Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Georgios Pinitas | b6f88b4 | 2020-03-05 15:05:00 +0000 | [diff] [blame^] | 2 | * Copyright (c) 2016-2020 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/core/Error.h" |
| 25 | #include "arm_compute/core/Helpers.h" |
| 26 | #include "arm_compute/core/IMultiImage.h" |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 27 | #include "arm_compute/core/NEON/NEMath.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 28 | #include "arm_compute/core/Utils.h" |
| 29 | |
| 30 | #include <arm_neon.h> |
| 31 | |
| 32 | namespace |
| 33 | { |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 34 | #ifndef DOXYGEN_SKIP_THIS |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 35 | constexpr float red_coef_bt709 = 1.5748F; |
| 36 | constexpr float green_coef_bt709 = -0.1873f; |
| 37 | constexpr float green_coef2_bt709 = -0.4681f; |
| 38 | constexpr float blue_coef_bt709 = 1.8556f; |
| 39 | |
| 40 | constexpr float rgb2yuv_bt709_kr = 0.2126f; |
| 41 | constexpr float rgb2yuv_bt709_kb = 0.0722f; |
| 42 | // K_g = 1 - K_r - K_b |
| 43 | constexpr float rgb2yuv_bt709_kg = 0.7152f; |
| 44 | // C_u = 1 / (2 * (1 - K_b)) |
| 45 | constexpr float rgb2yuv_bt709_cu = 0.5389f; |
| 46 | // C_v = 1 / (2 * (1 - K_r)) |
| 47 | constexpr float rgb2yuv_bt709_cv = 0.6350f; |
| 48 | |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 49 | constexpr float rgb2u8_red_coef = 0.2126f; |
| 50 | constexpr float rgb2u8_green_coef = 0.7152f; |
| 51 | constexpr float rgb2u8_blue_coef = 0.0722f; |
| 52 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 53 | inline float32x4_t rgb_to_greyscale_calculation(const float32x4_t &rcolor, const float32x4_t &gcolor, const float32x4_t &bcolor, |
| 54 | const float rcoef, const float gcoef, const float bcoef) |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 55 | { |
| 56 | float32x4_t greyscale = vmulq_n_f32(rcolor, rcoef); |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 57 | greyscale = vmlaq_n_f32(greyscale, gcolor, gcoef); |
| 58 | greyscale = vmlaq_n_f32(greyscale, bcolor, bcoef); |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 59 | return greyscale; |
| 60 | } |
| 61 | |
| 62 | inline void rgb_to_u8_conversion(const uint8x16x3_t &in, uint8x16_t &out) |
| 63 | { |
| 64 | float32x4x4_t out_float32; |
| 65 | |
| 66 | //Conversion from 3(RGB) 4 uint8s to 3(RGB) 4 floats |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 67 | const float32x4x4_t r_float32 = arm_compute::convert_uint8x16_to_float32x4x4(in.val[0]); |
| 68 | const float32x4x4_t g_float32 = arm_compute::convert_uint8x16_to_float32x4x4(in.val[1]); |
| 69 | const float32x4x4_t b_float32 = arm_compute::convert_uint8x16_to_float32x4x4(in.val[2]); |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 70 | |
| 71 | //New grayscale image = ( (RED_COEFF * R) + (GREEN_COEFF * G) + (BLUE_COEFF * B) ) |
| 72 | //Computation of 1(Greyscale) 4 uint8 using 3(RGB) 4 uint8s float |
| 73 | out_float32.val[0] = rgb_to_greyscale_calculation(r_float32.val[0], g_float32.val[0], b_float32.val[0], |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 74 | rgb2u8_red_coef, rgb2u8_green_coef, rgb2u8_blue_coef); |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 75 | |
| 76 | out_float32.val[1] = rgb_to_greyscale_calculation(r_float32.val[1], g_float32.val[1], b_float32.val[1], |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 77 | rgb2u8_red_coef, rgb2u8_green_coef, rgb2u8_blue_coef); |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 78 | |
| 79 | out_float32.val[2] = rgb_to_greyscale_calculation(r_float32.val[2], g_float32.val[2], b_float32.val[2], |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 80 | rgb2u8_red_coef, rgb2u8_green_coef, rgb2u8_blue_coef); |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 81 | |
| 82 | out_float32.val[3] = rgb_to_greyscale_calculation(r_float32.val[3], g_float32.val[3], b_float32.val[3], |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 83 | rgb2u8_red_coef, rgb2u8_green_coef, rgb2u8_blue_coef); |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 84 | |
| 85 | //Conversion from 1(Greyscale) 4 floats to 1(Greyscale) 4 uint8s |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 86 | arm_compute::convert_float32x4x4_to_uint8x16(out_float32, out); |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 87 | } |
| 88 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 89 | inline void rgb_to_yuv_calculation(const float32x4_t &rvec, const float32x4_t &gvec, const float32x4_t &bvec, |
| 90 | float32x4_t &yvec, float32x4_t &uvec, float32x4_t &vvec) |
| 91 | { |
| 92 | /* |
| 93 | Y'= 0.2126*R' + 0.7152*G' + 0.0722*B' |
| 94 | U'=-0.1146*R' - 0.3854*G' + 0.5000*B' |
| 95 | V'= 0.5000*R' - 0.4542*G' - 0.0458*B' |
| 96 | */ |
| 97 | const auto c128 = vdupq_n_f32(128.f); |
| 98 | |
| 99 | // Y = R * K_r + G * (1 - K_r - K_b) * B * K_b |
| 100 | yvec = vmulq_n_f32(rvec, rgb2yuv_bt709_kr); |
| 101 | yvec = vmlaq_n_f32(yvec, gvec, rgb2yuv_bt709_kg); |
| 102 | yvec = vmlaq_n_f32(yvec, bvec, rgb2yuv_bt709_kb); |
| 103 | |
| 104 | // U = (B - Y) / (2 * (1 - K_b)) |
| 105 | uvec = vsubq_f32(bvec, yvec); |
| 106 | uvec = vmlaq_n_f32(c128, uvec, rgb2yuv_bt709_cu); |
| 107 | |
| 108 | // V = (R - Y) / (2 * (1 - K_r)) |
| 109 | vvec = vsubq_f32(rvec, yvec); |
| 110 | vvec = vmlaq_n_f32(c128, vvec, rgb2yuv_bt709_cv); |
| 111 | } |
| 112 | |
| 113 | inline void yuyv_to_rgb_calculation(const float32x4_t &yvec_val, float32x4_t uvec_val, const float32x4_t &yyvec_val, |
| 114 | float32x4_t vvec_val, unsigned char *output_ptr, const bool alpha) |
| 115 | { |
| 116 | float32x4x3_t rgb1, rgb2; |
| 117 | |
| 118 | // Compute: cb - 128 and cr - 128; |
| 119 | const auto c128 = vdupq_n_f32(128.f); |
| 120 | uvec_val = vsubq_f32(uvec_val, c128); |
| 121 | vvec_val = vsubq_f32(vvec_val, c128); |
| 122 | |
| 123 | // Compute: |
| 124 | // r = 0.0000f*f_u + 1.5748f*f_v; |
| 125 | // g = 0.1873f*f_u - 0.4681f*f_v; |
| 126 | // b = 1.8556f*f_u + 0.0000f*f_v; |
| 127 | const auto red = vmulq_n_f32(vvec_val, red_coef_bt709); |
| 128 | const auto blue = vmulq_n_f32(uvec_val, blue_coef_bt709); |
| 129 | const auto green = vaddq_f32(vmulq_n_f32(uvec_val, green_coef_bt709), |
| 130 | vmulq_n_f32(vvec_val, green_coef2_bt709)); |
| 131 | |
| 132 | // Compute the final r,g,b values using y1 for the first texel and y2 for the second one. |
