1 /* 2 * Copyright 2011 The LibYuv 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 #ifndef INCLUDE_LIBYUV_CONVERT_H_ // NOLINT 12 #define INCLUDE_LIBYUV_CONVERT_H_ 13 14 #include "libyuv/basic_types.h" 15 // TODO(fbarchard): Remove the following headers includes. 16 #include "libyuv/convert_from.h" 17 #include "libyuv/planar_functions.h" 18 #include "libyuv/rotate.h" 19 20 #ifdef __cplusplus 21 namespace libyuv { 22 extern "C" { 23 #endif 24 25 // Convert I444 to I420. 26 LIBYUV_API 27 int I444ToI420(const uint8* src_y, int src_stride_y, 28 const uint8* src_u, int src_stride_u, 29 const uint8* src_v, int src_stride_v, 30 uint8* dst_y, int dst_stride_y, 31 uint8* dst_u, int dst_stride_u, 32 uint8* dst_v, int dst_stride_v, 33 int width, int height); 34 35 // Convert I422 to I420. 36 LIBYUV_API 37 int I422ToI420(const uint8* src_y, int src_stride_y, 38 const uint8* src_u, int src_stride_u, 39 const uint8* src_v, int src_stride_v, 40 uint8* dst_y, int dst_stride_y, 41 uint8* dst_u, int dst_stride_u, 42 uint8* dst_v, int dst_stride_v, 43 int width, int height); 44 45 // Convert I411 to I420. 46 LIBYUV_API 47 int I411ToI420(const uint8* src_y, int src_stride_y, 48 const uint8* src_u, int src_stride_u, 49 const uint8* src_v, int src_stride_v, 50 uint8* dst_y, int dst_stride_y, 51 uint8* dst_u, int dst_stride_u, 52 uint8* dst_v, int dst_stride_v, 53 int width, int height); 54 55 // Copy I420 to I420. 56 #define I420ToI420 I420Copy 57 LIBYUV_API 58 int I420Copy(const uint8* src_y, int src_stride_y, 59 const uint8* src_u, int src_stride_u, 60 const uint8* src_v, int src_stride_v, 61 uint8* dst_y, int dst_stride_y, 62 uint8* dst_u, int dst_stride_u, 63 uint8* dst_v, int dst_stride_v, 64 int width, int height); 65 66 // Convert I400 (grey) to I420. 67 LIBYUV_API 68 int I400ToI420(const uint8* src_y, int src_stride_y, 69 uint8* dst_y, int dst_stride_y, 70 uint8* dst_u, int dst_stride_u, 71 uint8* dst_v, int dst_stride_v, 72 int width, int height); 73 74 #define J400ToJ420 I400ToI420 75 76 // Convert NV12 to I420. 77 LIBYUV_API 78 int NV12ToI420(const uint8* src_y, int src_stride_y, 79 const uint8* src_uv, int src_stride_uv, 80 uint8* dst_y, int dst_stride_y, 81 uint8* dst_u, int dst_stride_u, 82 uint8* dst_v, int dst_stride_v, 83 int width, int height); 84 85 // Convert NV21 to I420. 86 LIBYUV_API 87 int NV21ToI420(const uint8* src_y, int src_stride_y, 88 const uint8* src_vu, int src_stride_vu, 89 uint8* dst_y, int dst_stride_y, 90 uint8* dst_u, int dst_stride_u, 91 uint8* dst_v, int dst_stride_v, 92 int width, int height); 93 94 // Convert YUY2 to I420. 95 LIBYUV_API 96 int YUY2ToI420(const uint8* src_yuy2, int src_stride_yuy2, 97 uint8* dst_y, int dst_stride_y, 98 uint8* dst_u, int dst_stride_u, 99 uint8* dst_v, int dst_stride_v, 100 int width, int height); 101 102 // Convert UYVY to I420. 103 LIBYUV_API 104 int UYVYToI420(const uint8* src_uyvy, int src_stride_uyvy, 105 uint8* dst_y, int dst_stride_y, 106 uint8* dst_u, int dst_stride_u, 107 uint8* dst_v, int dst_stride_v, 108 int width, int height); 109 110 // Convert M420 to I420. 111 LIBYUV_API 112 int M420ToI420(const uint8* src_m420, int src_stride_m420, 113 uint8* dst_y, int dst_stride_y, 114 uint8* dst_u, int dst_stride_u, 115 uint8* dst_v, int dst_stride_v, 116 int width, int height); 117 118 // ARGB little endian (bgra in memory) to I420. 119 LIBYUV_API 120 int ARGBToI420(const uint8* src_frame, int src_stride_frame, 121 uint8* dst_y, int dst_stride_y, 122 uint8* dst_u, int dst_stride_u, 123 uint8* dst_v, int dst_stride_v, 124 int width, int height); 125 126 // BGRA little endian (argb in memory) to I420. 127 LIBYUV_API 128 int BGRAToI420(const uint8* src_frame, int src_stride_frame, 129 uint8* dst_y, int dst_stride_y, 130 uint8* dst_u, int dst_stride_u, 131 uint8* dst_v, int dst_stride_v, 132 int width, int height); 133 134 // ABGR little endian (rgba in memory) to I420. 135 LIBYUV_API 136 int ABGRToI420(const uint8* src_frame, int src_stride_frame, 137 uint8* dst_y, int dst_stride_y, 138 uint8* dst_u, int dst_stride_u, 139 uint8* dst_v, int dst_stride_v, 140 int width, int height); 141 142 // RGBA little endian (abgr in memory) to I420. 