1948 Commits

Author SHA1 Message Date
Wan-Teh Chang
87c797b3c2 Add the ARGBToRGB565Row_SSE2() function back
Add the ARGBToRGB565Row_SSE2() and ARGBToRGB565Row_Any_SSE2() functions
back because they hide the unaligned access in ARGBToRGB565Row_C().

To reproduce the unalgined access error, run the following command in
Google's internal repository:
  blaze test --config=asan third_party/libyuv:libyuv_test \
  --test_filter=LibYUVConvertTest.I420ToARGBToRGB565_Unaligned

Bug: b:547803993
Change-Id: I9cc6b643bc007c100dfc092ef3ec814428789219
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8265046
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Frank Barchard <fbarchard@google.com>
2026-08-17 13:09:01 -07:00
Frank Barchard
0da8e419df ARGBToYMatrixRow_SVE2 fix for ARGBToI400
- set full accumulators to 0
 - uzp1 to convert uint16 to uint8

Bug: 546962730
Change-Id: I19334c3d0da479348f0c1df0a892ca76eb7acc23
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8263170
Commit-Queue: Frank Barchard <fbarchard@google.com>
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2026-08-16 16:31:32 -07:00
Wan-Teh Chang
5bbceb1bb2 Disable SVE2 functions that caused test failures
The following macros are disabled because they caused test failures:
    HAS_ARGBTOYMATRIXROW_SVE2
    HAS_HALFMERGEUVROW_SVE2
    HAS_UYVYTOUVROW_SVE2
    HAS_YUY2TOUVROW_SVE2

HAS_ARGBTOYMATRIXROW_SME is also disabled because ARGBToYMatrixRow_SME()
has the same code as ARGBToYMatrixRow_SVE2().

Bug: 546962730
Change-Id: Ic590e809443585ee66c609ff8ba6b6f0e40300c9
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8261763
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Frank Barchard <fbarchard@google.com>
2026-08-16 14:06:11 -07:00
Frank Barchard
6fa5264292 ARGBToRGB565Dither fix for unaligned dither matrix
Copy dither4x4 (16 bytes) into an aligned local uint32_t dither4[4] array
using memcpy and index using dither4[y & 3] to avoid unaligned 32-bit
pointer dereference traps in fastbuild / UB sanitizers.

Bug: None
Test: LibYUVConvertTest.TestNoDither, LibYUVConvertTest.TestDither
Change-Id: I4447cd2924b16739a9bce2792d57a550dedeb345
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8262354
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2026-08-14 17:27:08 -07:00
Frank Barchard
c20b35a7bc I420ToAR30 add avx512bw support
Benchmark for 720p 1000 images
CPU Architecture          AVX2 (us)   AVX512 (us)   Speedup    Change
---------------------------------------------------------------------
Intel Skylake                325          229        1.42x     -29.5%
Intel Cascade Lake           289          213        1.36x     -26.3%
Intel Granite Rapids         209          168        1.24x     -19.6%
AMD Zen 4                    168          165        1.02x      -1.8%
AMD Zen 5 (Turin)            180          112        1.61x     -37.8%

Bug: None
Change-Id: I3d07c9b36196305ba7ff63973246c080ff872367
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8251940
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
2026-08-13 15:40:19 -07:00
Frank Barchard
eac1ea9744 I410ToI420 use 1 step HalfWidthRow function for UV
On Icelake
Was C+AVX512
I410ToI420_Opt (593 ms)
I412ToI420_Opt (581 ms)
Now AVX512
I410ToI420_Opt (241 ms)
I412ToI420_Opt (227 ms)
 60.28% HalfWidthRow_16To8_AVX512BW
 32.34% Convert16To8Row_AVX512BW

Samsung S25 Oryon
Was C+NEON
I410ToI420_Opt (141 ms)
I412ToI420_Opt (127 ms)
Now NEON
I410ToI420_Opt (89 ms)
I412ToI420_Opt (88 ms)

Vivo X300 lunix c1
Was C+NEON
I410ToI420_Opt (682 ms)
I412ToI420_Opt (679 ms)
With SVE2 (slow)
I410ToI420_Opt (622 ms)
I412ToI420_Opt (584 ms)
 65.59% HalfWidthRow_16To8_SVE2
 26.74% Convert16To8Row_SVE2
Now NEON
I410ToI420_Opt (412 ms)
I412ToI420_Opt (406 ms)

Bug: chromium:531172025
Change-Id: I1732157f6be660d2a01086f21daf85fe7f7d166f
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8230200
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2026-08-10 18:19:25 -07:00
Wan-Teh Chang
c409140ff6 Correct vin/vout buffer sizes in ANY21S and ANY13
Tested:
libyuv_unittest --gtest_filter=LibYUVConvertTest.YUY2ToNV12Overflow
libyuv_unittest --gtest_filter=LibYUVPlanarTest.SplitRGBPlaneOverflow
libyuv_unittest --gtest_filter=LibYUVPlanarTest.SplitARGBPlaneOverflow

Bug: chromium:543078936
Change-Id: I45cc5ec912612b09ac720e3bdefa11c8ad503098
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8219514
Reviewed-by: Frank Barchard <fbarchard@google.com>
Commit-Queue: Wan-Teh Chang <wtc@google.com>
2026-08-10 14:20:54 -07:00
Frank Barchard
5dc477899b Harden I21xToI420 against oversize heights
I21xToI420 (reached via I210ToI420 / I212ToI420): fix integer overflows
in ScalePlaneVertical_16To8() by switching to HalfRow_16To8.

