| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 | |
| 12 /**************************************************************************** | |
| 13 * | |
| 14 * Module Title : yv12extend.c | |
| 15 * | |
| 16 * Description : | |
| 17 * | |
| 18 ***************************************************************************/ | |
| 19 | |
| 20 /**************************************************************************** | |
| 21 * Header Files | |
| 22 ****************************************************************************/ | |
| 23 #include "vpx_scale/yv12config.h" | |
| 24 #include "vpx_mem/vpx_mem.h" | |
| 25 #include <nitro.h> | |
| 26 #include <nitro/mi.h> | |
| 27 #include <nitro/itcm_begin.h> | |
| 28 | |
| 29 //---- DMA Number | |
| 30 #define DMA_NO 3 | |
| 31 | |
| 32 /**************************************************************************** | |
| 33 * Exports | |
| 34 ****************************************************************************/ | |
| 35 | |
| 36 /**************************************************************************** | |
| 37 * | |
| 38 ****************************************************************************/ | |
| 39 void | |
| 40 vp8_yv12_extend_frame_borders(YV12_BUFFER_CONFIG *ybf) | |
| 41 { | |
| 42 int i; | |
| 43 unsigned char *src_ptr1, *src_ptr2; | |
| 44 unsigned char *dest_ptr1, *dest_ptr2; | |
| 45 | |
| 46 unsigned int Border; | |
| 47 int plane_stride; | |
| 48 int plane_height; | |
| 49 int plane_width; | |
| 50 | |
| 51 /***********/ | |
| 52 /* Y Plane */ | |
| 53 /***********/ | |
| 54 Border = ybf->border; | |
| 55 plane_stride = ybf->y_stride; | |
| 56 plane_height = ybf->y_height; | |
| 57 plane_width = ybf->y_width; | |
| 58 | |
| 59 // copy the left and right most columns out | |
| 60 src_ptr1 = ybf->y_buffer; | |
| 61 src_ptr2 = src_ptr1 + plane_width - 1; | |
| 62 dest_ptr1 = src_ptr1 - Border; | |
| 63 dest_ptr2 = src_ptr2 + 1; | |
| 64 | |
| 65 for (i = 0; i < plane_height; i++) | |
| 66 { | |
| 67 mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border); | |
| 68 mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border); | |
| 69 src_ptr1 += plane_stride; | |
| 70 src_ptr2 += plane_stride; | |
| 71 dest_ptr1 += plane_stride; | |
| 72 dest_ptr2 += plane_stride; | |
| 73 } | |
| 74 | |
| 75 // Now copy the top and bottom source lines into each line of the respective
borders | |
| 76 src_ptr1 = ybf->y_buffer - Border; | |
| 77 src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; | |
| 78 dest_ptr1 = src_ptr1 - (Border * plane_stride); | |
| 79 dest_ptr2 = src_ptr2 + plane_stride; | |
| 80 | |
| 81 for (i = 0; i < (int)Border; i++) | |
| 82 { | |
| 83 mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride); | |
| 84 mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride); | |
| 85 dest_ptr1 += plane_stride; | |
| 86 dest_ptr2 += plane_stride; | |
| 87 } | |
| 88 | |
| 89 plane_stride /= 2; | |
| 90 plane_height /= 2; | |
| 91 plane_width /= 2; | |
| 92 Border /= 2; | |
| 93 | |
| 94 /***********/ | |
| 95 /* U Plane */ | |
| 96 /***********/ | |
| 97 | |
| 98 // copy the left and right most columns out | |
| 99 src_ptr1 = ybf->u_buffer; | |
| 100 src_ptr2 = src_ptr1 + plane_width - 1; | |
| 101 dest_ptr1 = src_ptr1 - Border; | |
| 102 dest_ptr2 = src_ptr2 + 1; | |
| 103 | |
| 104 for (i = 0; i < plane_height; i++) | |
| 105 { | |
| 106 mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border); | |
| 107 mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border); | |
| 108 src_ptr1 += plane_stride; | |
| 109 src_ptr2 += plane_stride; | |
| 110 dest_ptr1 += plane_stride; | |
| 111 dest_ptr2 += plane_stride; | |
| 112 } | |
| 113 | |
| 114 // Now copy the top and bottom source lines into each line of the respective
borders | |
| 115 src_ptr1 = ybf->u_buffer - Border; | |
| 116 src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; | |
| 117 dest_ptr1 = src_ptr1 - (Border * plane_stride); | |
| 118 dest_ptr2 = src_ptr2 + plane_stride; | |