| 133 | // the result is stored in two float32x4x3_t which then are converted to one uint8x8x3_t |
| 134 | // and written back to memory using vst3 instruction |
| 135 | |
| 136 | rgb1.val[0] = vaddq_f32(yvec_val, red); |
| 137 | rgb1.val[1] = vaddq_f32(yvec_val, green); |
| 138 | rgb1.val[2] = vaddq_f32(yvec_val, blue); |
| 139 | |
| 140 | rgb2.val[0] = vaddq_f32(yyvec_val, red); |
| 141 | rgb2.val[1] = vaddq_f32(yyvec_val, green); |
| 142 | rgb2.val[2] = vaddq_f32(yyvec_val, blue); |
| 143 | |
| 144 | uint8x8x3_t u8_rgb; |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 145 | arm_compute::convert_float32x4x3_to_uint8x8x3(rgb1, rgb2, u8_rgb); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 146 | |
| 147 | if(!alpha) |
| 148 | { |
| 149 | vst3_lane_u8(&output_ptr[0], u8_rgb, 0); |
| 150 | vst3_lane_u8(&output_ptr[3], u8_rgb, 4); |
| 151 | vst3_lane_u8(&output_ptr[6], u8_rgb, 1); |
| 152 | vst3_lane_u8(&output_ptr[9], u8_rgb, 5); |
| 153 | vst3_lane_u8(&output_ptr[12], u8_rgb, 2); |
| 154 | vst3_lane_u8(&output_ptr[15], u8_rgb, 6); |
| 155 | vst3_lane_u8(&output_ptr[18], u8_rgb, 3); |
| 156 | vst3_lane_u8(&output_ptr[21], u8_rgb, 7); |
| 157 | } |
| 158 | else |
| 159 | { |
| 160 | uint8x8x4_t u8_rgba; |
| 161 | u8_rgba.val[0] = u8_rgb.val[0]; |
| 162 | u8_rgba.val[1] = u8_rgb.val[1]; |
| 163 | u8_rgba.val[2] = u8_rgb.val[2]; |
| 164 | u8_rgba.val[3] = vdup_n_u8(255); |
| 165 | vst4_lane_u8(&output_ptr[0], u8_rgba, 0); |
| 166 | vst4_lane_u8(&output_ptr[4], u8_rgba, 4); |
| 167 | vst4_lane_u8(&output_ptr[8], u8_rgba, 1); |
| 168 | vst4_lane_u8(&output_ptr[12], u8_rgba, 5); |
| 169 | vst4_lane_u8(&output_ptr[16], u8_rgba, 2); |
| 170 | vst4_lane_u8(&output_ptr[20], u8_rgba, 6); |
| 171 | vst4_lane_u8(&output_ptr[24], u8_rgba, 3); |
| 172 | vst4_lane_u8(&output_ptr[28], u8_rgba, 7); |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | inline uint8x16x3_t load_rgb(const unsigned char *const ptr, const bool alpha) |
| 177 | { |
| 178 | uint8x16x3_t rgb; |
| 179 | |
| 180 | if(alpha) |
| 181 | { |
| 182 | const auto tmp = vld4q_u8(ptr); |
| 183 | rgb.val[0] = tmp.val[0]; |
| 184 | rgb.val[1] = tmp.val[1]; |
| 185 | rgb.val[2] = tmp.val[2]; |
| 186 | } |
| 187 | else |
| 188 | { |
| 189 | rgb = vld3q_u8(ptr); |
| 190 | } |
| 191 | |
| 192 | return rgb; |
| 193 | } |
| 194 | |
| 195 | inline void rgb_to_yuv_conversion(uint8x16x3_t &vec_top, uint8x16x3_t &vec_bottom) |
| 196 | { |
| 197 | // Convert the uint8x16_t to float32x4x4_t |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 198 | const float32x4x4_t frvec_top = arm_compute::convert_uint8x16_to_float32x4x4(vec_top.val[0]); |
| 199 | const float32x4x4_t fgvec_top = arm_compute::convert_uint8x16_to_float32x4x4(vec_top.val[1]); |
| 200 | const float32x4x4_t fbvec_top = arm_compute::convert_uint8x16_to_float32x4x4(vec_top.val[2]); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 201 | |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 202 | const float32x4x4_t frvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(vec_bottom.val[0]); |
| 203 | const float32x4x4_t fgvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(vec_bottom.val[1]); |
| 204 | const float32x4x4_t fbvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(vec_bottom.val[2]); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 205 | |
| 206 | float32x4x4_t fyvec_top, fuvec_top, fvvec_top; |
| 207 | float32x4x4_t fyvec_bottom, fuvec_bottom, fvvec_bottom; |
| 208 | |
| 209 | for(auto i = 0; i < 4; ++i) |
| 210 | { |
| 211 | rgb_to_yuv_calculation(frvec_top.val[i], fgvec_top.val[i], fbvec_top.val[i], |
| 212 | fyvec_top.val[i], fuvec_top.val[i], fvvec_top.val[i]); |
| 213 | rgb_to_yuv_calculation(frvec_bottom.val[i], fgvec_bottom.val[i], fbvec_bottom.val[i], |
| 214 | fyvec_bottom.val[i], fuvec_bottom.val[i], fvvec_bottom.val[i]); |
| 215 | } |
| 216 | |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 217 | arm_compute::convert_float32x4x4_to_uint8x16(fyvec_top, vec_top.val[0]); |
| 218 | arm_compute::convert_float32x4x4_to_uint8x16(fuvec_top, vec_top.val[1]); |
| 219 | arm_compute::convert_float32x4x4_to_uint8x16(fvvec_top, vec_top.val[2]); |
| 220 | arm_compute::convert_float32x4x4_to_uint8x16(fyvec_bottom, vec_bottom.val[0]); |
| 221 | arm_compute::convert_float32x4x4_to_uint8x16(fuvec_bottom, vec_bottom.val[1]); |
| 222 | arm_compute::convert_float32x4x4_to_uint8x16(fvvec_bottom, vec_bottom.val[2]); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | inline void store_rgb_to_nv12(const uint8x16_t &rvec_top, const uint8x16_t &gvec_top, const uint8x16_t &bvec_top, |
| 226 | const uint8x16_t &rvec_bottom, const uint8x16_t &gvec_bottom, const uint8x16_t &bvec_bottom, |
| 227 | unsigned char *const __restrict out_y_top, unsigned char *const __restrict out_y_bottom, |
| 228 | unsigned char *const __restrict out_uv) |
| 229 | { |
| 230 | uint8x16x3_t vec_top, vec_bottom; |
| 231 | vec_top.val[0] = rvec_top; |
| 232 | vec_top.val[1] = gvec_top; |
| 233 | vec_top.val[2] = bvec_top; |
| 234 | vec_bottom.val[0] = rvec_bottom; |
| 235 | vec_bottom.val[1] = gvec_bottom; |
| 236 | vec_bottom.val[2] = bvec_bottom; |
| 237 | |
| 238 | rgb_to_yuv_conversion(vec_top, vec_bottom); |
| 239 | |
| 240 | vst1q_u8(out_y_top, vec_top.val[0]); |
| 241 | vst1q_u8(out_y_bottom, vec_bottom.val[0]); |
| 242 | |
| 243 | const auto uvec = vuzpq_u8(vec_top.val[1], vec_bottom.val[1]); |
| 244 | const auto vvec = vuzpq_u8(vec_top.val[2], vec_bottom.val[2]); |
| 245 | const auto utmp = vrhaddq_u8(uvec.val[0], uvec.val[1]); |
| 246 | const auto vtmp = vrhaddq_u8(vvec.val[0], vvec.val[1]); |
| 247 | |
| 248 | uint8x8x2_t uvvec; |
| 249 | uvvec.val[0] = vhadd_u8(vget_low_u8(utmp), vget_high_u8(utmp)); |
| 250 | uvvec.val[1] = vhadd_u8(vget_low_u8(vtmp), vget_high_u8(vtmp)); |
| 251 | |
| 252 | vst2_u8(out_uv, uvvec); |
| 253 | } |
| 254 | |
| 255 | inline void store_rgb_to_iyuv(const uint8x16_t &rvec_top, const uint8x16_t &gvec_top, const uint8x16_t &bvec_top, |
| 256 | const uint8x16_t &rvec_bottom, const uint8x16_t &gvec_bottom, const uint8x16_t &bvec_bottom, |
| 257 | unsigned char *const __restrict out_y_top, unsigned char *const __restrict out_y_bottom, |
| 258 | unsigned char *const __restrict out_u, |
| 259 | unsigned char *const __restrict out_v) |
| 260 | { |
| 261 | uint8x16x3_t vec_top, vec_bottom; |
