1 /* 2 * xcam_buffer.cpp - video buffer standard version 3 * 4 * Copyright (c) 2016 Intel Corporation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 * Author: Wind Yuan <feng.yuan (at) intel.com> 19 */ 20 21 #include <base/xcam_buffer.h> 22 23 XCamReturn 24 xcam_video_buffer_info_reset ( 25 XCamVideoBufferInfo *info, 26 uint32_t format, 27 uint32_t width, uint32_t height, 28 uint32_t aligned_width, uint32_t aligned_height, uint32_t size) 29 { 30 uint32_t image_size = 0; 31 uint32_t i = 0; 32 33 XCAM_ASSERT (info && format); 34 XCAM_ASSERT (!aligned_width || aligned_width >= width); 35 XCAM_ASSERT (!aligned_height || aligned_height >= height); 36 37 if (!aligned_width) 38 aligned_width = XCAM_ALIGN_UP (width, 4); 39 if (!aligned_height) 40 aligned_height = XCAM_ALIGN_UP (height, 2); 41 42 info->format = format; 43 info->width = width; 44 info->height = height; 45 info->aligned_width = aligned_width; 46 info->aligned_height = aligned_height; 47 48 switch (format) { 49 case V4L2_PIX_FMT_GREY: 50 info->color_bits = 8; 51 info->components = 1; 52 info->strides [0] = aligned_width; 53 info->offsets [0] = 0; 54 image_size = info->strides [0] * aligned_height; 55 break; 56 case V4L2_PIX_FMT_NV12: 57 info->color_bits = 8; 58 info->components = 2; 59 info->strides [0] = aligned_width; 60 info->strides [1] = info->strides [0]; 61 info->offsets [0] = 0; 62 info->offsets [1] = info->offsets [0] + info->strides [0] * aligned_height; 63 image_size = info->strides [0] * aligned_height + info->strides [1] * aligned_height / 2; 64 break; 65 case V4L2_PIX_FMT_YUYV: 66 info->color_bits = 8; 67 info->components = 1; 68 info->strides [0] = aligned_width * 2; 69 info->offsets [0] = 0; 70 image_size = info->strides [0] * aligned_height; 71 break; 72 case V4L2_PIX_FMT_RGB565: 73 info->color_bits = 16; 74 info->components = 1; 75 info->strides [0] = aligned_width * 2; 76 info->offsets [0] = 0; 77 image_size = info->strides [0] * aligned_height; 78 break; 79 case V4L2_PIX_FMT_RGB24: 80 info->color_bits = 8; 81 info->components = 1; 82 info->strides [0] = aligned_width * 3; 83 info->offsets [0] = 0; 84 image_size = info->strides [0] * aligned_height; 85 break; 86 // memory order RGBA 8-8-8-8 87 case V4L2_PIX_FMT_RGBA32: 88 // memory order: BGRA 8-8-8-8 89 case V4L2_PIX_FMT_XBGR32: 90 case V4L2_PIX_FMT_ABGR32: 91 case V4L2_PIX_FMT_BGR32: 92 // memory order: ARGB 8-8-8-8 93 case V4L2_PIX_FMT_RGB32: 94 case V4L2_PIX_FMT_ARGB32: 95 case V4L2_PIX_FMT_XRGB32: 96 info->color_bits = 8; 97 info->components = 1; 98 info->strides [0] = aligned_width * 4; 99 info->offsets [0] = 0; 100 image_size = info->strides [0] * aligned_height; 101 break; 102 case XCAM_PIX_FMT_RGB48: 103 info->color_bits = 16; 104 info->components = 1; 105 info->strides [0] = aligned_width * 3 * 2; 106 info->offsets [0] = 0; 107 image_size = info->strides [0] * aligned_height; 108 break; 109 case XCAM_PIX_FMT_RGBA64: 110 info->color_bits = 16; 111 info->components = 1; 112 info->strides [0] = aligned_width * 4 * 2; 113 info->offsets [0] = 0; 114 image_size = info->strides [0] * aligned_height; 115 break; 116 117 case V4L2_PIX_FMT_SBGGR8: 118 case V4L2_PIX_FMT_SGBRG8: 119 case V4L2_PIX_FMT_SGRBG8: 120 case V4L2_PIX_FMT_SRGGB8: 121 info->color_bits = 8; 122 info->components = 1; 123 info->strides [0] = aligned_width; 124 info->offsets [0] = 0; 125 image_size = info->strides [0] * aligned_height; 126 break; 127 128 case V4L2_PIX_FMT_SBGGR10: 129 case V4L2_PIX_FMT_SGBRG10: 130 case V4L2_PIX_FMT_SGRBG10: 131 case V4L2_PIX_FMT_SRGGB10: 132 info->color_bits = 10; 133 info->components = 1; 134 info->strides [0] = aligned_width * 2; 135 info->offsets [0] = 0; 136 image_size = info->strides [0] * aligned_height; 137 break; 138 139 case V4L2_PIX_FMT_SBGGR12: 140 case V4L2_PIX_FMT_SGBRG12: 141 case V4L2_PIX_FMT_SGRBG12: 142 case V4L2_PIX_FMT_SRGGB12: 143 info->color_bits = 12; 144 info->components = 1; 145 info->strides [0] = aligned_width * 2; 146 info->offsets [0] = 0; 147 image_size = info->strides [0] * aligned_height; 148 break; 149 150 case V4L2_PIX_FMT_SBGGR16: 151 case XCAM_PIX_FMT_SGRBG16: 152 info->color_bits = 16; 153 info->components = 1; 154 info->strides [0] = aligned_width * 2; 155 info->offsets [0] = 0; 156 image_size = info->strides [0] * aligned_height; 157 break; 158 159 case XCAM_PIX_FMT_LAB: 160 info->color_bits = 8; 161 info->components = 1; 162 info->strides [0] = aligned_width * 3; 163 info->offsets [0] = 0; 164 image_size = info->strides [0] * aligned_height; 165 break; 166 167 case XCAM_PIX_FMT_RGB48_planar: 168 case XCAM_PIX_FMT_RGB24_planar: 169 if (XCAM_PIX_FMT_RGB48_planar == format) 170 info->color_bits = 16; 171 else 172 info->color_bits = 8; 173 info->components = 3; 174 info->strides [0] = info->strides [1] = info->strides [2] = aligned_width * (info->color_bits / 8); 175 info->offsets [0] = 0; 176 info->offsets [1] = info->offsets [0] + info->strides [0] * aligned_height; 177 info->offsets [2] = info->offsets [1] + info->strides [1] * aligned_height; 178 image_size = info->offsets [2] + info->strides [2] * aligned_height; 179 break; 180 181 case XCAM_PIX_FMT_SGRBG16_planar: 182 case XCAM_PIX_FMT_SGRBG8_planar: 183 if (XCAM_PIX_FMT_SGRBG16_planar == format) 184 info->color_bits = 16; 185 else 186 info->color_bits = 8; 187 info->components = 4; 188 for (i = 0; i < info->components; ++i) { 189 info->strides [i] = aligned_width * (info->color_bits / 8); 190 } 191 info->offsets [0] = 0; 192 for (i = 1; i < info->components; ++i) { 193 info->offsets [i] = info->offsets [i - 1] + info->strides [i - 1] * aligned_height; 194 } 195 image_size = info->offsets [info->components - 1] + info->strides [info->components - 1] * aligned_height; 196 break; 197 198 default: 199 XCAM_LOG_WARNING ("XCamVideoBufferInfo reset failed, unsupported format:%s", xcam_fourcc_to_string (format)); 200 return XCAM_RETURN_ERROR_PARAM; 201 } 202 203 if (!size) 204 info->size = image_size; 205 else { 206 XCAM_ASSERT (size >= image_size); 207 info->size = size; 208 } 209 210 return XCAM_RETURN_NO_ERROR; 211 } 212 213 XCamReturn 214 xcam_video_buffer_get_planar_info ( 215 const XCamVideoBufferInfo *buf_info, XCamVideoBufferPlanarInfo *planar_info, const uint32_t index) 216 { 217 XCAM_ASSERT (buf_info); 218 XCAM_ASSERT (planar_info); 219 220 planar_info->width = buf_info->width; 221 planar_info->height = buf_info->height; 222 planar_info->pixel_bytes = XCAM_ALIGN_UP (buf_info->color_bits, 8) / 8; 223 224 switch (buf_info->format) { 225 case V4L2_PIX_FMT_NV12: 226 XCAM_ASSERT (index <= 1); 227 if (index == 1) { 228 planar_info->height = buf_info->height / 2; 229 } 230 break; 231 232 case V4L2_PIX_FMT_GREY: 233 case V4L2_PIX_FMT_YUYV: 234 case V4L2_PIX_FMT_RGB565: 235 case V4L2_PIX_FMT_SBGGR8: 236 case V4L2_PIX_FMT_SGBRG8: 237 case V4L2_PIX_FMT_SGRBG8: 238 case V4L2_PIX_FMT_SRGGB8: 239 case V4L2_PIX_FMT_SBGGR10: 240 case V4L2_PIX_FMT_SGBRG10: 241 case V4L2_PIX_FMT_SGRBG10: 242 case V4L2_PIX_FMT_SRGGB10: 243 case V4L2_PIX_FMT_SBGGR12: 244 case V4L2_PIX_FMT_SGBRG12: 245 case V4L2_PIX_FMT_SGRBG12: 246 case V4L2_PIX_FMT_SRGGB12: 247 case V4L2_PIX_FMT_SBGGR16: 248 case XCAM_PIX_FMT_SGRBG16: 249 XCAM_ASSERT (index <= 0); 250 break; 251 252 case V4L2_PIX_FMT_RGB24: 253 XCAM_ASSERT (index <= 0); 254 planar_info->pixel_bytes = 3; 255 break; 256 257 case V4L2_PIX_FMT_RGBA32: 258 case V4L2_PIX_FMT_XBGR32: 259 case V4L2_PIX_FMT_ABGR32: 260 case V4L2_PIX_FMT_BGR32: 261 case V4L2_PIX_FMT_RGB32: 262 case V4L2_PIX_FMT_ARGB32: 263 case V4L2_PIX_FMT_XRGB32: 264 XCAM_ASSERT (index <= 0); 265 planar_info->pixel_bytes = 4; 266 break; 267 268 case XCAM_PIX_FMT_RGB48: 269 XCAM_ASSERT (index <= 0); 270 planar_info->pixel_bytes = 3 * 2; 271 break; 272 273 case XCAM_PIX_FMT_RGBA64: 274 planar_info->pixel_bytes = 4 * 2; 275 break; 276 277 case XCAM_PIX_FMT_LAB: 278 planar_info->pixel_bytes = 3; 279 break; 280 281 case XCAM_PIX_FMT_RGB48_planar: 282 case XCAM_PIX_FMT_RGB24_planar: 283 XCAM_ASSERT (index <= 2); 284 break; 285 286 case XCAM_PIX_FMT_SGRBG16_planar: 287 case XCAM_PIX_FMT_SGRBG8_planar: 288 XCAM_ASSERT (index <= 3); 289 break; 290 291 default: 292 XCAM_LOG_WARNING ("VideoBufferInfo get_planar_info failed, unsupported format:%s", xcam_fourcc_to_string (buf_info->format)); 293 return XCAM_RETURN_ERROR_PARAM; 294 } 295 296 return XCAM_RETURN_NO_ERROR; 297 } 298
