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 // Common definitions for video, including fourcc and VideoFormat. 12 13 #ifndef INCLUDE_LIBYUV_VIDEO_COMMON_H_ 14 #define INCLUDE_LIBYUV_VIDEO_COMMON_H_ 15 16 #include "libyuv/basic_types.h" 17 18 #ifdef __cplusplus 19 namespace libyuv { 20 extern "C" { 21 #endif 22 23 ////////////////////////////////////////////////////////////////////////////// 24 // Definition of FourCC codes 25 ////////////////////////////////////////////////////////////////////////////// 26 27 // Convert four characters to a FourCC code. 28 // Needs to be a macro otherwise the OS X compiler complains when the kFormat* 29 // constants are used in a switch. 30 #ifdef __cplusplus 31 #define FOURCC(a, b, c, d) \ 32 ((static_cast<uint32>(a)) | (static_cast<uint32>(b) << 8) | \ 33 (static_cast<uint32>(c) << 16) | (static_cast<uint32>(d) << 24)) 34 #else 35 #define FOURCC(a, b, c, d) \ 36 (((uint32)(a)) | ((uint32)(b) << 8) | /* NOLINT */ \ 37 ((uint32)(c) << 16) | ((uint32)(d) << 24)) /* NOLINT */ 38 #endif 39 40 // Some pages discussing FourCC codes: 41 // http://www.fourcc.org/yuv.php 42 // http://v4l2spec.bytesex.org/spec/book1.htm 43 // http://developer.apple.com/quicktime/icefloe/dispatch020.html 44 // http://msdn.microsoft.com/library/windows/desktop/dd206750.aspx#nv12 45 // http://people.xiph.org/~xiphmont/containers/nut/nut4cc.txt 46 47 // FourCC codes grouped according to implementation efficiency. 48 // Primary formats should convert in 1 efficient step. 49 // Secondary formats are converted in 2 steps. 50 // Auxilliary formats call primary converters. 51 enum FourCC { 52 // 8 Primary YUV formats: 5 planar, 2 biplanar, 2 packed. 53 FOURCC_I420 = FOURCC('I', '4', '2', '0'), 54 FOURCC_I422 = FOURCC('I', '4', '2', '2'), 55 FOURCC_I444 = FOURCC('I', '4', '4', '4'), 56 FOURCC_I411 = FOURCC('I', '4', '1', '1'), // deprecated. 57 FOURCC_I400 = FOURCC('I', '4', '0', '0'), 58 FOURCC_NV21 = FOURCC('N', 'V', '2', '1'), 59 FOURCC_NV12 = FOURCC('N', 'V', '1', '2'), 60 FOURCC_YUY2 = FOURCC('Y', 'U', 'Y', '2'), 61 FOURCC_UYVY = FOURCC('U', 'Y', 'V', 'Y'), 62 63 // 1 Secondary YUV format: row biplanar. 64 FOURCC_M420 = FOURCC('M', '4', '2', '0'), 65 FOURCC_Q420 = FOURCC('Q', '4', '2', '0'), // deprecated. 66 67 // 9 Primary RGB formats: 4 32 bpp, 2 24 bpp, 3 16 bpp. 68 FOURCC_ARGB = FOURCC('A', 'R', 'G', 'B'), 69 FOURCC_BGRA = FOURCC('B', 'G', 'R', 'A'), 70 FOURCC_ABGR = FOURCC('A', 'B', 'G', 'R'), 71 FOURCC_24BG = FOURCC('2', '4', 'B', 'G'), 72 FOURCC_RAW = FOURCC('r', 'a', 'w', ' '), 73 FOURCC_RGBA = FOURCC('R', 'G', 'B', 'A'), 74 FOURCC_RGBP = FOURCC('R', 'G', 'B', 'P'), // rgb565 LE. 75 FOURCC_RGBO = FOURCC('R', 'G', 'B', 'O'), // argb1555 LE. 76 FOURCC_R444 = FOURCC('R', '4', '4', '4'), // argb4444 LE. 77 78 // 4 Secondary RGB formats: 4 Bayer Patterns. deprecated. 79 FOURCC_RGGB = FOURCC('R', 'G', 'G', 'B'), 80 FOURCC_BGGR = FOURCC('B', 'G', 'G', 'R'), 81 FOURCC_GRBG = FOURCC('G', 'R', 'B', 'G'), 82 FOURCC_GBRG = FOURCC('G', 'B', 'R', 'G'), 83 84 // 1 Primary Compressed YUV format. 85 FOURCC_MJPG = FOURCC('M', 'J', 'P', 'G'), 86 87 // 5 Auxiliary YUV variations: 3 with U and V planes are swapped, 1 Alias. 88 FOURCC_YV12 = FOURCC('Y', 'V', '1', '2'), 89 FOURCC_YV16 = FOURCC('Y', 'V', '1', '6'), 90 FOURCC_YV24 = FOURCC('Y', 'V', '2', '4'), 91 FOURCC_YU12 = FOURCC('Y', 'U', '1', '2'), // Linux version of I420. 