| 262 | vec_top.val[0] = rvec_top; |
| 263 | vec_top.val[1] = gvec_top; |
| 264 | vec_top.val[2] = bvec_top; |
| 265 | vec_bottom.val[0] = rvec_bottom; |
| 266 | vec_bottom.val[1] = gvec_bottom; |
| 267 | vec_bottom.val[2] = bvec_bottom; |
| 268 | |
| 269 | rgb_to_yuv_conversion(vec_top, vec_bottom); |
| 270 | |
| 271 | vst1q_u8(out_y_top, vec_top.val[0]); |
| 272 | vst1q_u8(out_y_bottom, vec_bottom.val[0]); |
| 273 | |
| 274 | const auto uvvec_top = vuzpq_u8(vec_top.val[1], vec_top.val[2]); |
| 275 | const auto uvvec_bottom = vuzpq_u8(vec_bottom.val[1], vec_bottom.val[2]); |
| 276 | const auto uvvec = vhaddq_u8(vrhaddq_u8(uvvec_top.val[0], uvvec_top.val[1]), |
| 277 | vrhaddq_u8(uvvec_bottom.val[0], uvvec_bottom.val[1])); |
| 278 | |
| 279 | vst1_u8(out_u, vget_low_u8(uvvec)); |
| 280 | vst1_u8(out_v, vget_high_u8(uvvec)); |
| 281 | } |
| 282 | |
| 283 | inline void store_rgb_to_yuv4(const uint8x16_t &rvec, const uint8x16_t &gvec, const uint8x16_t &bvec, |
| 284 | unsigned char *const __restrict out_y, |
| 285 | unsigned char *const __restrict out_u, |
| 286 | unsigned char *const __restrict out_v) |
| 287 | { |
| 288 | // Convert the uint8x16_t to float32x4x4_t |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 289 | const float32x4x4_t frvec = arm_compute::convert_uint8x16_to_float32x4x4(rvec); |
| 290 | const float32x4x4_t fgvec = arm_compute::convert_uint8x16_to_float32x4x4(gvec); |
| 291 | const float32x4x4_t fbvec = arm_compute::convert_uint8x16_to_float32x4x4(bvec); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 292 | |
| 293 | float32x4x4_t fyvec, fuvec, fvvec; |
| 294 | for(auto i = 0; i < 4; ++i) |
| 295 | { |
| 296 | rgb_to_yuv_calculation(frvec.val[i], fgvec.val[i], fbvec.val[i], |
| 297 | fyvec.val[i], fuvec.val[i], fvvec.val[i]); |
| 298 | } |
| 299 | |
| 300 | uint8x16_t yvec, uvec, vvec; |
Sang-Hoon Park | c3a7420 | 2019-11-22 16:05:46 +0000 | [diff] [blame] | 301 | arm_compute::convert_float32x4x4_to_uint8x16(fyvec, yvec); |
| 302 | arm_compute::convert_float32x4x4_to_uint8x16(fuvec, uvec); |
| 303 | arm_compute::convert_float32x4x4_to_uint8x16(fvvec, vvec); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 304 | |
| 305 | vst1q_u8(out_y, yvec); |
| 306 | vst1q_u8(out_u, uvec); |
| 307 | vst1q_u8(out_v, vvec); |
| 308 | } |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 309 | #endif /* DOXYGEN_SKIP_THIS */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | namespace arm_compute |
| 313 | { |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 314 | /** Convert RGB to RGBX. |
| 315 | * |
| 316 | * @param[in] input Input RGB data buffer. |
| 317 | * @param[out] output Output RGBX buffer. |
| 318 | * @param[in] win Window for iterating the buffers. |
| 319 | * |
| 320 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 321 | void colorconvert_rgb_to_rgbx(const void *__restrict input, void *__restrict output, const Window &win) |
| 322 | { |
| 323 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 324 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 325 | |
| 326 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 327 | const auto output_ptr = static_cast<IImage *__restrict>(output); |
| 328 | |
| 329 | Iterator in(input_ptr, win); |
| 330 | Iterator out(output_ptr, win); |
| 331 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 332 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 333 | { |
| 334 | const auto ta1 = vld3q_u8(in.ptr()); |
| 335 | uint8x16x4_t ta2; |
| 336 | ta2.val[0] = ta1.val[0]; |
| 337 | ta2.val[1] = ta1.val[1]; |
| 338 | ta2.val[2] = ta1.val[2]; |
| 339 | ta2.val[3] = vdupq_n_u8(255); |
| 340 | vst4q_u8(out.ptr(), ta2); |
| 341 | }, |
| 342 | in, out); |
| 343 | } |
| 344 | |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 345 | /** Convert RGB to U8. |
| 346 | * |
| 347 | * @param[in] input Input RGB data buffer. |
| 348 | * @param[out] output Output U8 buffer. |
| 349 | * @param[in] win Window for iterating the buffers. |
| 350 | * |
| 351 | */ |
| 352 | void colorconvert_rgb_to_u8(const void *__restrict input, void *__restrict output, const Window &win) |
| 353 | { |
| 354 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 355 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 356 | |
| 357 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 358 | const auto output_ptr = static_cast<IImage *__restrict>(output); |
| 359 | |
| 360 | Iterator in(input_ptr, win); |
| 361 | Iterator out(output_ptr, win); |
| 362 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 363 | execute_window_loop(win, [&](const Coordinates &) |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 364 | { |
| 365 | const auto ta1 = vld3q_u8(in.ptr()); |
| 366 | uint8x16_t ta2; |
| 367 | rgb_to_u8_conversion(ta1, ta2); |
| 368 | vst1q_u8(out.ptr(), ta2); |
| 369 | }, |
| 370 | in, out); |
| 371 | } |
| 372 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 373 | /** Convert RGBX to RGB. |
| 374 | * |
| 375 | * @param[in] input Input RGBX data buffer. |
| 376 | * @param[out] output Output RGB buffer. |
| 377 | * @param[in] win Window for iterating the buffers. |
| 378 | * |
| 379 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 380 | void colorconvert_rgbx_to_rgb(const void *input, void *output, const Window &win) |
| 381 | { |
| 382 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 383 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 384 | |
| 385 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 386 | const auto output_ptr = static_cast<IImage *__restrict>(output); |
| 387 | |
| 388 | Iterator in(input_ptr, win); |
| 389 | Iterator out(output_ptr, win); |
| 390 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 391 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 392 | { |
| 393 | const auto ta1 = vld4q_u8(in.ptr()); |
| 394 | uint8x16x3_t ta2; |
| 395 | ta2.val[0] = ta1.val[0]; |
| 396 | ta2.val[1] = ta1.val[1]; |
| 397 | ta2.val[2] = ta1.val[2]; |
| 398 | vst3q_u8(out.ptr(), ta2); |
| 399 | }, |
| 400 | in, out); |
| 401 | } |
| 402 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 403 | /** Convert YUYV to RGB. |
| 404 | * |
| 405 | * @param[in] input Input YUYV data buffer. |
| 406 | * @param[out] output Output RGB buffer. |
| 407 | * @param[in] win Window for iterating the buffers. |
| 408 | * |
| 409 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 410 | template <bool yuyv, bool alpha> |