Add a unit test covering the I21x vertical-scale path. Co-authored-by:
Timothy Nikkel <tnikkel@mozilla.com> Test: libyuv_unittest
--gtest_filter=*.I21xToI420NoHeightOverflow

AMD Zen4
 Was LibYUVConvertTest.I210ToI420_Opt (81 ms)
  30.32% Convert16To8Row_AVX2
  29.81% Convert16To8Row_AVX512BW
  25.72% InterpolateRow_16To8_AVX2

 Now LibYUVConvertTest.I210ToI420_Opt (56 ms)
  41.32% Convert16To8Row_AVX512BW
  40.13% HalfRow_16To8_AVX512BW

Vivo X300 (ARM Lunix C1 Ultra)
 Was LibYUVConvertTest.I210ToI420_Opt (89 ms)
  38.95% InterpolateRow_16To8_NEON
  37.25% Convert16To8Row_NEON

 Now LibYUVConvertTest.I210ToI420_Opt (85 ms)
  47.26% Convert16To8Row_SVE2
  30.39% HalfRow_16To8_SVE2

Bug: chromium:531172025
Change-Id: I23e1215030c40b8577d58617098a8aeec27dd99a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8221883
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-08-08 12:11:18 -07:00
Frank Barchard
149568401f SVE2 row functions needed for multipass image functions
- MergeUVRow_SVE2: Interleaves U and V
 - SplitUVRow_SVE2: De-interleaves UV
 - InterpolateRow_SVE2: Bilinear row interpolation
 - YUY2ToYRow_SVE2, YUY2ToUVRow_SVE2, UYVYToYRow_SVE2, UYVYToUVRow_SVE2
 - HalfMergeUVRow_SVE2: 2:1 vertical averaging of U and V

OnePlus 15 with Qualcomm Snapdragon 8 Elite Gen 5 Oryon V3

Benchmark (1280x720 1000x)     | SVE2   | NEON   | Result
-------------------------------+--------+--------+------------------
TestInterpolatePlane           | 119 ms | 164 ms | SVE2 is 1.38x win
TestInterpolatePlane_16        | 138 ms | 172 ms | SVE2 is 1.25x win
SplitUVPlane_Opt               |  68 ms |  69 ms | SVE2 is 1.01x win
MergeUVPlane_Opt               |  40 ms |  40 ms | Tied
SwapUVPlane_Opt                |  72 ms |  72 ms | Tied
HalfMergeUVPlane_Opt           |  50 ms |  50 ms | Tied
I420ToNV12_Opt                 |  25 ms |  26 ms | SVE2 is faster
I420ToNV21_Opt                 |  26 ms |  26 ms | Tied
YUY2ToNV12_Opt                 |  79 ms |  81 ms | SVE2 is faster
NV21ToNV12_Opt                 |  36 ms |  35 ms | Tied
Android420ToI420ToNV12_Opt     |  53 ms |  53 ms | Tied
Android420ToI420ToNV21_Opt     |  35 ms |  33 ms | NEON is faster
YUY2ToI420_Opt                 |  87 ms |  84 ms | NEON is faster
UYVYToI420_Opt                 |  87 ms |  83 ms | NEON is faster
YUY2ToI422_Opt                 | 101 ms |  97 ms | NEON is faster
UYVYToI422_Opt                 | 101 ms |  97 ms | NEON is faster
UYVYToNV12_Opt                 | 111 ms | 108 ms | NEON is faster
ARGBToNV21_Opt                 | 279 ms | 279 ms | Tied
ABGRToNV21_Opt                 | 279 ms | 280 ms | SVE2 is faster
ARGBToNV12_Opt                 | 285 ms | 280 ms | NEON is faster
ABGRToNV12_Opt                 | 284 ms | 281 ms | NEON is faster

Bug: 42280902
Change-Id: I53f633fe453f2853f7bc9fe17280e938912c4e8f
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8196068
Reviewed-by: Justin Green <greenjustin@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-08-06 12:40:26 -07:00
Wan-Teh Chang
a86d27122a Export the ARGBToNV21Matrix() function
Change-Id: If6edc42e8491bfc0973fe6134b6d6923e9d3befd
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8198925
Reviewed-by: Frank Barchard <fbarchard@google.com>
Commit-Queue: Wan-Teh Chang <wtc@google.com>
2026-08-05 19:19:46 -07:00
Frank Barchard
7138e0a2a7 Make RGBToY a 1 pass avx512bw
- RGBToARGB use vpermi2q+vpshufb
- direct RGBToY for avx512 and rvv

