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_ // NOLINT 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 #define FOURCC(a, b, c, d) ( \ 31 (static_cast<uint32>(a)) | (static_cast<uint32>(b) << 8) | \ 32 (static_cast<uint32>(c) << 16) | (static_cast<uint32>(d) << 24)) 33 34 // Some pages discussing FourCC codes: 35 // http://www.fourcc.org/yuv.php 36 // http://v4l2spec.bytesex.org/spec/book1.htm 37 // http://developer.apple.com/quicktime/icefloe/dispatch020.html 38 // http://msdn.microsoft.com/library/windows/desktop/dd206750.aspx#nv12 39 // http://people.xiph.org/~xiphmont/containers/nut/nut4cc.txt 40 41 enum FourCC { 42 // Canonical fourcc codes used in our code. 43 FOURCC_I420 = FOURCC('I', '4', '2', '0'), 44 FOURCC_I422 = FOURCC('I', '4', '2', '2'), 45 FOURCC_I444 = FOURCC('I', '4', '4', '4'), 46 FOURCC_I411 = FOURCC('I', '4', '1', '1'), 47 FOURCC_I400 = FOURCC('I', '4', '0', '0'), 48 FOURCC_YU12 = FOURCC('Y', 'U', '1', '2'), // Linux version of I420. 49 FOURCC_YV12 = FOURCC('Y', 'V', '1', '2'), 50 FOURCC_YV16 = FOURCC('Y', 'V', '1', '6'), 51 FOURCC_YV24 = FOURCC('Y', 'V', '2', '4'), 52 FOURCC_YUY2 = FOURCC('Y', 'U', 'Y', '2'), 53 FOURCC_UYVY = FOURCC('U', 'Y', 'V', 'Y'), 54 FOURCC_M420 = FOURCC('M', '4', '2', '0'), 55 FOURCC_Q420 = FOURCC('Q', '4', '2', '0'), 56 FOURCC_V210 = FOURCC('V', '2', '1', '0'), 57 FOURCC_24BG = FOURCC('2', '4', 'B', 'G'), 58 FOURCC_ARGB = FOURCC('A', 'R', 'G', 'B'), 59 FOURCC_BGRA = FOURCC('B', 'G', 'R', 'A'), 60 FOURCC_ABGR = FOURCC('A', 'B', 'G', 'R'), 61 FOURCC_RGBA = FOURCC('R', 'G', 'B', 'A'), 62 FOURCC_RGBP = FOURCC('R', 'G', 'B', 'P'), // bgr565. 63 FOURCC_RGBO = FOURCC('R', 'G', 'B', 'O'), // abgr1555. 64 FOURCC_R444 = FOURCC('R', '4', '4', '4'), // argb4444. 65 FOURCC_RAW = FOURCC('r', 'a', 'w', ' '), 66 FOURCC_NV21 = FOURCC('N', 'V', '2', '1'), 67 FOURCC_NV12 = FOURCC('N', 'V', '1', '2'), 68 FOURCC_MJPG = FOURCC('M', 'J', 'P', 'G'), 69 FOURCC_H264 = FOURCC('H', '2', '6', '4'), 70 // Next four are Bayer RGB formats. The four characters define the order of 71 // the colours in each 2x2 pixel grid, going left-to-right and top-to-bottom. 72 FOURCC_RGGB = FOURCC('R', 'G', 'G', 'B'), 73 FOURCC_BGGR = FOURCC('B', 'G', 'G', 'R'), 74 FOURCC_GRBG = FOURCC('G', 'R', 'B', 'G'), 75 FOURCC_GBRG = FOURCC('G', 'B', 'R', 'G'), 76 77 // Aliases for canonical fourcc codes, replaced with their canonical 78 // equivalents by CanonicalFourCC(). 79 FOURCC_IYUV = FOURCC('I', 'Y', 'U', 'V'), // Alias for I420. 80 FOURCC_YU16 = FOURCC('Y', 'U', '1', '6'), // Alias for I422. 