/* * Copyright 2011 The LibYuv Project Authors. All rights reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ // Common definitions for video, including fourcc and VideoFormat. #ifndef INCLUDE_LIBYUV_VIDEO_COMMON_H_ // NOLINT #define INCLUDE_LIBYUV_VIDEO_COMMON_H_ #include "libyuv/basic_types.h" #ifdef __cplusplus namespace libyuv { extern "C" { #endif ////////////////////////////////////////////////////////////////////////////// // Definition of FourCC codes ////////////////////////////////////////////////////////////////////////////// // Convert four characters to a FourCC code. // Needs to be a macro otherwise the OS X compiler complains when the kFormat* // constants are used in a switch. #ifdef __cplusplus #define FOURCC(a, b, c, d) ( \ (static_cast(a)) | (static_cast(b) << 8) | \ (static_cast(c) << 16) | (static_cast(d) << 24)) #else #define FOURCC(a, b, c, d) ( \ ((uint32)(a)) | ((uint32)(b) << 8) | /* NOLINT */ \ ((uint32)(c) << 16) | ((uint32)(d) << 24)) /* NOLINT */ #endif // Some pages discussing FourCC codes: // http://www.fourcc.org/yuv.php // http://v4l2spec.bytesex.org/spec/book1.htm // http://developer.apple.com/quicktime/icefloe/dispatch020.html // http://msdn.microsoft.com/library/windows/desktop/dd206750.aspx#nv12 // http://people.xiph.org/~xiphmont/containers/nut/nut4cc.txt // FourCC codes grouped according to implementation efficiency. // Primary formats should convert in 1 efficient step. // Secondary formats are converted in 2 steps. // Auxilliary formats call primary converters. enum FourCC { // 9 Primary YUV formats: 5 planar, 2 biplanar, 2 packed. FOURCC_I420 = FOURCC('I', '4', '2', '0'), FOURCC_I422 = FOURCC('I', '4', '2', '2'), FOURCC_I444 = FOURCC('I', '4', '4', '4'), FOURCC_I411 = FOURCC('I', '4', '1', '1'), FOURCC_I400 = FOURCC('I', '4', '0', '0'), FOURCC_NV21 = FOURCC('N', 'V', '2', '1'), FOURCC_NV12 = FOURCC('N', 'V', '1', '2'), FOURCC_YUY2 = FOURCC('Y', 'U', 'Y', '2'), FOURCC_UYVY = FOURCC('U', 'Y', 'V', 'Y'), // 2 Secondary YUV formats: row biplanar. FOURCC_M420 = FOURCC('M', '4', '2', '0'), FOURCC_Q420 = FOURCC('Q', '4', '2', '0'), // 9 Primary RGB formats: 4 32 bpp, 2 24 bpp, 3 16 bpp. FOURCC_ARGB = FOURCC('A', 'R', 'G', 'B'), FOURCC_BGRA = FOURCC('B', 'G', 'R', 'A'), FOURCC_ABGR = FOURCC('A', 'B', 'G', 'R'), FOURCC_24BG = FOURCC('2', '4', 'B', 'G'), FOURCC_RAW = FOURCC('r', 'a', 'w', ' '), FOURCC_RGBA = FOURCC('R', 'G', 'B', 'A'), FOURCC_RGBP = FOURCC('R', 'G', 'B', 'P'), // rgb565 LE. FOURCC_RGBO = FOURCC('R', 'G', 'B', 'O'), // argb1555 LE. FOURCC_R444 = FOURCC('R', '4', '4', '4'), // argb4444 LE. // 4 Secondary RGB formats: 4 Bayer Patterns. FOURCC_RGGB = FOURCC('R', 'G', 'G', 'B'), FOURCC_BGGR = FOURCC('B', 'G', 'G', 'R'), FOURCC_GRBG = FOURCC('G', 'R', 'B', 'G'), FOURCC_GBRG = FOURCC('G', 'B', 'R', 'G'), // 1 Primary Compressed YUV format. FOURCC_MJPG = FOURCC('M', 'J', 'P', 'G'), // 5 Auxiliary YUV variations: 3 with U and V planes are swapped, 