+----------+----------+-------------+----------+---------+-----------+
| ARGBToY  | ARGBToUV | ARGBToUV444 | RGBToY   | RGBToUV | RGBToUV444|
+----------+----------+-------------+----------+---------+-----------+
| avx512bw | avx512bw | avx512bw    | avx512bw | 2 step  | 2 step    |
| avx2     | avx2     | avx2        | 2 step   | 2 step  | 2 step    |
| ssse3    | ssse3    | ssse3       | 2 step   | 2 step  | 2 step    |
| dot      | i8mm     | i8mm        | dot      | neon    | neon      |
| sve2     | sve2     | -           | -        | -       | -         |
| sme      | sme      | -           | -        | -       | -         |
| rvv      | rvv      | rvv         | rvv      | rvv     | rvv       |
+----------+----------+-------------+----------+---------+-----------+


Bug: 42280902
Change-Id: I9f83bf3039431f9fb5391bd7d9eb393e186d6bcf
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8175442
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-08-03 17:53:19 -07:00
Frank Barchard
0148582bb8 Change all 1 use wrappers to matrix calls
Bug: 42280902
Change-Id: Ieccb1e8eeaec3064fc5d36d2f1233fd38eb2a128
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8177647
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-07-31 17:29:30 -07:00
Frank Barchard
1a746db4ce Remove unused wrappers for 'matrix' functions
Bug: 42280902
Change-Id: Idbc757e10d1bcf276ce00dbdd07a39f4ad01a5af
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8177664
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-07-30 19:03:49 -07:00
Frank Barchard
c1e9e69826 [libyuv] Fix 32-bit x86 register constraint in I422ToRGB24Row_AVX2
android_x86 was running out registers

Using "+m" for width on __i386__ (matching the convention in
SSSE3 row functions) makes width a stack variable instead

Was
   3800 |       "vbroadcasti128 16+%[kShuffleMaskARGBToRGB24],%%ymm5 \n"
        |       ^
  1 error generated.

Test: libyuv_unittest --gunit_filter=*I422ToRGB24*
Bug: 42280902
Change-Id: I7e5e22e9e15b68be942c85dd3b7e233e9f4f1351
TAG=agy
CONV=5c8b22e3-9f50-4ace-b1d5-007ddf688477
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8127620
Reviewed-by: James Zern <jzern@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-07-20 23:35:02 -07:00
Frank Barchard
86a4d94d7a I420ToRAW and I420ToRGB24 1 pass AVX2 and AVX512VBMI
- Implemented `I422ToRGB24Row_AVX2` and `I422ToRGB24Row_AVX512VBMI` in:
 - `row_gcc.cc`: Inline assembly for GCC/Clang.
 - `row_win.cc`: C++ intrinsics for MSVC (also verified with Clang).

Reduced width alignment requirement: changed from 32-pixel to 16-pixel
alignment in `convert_argb.cc` and `row_any.cc`. This allows the AVX2
path to be used for more common video resolutions.

```
I420ToRAW vs Rust on Icelake Xeon
Size        I420ToRAW     yuv420_to_rgb  iterations
-------     ---------   ---------------  ----------
640x480         57 us    77.377 µs/iter     3000
1280x720       170 us   221.671 µs/iter     1000
1920x1080      396 us   494.324 µs/iter      500
3840x2160     2040 us      2357 µs/iter      200
```

Bug: 42280902
Change-Id: I07c0505c95410ea16a6218c858844791a11ef073
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7908323
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-07-20 18:15:10 -07:00
Frank Barchard
5d03bf9bab vdpphps use emit to support old compilers
tested with sde
sde -dmr -- ../../../blaze-bin/third_party/libyuv/cpuid
Kernel Version 6.18
Cpu Vendor: GenuineIntel
Cpu Family 79 (0x4f), Model 1 (0x1)
Has X86 0x8
Has SSE2 0x100
Has SSSE3 0x200
Has SSE4.1 0x400
Has SSE4.2 0x800
Has AVX 0x1000
Has AVX2 0x2000
Has ERMS 0x4000
Has FSMR 0x8000
Has FMA3 0x10000
Has F16C 0x20000
Has AVX512BW 0x40000
Has AVX512VL 0x80000
Has AVX512VNNI 0x100000
Has AVX512VBMI 0x200000
Has AVX512VBMI2 0x400000
Has AVX512VBITALG 0x800000
Has AVX10 0x1000000
Has AVX10_2 0x2000000
HAS AVXVNNI 0x4000000
Has AVXVNNIINT8 0x8000000
Has AMXINT8 0x10000000
Has AVX512BMM 0x0
Testing VDPPHPS instruction... Works!

