/*
* 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.
#define FOURCC(a, b, c, d) ( \
(static_cast<uint32>(a)) | (static_cast<uint32>(b) << 8) | \
(static_cast<uint32>(c) << 16) | (static_cast<uint32>(d) << 24))
// 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
enum FourCC {
// Canonical fourcc codes used in our code.
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_YV12 = FOURCC('Y', 'V', '1', '2'),
FOURCC_YV16 = FOURCC('Y', 'V', '1', '6'),
FOURCC_YV24 = FOURCC('Y', 'V', '2', '4'),
FOURCC_YUY2 = FOURCC('Y', 'U', 'Y', '2'),
FOURCC_UYVY = FOURCC('U', 'Y', 'V', 'Y'),
FOURCC_M420 = FOURCC('M', '4', '2', '0'),
FOURCC_Q420 = FOURCC('Q', '4', '2', '0'),
FOURCC_V210 = FOURCC('V', '2', '1', '0'),
FOURCC_24BG = FOURCC('2', '4', 'B', 'G'),
FOURCC_ABGR = FOURCC('A', 'B', 'G', 'R'),
FOURCC_BGRA = FOURCC('B', 'G', 'R', 'A'),
FOURCC_ARGB = FOURCC('A', 'R', 'G', 'B'),
FOURCC_RGBP = FOURCC('R', 'G', 'B', 'P'), // bgr565.
FOURCC_RGBO = FOURCC('R', 'G', 'B', 'O'), // abgr1555.
FOURCC_R444 = FOURCC('R', '4', '4', '4'), // argb4444.
FOURCC_RAW = FOURCC('r', 'a', 'w', ' '),
FOURCC_NV21 = FOURCC('N', 'V', '2', '1'),
FOURCC_NV12 = FOURCC('N', 'V', '1', '2'),
FOURCC_MJPG = FOURCC('M', 'J', 'P', 'G'),
FOURCC_H264 = FOURCC('H', '2', '6', '4'),
// Next four are Bayer RGB formats. The four characters define the order of
// the colours in each 2x2 pixel grid, going left-to-right and top-to-bottom.
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'),
// Aliases for canonical fourcc codes, replaced with their canonical
// equivalents by CanonicalFourCC().
FOURCC_IYUV = FOURCC('I', 'Y', 'U', 'V'), // Alias for I420.
FOURCC_YU12 = FOURCC('Y', 'U', '1', '2'), // 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.
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.
// Match any fourcc.
FOURCC_ANY = 0xFFFFFFFF,
};
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_YV12 = 12,
FOURCC_BPP_YV16 = 16,
FOURCC_BPP_YV24 = 24,
FOURCC_BPP_YUY2 = 16,
FOURCC_BPP_UYVY = 16,
FOURCC_BPP_M420 = 12,
FOURCC_BPP_Q420 = 12,
FOURCC_BPP_V210 = 22, // 22.5 actually
FOURCC_BPP_24BG = 24,
FOURCC_BPP_ABGR = 32,
FOURCC_BPP_BGRA = 32,
FOURCC_BPP_ARGB = 32,
FOURCC_BPP_RGBP = 16,
FOURCC_BPP_RGBO = 16,
FOURCC_BPP_R444 = 16,
FOURCC_BPP_RAW = 24,
FOURCC_BPP_NV21 = 12,
FOURCC_BPP_NV12 = 12,
FOURCC_BPP_MJPG = 0, // 0 means unknown.
FOURCC_BPP_H264 = 0,
// Next four are Bayer RGB formats. The four characters define the order of
// the colours in each 2x2 pixel grid, going left-to-right and top-to-bottom.
FOURCC_BPP_RGGB = 8,
FOURCC_BPP_BGGR = 8,
FOURCC_BPP_GRBG = 8,
FOURCC_BPP_GBRG = 8,
// Aliases for canonical fourcc codes, replaced with their canonical
// equivalents by CanonicalFourCC().
FOURCC_BPP_IYUV = 12,
FOURCC_BPP_YU12 = 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,
// Match any fourcc.
FOURCC_BPP_ANY = 0, // 0 means unknown.
};
// Converts fourcc aliases into canonical ones.
uint32 CanonicalFourCC(uint32 fourcc);
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif
#endif // INCLUDE_LIBYUV_VIDEO_COMMON_H_ NOLINT