| 119 | |
| 120 for (i = 0; i < (int)(Border); i++) | |
| 121 { | |
| 122 mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride); | |
| 123 mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride); | |
| 124 dest_ptr1 += plane_stride; | |
| 125 dest_ptr2 += plane_stride; | |
| 126 } | |
| 127 | |
| 128 /***********/ | |
| 129 /* V Plane */ | |
| 130 /***********/ | |
| 131 | |
| 132 // copy the left and right most columns out | |
| 133 src_ptr1 = ybf->v_buffer; | |
| 134 src_ptr2 = src_ptr1 + plane_width - 1; | |
| 135 dest_ptr1 = src_ptr1 - Border; | |
| 136 dest_ptr2 = src_ptr2 + 1; | |
| 137 | |
| 138 for (i = 0; i < plane_height; i++) | |
| 139 { | |
| 140 mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border); | |
| 141 mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border); | |
| 142 src_ptr1 += plane_stride; | |
| 143 src_ptr2 += plane_stride; | |
| 144 dest_ptr1 += plane_stride; | |
| 145 dest_ptr2 += plane_stride; | |
| 146 } | |
| 147 | |
| 148 // Now copy the top and bottom source lines into each line of the respective
borders | |
| 149 src_ptr1 = ybf->v_buffer - Border; | |
| 150 src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride; | |
| 151 dest_ptr1 = src_ptr1 - (Border * plane_stride); | |
| 152 dest_ptr2 = src_ptr2 + plane_stride; | |
| 153 | |
| 154 for (i = 0; i < (int)(Border); i++) | |
| 155 { | |
| 156 mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride); | |
| 157 mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride); | |
| 158 dest_ptr1 += plane_stride; | |
| 159 dest_ptr2 += plane_stride; | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 | |
| 164 | |
| 165 /**************************************************************************** | |
| 166 * | |
| 167 * ROUTINE : vp8_yv12_copy_frame | |
| 168 * | |
| 169 * INPUTS : | |
| 170 * | |
| 171 * OUTPUTS : None. | |
| 172 * | |
| 173 * RETURNS : void | |
| 174 * | |
| 175 * FUNCTION : Copies the source image into the destination image and | |
| 176 * updates the destination's UMV borders. | |
| 177 * | |
| 178 * SPECIAL NOTES : The frames are assumed to be identical in size. | |
| 179 * | |
| 180 ****************************************************************************/ | |
| 181 void | |
| 182 vp8_yv12_copy_frame(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc) | |
| 183 { | |
| 184 int yplane_size = (src_ybc->y_height + 2 * src_ybc->border) * (src_ybc->y_st
ride); | |
| 185 int mem_size = (yplane_size * 3 / 2) + (src_ybc->y_stride * 2); | |
| 186 | |
| 187 mi_cpu_copy_fast(src_ybc->buffer_alloc, dst_ybc->buffer_alloc, mem_size); | |
| 188 | |
| 189 /* unsigned char *src_y, *dst_y; | |
| 190 unsigned char *src_u, *dst_u; | |
| 191 unsigned char *src_v, *dst_v; | |
| 192 | |
| 193 int yheight, uv_height; | |
| 194 int ystride, uv_stride; | |
| 195 int border; | |
| 196 int yoffset, uvoffset; | |
| 197 | |
| 198 border = src_ybc->border; | |
| 199 yheight = src_ybc->y_height; | |
| 200 uv_height = src_ybc->uv_height; | |
| 201 | |
| 202 ystride = src_ybc->y_stride; | |
| 203 uv_stride = src_ybc->uv_stride; | |
| 204 | |
| 205 yoffset = border * (ystride + 1); | |
| 206 uvoffset = border/2 * (uv_stride + 1); | |
| 207 | |
| 208 src_y = src_ybc->y_buffer - yoffset; | |
| 209 dst_y = dst_ybc->y_buffer - yoffset; | |
| 210 src_u = src_ybc->u_buffer - uvoffset; | |
| 211 dst_u = dst_ybc->u_buffer - uvoffset; | |
| 212 src_v = src_ybc->v_buffer - uvoffset; | |
| 213 dst_v = dst_ybc->v_buffer - uvoffset; | |
| 214 | |
| 215 mi_cpu_copy_fast (src_y, dst_y, ystride * (yheight + 2 * border)); | |
| 216 mi_cpu_copy_fast (src_u, dst_u, uv_stride * (uv_height + border)); | |
| 217 mi_cpu_copy_fast (src_v, dst_v, uv_stride * (uv_height + border)); | |
| 218 */ | |
| 219 } | |
| 220 | |
| 221 #include <nitro/itcm_end.h> | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 7671004:
Update libvpx snapshot to v0.9.7-p1 (Cayuga). (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/