Bug: 531835144
Change-Id: I1f4be9a441ffc3f4c73c7d001f6b2f66b697b862
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8048880
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2026-07-06 15:51:14 -07:00
Timothy Nikkel
8e8139a504 Remove duplicate HAS_RGBTOUVMATRIXROW_NEON define breaking GCC aarch64
HAS_RGBTOUVMATRIXROW_NEON is defined under

  #if !defined(__GNUC__) || defined(__clang__)

to disable the NEON matrix-row path on plain GCC, where the inline asm
in ARGBToUVMatrixRow_NEON (which RGBToUVMatrixRow_NEON depends on) is
not available. However it is also defined unconditionally in the
AArch64 block, among the _I8MM defines, and is almost certainly a
copy/paste of HAS_ARGBTOUVMATRIXROW_NEON_I8MM with the suffix dropped.

On GCC/aarch64 this re-enables the call sites in convert.cc and
row_any.cc, while the definition of RGBToUVMatrixRow_NEON in
row_common.cc (guarded by HAS_ARGBTOUVMATRIXROW_NEON &&
HAS_RGB24TOARGBROW_NEON) stays disabled, producing a link failure:

  convert.cc: undefined reference to 'RGBToUVMatrixRow_NEON'
  row_any.cc: undefined reference to 'RGBToUVMatrixRow_NEON'

There is no RGBToUVMatrixRow_NEON_I8MM function, so the line is simply
removed rather than renamed.

Bug: None
Change-Id: Ia13894f6477507e4ebfefc2e1a9f087c53ee467a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7960369
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Frank Barchard <fbarchard@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
2026-07-01 15:33:02 -07:00
Frank Barchard
d23308a2a7 add bmm detect and vdpphps in util/cpuid
Bug: None
Change-Id: I9954f96a74e653e3ecd3fbeba533299fa8e57d95
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7914867
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-06-09 14:52:48 -07:00
Frank Barchard
3bdb3b94ca I420ToRAW use 2 step AVX512
On Icelake
Was AVX2
I420ToRAW_Opt (283 ms)
  67.55%  I422ToARGBRow_AVX2
  26.46%  ARGBToRGB24Row_AVX2

Now AVX512VBMI
I420ToRAW_Opt (238 ms)
  73.08%  I422ToARGBRow_AVX512BW
  21.59%  ARGBToRGB24Row_AVX512VBMI

Bug: 42280902
Change-Id: I9d4d21faed30c529a5e593819f103be115709f37
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7909924
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-06-08 14:32:13 -07:00
Frank Barchard
4be798d7c5 BGRAToI420 use BgraConstants for a direct conversion using AVX512BW
row win (msvc)
Was C/SSSE3
BGRAToARGB_Opt (594 ms)
BGRAToARGB_Endswap_Opt (609 ms)
BGRAToI420_Opt (122 ms)

Now AVX2
BGRAToARGB_Opt (100 ms)
BGRAToARGB_Endswap_Opt (99 ms)
BGRAToI420_Opt (115 ms)

Clang/GCC AVX512BW
BGRAToARGB_Opt (86 ms)
BGRAToARGB_Endswap_Opt (91 ms)
BGRAToI420_Opt (110 ms)


Bug: 42280902
Change-Id: I52cb2b0cacea8f2f0b138ec3cc521185dbef8595
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7905821
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-06-08 12:21:47 -07:00
Frank Barchard
e14b0e2c60 RGB565ToARGB use AVX2 instead of SSE2
Now AVX2/AVX512
ARGB4444ToI420_Opt (204 ms)
RGB565ToI420_Opt (211 ms)
ARGB1555ToI420_Opt (231 ms)
RAWToI420_Opt (197 ms)
RGB24ToI420_Opt (197 ms)

Was SSE2/AVX2
ARGB4444ToI420_Opt (276 ms)
RGB565ToI420_Opt (292 ms)
ARGB1555ToI420_Opt (332 ms)
RAWToI420_Opt (237 ms)
RGB24ToI420_Opt (232 ms)

Bug: libyuv:508639302
Change-Id: I2005189d1b6af15cb5ebef1f6d66b426fa9df8eb
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7891416
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-06-02 18:28:02 -07:00
Frank Barchard
3c5fa6ef27 libyuv] Replace hardcoded RGB to YUV functions with Matrix variants
Removes non-matrix implementations for RGB24, RAW, RGB565, ARGB1555,
and ARGB4444 conversions. Introduces RGBToYMatrixRow, RGBToUVMatrixRow,
and equivalent functions for 16-bit and 24-bit formats. These functions
utilize a 2-step conversion internally (to ARGB, then to YUV) inside
row_common.cc for C, AVX2, and NEON, allowing the high-level
convert.cc logic to execute in a single pass using ArgbConstants.