| 411 | void colorconvert_yuyv_to_rgb(const void *__restrict input, void *__restrict output, const Window &win) |
| 412 | { |
| 413 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 414 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 415 | |
| 416 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 417 | const auto output_ptr = static_cast<IImage *__restrict>(output); |
| 418 | |
| 419 | constexpr auto element_size = alpha ? 32 : 24; |
| 420 | constexpr auto shift = yuyv ? 0 : 1; |
| 421 | |
| 422 | Iterator in(input_ptr, win); |
| 423 | Iterator out(output_ptr, win); |
| 424 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 425 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 426 | { |
Manuel Bottini | 4284bfa | 2018-09-26 15:33:15 +0100 | [diff] [blame] | 427 | const auto ta = vld4q_u8(in.ptr()); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 428 | //ta.val[0] = Y0 Y2 Y4 Y6 ... |
| 429 | //ta.val[1] = U0 U2 U4 U6 ... |
| 430 | //ta.val[2] = Y1 Y3 Y5 Y7 ... |
| 431 | //ta.val[3] = V0 V2 V4 V7 ... |
| 432 | |
| 433 | // Convert the uint8x16x4_t to float32x4x4_t |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 434 | const float32x4x4_t yvec = arm_compute::convert_uint8x16_to_float32x4x4(ta.val[0 + shift]); |
| 435 | const float32x4x4_t uvec = arm_compute::convert_uint8x16_to_float32x4x4(ta.val[1 - shift]); |
| 436 | const float32x4x4_t yyvec = arm_compute::convert_uint8x16_to_float32x4x4(ta.val[2 + shift]); |
| 437 | const float32x4x4_t vvec = arm_compute::convert_uint8x16_to_float32x4x4(ta.val[3 - shift]); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 438 | |
| 439 | yuyv_to_rgb_calculation(yvec.val[0], uvec.val[0], yyvec.val[0], vvec.val[0], out.ptr() + 0 * element_size, alpha); |
| 440 | yuyv_to_rgb_calculation(yvec.val[1], uvec.val[1], yyvec.val[1], vvec.val[1], out.ptr() + 1 * element_size, alpha); |
| 441 | yuyv_to_rgb_calculation(yvec.val[2], uvec.val[2], yyvec.val[2], vvec.val[2], out.ptr() + 2 * element_size, alpha); |
| 442 | yuyv_to_rgb_calculation(yvec.val[3], uvec.val[3], yyvec.val[3], vvec.val[3], out.ptr() + 3 * element_size, alpha); |
| 443 | }, |
| 444 | in, out); |
| 445 | } |
| 446 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 447 | /** Convert NV12 to RGB. |
| 448 | * |
| 449 | * @param[in] input Input NV12 data buffer. |
| 450 | * @param[out] output Output RGB buffer. |
| 451 | * @param[in] win Window for iterating the buffers. |
| 452 | * |
| 453 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 454 | template <bool uv, bool alpha> |
| 455 | void colorconvert_nv12_to_rgb(const void *__restrict input, void *__restrict output, const Window &win) |
| 456 | { |
| 457 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 458 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 459 | win.validate(); |
| 460 | |
| 461 | const auto input_ptr = static_cast<const IMultiImage *__restrict>(input); |
| 462 | const auto output_ptr = static_cast<IImage *__restrict>(output); |
| 463 | |
| 464 | constexpr auto element_size = alpha ? 32 : 24; |
| 465 | const auto out_stride = output_ptr->info()->strides_in_bytes().y(); |
| 466 | constexpr auto shift = uv ? 0 : 1; |
| 467 | |
| 468 | // UV's width and height are subsampled |
| 469 | Window win_uv(win); |
| 470 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win.x().step() / 2)); |
| 471 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 472 | win_uv.validate(); |
| 473 | |
| 474 | Iterator in_y(input_ptr->plane(0), win); |
| 475 | Iterator in_uv(input_ptr->plane(1), win_uv); |
| 476 | Iterator out(output_ptr, win); |
| 477 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 478 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 479 | { |
| 480 | const auto ta_y_top = vld2q_u8(in_y.ptr()); |
| 481 | const auto ta_y_bottom = vld2q_u8(in_y.ptr() + input_ptr->plane(0)->info()->strides_in_bytes().y()); |
| 482 | const auto ta_uv = vld2q_u8(in_uv.ptr()); |
| 483 | //ta_y.val[0] = Y0 Y2 Y4 Y6 ... |
| 484 | //ta_y.val[1] = Y1 Y3 Y5 Y7 ... |
| 485 | //ta_uv.val[0] = U0 U2 U4 U6 ... |
| 486 | //ta_uv.val[1] = V0 V2 V4 V6 ... |
| 487 | |
| 488 | // Convert the uint8x16x4_t to float32x4x4_t |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 489 | float32x4x4_t yvec_top = arm_compute::convert_uint8x16_to_float32x4x4(ta_y_top.val[0]); |
| 490 | float32x4x4_t yyvec_top = arm_compute::convert_uint8x16_to_float32x4x4(ta_y_top.val[1]); |
| 491 | float32x4x4_t yvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(ta_y_bottom.val[0]); |
| 492 | float32x4x4_t yyvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(ta_y_bottom.val[1]); |
| 493 | float32x4x4_t uvec = arm_compute::convert_uint8x16_to_float32x4x4(ta_uv.val[0 + shift]); |
| 494 | float32x4x4_t vvec = arm_compute::convert_uint8x16_to_float32x4x4(ta_uv.val[1 - shift]); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 495 | |
| 496 | yuyv_to_rgb_calculation(yvec_top.val[0], uvec.val[0], yyvec_top.val[0], vvec.val[0], out.ptr() + 0 * element_size, alpha); |
| 497 | yuyv_to_rgb_calculation(yvec_top.val[1], uvec.val[1], yyvec_top.val[1], vvec.val[1], out.ptr() + 1 * element_size, alpha); |
| 498 | yuyv_to_rgb_calculation(yvec_top.val[2], uvec.val[2], yyvec_top.val[2], vvec.val[2], out.ptr() + 2 * element_size, alpha); |
| 499 | yuyv_to_rgb_calculation(yvec_top.val[3], uvec.val[3], yyvec_top.val[3], vvec.val[3], out.ptr() + 3 * element_size, alpha); |
| 500 | |
| 501 | yuyv_to_rgb_calculation(yvec_bottom.val[0], uvec.val[0], yyvec_bottom.val[0], vvec.val[0], out.ptr() + out_stride + 0 * element_size, alpha); |
| 502 | yuyv_to_rgb_calculation(yvec_bottom.val[1], uvec.val[1], yyvec_bottom.val[1], vvec.val[1], out.ptr() + out_stride + 1 * element_size, alpha); |
| 503 | yuyv_to_rgb_calculation(yvec_bottom.val[2], uvec.val[2], yyvec_bottom.val[2], vvec.val[2], out.ptr() + out_stride + 2 * element_size, alpha); |
| 504 | yuyv_to_rgb_calculation(yvec_bottom.val[3], uvec.val[3], yyvec_bottom.val[3], vvec.val[3], out.ptr() + out_stride + 3 * element_size, alpha); |
| 505 | }, |
| 506 | in_y, in_uv, out); |
| 507 | } |
| 508 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 509 | /** Convert IYUV to RGB. |
| 510 | * |
| 511 | * @param[in] input Input IYUV data buffer. |
| 512 | * @param[out] output Output RGB buffer. |
| 513 | * @param[in] win Window for iterating the buffers. |