92 FOURCC_J420 = FOURCC('J', '4', '2', '0'), 93 FOURCC_J400 = FOURCC('J', '4', '0', '0'), // unofficial fourcc 94 FOURCC_H420 = FOURCC('H', '4', '2', '0'), // unofficial fourcc 95 96 // 14 Auxiliary aliases. CanonicalFourCC() maps these to canonical fourcc. 97 FOURCC_IYUV = FOURCC('I', 'Y', 'U', 'V'), // Alias for I420. 98 FOURCC_YU16 = FOURCC('Y', 'U', '1', '6'), // Alias for I422. 99 FOURCC_YU24 = FOURCC('Y', 'U', '2', '4'), // Alias for I444. 100 FOURCC_YUYV = FOURCC('Y', 'U', 'Y', 'V'), // Alias for YUY2. 101 FOURCC_YUVS = FOURCC('y', 'u', 'v', 's'), // Alias for YUY2 on Mac. 102 FOURCC_HDYC = FOURCC('H', 'D', 'Y', 'C'), // Alias for UYVY. 103 FOURCC_2VUY = FOURCC('2', 'v', 'u', 'y'), // Alias for UYVY on Mac. 104 FOURCC_JPEG = FOURCC('J', 'P', 'E', 'G'), // Alias for MJPG. 105 FOURCC_DMB1 = FOURCC('d', 'm', 'b', '1'), // Alias for MJPG on Mac. 106 FOURCC_BA81 = FOURCC('B', 'A', '8', '1'), // Alias for BGGR. 107 FOURCC_RGB3 = FOURCC('R', 'G', 'B', '3'), // Alias for RAW. 108 FOURCC_BGR3 = FOURCC('B', 'G', 'R', '3'), // Alias for 24BG. 109 FOURCC_CM32 = FOURCC(0, 0, 0, 32), // Alias for BGRA kCMPixelFormat_32ARGB 110 FOURCC_CM24 = FOURCC(0, 0, 0, 24), // Alias for RAW kCMPixelFormat_24RGB 111 FOURCC_L555 = FOURCC('L', '5', '5', '5'), // Alias for RGBO. 112 FOURCC_L565 = FOURCC('L', '5', '6', '5'), // Alias for RGBP. 113 FOURCC_5551 = FOURCC('5', '5', '5', '1'), // Alias for RGBO. 114 115 // 1 Auxiliary compressed YUV format set aside for capturer. 116 FOURCC_H264 = FOURCC('H', '2', '6', '4'), 117 118 // Match any fourcc. 119 FOURCC_ANY = -1, 120 }; 121 122 enum FourCCBpp { 123 // Canonical fourcc codes used in our code. 124 FOURCC_BPP_I420 = 12, 125 FOURCC_BPP_I422 = 16, 126 FOURCC_BPP_I444 = 24, 127 FOURCC_BPP_I411 = 12, 128 FOURCC_BPP_I400 = 8, 129 FOURCC_BPP_NV21 = 12, 130 FOURCC_BPP_NV12 = 12, 131 FOURCC_BPP_YUY2 = 16, 132 FOURCC_BPP_UYVY = 16, 133 FOURCC_BPP_M420 = 12, 134 FOURCC_BPP_Q420 = 12, 135 FOURCC_BPP_ARGB = 32, 136 FOURCC_BPP_BGRA = 32, 137 FOURCC_BPP_ABGR = 32, 138 FOURCC_BPP_RGBA = 32, 139 FOURCC_BPP_24BG = 24, 140 FOURCC_BPP_RAW = 24, 141 FOURCC_BPP_RGBP = 16, 142 FOURCC_BPP_RGBO = 16, 143 FOURCC_BPP_R444 = 16, 144 FOURCC_BPP_RGGB = 8, 145 FOURCC_BPP_BGGR = 8, 146 FOURCC_BPP_GRBG = 8, 147 FOURCC_BPP_GBRG = 8, 148 FOURCC_BPP_YV12 = 12, 149 FOURCC_BPP_YV16 = 16, 150 FOURCC_BPP_YV24 = 24, 151 FOURCC_BPP_YU12 = 12, 152 FOURCC_BPP_J420 = 12, 153 FOURCC_BPP_J400 = 8, 154 FOURCC_BPP_H420 = 12, 155 FOURCC_BPP_MJPG = 0, // 0 means unknown. 156 FOURCC_BPP_H264 = 0, 157 FOURCC_BPP_IYUV = 12, 158 FOURCC_BPP_YU16 = 16, 159 FOURCC_BPP_YU24 = 24, 160 FOURCC_BPP_YUYV = 16, 161 FOURCC_BPP_YUVS = 16, 162 FOURCC_BPP_HDYC = 16, 163 FOURCC_BPP_2VUY = 16, 164 FOURCC_BPP_JPEG = 1, 165 FOURCC_BPP_DMB1 = 1, 166 FOURCC_BPP_BA81 = 8, 167 FOURCC_BPP_RGB3 = 24, 168 FOURCC_BPP_BGR3 = 24, 169 FOURCC_BPP_CM32 = 32, 170 FOURCC_BPP_CM24 = 24, 171 172 // Match any fourcc. 173 FOURCC_BPP_ANY = 0, // 0 means unknown. 174 }; 175 176 // Converts fourcc aliases into canonical ones. 177 LIBYUV_API uint32 CanonicalFourCC(uint32 fourcc); 178 179 #ifdef __cplusplus 180 } // extern "C" 181 } // namespace libyuv 182 #endif 183 184 #endif // INCLUDE_LIBYUV_VIDEO_COMMON_H_ 185
