+#if CONFIG_VP9_HIGHBITDEPTH
+ if (use_highbitdepth) {
+ // Store uint16 addresses when using 16bit framebuffers
+ buf = CONVERT_TO_BYTEPTR(ybf->buffer_alloc);
+ ybf->flags = YV12_FLAG_HIGHBITDEPTH;
+ } else {
+ ybf->flags = 0;
+ }
+#endif // CONFIG_VP9_HIGHBITDEPTH
+
+ ybf->y_buffer = (uint8_t *)yv12_align_addr(
+ buf + (border * y_stride) + border, vp9_byte_align);
+ ybf->u_buffer = (uint8_t *)yv12_align_addr(
+ buf + yplane_size + (uv_border_h * uv_stride) + uv_border_w,
+ vp9_byte_align);
+ ybf->v_buffer = (uint8_t *)yv12_align_addr(
+ buf + yplane_size + uvplane_size + (uv_border_h * uv_stride) +
+ uv_border_w, vp9_byte_align);
+
+ ybf->corrupted = 0; /* assume not corrupted by errors */
+ return 0;
+ }
+ return -2;
+}
+
+int vpx_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf,
+ int width, int height,
+ int ss_x, int ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+ int use_highbitdepth,
+#endif
+ int border,
+ int byte_alignment) {
+ if (ybf) {
+ vpx_free_frame_buffer(ybf);
+ return vpx_realloc_frame_buffer(ybf, width, height, ss_x, ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+ use_highbitdepth,
+#endif
+ border, byte_alignment, NULL, NULL, NULL);
+ }
+ return -2;
+}
+#endif
diff --git a/thirdparty/libvpx/vpx_scale/generic/yv12extend.c b/thirdparty/libvpx/vpx_scale/generic/yv12extend.c
new file mode 100644
index 0000000000..52f0aff1f2
--- /dev/null
+++ b/thirdparty/libvpx/vpx_scale/generic/yv12extend.c
@@ -0,0 +1,324 @@
+/*
+ * 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 <assert.h>
+#include "./vpx_config.h"
+#include "./vpx_scale_rtcd.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem.h"
+#include "vpx_scale/yv12config.h"
+#if CONFIG_VP9_HIGHBITDEPTH
+#include "vp9/common/vp9_common.h"
+#endif
+
+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;
+ }
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+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) {
+ vpx_memset16(dst_ptr1, src_ptr1[0], extend_left);
+ vpx_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;
+ }
+}
+#endif
+
+void vp8_yv12_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf) {
+ const int uv_border = ybf->border / 2;
+
+ 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 CONFIG_VP9_HIGHBITDEPTH
+ if (ybf->flags & YV12_FLAG_HIGHBITDEPTH) {
+ extend_plane_high(
+ ybf->y_buffer, ybf->y_stride,
+ ybf->y_crop_width, ybf->y_crop_height,
+ ybf->border, ybf->border,
+ ybf->border + ybf->y_height - ybf->y_crop_height,
+ ybf->border + ybf->y_width - ybf->y_crop_width);
+
+ extend_plane_high(
+ ybf->u_buffer, ybf->uv_stride,
+ ybf->uv_crop_width, ybf->uv_crop_height,
+ uv_border, uv_border,
+ uv_border + ybf->uv_height - ybf->uv_crop_height,
+ uv_border + ybf->uv_width - ybf->uv_crop_width);
+
+ extend_plane_high(
+ ybf->v_buffer, ybf->uv_stride,
+ ybf->uv_crop_width, ybf->uv_crop_height,
+ uv_border, uv_border,
+ uv_border + ybf->uv_height - ybf->uv_crop_height,
+ uv_border + ybf->uv_width - ybf->uv_crop_width);
+ return;
+ }
+#endif
+ extend_plane(ybf->y_buffer, ybf->y_stride,
+ ybf->y_crop_width, ybf->y_crop_height,
+ ybf->border, ybf->border,
+ ybf->border + ybf->y_height - ybf->y_crop_height,
+ ybf->border + ybf->y_width - ybf->y_crop_width);
+
+ extend_plane(ybf->u_buffer, ybf->uv_stride,
+ ybf->uv_crop_width, ybf->uv_crop_height,
+ uv_border, uv_border,
+ uv_border + ybf->uv_height - ybf->uv_crop_height,
+ uv_border + ybf->uv_width - ybf->uv_crop_width);
+