| 514 | * |
| 515 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 516 | template <bool alpha> |
| 517 | void colorconvert_iyuv_to_rgb(const void *__restrict input, void *__restrict output, const Window &win) |
| 518 | { |
| 519 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 520 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 521 | win.validate(); |
| 522 | |
| 523 | const auto input_ptr = static_cast<const IMultiImage *__restrict>(input); |
| 524 | const auto output_ptr = static_cast<IImage *__restrict>(output); |
| 525 | |
| 526 | constexpr auto element_size = alpha ? 32 : 24; |
| 527 | const auto out_stride = output_ptr->info()->strides_in_bytes().y(); |
| 528 | |
| 529 | // UV's width and height are subsampled |
| 530 | Window win_uv(win); |
| 531 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 532 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 533 | win_uv.validate(); |
| 534 | |
| 535 | Iterator in_y(input_ptr->plane(0), win); |
| 536 | Iterator in_u(input_ptr->plane(1), win_uv); |
| 537 | Iterator in_v(input_ptr->plane(2), win_uv); |
| 538 | Iterator out(output_ptr, win); |
| 539 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 540 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 541 | { |
Georgios Pinitas | b6f88b4 | 2020-03-05 15:05:00 +0000 | [diff] [blame^] | 542 | const auto *y_top_ptr = in_y.ptr(); |
| 543 | const auto *y_bottom_ptr = in_y.ptr() + input_ptr->plane(0)->info()->strides_in_bytes().y(); |
| 544 | const auto *u_ptr = in_u.ptr(); |
| 545 | const auto *v_ptr = in_v.ptr(); |
| 546 | |
| 547 | // Work-around issue in gcc 9(>=) where vld2q might cause issues with register allocation |
| 548 | #if defined(__arch64__) |
| 549 | const auto ta0_y_top = vld1q_u8(y_top_ptr); |
| 550 | const auto ta1_y_top = vld1q_u8(y_top_ptr + 16); |
| 551 | const auto ta0_y_bottom = vld1q_u8(y_bottom_ptr); |
| 552 | const auto ta1_y_bottom = vld1q_u8(y_bottom_ptr + 16); |
| 553 | const auto ta_u = vld1q_u8(u_ptr); |
| 554 | const auto ta_v = vld1q_u8(v_ptr); |
| 555 | |
| 556 | // Convert the uint8x16x4_t to float32x4x4_t |
| 557 | float32x4x4_t yvec_top = arm_compute::convert_uint8x16_to_float32x4x4(vuzp1q_u8(ta0_y_top, ta1_y_top)); |
| 558 | float32x4x4_t yyvec_top = arm_compute::convert_uint8x16_to_float32x4x4(vuzp2q_u8(ta0_y_top, ta1_y_top)); |
| 559 | float32x4x4_t yvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(vuzp1q_u8(ta0_y_bottom, ta1_y_bottom)); |
| 560 | float32x4x4_t yyvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(vuzp2q_u8(ta0_y_bottom, ta1_y_bottom)); |
| 561 | float32x4x4_t uvec = arm_compute::convert_uint8x16_to_float32x4x4(ta_u); |
| 562 | float32x4x4_t vvec = arm_compute::convert_uint8x16_to_float32x4x4(ta_v); |
| 563 | #else /* defined(__arch64__) */ |
| 564 | const auto ta_y_top = vld2q_u8(y_top_ptr); |
| 565 | const auto ta_y_bottom = vld2q_u8(y_bottom_ptr); |
| 566 | const auto ta_u = vld1q_u8(u_ptr); |
| 567 | const auto ta_v = vld1q_u8(v_ptr); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 568 | //ta_y.val[0] = Y0 Y2 Y4 Y6 ... |
| 569 | //ta_y.val[1] = Y1 Y3 Y5 Y7 ... |
| 570 | //ta_u.val[0] = U0 U2 U4 U6 ... |
| 571 | //ta_v.val[0] = V0 V2 V4 V6 ... |
| 572 | |
| 573 | // Convert the uint8x16x4_t to float32x4x4_t |
Manuel Bottini | 21079dd | 2019-10-29 17:20:09 +0000 | [diff] [blame] | 574 | float32x4x4_t yvec_top = arm_compute::convert_uint8x16_to_float32x4x4(ta_y_top.val[0]); |
| 575 | float32x4x4_t yyvec_top = arm_compute::convert_uint8x16_to_float32x4x4(ta_y_top.val[1]); |
| 576 | float32x4x4_t yvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(ta_y_bottom.val[0]); |
| 577 | float32x4x4_t yyvec_bottom = arm_compute::convert_uint8x16_to_float32x4x4(ta_y_bottom.val[1]); |
| 578 | float32x4x4_t uvec = arm_compute::convert_uint8x16_to_float32x4x4(ta_u); |
| 579 | float32x4x4_t vvec = arm_compute::convert_uint8x16_to_float32x4x4(ta_v); |
Georgios Pinitas | b6f88b4 | 2020-03-05 15:05:00 +0000 | [diff] [blame^] | 580 | #endif /* defined(__arch64__) */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 581 | |
| 582 | yuyv_to_rgb_calculation(yvec_top.val[0], uvec.val[0], yyvec_top.val[0], vvec.val[0], out.ptr() + 0 * element_size, alpha); |
| 583 | yuyv_to_rgb_calculation(yvec_top.val[1], uvec.val[1], yyvec_top.val[1], vvec.val[1], out.ptr() + 1 * element_size, alpha); |
| 584 | yuyv_to_rgb_calculation(yvec_top.val[2], uvec.val[2], yyvec_top.val[2], vvec.val[2], out.ptr() + 2 * element_size, alpha); |
| 585 | yuyv_to_rgb_calculation(yvec_top.val[3], uvec.val[3], yyvec_top.val[3], vvec.val[3], out.ptr() + 3 * element_size, alpha); |
| 586 | |
| 587 | yuyv_to_rgb_calculation(yvec_bottom.val[0], uvec.val[0], yyvec_bottom.val[0], vvec.val[0], out.ptr() + out_stride + 0 * element_size, alpha); |
| 588 | yuyv_to_rgb_calculation(yvec_bottom.val[1], uvec.val[1], yyvec_bottom.val[1], vvec.val[1], out.ptr() + out_stride + 1 * element_size, alpha); |
| 589 | yuyv_to_rgb_calculation(yvec_bottom.val[2], uvec.val[2], yyvec_bottom.val[2], vvec.val[2], out.ptr() + out_stride + 2 * element_size, alpha); |
| 590 | yuyv_to_rgb_calculation(yvec_bottom.val[3], uvec.val[3], yyvec_bottom.val[3], vvec.val[3], out.ptr() + out_stride + 3 * element_size, alpha); |
| 591 | }, |
| 592 | in_y, in_u, in_v, out); |
| 593 | } |
| 594 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 595 | /** Convert YUYV to NV12. |
| 596 | * |
| 597 | * @param[in] input Input YUYV data buffer. |
| 598 | * @param[out] output Output NV12 buffer. |
| 599 | * @param[in] win Window for iterating the buffers. |
| 600 | * |
| 601 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 602 | template <bool yuyv> |
| 603 | void colorconvert_yuyv_to_nv12(const void *__restrict input, void *__restrict output, const Window &win) |
| 604 | { |
| 605 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 606 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 607 | win.validate(); |
| 608 | |
| 609 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 610 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 611 | |
| 612 | constexpr auto shift = yuyv ? 0 : 1; |
| 613 | |
| 614 | // NV12's UV's width and height are subsampled |
| 615 | Window win_uv(win); |
| 616 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 617 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 618 | win_uv.validate(); |
