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-rw-r--r--files/include/libyuv/video_common.h103
1 files changed, 64 insertions, 39 deletions
diff --git a/files/include/libyuv/video_common.h b/files/include/libyuv/video_common.h
index 5d812c98..ad934e42 100644
--- a/files/include/libyuv/video_common.h
+++ b/files/include/libyuv/video_common.h
@@ -4,7 +4,7 @@
* 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
+ * in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
@@ -27,9 +27,15 @@ extern "C" {
// 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<uint32>(a)) | (static_cast<uint32>(b) << 8) | \
(static_cast<uint32>(c) << 16) | (static_cast<uint32>(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
@@ -38,59 +44,79 @@ extern "C" {
// 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 {
- // Canonical fourcc codes used in our code.
+ // 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_YU12 = FOURCC('Y', 'U', '1', '2'), // Linux version of I420.
- FOURCC_YV12 = FOURCC('Y', 'V', '1', '2'),
- FOURCC_YV16 = FOURCC('Y', 'V', '1', '6'),
- FOURCC_YV24 = FOURCC('Y', 'V', '2', '4'),
+ 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'),
- FOURCC_V210 = FOURCC('V', '2', '1', '0'),
- FOURCC_24BG = FOURCC('2', '4', 'B', 'G'),
+ FOURCC_Q420 = FOURCC('Q', '4', '2', '0'), // deprecated.
+
+ // 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_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.
+ FOURCC_24BG = FOURCC('2', '4', 'B', 'G'),
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_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. deprecated.
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().
+ // 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'), // unofficial fourcc
+ FOURCC_H420 = FOURCC('H', '4', '2', '0'), // unofficial fourcc
+
+ // 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.
+ 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 = 0xFFFFFFFF,
+ FOURCC_ANY = -1,
};
enum FourCCBpp {
@@ -100,37 +126,34 @@ enum FourCCBpp {
FOURCC_BPP_I444 = 24,
FOURCC_BPP_I411 = 12,
FOURCC_BPP_I400 = 8,
- FOURCC_BPP_YU12 = 12,
- FOURCC_BPP_YV12 = 12,
- FOURCC_BPP_YV16 = 16,
- FOURCC_BPP_YV24 = 24,
+ 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_V210 = 22, // 128 / 6 actually.
- FOURCC_BPP_24BG = 24,
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_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_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_MJPG = 0, // 0 means unknown.
+ FOURCC_BPP_H264 = 0,
FOURCC_BPP_IYUV = 12,
FOURCC_BPP_YU16 = 16,
FOURCC_BPP_YU24 = 24,
@@ -143,6 +166,8 @@ enum FourCCBpp {
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.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 08:40:13 +0000