Hendrik Dahlkamp | 33cfdeb | 2013-01-23 18:27:37 -0800 | [diff] [blame] | 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 |