// 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'), // bgr565. FOURCC_RGBO = FOURCC('R', 'G', 'B', 'O'), // abgr1555. FOURCC_R444 = FOURCC('R', '4', '4', '4'), // argb4444. // 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 // 1 Auxiliary compressed YUV format set aside for capturer. FOURCC_H264 = FOURCC('H', '2', '6', '4'), // Match any fourcc.FOURCC_ANY = 0xFFFFFFFF,