1 Alias. FOURCC_YV12 = FOURCC('Y', 'V', '1', '2'), FOURCC_YV16 = FOURCC('Y', 'V', '1', '6'), FOURCC_YV24 = FOURCC('Y', 'V', '2', '4'), FOURCC_YU12 = FOURCC('Y', 'U', '1', '2'), // Linux version of I420. FOURCC_J420 = FOURCC('J', '4', '2', '0'), FOURCC_J400 = FOURCC('J', '4', '0', '0'), // 14 Auxiliary aliases. CanonicalFourCC() maps these to canonical fourcc. FOURCC_IYUV = FOURCC('I', 'Y', 'U', 'V'), // Alias for I420. FOURCC_YU16 = FOURCC('Y', 'U', '1', '6'), // Alias for I422. FOURCC_YU24 = FOURCC('Y', 'U', '2', '4'), // Alias for I444. FOURCC_YUYV = FOURCC('Y', 'U', 'Y', 'V'), // Alias for YUY2. FOURCC_YUVS = FOURCC('y', 'u', 'v', 's'), // Alias for YUY2 on Mac. FOURCC_HDYC = FOURCC('H', 'D', 'Y', 'C'), // Alias for UYVY. FOURCC_2VUY = FOURCC('2', 'v', 'u', 'y'), // Alias for UYVY on Mac. FOURCC_JPEG = FOURCC('J', 'P', 'E', 'G'), // Alias for MJPG. FOURCC_DMB1 = FOURCC('d', 'm', 'b', '1'), // Alias for MJPG on Mac. FOURCC_BA81 = FOURCC('B', 'A', '8', '1'), // Alias for BGGR. FOURCC_RGB3 = FOURCC('R', 'G', 'B', '3'), // Alias for RAW. FOURCC_BGR3 = FOURCC('B', 'G', 'R', '3'), // Alias for 24BG. FOURCC_CM32 = FOURCC(0, 0, 0, 32), // Alias for BGRA kCMPixelFormat_32ARGB FOURCC_CM24 = FOURCC(0, 0, 0, 24), // Alias for RAW kCMPixelFormat_24RGB FOURCC_L555 = FOURCC('L', '5', '5', '5'), // Alias for RGBO. FOURCC_L565 = FOURCC('L', '5', '6', '5'), // Alias for RGBP. FOURCC_5551 = FOURCC('5', '5', '5', '1'), // Alias for RGBO. // 1 Auxiliary compressed YUV format set aside for capturer. FOURCC_H264 = FOURCC('H', '2', '6', '4'), // Match any fourcc. FOURCC_ANY = -1, }; enum FourCCBpp { // Canonical fourcc codes used in our code. FOURCC_BPP_I420 = 12, FOURCC_BPP_I422 = 16, FOURCC_BPP_I444 = 24, FOURCC_BPP_I411 = 12, FOURCC_BPP_I400 = 8, FOURCC_BPP_NV21 = 12, FOURCC_BPP_NV12 = 12, FOURCC_BPP_YUY2 = 16, FOURCC_BPP_UYVY = 16, FOURCC_BPP_M420 = 12, FOURCC_BPP_Q420 = 12, FOURCC_BPP_ARGB = 32, FOURCC_BPP_BGRA = 32, FOURCC_BPP_ABGR = 32, FOURCC_BPP_RGBA = 32, FOURCC_BPP_24BG = 24, FOURCC_BPP_RAW = 24, FOURCC_BPP_RGBP = 16, FOURCC_BPP_RGBO = 16, FOURCC_BPP_R444 = 16, FOURCC_BPP_RGGB = 8, FOURCC_BPP_BGGR = 8, FOURCC_BPP_GRBG = 8, FOURCC_BPP_GBRG = 8, FOURCC_BPP_YV12 = 12, FOURCC_BPP_YV16 = 16, FOURCC_BPP_YV24 = 24, FOURCC_BPP_YU12 = 12, FOURCC_BPP_J420 = 12, FOURCC_BPP_J400 = 8, FOURCC_BPP_MJPG = 0, // 0 means unknown. FOURCC_BPP_H264 = 0, FOURCC_BPP_IYUV = 12, FOURCC_BPP_YU16 = 16, FOURCC_BPP_YU24 = 24, FOURCC_BPP_YUYV = 16, FOURCC_BPP_YUVS = 16, FOURCC_BPP_HDYC = 16, FOURCC_BPP_2VUY = 16, FOURCC_BPP_JPEG = 1, FOURCC_BPP_DMB1 = 1, FOURCC_BPP_BA81 = 8, FOURCC_BPP_RGB3 = 24, FOURCC_BPP_BGR3 = 24, FOURCC_BPP_CM32 = 32, FOURCC_BPP_CM24 = 24, // Match any fourcc. FOURCC_BPP_ANY = 0, // 0 means unknown. }; // Converts fourcc aliases into canonical ones. LIBYUV_API uint32 CanonicalFourCC(uint32 fourcc); #ifdef __cplusplus } // extern "C" } // namespace libyuv #endif #endif // INCLUDE_LIBYUV_VIDEO_COMMON_H_ NOLINT