+ extend_plane(ybf->v_buffer, ybf->uv_stride,
+ ybf->uv_crop_width, ybf->uv_crop_height,
+ uv_border, uv_border,
+ uv_border + ybf->uv_height - ybf->uv_crop_height,
+ uv_border + ybf->uv_width - ybf->uv_crop_width);
+}
+
+#if CONFIG_VP9
+static void extend_frame(YV12_BUFFER_CONFIG *const ybf, int ext_size) {
+ const int c_w = ybf->uv_crop_width;
+ const int c_h = ybf->uv_crop_height;
+ const int ss_x = ybf->uv_width < ybf->y_width;
+ const int ss_y = ybf->uv_height < ybf->y_height;
+ const int c_et = ext_size >> ss_y;
+ const int c_el = ext_size >> ss_x;
+ const int c_eb = c_et + ybf->uv_height - ybf->uv_crop_height;
+ const int c_er = c_el + ybf->uv_width - ybf->uv_crop_width;
+
+ 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 CONFIG_VP9_HIGHBITDEPTH
+ 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);
+ extend_plane_high(ybf->u_buffer, ybf->uv_stride,
+ c_w, c_h, c_et, c_el, c_eb, c_er);
+ extend_plane_high(ybf->v_buffer, ybf->uv_stride,
+ c_w, c_h, c_et, c_el, c_eb, c_er);
+ return;
+ }
+#endif
+ 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);
+
+ extend_plane(ybf->u_buffer, ybf->uv_stride,
+ c_w, c_h, c_et, c_el, c_eb, c_er);
+
+ extend_plane(ybf->v_buffer, ybf->uv_stride,
+ c_w, c_h, c_et, c_el, c_eb, c_er);
+}
+
+void vpx_extend_frame_borders_c(YV12_BUFFER_CONFIG *ybf) {
+ extend_frame(ybf, ybf->border);
+}
+
+void vpx_extend_frame_inner_borders_c(YV12_BUFFER_CONFIG *ybf) {
+ const int inner_bw = (ybf->border > VP9INNERBORDERINPIXELS) ?
+ VP9INNERBORDERINPIXELS : ybf->border;
+ extend_frame(ybf, inner_bw);
+}
+
+#if CONFIG_VP9_HIGHBITDEPTH
+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));
+}
+#endif // CONFIG_VP9_HIGHBITDEPTH
+#endif // CONFIG_VP9
+
+// 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 vp8_yv12_copy_frame_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 0
+ /* These assertions are valid in the codec, but the libvpx-tester uses
+ * this code slightly differently.
+ */
+ assert(src_ybc->y_width == dst_ybc->y_width);
+ assert(src_ybc->y_height == dst_ybc->y_height);
+#endif
+
+#if CONFIG_VP9_HIGHBITDEPTH
+ if (src_ybc->flags & YV12_FLAG_HIGHBITDEPTH) {
+ assert(dst_ybc->flags & YV12_FLAG_HIGHBITDEPTH);
+ for (row = 0; row < src_ybc->y_height; ++row) {
+ memcpy_short_addr(dst, src, src_ybc->y_width);
+ src += src_ybc->y_stride;
+ dst += dst_ybc->y_stride;
+ }
+
+ src = src_ybc->u_buffer;
+ dst = dst_ybc->u_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy_short_addr(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ src = src_ybc->v_buffer;
+ dst = dst_ybc->v_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy_short_addr(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ vp8_yv12_extend_frame_borders_c(dst_ybc);
+ return;
+ } else {
+ assert(!(dst_ybc->flags & YV12_FLAG_HIGHBITDEPTH));
+ }
+#endif
+
+ 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;
+ }
+
+ src = src_ybc->u_buffer;
+ dst = dst_ybc->u_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ src = src_ybc->v_buffer;
+ dst = dst_ybc->v_buffer;
+
+ for (row = 0; row < src_ybc->uv_height; ++row) {
+ memcpy(dst, src, src_ybc->uv_width);
+ src += src_ybc->uv_stride;
+ dst += dst_ybc->uv_stride;
+ }
+
+ vp8_yv12_extend_frame_borders_c(dst_ybc);
+}
+
+void vpx_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 CONFIG_VP9_HIGHBITDEPTH
+ 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;
+ }
+#endif
+
+ 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;
+ }
+}