Benchmark on Zen4
Test: libyuv_unittest --gtest_filter=*RGB*ToI420*

Was BT.601-only
ARGBToI420_Opt (115 ms)
ARGB4444ToI420_Opt (190 ms)
RGB565ToI420_Opt (194 ms)
ARGB1555ToI420_Opt (207 ms)
RGB24ToI420_Opt (143 ms)
RGBAToI420_Opt (167 ms)
28.07% ARGBToUVMatrixRow_AVX512BW
19.65% ARGBToYMatrixRow_AVX512BW
11.32% RGBAToUVRow_SSSE3
10.24% ARGB1555ToARGBRow_SSE2
 8.56% ARGB4444ToARGBRow_SSE2
 8.47% RGB565ToARGBRow_SSE2
 4.17% RGBAToYRow_AVX512BW
 4.04% RGB24ToARGBRow_AVX512BW

Now Matrix
ARGBToI420_Opt (124 ms)
ARGB4444ToI420_Opt (287 ms)
RGB565ToI420_Opt (292 ms)
ARGB1555ToI420_Opt (324 ms)
RGB24ToI420_Opt (236 ms)
RGBAToI420_Opt (126 ms)
29.74% ARGBToUVMatrixRow_AVX2
14.58% ARGB1555ToARGBRow_SSE2
12.59% RGB565ToARGBRow_SSE2
11.32% ARGB4444ToARGBRow_SSE2
 9.35% ARGBToYMatrixRow_AVX2
 8.45% RGB24ToARGBRow_SSSE3
 5.56% ARGBToYMatrixRow_AVX512BW
 1.37% ARGBToUVMatrixRow_Any_AVX2
 0.74% ARGBToYMatrixRow_Any_AVX2
 0.49% ARGB4444ToARGBRow_Any_SSE2
 0.46% RGB565ToARGBRow_Any_SSE2
 0.39% ARGB1555ToARGBRow_Any_SSE2
 0.28% RGB24ToARGBRow_Any_SSSE3
 0.11% ARGB4444ToYMatrixRow_AVX2
 0.09% RGB565ToUVMatrixRow_AVX2
 0.09% RGB565ToYMatrixRow_AVX2
 0.07% RGBToYMatrixRow_AVX2
 0.05% ARGB1555ToUVMatrixRow_AVX2
 0.04% ARGB1555ToYMatrixRow_AVX2
 0.03% RGBToUVMatrixRow_AVX2
 0.02% ARGB4444ToUVMatrixRow_AVX2

Bug: libyuv:508639302
Change-Id: I362c0cfe4c86ee1f3ffb569fa4f784b84148f11a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7891045
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-06-01 14:04:07 -07:00
Wan-Teh Chang
d2c6dd5e6a Fix integer overflow in two convert functions
Fix integer overflow in buffer allocation size calculations in the
align_buffer_64() macro and the I422ToNV21() and
Android420ToARGBMatrix() functions.

Based on a CL autogenerated by MendIt (go/androidmendit):
https://googleplex-android-review.googlesource.com/c/platform/external/libyuv/+/39981732

Bug: 511821134
Change-Id: Ie1728c3ad337d460d9b85979489a817cc97e3bf3
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7886817
Reviewed-by: Frank Barchard <fbarchard@google.com>
Commit-Queue: Wan-Teh Chang <wtc@google.com>
2026-05-29 19:26:14 -07:00
Wan-Teh Chang
c98edcc8dc Don't coalesce rows if width*height would overflow
Audit all occurrences of "width *= height;" in the libyuv source code.
Make sure height > 0 and (ptrdiff_t)width * height <= INT_MAX before
executing width *= height.

Bug: chromium:517339758
Change-Id: I143a41c66492a6e4c48b6aa2a1c4a2ae974ceeb1
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7883816
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Frank Barchard <fbarchard@google.com>
2026-05-29 11:57:47 -07:00
Frank Barchard
e449eb2172 J400ToARGB switch from SSE2 to AVX2
- port for row_win
- remove unused HAS_ macros

Was C/SSE2
MSVC  J400ToARGB_Opt (1967 ms)
Clang J400ToARGB_Opt (568 ms)

Now AVX2
MSVC  J400ToARGB_Opt (411 ms)
Clang J400ToARGB_Opt (418 ms)

Test: libyuv_unittest --gtest_filter=*J400ToARGB*
Bug: libyuv:508639302

Change-Id: Ifdfb026832b708b61f55477250cc5ee52449f421
TAG=agy
CONV=186608fc-966a-4ea7-bf57-9fe07cc1383c
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7877368
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: Justin Green <greenjustin@google.com>
2026-05-28 21:24:32 -07:00
Frank Barchard
9d98aaefe7 InterpolateRow for Visual C
- remove InterpolateRow_SSSE3
- optimize ARGBToUV444MatrixRow_AVX2 to use unsigned pixels

