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 21namespace libyuv { 22extern "C" { 23#endif 24 25// Alias. 26#define I420ToI420 I420Copy 27 28// Copy I420 to I420. 29LIBYUV_API 30int I420Copy(const uint8* src_y, int src_stride_y, 31 const uint8* src_u, int src_stride_u, 32 const uint8* src_v, int src_stride_v, 33 uint8* dst_y, int dst_stride_y, 34 uint8* dst_u, int dst_stride_u, 35 uint8* dst_v, int dst_stride_v, 36 int width, int height); 37 38// Convert I422 to I420. 39LIBYUV_API 40int I422ToI420(const uint8* src_y, int src_stride_y, 41 const uint8* src_u, int src_stride_u, 42 const uint8* src_v, int src_stride_v, 43 uint8* dst_y, int dst_stride_y, 44 uint8* dst_u, int dst_stride_u, 45 uint8* dst_v, int dst_stride_v, 46 int width, int height); 47 48// Convert I444 to I420. 49LIBYUV_API 50int I444ToI420(const uint8* src_y, int src_stride_y, 51 const uint8* src_u, int src_stride_u, 52 const uint8* src_v, int src_stride_v, 53 uint8* dst_y, int dst_stride_y, 54 uint8* dst_u, int dst_stride_u, 55 uint8* dst_v, int dst_stride_v, 56 int width, int height); 57 58// Convert I411 to I420. 59LIBYUV_API 60int I411ToI420(const uint8* src_y, int src_stride_y, 61 const uint8* src_u, int src_stride_u, 62 const uint8* src_v, int src_stride_v, 63 uint8* dst_y, int dst_stride_y, 64 uint8* dst_u, int dst_stride_u, 65 uint8* dst_v, int dst_stride_v, 66 int width, int height); 67 68// Convert I400 (grey) to I420. 69LIBYUV_API 70int I400ToI420(const uint8* src_y, int src_stride_y, 71 uint8* dst_y, int dst_stride_y, 72 uint8* dst_u, int dst_stride_u, 73 uint8* dst_v, int dst_stride_v, 74 int width, int height); 75 76// Convert NV12 to I420. Also used for NV21. 77LIBYUV_API 78int 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 M420 to I420. 86LIBYUV_API 87int M420ToI420(const uint8* src_m420, int src_stride_m420, 88 uint8* dst_y, int dst_stride_y, 89 uint8* dst_u, int dst_stride_u, 90 uint8* dst_v, int dst_stride_v, 91 int width, int height); 92 93// Convert Q420 to I420. 94LIBYUV_API 95int Q420ToI420(const uint8* src_y, int src_stride_y, 96 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 YUY2 to I420. 103LIBYUV_API 104int YUY2ToI420(const uint8* src_yuy2, int src_stride_yuy2, 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 UYVY to I420. 111LIBYUV_API 112int UYVYToI420(const uint8* src_uyvy, int src_stride_uyvy, 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// Convert V210 to I420. 119LIBYUV_API 120int V210ToI420(const uint8* src_uyvy, int src_stride_uyvy, 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// ARGB little endian (bgra in memory) to I420. 127LIBYUV_API 128int ARGBToI420(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// BGRA little endian (argb in memory) to I420. 135LIBYUV_API 136int BGRAToI420(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// ABGR little endian (rgba in memory) to I420. 143LIBYUV_API 144int ABGRToI420(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// RGBA little endian (abgr in memory) to I420. 151LIBYUV_API 152int RGBAToI420(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 little endian (bgr in memory) to I420. 159LIBYUV_API 160int RGB24ToI420(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// RGB big endian (rgb in memory) to I420. 167LIBYUV_API 168int RAWToI420(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// RGB16 (RGBP fourcc) little endian to I420. 175LIBYUV_API 176int RGB565ToI420(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// RGB15 (RGBO fourcc) little endian to I420. 183LIBYUV_API 184int ARGB1555ToI420(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// RGB12 (R444 fourcc) little endian to I420. 191LIBYUV_API 192int ARGB4444ToI420(const uint8* src_frame, int src_stride_frame, 193 uint8* dst_y, int dst_stride_y, 194 uint8* dst_u, int dst_stride_u, 195 uint8* dst_v, int dst_stride_v, 196 int width, int height); 197 198#ifdef HAVE_JPEG 199// src_width/height provided by capture. 200// dst_width/height for clipping determine final size. 201LIBYUV_API 202int MJPGToI420(const uint8* sample, size_t sample_size, 203 uint8* dst_y, int dst_stride_y, 204 uint8* dst_u, int dst_stride_u, 205 uint8* dst_v, int dst_stride_v, 206 int src_width, int src_height, 207 int dst_width, int dst_height); 208#endif 209 210// Note Bayer formats (BGGR) To I420 are in format_conversion.h 211 212// Convert camera sample to I420 with cropping, rotation and vertical flip. 213// "src_size" is needed to parse MJPG. 214// "dst_stride_y" number of bytes in a row of the dst_y plane. 215// Normally this would be the same as dst_width, with recommended alignment 216// to 16 bytes for better efficiency. 217// If rotation of 90 or 270 is used, stride is affected. The caller should 218// allocate the I420 buffer according to rotation. 219// "dst_stride_u" number of bytes in a row of the dst_u plane. 220// Normally this would be the same as (dst_width + 1) / 2, with 221// recommended alignment to 16 bytes for better efficiency. 222// If rotation of 90 or 270 is used, stride is affected. 223// "crop_x" and "crop_y" are starting position for cropping. 224// To center, crop_x = (src_width - dst_width) / 2 225// crop_y = (src_height - dst_height) / 2 226// "src_width" / "src_height" is size of src_frame in pixels. 227// "src_height" can be negative indicating a vertically flipped image source. 228// "dst_width" / "dst_height" is size of destination to crop to. 229// Must be less than or equal to src_width/src_height 230// Cropping parameters are pre-rotation. 231// "rotation" can be 0, 90, 180 or 270. 232// "format" is a fourcc. ie 'I420', 'YUY2' 233// Returns 0 for successful; -1 for invalid parameter. Non-zero for failure. 234LIBYUV_API 235int ConvertToI420(const uint8* src_frame, size_t src_size, 236 uint8* dst_y, int dst_stride_y, 237 uint8* dst_u, int dst_stride_u, 238 uint8* dst_v, int dst_stride_v, 239 int crop_x, int crop_y, 240 int src_width, int src_height, 241 int dst_width, int dst_height, 242 RotationMode rotation, 243 uint32 format); 244 245#ifdef __cplusplus 246} // extern "C" 247} // namespace libyuv 248#endif 249 250#endif // INCLUDE_LIBYUV_CONVERT_H_ NOLINT 251