diff options
Diffstat (limited to 'third_party/aom/aom_scale/mips/dspr2')
| -rw-r--r-- | third_party/aom/aom_scale/mips/dspr2/yv12extend_dspr2.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/third_party/aom/aom_scale/mips/dspr2/yv12extend_dspr2.c b/third_party/aom/aom_scale/mips/dspr2/yv12extend_dspr2.c new file mode 100644 index 000000000..869e594d7 --- /dev/null +++ b/third_party/aom/aom_scale/mips/dspr2/yv12extend_dspr2.c @@ -0,0 +1,142 @@ +/* + * 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 "aom_scale/yv12config.h" +#include "aom_mem/aom_mem.h" +#include "aom_scale/aom_scale.h" + +#if HAVE_DSPR2 +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, j; + uint8_t *left_src, *right_src; + uint8_t *left_dst_start, *right_dst_start; + uint8_t *left_dst, *right_dst; + uint8_t *top_src, *bot_src; + uint8_t *top_dst, *bot_dst; + uint32_t left_pix; + uint32_t right_pix; + uint32_t linesize; + + /* copy the left and right most columns out */ + left_src = src; + right_src = src + width - 1; + left_dst_start = src - extend_left; + right_dst_start = src + width; + + for (i = height; i--;) { + left_dst = left_dst_start; + right_dst = right_dst_start; + + __asm__ __volatile__( + "lb %[left_pix], 0(%[left_src]) \n\t" + "lb %[right_pix], 0(%[right_src]) \n\t" + "replv.qb %[left_pix], %[left_pix] \n\t" + "replv.qb %[right_pix], %[right_pix] \n\t" + + : [left_pix] "=&r"(left_pix), [right_pix] "=&r"(right_pix) + : [left_src] "r"(left_src), [right_src] "r"(right_src)); + + for (j = extend_left / 4; j--;) { + __asm__ __volatile__( + "sw %[left_pix], 0(%[left_dst]) \n\t" + "sw %[right_pix], 0(%[right_dst]) \n\t" + + : + : [left_dst] "r"(left_dst), [left_pix] "r"(left_pix), + [right_dst] "r"(right_dst), [right_pix] "r"(right_pix)); + + left_dst += 4; + right_dst += 4; + } + + for (j = extend_left % 4; j--;) { + __asm__ __volatile__( + "sb %[left_pix], 0(%[left_dst]) \n\t" + "sb %[right_pix], 0(%[right_dst]) \n\t" + + : + : [left_dst] "r"(left_dst), [left_pix] "r"(left_pix), + [right_dst] "r"(right_dst), [right_pix] "r"(right_pix)); + + left_dst += 1; + right_dst += 1; + } + + left_src += src_stride; + right_src += src_stride; + left_dst_start += src_stride; + right_dst_start += src_stride; + } + + /* Now copy the top and bottom lines into each line of the respective + * borders + */ + top_src = src - extend_left; + bot_src = src + src_stride * (height - 1) - extend_left; + top_dst = src + src_stride * (-extend_top) - extend_left; + bot_dst = src + src_stride * (height)-extend_left; + linesize = extend_left + extend_right + width; + + for (i = 0; i < extend_top; i++) { + memcpy(top_dst, top_src, linesize); + top_dst += src_stride; + } + + for (i = 0; i < extend_bottom; i++) { + memcpy(bot_dst, bot_src, linesize); + bot_dst += src_stride; + } +} + +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); + + 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 aom_extend_frame_borders_dspr2(YV12_BUFFER_CONFIG *ybf, + const int num_planes) { + extend_frame(ybf, ybf->border, num_planes); +} + +void aom_extend_frame_inner_borders_dspr2(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); +} +#endif |