81 FOURCC_YU24 = FOURCC('Y', 'U', '2', '4'), // Alias for I444. 82 FOURCC_YUYV = FOURCC('Y', 'U', 'Y', 'V'), // Alias for YUY2. 83 FOURCC_YUVS = FOURCC('y', 'u', 'v', 's'), // Alias for YUY2 on Mac. 84 FOURCC_HDYC = FOURCC('H', 'D', 'Y', 'C'), // Alias for UYVY. 85 FOURCC_2VUY = FOURCC('2', 'v', 'u', 'y'), // Alias for UYVY. 86 FOURCC_JPEG = FOURCC('J', 'P', 'E', 'G'), // Alias for MJPG. 87 FOURCC_DMB1 = FOURCC('d', 'm', 'b', '1'), // Alias for MJPG on Mac. 88 FOURCC_BA81 = FOURCC('B', 'A', '8', '1'), // Alias for BGGR. 89 FOURCC_RGB3 = FOURCC('R', 'G', 'B', '3'), // Alias for RAW. 90 FOURCC_BGR3 = FOURCC('B', 'G', 'R', '3'), // Alias for 24BG. 91 92 // Match any fourcc. 93 FOURCC_ANY = 0xFFFFFFFF, 94 }; 95 96 enum FourCCBpp { 97 // Canonical fourcc codes used in our code. 98 FOURCC_BPP_I420 = 12, 99 FOURCC_BPP_I422 = 16, 100 FOURCC_BPP_I444 = 24, 101 FOURCC_BPP_I411 = 12, 102 FOURCC_BPP_I400 = 8, 103 FOURCC_BPP_YU12 = 12, 104 FOURCC_BPP_YV12 = 12, 105 FOURCC_BPP_YV16 = 16, 106 FOURCC_BPP_YV24 = 24, 107 FOURCC_BPP_YUY2 = 16, 108 FOURCC_BPP_UYVY = 16, 109 FOURCC_BPP_M420 = 12, 110 FOURCC_BPP_Q420 = 12, 111 FOURCC_BPP_V210 = 22, // 128 / 6 actually. 112 FOURCC_BPP_24BG = 24, 113 FOURCC_BPP_ARGB = 32, 114 FOURCC_BPP_BGRA = 32, 115 FOURCC_BPP_ABGR = 32, 116 FOURCC_BPP_RGBA = 32, 117 FOURCC_BPP_RGBP = 16, 118 FOURCC_BPP_RGBO = 16, 119 FOURCC_BPP_R444 = 16, 120 FOURCC_BPP_RAW = 24, 121 FOURCC_BPP_NV21 = 12, 122 FOURCC_BPP_NV12 = 12, 123 FOURCC_BPP_MJPG = 0, // 0 means unknown. 124 FOURCC_BPP_H264 = 0, 125 // Next four are Bayer RGB formats. The four characters define the order of 126 // the colours in each 2x2 pixel grid, going left-to-right and top-to-bottom. 127 FOURCC_BPP_RGGB = 8, 128 FOURCC_BPP_BGGR = 8, 129 FOURCC_BPP_GRBG = 8, 130 FOURCC_BPP_GBRG = 8, 131 132 // Aliases for canonical fourcc codes, replaced with their canonical 133 // equivalents by CanonicalFourCC(). 134 FOURCC_BPP_IYUV = 12, 135 FOURCC_BPP_YU16 = 16, 136 FOURCC_BPP_YU24 = 24, 137 FOURCC_BPP_YUYV = 16, 138 FOURCC_BPP_YUVS = 16, 139 FOURCC_BPP_HDYC = 16, 140 FOURCC_BPP_2VUY = 16, 141 FOURCC_BPP_JPEG = 1, 142 FOURCC_BPP_DMB1 = 1, 143 FOURCC_BPP_BA81 = 8, 144 FOURCC_BPP_RGB3 = 24, 145 FOURCC_BPP_BGR3 = 24, 146 147 // Match any fourcc. 148 FOURCC_BPP_ANY = 0, // 0 means unknown. 149 }; 150 151 // Converts fourcc aliases into canonical ones. 152 LIBYUV_API uint32 CanonicalFourCC(uint32 fourcc); 153 154 #ifdef __cplusplus 155 } // extern "C" 156 } // namespace libyuv 157 #endif 158 159 #endif // INCLUDE_LIBYUV_VIDEO_COMMON_H_ NOLINT 160