diff options
Diffstat (limited to 'thirdparty/libvpx/vp8/common/extend.c')
| -rw-r--r-- | thirdparty/libvpx/vp8/common/extend.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/thirdparty/libvpx/vp8/common/extend.c b/thirdparty/libvpx/vp8/common/extend.c deleted file mode 100644 index 2d938ad782..0000000000 --- a/thirdparty/libvpx/vp8/common/extend.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * 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 "extend.h" -#include "vpx_mem/vpx_mem.h" - - -static void copy_and_extend_plane -( - unsigned char *s, /* source */ - int sp, /* source pitch */ - unsigned char *d, /* destination */ - int dp, /* destination pitch */ - int h, /* height */ - int w, /* width */ - int et, /* extend top border */ - int el, /* extend left border */ - int eb, /* extend bottom border */ - int er /* extend right border */ -) -{ - int i; - unsigned char *src_ptr1, *src_ptr2; - unsigned char *dest_ptr1, *dest_ptr2; - int linesize; - - /* copy the left and right most columns out */ - src_ptr1 = s; - src_ptr2 = s + w - 1; - dest_ptr1 = d - el; - dest_ptr2 = d + w; - - for (i = 0; i < h; i++) - { - memset(dest_ptr1, src_ptr1[0], el); - memcpy(dest_ptr1 + el, src_ptr1, w); - memset(dest_ptr2, src_ptr2[0], er); - src_ptr1 += sp; - src_ptr2 += sp; - dest_ptr1 += dp; - dest_ptr2 += dp; - } - - /* Now copy the top and bottom lines into each line of the respective - * borders - */ - src_ptr1 = d - el; - src_ptr2 = d + dp * (h - 1) - el; - dest_ptr1 = d + dp * (-et) - el; - dest_ptr2 = d + dp * (h) - el; - linesize = el + er + w; - - for (i = 0; i < et; i++) - { - memcpy(dest_ptr1, src_ptr1, linesize); - dest_ptr1 += dp; - } - - for (i = 0; i < eb; i++) - { - memcpy(dest_ptr2, src_ptr2, linesize); - dest_ptr2 += dp; - } -} - - -void vp8_copy_and_extend_frame(YV12_BUFFER_CONFIG *src, - YV12_BUFFER_CONFIG *dst) -{ - int et = dst->border; - int el = dst->border; - int eb = dst->border + dst->y_height - src->y_height; - int er = dst->border + dst->y_width - src->y_width; - - copy_and_extend_plane(src->y_buffer, src->y_stride, - dst->y_buffer, dst->y_stride, - src->y_height, src->y_width, - et, el, eb, er); - - et = dst->border >> 1; - el = dst->border >> 1; - eb = (dst->border >> 1) + dst->uv_height - src->uv_height; - er = (dst->border >> 1) + dst->uv_width - src->uv_width; - - copy_and_extend_plane(src->u_buffer, src->uv_stride, - dst->u_buffer, dst->uv_stride, - src->uv_height, src->uv_width, - et, el, eb, er); - - copy_and_extend_plane(src->v_buffer, src->uv_stride, - dst->v_buffer, dst->uv_stride, - src->uv_height, src->uv_width, - et, el, eb, er); -} - - -void vp8_copy_and_extend_frame_with_rect(YV12_BUFFER_CONFIG *src, - YV12_BUFFER_CONFIG *dst, - int srcy, int srcx, - int srch, int srcw) -{ - int et = dst->border; - int el = dst->border; - int eb = dst->border + dst->y_height - src->y_height; - int er = dst->border + dst->y_width - src->y_width; - int src_y_offset = srcy * src->y_stride + srcx; - int dst_y_offset = srcy * dst->y_stride + srcx; - int src_uv_offset = ((srcy * src->uv_stride) >> 1) + (srcx >> 1); - int dst_uv_offset = ((srcy * dst->uv_stride) >> 1) + (srcx >> 1); - - /* If the side is not touching the bounder then don't extend. */ - if (srcy) - et = 0; - if (srcx) - el = 0; - if (srcy + srch != src->y_height) - eb = 0; - if (srcx + srcw != src->y_width) - er = 0; - - copy_and_extend_plane(src->y_buffer + src_y_offset, - src->y_stride, - dst->y_buffer + dst_y_offset, - dst->y_stride, - srch, srcw, - et, el, eb, er); - - et = (et + 1) >> 1; - el = (el + 1) >> 1; - eb = (eb + 1) >> 1; - er = (er + 1) >> 1; - srch = (srch + 1) >> 1; - srcw = (srcw + 1) >> 1; - - copy_and_extend_plane(src->u_buffer + src_uv_offset, - src->uv_stride, - dst->u_buffer + dst_uv_offset, - dst->uv_stride, - srch, srcw, - et, el, eb, er); - - copy_and_extend_plane(src->v_buffer + src_uv_offset, - src->uv_stride, - dst->v_buffer + dst_uv_offset, - dst->uv_stride, - srch, srcw, - et, el, eb, er); -} - - -/* note the extension is only for the last row, for intra prediction purpose */ -void vp8_extend_mb_row(YV12_BUFFER_CONFIG *ybf, - unsigned char *YPtr, - unsigned char *UPtr, - unsigned char *VPtr) -{ - int i; - - YPtr += ybf->y_stride * 14; - UPtr += ybf->uv_stride * 6; - VPtr += ybf->uv_stride * 6; - - for (i = 0; i < 4; i++) - { - YPtr[i] = YPtr[-1]; - UPtr[i] = UPtr[-1]; - VPtr[i] = VPtr[-1]; - } - - YPtr += ybf->y_stride; - UPtr += ybf->uv_stride; - VPtr += ybf->uv_stride; - - for (i = 0; i < 4; i++) - { - YPtr[i] = YPtr[-1]; - UPtr[i] = UPtr[-1]; - VPtr[i] = VPtr[-1]; - } -} |