| 619 | |
| 620 | Iterator in(input_ptr, win); |
| 621 | Iterator out_y(output_ptr->plane(0), win); |
| 622 | Iterator out_uv(output_ptr->plane(1), win_uv); |
| 623 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 624 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 625 | { |
| 626 | const auto ta_top = vld4q_u8(in.ptr()); |
| 627 | const auto ta_bottom = vld4q_u8(in.ptr() + input_ptr->info()->strides_in_bytes().y()); |
| 628 | //ta.val[0] = Y0 Y2 Y4 Y6 ... |
| 629 | //ta.val[1] = U0 U2 U4 U6 ... |
| 630 | //ta.val[2] = Y1 Y3 Y5 Y7 ... |
| 631 | //ta.val[3] = V0 V2 V4 V7 ... |
| 632 | |
| 633 | uint8x16x2_t yvec; |
| 634 | yvec.val[0] = ta_top.val[0 + shift]; |
| 635 | yvec.val[1] = ta_top.val[2 + shift]; |
| 636 | vst2q_u8(out_y.ptr(), yvec); |
| 637 | |
| 638 | uint8x16x2_t yyvec; |
| 639 | yyvec.val[0] = ta_bottom.val[0 + shift]; |
| 640 | yyvec.val[1] = ta_bottom.val[2 + shift]; |
| 641 | vst2q_u8(out_y.ptr() + output_ptr->plane(0)->info()->strides_in_bytes().y(), yyvec); |
| 642 | |
| 643 | uint8x16x2_t uvvec; |
| 644 | uvvec.val[0] = vhaddq_u8(ta_top.val[1 - shift], ta_bottom.val[1 - shift]); |
| 645 | uvvec.val[1] = vhaddq_u8(ta_top.val[3 - shift], ta_bottom.val[3 - shift]); |
| 646 | vst2q_u8(out_uv.ptr(), uvvec); |
| 647 | }, |
| 648 | in, out_y, out_uv); |
| 649 | } |
| 650 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 651 | /** Convert IYUV to NV12. |
| 652 | * |
| 653 | * @param[in] input Input IYUV data buffer. |
| 654 | * @param[out] output Output NV12 buffer. |
| 655 | * @param[in] win Window for iterating the buffers. |
| 656 | * |
| 657 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 658 | void colorconvert_iyuv_to_nv12(const void *__restrict input, void *__restrict output, const Window &win) |
| 659 | { |
| 660 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 661 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 662 | win.validate(); |
| 663 | |
| 664 | const auto input_ptr = static_cast<const IMultiImage *__restrict>(input); |
| 665 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 666 | |
| 667 | // UV's width and height are subsampled |
| 668 | Window win_uv(win); |
| 669 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 670 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 671 | win_uv.validate(); |
| 672 | |
| 673 | Iterator in_y(input_ptr->plane(0), win); |
| 674 | Iterator in_u(input_ptr->plane(1), win_uv); |
| 675 | Iterator in_v(input_ptr->plane(2), win_uv); |
| 676 | Iterator out_y(output_ptr->plane(0), win); |
| 677 | Iterator out_uv(output_ptr->plane(1), win_uv); |
| 678 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 679 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 680 | { |
| 681 | const auto ta_y_top = vld2q_u8(in_y.ptr()); |
| 682 | const auto ta_y_bottom = vld2q_u8(in_y.ptr() + input_ptr->plane(0)->info()->strides_in_bytes().y()); |
| 683 | uint8x16x2_t ta_uv; |
| 684 | ta_uv.val[0] = vld1q_u8(in_u.ptr()); |
| 685 | ta_uv.val[1] = vld1q_u8(in_v.ptr()); |
| 686 | //ta_y.val[0] = Y0 Y2 Y4 Y6 ... |
| 687 | //ta_y.val[1] = Y1 Y3 Y5 Y7 ... |
| 688 | //ta_uv.val[0] = U0 U2 U4 U6 ... |
| 689 | //ta_uv.val[1] = V0 V2 V4 V6 ... |
| 690 | |
| 691 | vst2q_u8(out_y.ptr(), ta_y_top); |
| 692 | vst2q_u8(out_y.ptr() + output_ptr->plane(0)->info()->strides_in_bytes().y(), ta_y_bottom); |
| 693 | vst2q_u8(out_uv.ptr(), ta_uv); |
| 694 | }, |
| 695 | in_y, in_u, in_v, out_y, out_uv); |
| 696 | } |
| 697 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 698 | /** Convert NV12 to IYUV. |
| 699 | * |
| 700 | * @param[in] input Input NV12 data buffer. |
| 701 | * @param[out] output Output IYUV buffer. |
| 702 | * @param[in] win Window for iterating the buffers. |
| 703 | * |
| 704 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 705 | template <bool uv> |
| 706 | void colorconvert_nv12_to_iyuv(const void *__restrict input, void *__restrict output, const Window &win) |
| 707 | { |
| 708 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 709 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 710 | win.validate(); |
| 711 | |
| 712 | const auto input_ptr = static_cast<const IMultiImage *__restrict>(input); |
| 713 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 714 | |
| 715 | constexpr auto shift = uv ? 0 : 1; |
| 716 | |
| 717 | // UV's width and height are subsampled |
| 718 | Window win_uv(win); |
| 719 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 720 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 721 | win_uv.validate(); |
| 722 | |
| 723 | Iterator in_y(input_ptr->plane(0), win); |
| 724 | Iterator in_uv(input_ptr->plane(1), win_uv); |
| 725 | Iterator out_y(output_ptr->plane(0), win); |
| 726 | Iterator out_u(output_ptr->plane(1), win_uv); |
| 727 | Iterator out_v(output_ptr->plane(2), win_uv); |
| 728 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 729 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 730 | { |
| 731 | const auto ta_y_top = vld2q_u8(in_y.ptr()); |
| 732 | const auto ta_y_bottom = vld2q_u8(in_y.ptr() + input_ptr->plane(0)->info()->strides_in_bytes().y()); |
| 733 | const auto ta_uv = vld2q_u8(in_uv.ptr()); |
| 734 | //ta_y.val[0] = Y0 Y2 Y4 Y6 ... |
| 735 | //ta_y.val[1] = Y1 Y3 Y5 Y7 ... |
| 736 | //ta_uv.val[0] = U0 U2 U4 U6 ... |
| 737 | //ta_uv.val[1] = V0 V2 V4 V6 ... |
| 738 | |
| 739 | vst2q_u8(out_y.ptr(), ta_y_top); |
| 740 | vst2q_u8(out_y.ptr() + output_ptr->plane(0)->info()->strides_in_bytes().y(), ta_y_bottom); |
| 741 | vst1q_u8(out_u.ptr(), ta_uv.val[0 + shift]); |
| 742 | vst1q_u8(out_v.ptr(), ta_uv.val[1 - shift]); |
| 743 | }, |
| 744 | in_y, in_uv, out_y, out_u, out_v); |
| 745 | } |
| 746 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 747 | /** Convert YUYV to IYUV. |
| 748 | * |
| 749 | * @param[in] input Input YUYV data buffer. |
| 750 | * @param[out] output Output IYUV buffer. |
| 751 | * @param[in] win Window for iterating the buffers. |
| 752 | * |
| 753 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 754 | template <bool yuyv> |
| 755 | void colorconvert_yuyv_to_iyuv(const void *__restrict input, void *__restrict output, const Window &win) |
| 756 | { |
| 757 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 758 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 759 | win.validate(); |
| 760 | |
| 761 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 762 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 763 | |