5.7x faster on AMD Zen4

Was C
TestInterpolatePlane (144 ms)
TestInterpolatePlane_16 (142 ms)

Now AVX2
TestInterpolatePlane (25 ms)
TestInterpolatePlane_16 (48 ms)

Was signed
ARGBToJ444_Opt (157 ms)
Now unsigned
ARGBToJ444_Opt (155 ms)

Bug: None
Change-Id: I903109668ff9cfedaddad1ad75411393b3226f41
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7856498
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-05-18 17:28:46 -07:00
Frank Barchard
9f751100d2 InterpolateRow_16_AVX2 for row_gcc
On AMD Zen4
Was C
TestInterpolatePlane_16 (143 ms)
Now AVX2
TestInterpolatePlane_16 (48 ms)

Was
I210ToI420_Opt (87 ms)
 35.60% InterpolateRow_16To8_AVX2
 31.03% Convert16To8Row_AVX512BW
 21.35% Convert16To8Row_AVX2

Now
I210ToI420_Opt (69 ms)
 37.57% Convert16To8Row_AVX512BW
 32.69% InterpolateRow_16_AVX2
  7.18% Convert16To8Row_AVX2
  5.23% InterpolateRow_16To8_AVX2

Bug: None
Change-Id: Ica9b9c5dbd847068ae076b682c487e1753d3c812
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7855648
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-05-18 14:29:36 -07:00
Frank Barchard
cda55fcf53 Mirrow AVX2 functions for Visual C
Bug: libyuv:42280902
Change-Id: Iabbec9af3a4f4dd89294e60145823c7fc4dd6ec6
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7843378
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-05-15 15:05:31 -07:00
Frank Barchard
dd8b46630a ARGBToUV444MatrixRow_AVX2 intrinsics for Visual C
Was C
LibYUVConvertTest.ARGBToI444_Opt (1027 ms)

Now AVX2
LibYUVConvertTest.ARGBToI444_Opt (310 ms)

Bug: libyuv:508639302
Change-Id: I0bc7f5c5b72160d24226a98d5fddb184a004ed00
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7841655
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-05-12 14:19:58 -07:00
Frank Barchard
cb061d0378 Unittests use ASSERT instead of EXPECT
Bug: libyuv:508639302
Change-Id: I22c35e08f3b6db1a656192877c1fb1bf4e96d6f5
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7838659
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-05-11 19:10:47 -07:00
Frank Barchard
e23282704f ARGBToYRow_AVX512BW preserve XMM6-XMM15 due to Windows stack alignment
Bug: 505124541
Change-Id: Id5ae539f57b314980182bec76a788e33273b2392
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7835639
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Reviewed-by: James Zern <jzern@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-05-11 13:12:22 -07:00
Frank Barchard
4b4e68b372 ABGRToJ420 call ARGBToI420Matrix
- Standardize libyuv ARGB-family (ARGB, ABGR, RGBA, BGRA) to YUV conversion by utilizing the generic MatrixRow architecture and explicit ArgbConstants.
- Consolidated ARGBToI420, ABGRToI420, BGRAToI420, and RGBAToI420 as wrappers for ARGBToI420Matrix.
- Refactored ABGRToJ420, ABGRToJ422, and ABGRToI422 to use generic matrix functions.
- Added matrix-based versions for NV21, I400, YUY2, and UYVY.
- Updated RAW and RGB24 to I420/I422/I444 dispatchers to use MatrixRow logic and explicit constants.
- Fixed parameter swap bugs in ARGBToI422, ARGBToJ422, and ABGRToJ422.
- Fixed a bug in the generic C implementation of matrix row functions ensuring all 4 channels are processed correctly for all ARGB-family formats.
- Moved kShuffleAARRGGBB in row_gcc.cc to the top of the libyuv namespace for visibility.
- Cleaned up redundant format-specific row implementations.

Bug: libyuv:42280902
Change-Id: I67ffa4c476abc0d2dcc4650510d7bda91b65988e
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7830291
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-05-08 15:23:30 -07:00
Frank Barchard
4aacbbdfb4 Refactored RGB/RAW to YUV color conversion functions to use generic Matrix-based functions parameterized by ArgbConstants.
This consolidation standardizes conversion logic, improves code
maintainability, and provides flexible support for various color spaces
(e.g., BT.601, JPEG full
  range).

