From 678702573531f19ae36847a6a07257aaae623fbe Mon Sep 17 00:00:00 2001 From: Sadaf Ebrahimi Date: Fri, 25 Aug 2023 16:27:50 +0000 Subject: Move libyuv/files/ directly under libyuv Test: TreeHugger Merged-In: I773d1ae01539cc5d200768b526f10b2922567f72 Change-Id: I4ba1f1e781d7fd3ad96639dfdc08f654e45ae3d3 --- include/libyuv/video_common.h | 222 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 222 insertions(+) create mode 100644 include/libyuv/video_common.h (limited to 'include/libyuv/video_common.h') diff --git a/include/libyuv/video_common.h b/include/libyuv/video_common.h new file mode 100644 index 00000000..32b8a521 --- /dev/null +++ b/include/libyuv/video_common.h @@ -0,0 +1,222 @@ +/* + * 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_ +#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) | /* NOLINT */ \ + (static_cast(d) << 24)) /* NOLINT */ +#else +#define FOURCC(a, b, c, d) \ + (((uint32_t)(a)) | ((uint32_t)(b) << 8) | /* NOLINT */ \ + ((uint32_t)(c) << 16) | ((uint32_t)(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 { + // 10 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_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'), + FOURCC_I010 = FOURCC('I', '0', '1', '0'), // bt.601 10 bit 420 + FOURCC_I210 = FOURCC('I', '2', '1', '0'), // bt.601 10 bit 422 + + // 1 Secondary YUV format: row biplanar. deprecated. + FOURCC_M420 = FOURCC('M', '4', '2', '0'), + + // 13 Primary RGB formats: 4 32 bpp, 2 24 bpp, 3 16 bpp, 1 10 bpc 2 64 bpp + FOURCC_ARGB = FOURCC('A', 'R', 'G', 'B'), + FOURCC_BGRA = FOURCC('B', 'G', 'R', 'A'), + FOURCC_ABGR = FOURCC('A', 'B', 'G', 'R'), + FOURCC_AR30 = FOURCC('A', 'R', '3', '0'), // 10 bit per channel. 2101010. + FOURCC_AB30 = FOURCC('A', 'B', '3', '0'), // ABGR version of 10 bit + FOURCC_AR64 = FOURCC('A', 'R', '6', '4'), // 16 bit per channel. + FOURCC_AB64 = FOURCC('A', 'B', '6', '4'), // ABGR version of 16 bit + 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. + + // 1 Primary Compressed YUV format. + FOURCC_MJPG = FOURCC('M', 'J', 'P', 'G'), + + // 14 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'), // jpeg (bt.601 full), unofficial fourcc + FOURCC_J422 = + FOURCC('J', '4', '2', '2'), // jpeg (bt.601 full), unofficial fourcc + FOURCC_J444 = + FOURCC('J', '4', '4', '4'), // jpeg (bt.601 full), unofficial fourcc + FOURCC_J400 = + FOURCC('J', '4', '0', '0'), // jpeg (bt.601 full), unofficial fourcc + FOURCC_F420 = FOURCC('F', '4', '2', '0'), // bt.709 full, unofficial fourcc + FOURCC_F422 = FOURCC('F', '4', '2', '2'), // bt.709 full, unofficial fourcc + FOURCC_F444 = FOURCC('F', '4', '4', '4'), // bt.709 full, unofficial fourcc + FOURCC_H420 = FOURCC('H', '4', '2', '0'), // bt.709, unofficial fourcc + FOURCC_H422 = FOURCC('H', '4', '2', '2'), // bt.709, unofficial fourcc + FOURCC_H444 = FOURCC('H', '4', '4', '4'), // bt.709, unofficial fourcc + FOURCC_U420 = FOURCC('U', '4', '2', '0'), // bt.2020, unofficial fourcc + FOURCC_U422 = FOURCC('U', '4', '2', '2'), // bt.2020, unofficial fourcc + FOURCC_U444 = FOURCC('U', '4', '4', '4'), // bt.2020, unofficial fourcc + FOURCC_F010 = FOURCC('F', '0', '1', '0'), // bt.709 full range 10 bit 420 + FOURCC_H010 = FOURCC('H', '0', '1', '0'), // bt.709 10 bit 420 + FOURCC_U010 = FOURCC('U', '0', '1', '0'), // bt.2020 10 bit 420 + FOURCC_F210 = FOURCC('F', '2', '1', '0'), // bt.709 full range 10 bit 422 + FOURCC_H210 = FOURCC('H', '2', '1', '0'), // bt.709 10 bit 422 + FOURCC_U210 = FOURCC('U', '2', '1', '0'), // bt.2020 10 bit 422 + FOURCC_P010 = FOURCC('P', '0', '1', '0'), + FOURCC_P210 = FOURCC('P', '2', '1', '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. + + // deprecated formats. Not supported, but defined for backward compatibility. + FOURCC_I411 = FOURCC('I', '4', '1', '1'), + FOURCC_Q420 = FOURCC('Q', '4', '2', '0'), + 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'), + 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, // deprecated + FOURCC_BPP_Q420 = 12, + FOURCC_BPP_ARGB = 32, + FOURCC_BPP_BGRA = 32, + FOURCC_BPP_ABGR = 32, + FOURCC_BPP_RGBA = 32, + FOURCC_BPP_AR30 = 32, + FOURCC_BPP_AB30 = 32, + FOURCC_BPP_AR64 = 64, + FOURCC_BPP_AB64 = 64, + 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_H420 = 12, + FOURCC_BPP_H422 = 16, + FOURCC_BPP_I010 = 15, + FOURCC_BPP_I210 = 20, + FOURCC_BPP_H010 = 15, + FOURCC_BPP_H210 = 20, + FOURCC_BPP_P010 = 15, + FOURCC_BPP_P210 = 20, + 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_t CanonicalFourCC(uint32_t fourcc); + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif + +#endif // INCLUDE_LIBYUV_VIDEO_COMMON_H_ -- cgit v1.2.3