| 764 | constexpr auto shift = yuyv ? 0 : 1; |
| 765 | |
| 766 | // Destination's UV's width and height are subsampled |
| 767 | Window win_uv(win); |
| 768 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 769 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 770 | win_uv.validate(); |
| 771 | |
| 772 | Iterator in(input_ptr, win); |
| 773 | Iterator out_y(output_ptr->plane(0), win); |
| 774 | Iterator out_u(output_ptr->plane(1), win_uv); |
| 775 | Iterator out_v(output_ptr->plane(2), win_uv); |
| 776 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 777 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 778 | { |
| 779 | const auto ta_top = vld4q_u8(in.ptr()); |
| 780 | const auto ta_bottom = vld4q_u8(in.ptr() + input_ptr->info()->strides_in_bytes().y()); |
| 781 | //ta.val[0] = Y0 Y2 Y4 Y6 ... |
| 782 | //ta.val[1] = U0 U2 U4 U6 ... |
| 783 | //ta.val[2] = Y1 Y3 Y5 Y7 ... |
| 784 | //ta.val[3] = V0 V2 V4 V7 ... |
| 785 | |
| 786 | uint8x16x2_t yvec; |
| 787 | yvec.val[0] = ta_top.val[0 + shift]; |
| 788 | yvec.val[1] = ta_top.val[2 + shift]; |
| 789 | vst2q_u8(out_y.ptr(), yvec); |
| 790 | |
| 791 | uint8x16x2_t yyvec; |
| 792 | yyvec.val[0] = ta_bottom.val[0 + shift]; |
| 793 | yyvec.val[1] = ta_bottom.val[2 + shift]; |
| 794 | vst2q_u8(out_y.ptr() + output_ptr->plane(0)->info()->strides_in_bytes().y(), yyvec); |
| 795 | |
| 796 | uint8x16_t uvec; |
| 797 | uvec = vhaddq_u8(ta_top.val[1 - shift], ta_bottom.val[1 - shift]); |
| 798 | vst1q_u8(out_u.ptr(), uvec); |
| 799 | |
| 800 | uint8x16_t vvec; |
| 801 | vvec = vhaddq_u8(ta_top.val[3 - shift], ta_bottom.val[3 - shift]); |
| 802 | vst1q_u8(out_v.ptr(), vvec); |
| 803 | }, |
| 804 | in, out_y, out_u, out_v); |
| 805 | } |
| 806 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 807 | /** Convert NV12 to YUV4. |
| 808 | * |
| 809 | * @param[in] input Input NV12 data buffer. |
| 810 | * @param[out] output Output YUV4 buffer. |
| 811 | * @param[in] win Window for iterating the buffers. |
| 812 | * |
| 813 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 814 | template <bool uv> |
| 815 | void colorconvert_nv12_to_yuv4(const void *__restrict input, void *__restrict output, const Window &win) |
| 816 | { |
| 817 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 818 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 819 | win.validate(); |
| 820 | |
| 821 | const auto input_ptr = static_cast<const IMultiImage *__restrict>(input); |
| 822 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 823 | |
| 824 | constexpr auto shift = uv ? 0 : 1; |
| 825 | |
| 826 | // UV's width and height are subsampled |
| 827 | Window win_uv(win); |
| 828 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 829 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 830 | win_uv.validate(); |
| 831 | |
| 832 | Iterator in_y(input_ptr->plane(0), win); |
| 833 | Iterator in_uv(input_ptr->plane(1), win_uv); |
| 834 | Iterator out_y(output_ptr->plane(0), win); |
| 835 | Iterator out_u(output_ptr->plane(1), win); |
| 836 | Iterator out_v(output_ptr->plane(2), win); |
| 837 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 838 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 839 | { |
| 840 | const auto ta_y_top = vld2q_u8(in_y.ptr()); |
| 841 | const auto ta_y_bottom = vld2q_u8(in_y.ptr() + input_ptr->plane(0)->info()->strides_in_bytes().y()); |
| 842 | const auto ta_uv = vld2q_u8(in_uv.ptr()); |
| 843 | //ta_y.val[0] = Y0 Y2 Y4 Y6 ... |
| 844 | //ta_y.val[1] = Y1 Y3 Y5 Y7 ... |
| 845 | //ta_uv.val[0] = U0 U2 U4 U6 ... |
| 846 | //ta_uv.val[1] = V0 V2 V4 V6 ... |
| 847 | |
| 848 | vst2q_u8(out_y.ptr(), ta_y_top); |
| 849 | vst2q_u8(out_y.ptr() + output_ptr->plane(0)->info()->strides_in_bytes().y(), ta_y_bottom); |
| 850 | |
| 851 | uint8x16x2_t uvec; |
| 852 | uvec.val[0] = ta_uv.val[0 + shift]; |
| 853 | uvec.val[1] = ta_uv.val[0 + shift]; |
| 854 | vst2q_u8(out_u.ptr(), uvec); |
| 855 | vst2q_u8(out_u.ptr() + output_ptr->plane(1)->info()->strides_in_bytes().y(), uvec); |
| 856 | |
| 857 | uint8x16x2_t vvec; |
| 858 | vvec.val[0] = ta_uv.val[1 - shift]; |
| 859 | vvec.val[1] = ta_uv.val[1 - shift]; |
| 860 | vst2q_u8(out_v.ptr(), vvec); |
| 861 | vst2q_u8(out_v.ptr() + output_ptr->plane(2)->info()->strides_in_bytes().y(), vvec); |
| 862 | }, |
| 863 | in_y, in_uv, out_y, out_u, out_v); |
| 864 | } |
| 865 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 866 | /** Convert IYUV to YUV4. |
| 867 | * |
| 868 | * @param[in] input Input IYUV data buffer. |
| 869 | * @param[out] output Output YUV4 buffer. |
| 870 | * @param[in] win Window for iterating the buffers. |
| 871 | * |
| 872 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 873 | void colorconvert_iyuv_to_yuv4(const void *__restrict input, void *__restrict output, const Window &win) |
| 874 | { |
| 875 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 876 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 877 | win.validate(); |
| 878 | |
| 879 | const auto input_ptr = static_cast<const IMultiImage *__restrict>(input); |
| 880 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 881 | |
| 882 | // UV's width and height are subsampled |
| 883 | Window win_uv(win); |
| 884 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 885 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 886 | win_uv.validate(); |
| 887 | |
| 888 | Iterator in_y(input_ptr->plane(0), win); |
| 889 | Iterator in_u(input_ptr->plane(1), win_uv); |
| 890 | Iterator in_v(input_ptr->plane(2), win_uv); |
| 891 | Iterator out_y(output_ptr->plane(0), win); |
| 892 | Iterator out_u(output_ptr->plane(1), win); |
| 893 | Iterator out_v(output_ptr->plane(2), win); |
| 894 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 895 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 896 | { |
| 897 | const auto ta_y_top = vld2q_u8(in_y.ptr()); |
| 898 | const auto ta_y_bottom = vld2q_u8(in_y.ptr() + input_ptr->plane(0)->info()->strides_in_bytes().y()); |
| 899 | const auto ta_u = vld1q_u8(in_u.ptr()); |
| 900 | const auto ta_v = vld1q_u8(in_v.ptr()); |
| 901 | //ta_y.val[0] = Y0 Y2 Y4 Y6 ... |
| 902 | //ta_y.val[1] = Y1 Y3 Y5 Y7 ... |
| 903 | //ta_u = U0 U2 U4 U6 ... |
| 904 | //ta_v = V0 V2 V4 V6 ... |
| 905 | |
| 906 | vst2q_u8(out_y.ptr(), ta_y_top); |
| 907 | vst2q_u8(out_y.ptr() + output_ptr->plane(0)->info()->strides_in_bytes().y(), ta_y_bottom); |