Key Modifications:
 - Function Consolidation: Refactored several high-level conversion functions into lightweight wrappers around generic Matrix variants:
     - ARGBToI420 → ARGBToI420Matrix
     - ARGBToI444 → ARGBToI444Matrix
     - ARGBToI422 → ARGBToI422Matrix
     - ARGBToNV12 → ARGBToNV12Matrix
     - RAWToJ400, RGB24ToJ400 → RGBToI400Matrix
     - RAWToI444, RAWToJ444 → RGBToI444Matrix
 - 2-Pass Conversions: Updated RGB565ToI420, ARGB1555ToI420, and ARGB4444ToI420 to utilize 2-pass conversions via RGBToI420Matrix.
 - Standardization: Refactored ARGBToNV21, ARGBToYUY2, and ARGBToUYVY to use parameterized matrix row functions (ARGBToYMatrixRow,
   ARGBToUVMatrixRow).
 - Legacy Cleanup: Replaced legacy calls to ARGBToYJRow with the parameterized ARGBToYMatrixRow in the ARGBSobelize helper.
 - Internal Integration: Included libyuv/convert_from_argb.h in planar_functions.cc and ensured all new matrix symbols are properly
   declared/exported (LIBYUV_API).

Bug: libyuv:42280902
Change-Id: Ied5fd9899767427e3a03cdcfbeaff3e9d502374a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7822033
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-05-06 20:02:47 -07:00
Frank Barchard
561a9780e2 YUV to RGB avoid avx assist
Here are the functions flagged for mixing both SSE and AVX (or AVX-512)
instructions, which can trigger an AVX transition/assist performance
penalty:

Libyuv Functions addressed in this CL
   * I422ToARGBRow_AVX512BW
   * HalfFloatRow_SSE2

Not addressed:
   * ScaleFilterCols_SSSE3

Bug: libyuv:509681367
Change-Id: I8ced6065dfe0c516d05857086393782c8590062a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7814945
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-05-05 12:57:55 -07:00
Frank Barchard
2143edfa7a ARGBToUVMatrixRow_NEON arm32 reimplemented for GCC
Bug: libyuv:508639302
Change-Id: Ib120373d799c66926a64c980873034be262d8848
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7810481
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: Justin Green <greenjustin@google.com>
2026-05-04 11:38:45 -07:00
Frank Barchard
f2ac6db694 RAWToNV21 using SME, SVE, I8MM or Neon
Pixel 9 Now SVE2 2 pass LibYUVConvertTest.RAWToNV21_Opt (364 ms)
 31.76% libyuv::ARGBToUVMatrixRow_SVE_SC()
 30.38% RAWToARGBRow_SVE2
 26.81% ARGBToYMatrixRow_NEON_DotProd
  3.26% MergeUVRow_NEON

Was NEON 1 pass LibYUVConvertTest.RAWToJNV21_Opt (295 ms)
 44.14% RAWToYJRow_NEON
 41.91% RAWToUVJRow_NEON
  5.11% MergeUVRow_NEON

Clang on Intel Skylake clang [ OK ] LibYUVConvertTest.RAWToJNV21_Opt
(301 ms) visual c (row_win) [ OK ] LibYUVConvertTest.RAWToJNV21_Opt
(2056 ms)

clang [ OK ] LibYUVConvertTest.RAWToJNV21_Opt (275 ms) visual c [ OK ]
LibYUVConvertTest.RAWToJNV21_Opt (365 ms)

Bug: libyuv:42280902
Change-Id: Iaba558ebe96ce6b9881ee9335ba72b8aac390cde
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7802432
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
2026-04-29 13:11:04 -07:00
Wan-Teh Chang
a7849e8a5e Fix yi * src_stride overflow in ScalePlaneVertical
Fix int overflow of yi * src_stride overflow in ScalePlaneVertical(),
ScalePlaneVertical_16(), and ScalePlaneVertical_16To8() by casting the
operand src_stride to ptrdiff_t.

Adapted from the patches by Victor Miura <vmiura@google.com>.

Bug: 505814332
Change-Id: I4a4751041a213f7208b01eb18c43c9e196a36261
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7796558
Commit-Queue: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Frank Barchard <fbarchard@google.com>
2026-04-28 12:34:12 -07:00
Frank Barchard
4afb965416 RAWToARGB use AVX512BW
Bug: libyuv:42280902
Change-Id: I7a80fd64d97b6d411316819df0fd917d609a173b
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7787163
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-04-22 16:56:46 -07:00
Frank Barchard
bd2c4c76ec RAWToARGB AVX512VBMI
Bug: libyuv:42280902
Change-Id: I1c7f432f004079357a00515785bc524c459ed4b9
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7787160
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-04-22 14:48:29 -07:00
Frank Barchard
d445250d8b Replace RAWToY/RGB24ToY with RGBToYMatrix
Bug: libyuv:42280902
Change-Id: I6ddebd492036c416550fc045eb39493dea73246b
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7784094
Commit-Queue: Frank Barchard <fbarchard@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-04-21 17:11:14 -07:00
Frank Barchard
81f698829b Add RGBToNV21Matrix function
- implement wrappers with RAW, RGB24, NV21 and JNV21 to call it.