143 LIBYUV_API 144 int RGBAToI420(const uint8* src_frame, int src_stride_frame, 145 uint8* dst_y, int dst_stride_y, 146 uint8* dst_u, int dst_stride_u, 147 uint8* dst_v, int dst_stride_v, 148 int width, int height); 149 150 // RGB little endian (bgr in memory) to I420. 151 LIBYUV_API 152 int RGB24ToI420(const uint8* src_frame, int src_stride_frame, 153 uint8* dst_y, int dst_stride_y, 154 uint8* dst_u, int dst_stride_u, 155 uint8* dst_v, int dst_stride_v, 156 int width, int height); 157 158 // RGB big endian (rgb in memory) to I420. 159 LIBYUV_API 160 int RAWToI420(const uint8* src_frame, int src_stride_frame, 161 uint8* dst_y, int dst_stride_y, 162 uint8* dst_u, int dst_stride_u, 163 uint8* dst_v, int dst_stride_v, 164 int width, int height); 165 166 // RGB16 (RGBP fourcc) little endian to I420. 167 LIBYUV_API 168 int RGB565ToI420(const uint8* src_frame, int src_stride_frame, 169 uint8* dst_y, int dst_stride_y, 170 uint8* dst_u, int dst_stride_u, 171 uint8* dst_v, int dst_stride_v, 172 int width, int height); 173 174 // RGB15 (RGBO fourcc) little endian to I420. 175 LIBYUV_API 176 int ARGB1555ToI420(const uint8* src_frame, int src_stride_frame, 177 uint8* dst_y, int dst_stride_y, 178 uint8* dst_u, int dst_stride_u, 179 uint8* dst_v, int dst_stride_v, 180 int width, int height); 181 182 // RGB12 (R444 fourcc) little endian to I420. 183 LIBYUV_API 184 int ARGB4444ToI420(const uint8* src_frame, int src_stride_frame, 185 uint8* dst_y, int dst_stride_y, 186 uint8* dst_u, int dst_stride_u, 187 uint8* dst_v, int dst_stride_v, 188 int width, int height); 189 190 #ifdef HAVE_JPEG 191 // src_width/height provided by capture. 192 // dst_width/height for clipping determine final size. 193 LIBYUV_API 194 int MJPGToI420(const uint8* sample, size_t sample_size, 195 uint8* dst_y, int dst_stride_y, 196 uint8* dst_u, int dst_stride_u, 197 uint8* dst_v, int dst_stride_v, 198 int src_width, int src_height, 199 int dst_width, int dst_height); 200 201 // Query size of MJPG in pixels. 202 LIBYUV_API 203 int MJPGSize(const uint8* sample, size_t sample_size, 204 int* width, int* height); 205 #endif 206 207 // Convert camera sample to I420 with cropping, rotation and vertical flip. 208 // "src_size" is needed to parse MJPG. 209 // "dst_stride_y" number of bytes in a row of the dst_y plane. 210 // Normally this would be the same as dst_width, with recommended alignment 211 // to 16 bytes for better efficiency. 212 // If rotation of 90 or 270 is used, stride is affected. The caller should 213 // allocate the I420 buffer according to rotation. 214 // "dst_stride_u" number of bytes in a row of the dst_u plane. 215 // Normally this would be the same as (dst_width + 1) / 2, with 216 // recommended alignment to 16 bytes for better efficiency. 217 // If rotation of 90 or 270 is used, stride is affected. 218 // "crop_x" and "crop_y" are starting position for cropping. 219 // To center, crop_x = (src_width - dst_width) / 2 220 // crop_y = (src_height - dst_height) / 2 221 // "src_width" / "src_height" is size of src_frame in pixels. 222 // "src_height" can be negative indicating a vertically flipped image source. 223 // "crop_width" / "crop_height" is the size to crop the src to. 224 // Must be less than or equal to src_width/src_height 225 // Cropping parameters are pre-rotation. 226 // "rotation" can be 0, 90, 180 or 270. 227 // "format" is a fourcc. ie 'I420', 'YUY2' 228 // Returns 0 for successful; -1 for invalid parameter. Non-zero for failure. 229 LIBYUV_API 230 int ConvertToI420(const uint8* src_frame, size_t src_size, 231 uint8* dst_y, int dst_stride_y, 232 uint8* dst_u, int dst_stride_u, 233 uint8* dst_v, int dst_stride_v, 234 int crop_x, int crop_y, 235 int src_width, int src_height, 236 int crop_width, int crop_height, 237 enum RotationMode rotation, 238 uint32 format); 239 240 #ifdef __cplusplus 241 } // extern "C" 242 } // namespace libyuv 243 #endif 244 245 #endif // INCLUDE_LIBYUV_CONVERT_H_ NOLINT 246