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