| 908 | |
| 909 | uint8x16x2_t uvec; |
| 910 | uvec.val[0] = ta_u; |
| 911 | uvec.val[1] = ta_u; |
| 912 | vst2q_u8(out_u.ptr(), uvec); |
| 913 | vst2q_u8(out_u.ptr() + output_ptr->plane(1)->info()->strides_in_bytes().y(), uvec); |
| 914 | |
| 915 | uint8x16x2_t vvec; |
| 916 | vvec.val[0] = ta_v; |
| 917 | vvec.val[1] = ta_v; |
| 918 | vst2q_u8(out_v.ptr(), vvec); |
| 919 | vst2q_u8(out_v.ptr() + output_ptr->plane(2)->info()->strides_in_bytes().y(), vvec); |
| 920 | }, |
| 921 | in_y, in_u, in_v, out_y, out_u, out_v); |
| 922 | } |
| 923 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 924 | /** Convert RGB to NV12. |
| 925 | * |
| 926 | * @param[in] input Input RGB data buffer. |
| 927 | * @param[out] output Output NV12 buffer. |
| 928 | * @param[in] win Window for iterating the buffers. |
| 929 | * |
| 930 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 931 | template <bool alpha> |
| 932 | void colorconvert_rgb_to_nv12(const void *__restrict input, void *__restrict output, const Window &win) |
| 933 | { |
| 934 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 935 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 936 | win.validate(); |
| 937 | |
| 938 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 939 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 940 | |
| 941 | // UV's width and height are subsampled |
| 942 | Window win_uv(win); |
| 943 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 944 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 945 | win_uv.validate(); |
| 946 | |
| 947 | Iterator in(input_ptr, win); |
| 948 | Iterator out_y(output_ptr->plane(0), win); |
| 949 | Iterator out_uv(output_ptr->plane(1), win_uv); |
| 950 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 951 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 952 | { |
| 953 | const auto ta_rgb_top = load_rgb(in.ptr(), alpha); |
| 954 | const auto ta_rgb_bottom = load_rgb(in.ptr() + input_ptr->info()->strides_in_bytes().y(), alpha); |
| 955 | //ta_rgb.val[0] = R0 R1 R2 R3 ... |
| 956 | //ta_rgb.val[1] = G0 G1 G2 G3 ... |
| 957 | //ta_rgb.val[2] = B0 B1 B2 B3 ... |
| 958 | |
| 959 | store_rgb_to_nv12(ta_rgb_top.val[0], ta_rgb_top.val[1], ta_rgb_top.val[2], |
| 960 | ta_rgb_bottom.val[0], ta_rgb_bottom.val[1], ta_rgb_bottom.val[2], |
| 961 | out_y.ptr(), out_y.ptr() + output_ptr->plane(0)->info()->strides_in_bytes().y(), |
| 962 | out_uv.ptr()); |
| 963 | }, |
| 964 | in, out_y, out_uv); |
| 965 | } |
| 966 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 967 | /** Convert RGB to IYUV. |
| 968 | * |
| 969 | * @param[in] input Input RGB data buffer. |
| 970 | * @param[out] output Output IYUV buffer. |
| 971 | * @param[in] win Window for iterating the buffers. |
| 972 | * |
| 973 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 974 | template <bool alpha> |
| 975 | void colorconvert_rgb_to_iyuv(const void *__restrict input, void *__restrict output, const Window &win) |
| 976 | { |
| 977 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 978 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 979 | win.validate(); |
| 980 | |
| 981 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 982 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 983 | |
| 984 | // UV's width and height are subsampled |
| 985 | Window win_uv(win); |
| 986 | win_uv.set(Window::DimX, Window::Dimension(win_uv.x().start() / 2, win_uv.x().end() / 2, win_uv.x().step() / 2)); |
| 987 | win_uv.set(Window::DimY, Window::Dimension(win_uv.y().start() / 2, win_uv.y().end() / 2, 1)); |
| 988 | win_uv.validate(); |
| 989 | |
| 990 | Iterator in(input_ptr, win); |
| 991 | Iterator out_y(output_ptr->plane(0), win); |
| 992 | Iterator out_u(output_ptr->plane(1), win_uv); |
| 993 | Iterator out_v(output_ptr->plane(2), win_uv); |
| 994 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 995 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 996 | { |
| 997 | const auto ta_rgb_top = load_rgb(in.ptr(), alpha); |
| 998 | const auto ta_rgb_bottom = load_rgb(in.ptr() + input_ptr->info()->strides_in_bytes().y(), alpha); |
| 999 | //ta_rgb.val[0] = R0 R1 R2 R3 ... |
| 1000 | //ta_rgb.val[1] = G0 G1 G2 G3 ... |
| 1001 | //ta_rgb.val[2] = B0 B1 B2 B3 ... |
| 1002 | |
| 1003 | store_rgb_to_iyuv(ta_rgb_top.val[0], ta_rgb_top.val[1], ta_rgb_top.val[2], |
| 1004 | ta_rgb_bottom.val[0], ta_rgb_bottom.val[1], ta_rgb_bottom.val[2], |
| 1005 | out_y.ptr(), out_y.ptr() + output_ptr->plane(0)->info()->strides_in_bytes().y(), |
| 1006 | out_u.ptr(), out_v.ptr()); |
| 1007 | }, |
| 1008 | in, out_y, out_u, out_v); |
| 1009 | } |
| 1010 | |
Alex Gilday | c357c47 | 2018-03-21 13:54:09 +0000 | [diff] [blame] | 1011 | /** Convert RGB to YUV4. |
| 1012 | * |
| 1013 | * @param[in] input Input RGB data buffer. |
| 1014 | * @param[out] output Output YUV4 buffer. |
| 1015 | * @param[in] win Window for iterating the buffers. |
| 1016 | * |
| 1017 | */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1018 | template <bool alpha> |
| 1019 | void colorconvert_rgb_to_yuv4(const void *__restrict input, void *__restrict output, const Window &win) |
| 1020 | { |
| 1021 | ARM_COMPUTE_ERROR_ON(nullptr == input); |
| 1022 | ARM_COMPUTE_ERROR_ON(nullptr == output); |
| 1023 | win.validate(); |
| 1024 | |
| 1025 | const auto input_ptr = static_cast<const IImage *__restrict>(input); |
| 1026 | const auto output_ptr = static_cast<IMultiImage *__restrict>(output); |
| 1027 | |
| 1028 | Iterator in(input_ptr, win); |
| 1029 | Iterator out_y(output_ptr->plane(0), win); |
| 1030 | Iterator out_u(output_ptr->plane(1), win); |
| 1031 | Iterator out_v(output_ptr->plane(2), win); |
| 1032 | |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 1033 | execute_window_loop(win, [&](const Coordinates &) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1034 | { |
| 1035 | const auto ta_rgb = load_rgb(in.ptr(), alpha); |
| 1036 | //ta_rgb.val[0] = R0 R1 R2 R3 ... |
| 1037 | //ta_rgb.val[1] = G0 G1 G2 G3 ... |
| 1038 | //ta_rgb.val[2] = B0 B1 B2 B3 ... |
| 1039 | |
| 1040 | store_rgb_to_yuv4(ta_rgb.val[0], ta_rgb.val[1], ta_rgb.val[2], |
| 1041 | out_y.ptr(), out_u.ptr(), out_v.ptr()); |
| 1042 | }, |
| 1043 | in, out_y, out_u, out_v); |
| 1044 | } |
Gian Marco Iodice | 356f643 | 2017-09-22 11:32:21 +0100 | [diff] [blame] | 1045 | } // namespace arm_compute |