Zen5
Was [       OK ] LibYUVConvertTest.RAWToJNV21_Opt (1146 ms)
Now [       OK ] LibYUVConvertTest.RAWToJNV21_Opt (1446 ms)
reason - the new code uses 1 pass for RAWToY but 2 pass for RAWToARGB,ARGBToUV.  needs 1 RGBToUV

Bug: libyuv:42280902
Change-Id: Ife6fbed0829484045409e6d42b85cec1d1fd6052
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7780026
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-04-20 18:03:34 -07:00
Frank Barchard
9f13b2814d add RGBToYMatrixRow_AVX2
Adds RGBToYMatrixRow_AVX2 which reads 24 bit RGB values by reading 3 vectors instead of 4 and permutes them into 4 ARGB vectors before conversion.
Also adds RGBToYMatrixRow_Opt and RGBToYMatrixRow_2Step_Opt to convert_argb_test.cc to benchmark and compare the direct AVX2 conversion vs a 2-step approach.

./libyuv_test '--gunit_filter=*RAWToJ400_Opt' --libyuv_width=1280 --libyuv_height=720 --libyuv_repeat=10000 --libyuv_flags=-1 --libyuv_cpu_info=-1

AMD Zen 5
Was LibYUVConvertTest.RAWToJ400_Opt (757 ms)
Now LibYUVConvertTest.RAWToJ400_Opt (699 ms)

Intel Skylake
Was LibYUVConvertTest.RAWToJ400_Opt (1705 ms)
Now LibYUVConvertTest.RAWToJ400_Opt (1426 ms)

Bug: 477295731
Change-Id: I29866baf4ad5fe7a3725e4a01f2fe24649510a7d
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7777325
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Justin Green <greenjustin@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2026-04-20 12:52:44 -07:00
Frank Barchard
ddc6764d13 ARGBToUVMatrixRow_RVV replace vlseg8 with vlseg4,
implementing horizontal paired adds and accumulation to improve
performance on SiFive x280, and fixes the remainder logic to use valid
vlseg4 loads. Adds TestARGBToUVRow_Any to test odd-width remainder
handling.

Also fixes a build break for non-RVV compilations by ensuring all RVV
functions and their closing cplusplus braces are correctly wrapped in
#if !defined(LIBYUV_DISABLE_RVV).

Also adds NV12ToNV21 as a macro alias for NV21ToNV12 in
planar_functions.h, as the conversion is bidirectional (swapping byte
pairs in the interleaved chroma plane). (Patch from
https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7762904)

Bug: libyuv:42280902
Change-Id: If2d6cbb3e232d63d43e32aba33fa9b2eee8190e5
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7772164
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-04-17 15:04:45 -07:00
Frank Barchard
ace7c4573c Add ARGBToUV444MatrixRow_RVV, ARGBToUVMatrixRow_RVV, and wrappers
This change implements ARGBToUV444MatrixRow_RVV, ARGBToUVMatrixRow_RVV,
and their wrappers (ARGBToUVRow_RVV, ARGBToUVJRow_RVV, etc.) using RVV
intrinsics, mirroring the NEON/AVX2 designs. It wires them into the
build and dispatch systems.

LIBYUV_RVV_HAS_TUPLE_TYPE is always true on new compilers. This macro
has been removed, assuming it is true everywhere, reducing the amount of
code in row_rvv.cc, scale_rvv.cc, and row.h.

Tested via: ~/bin/doyuv3v && ~/bin/runyuv3v TestARGBToI444Matrix
~/bin/doyuv3av

Bug: libyuv:42280902
Change-Id: I36d305386b297d69023c068aa9c62ab6b2ad039c
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7769956
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2026-04-16 20:52:43 -07:00
Frank Barchard
94644361b4 row_win.cc rewrite into intrinsics
- remove inline asm which was only for 32 bit
- add ARGBToYMatrixRow_AVX2
- add gn flag libyuv_enable_rowwin=true

Example of building with GN and Ninja:

Without the new flag:
  gn gen out/Release "--args=is_debug=false"
  ninja -C out/Release

With the new flag:
 gn gen out/Release "--args=is_debug=false libyuv_enable_rowwin=true"
 ninja -C out/Release

Bug: libyuv:42280806, 477295731, libyuv:42280902, libyuv:439628764
R=​dalecurtis@chromium.org, rrwinterton@gmail.com

Change-Id: I451bf814622fba690005c02fbf5816819c6a08c2
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7765790
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2026-04-15 19:53:16 -07:00
Frank Barchard
e034c41661 Port ARGBToUVMatrixRow from AVX2 to AVX512BW
Benchmark on Icelake Xeon
Now AVX512BW:
[       OK ] LibYUVConvertTest.ARGBToNV12_Opt (1723 ms)
Was AVX2:
[       OK ] LibYUVConvertTest.ARGBToNV12_Opt (2144 ms)

- Added `ARGBToUVMatrixRow_AVX512BW` implementation in `source/row_gcc.cc`.
- Added corresponding `ARGBToUVRow_AVX512BW` and `ABGRToUVRow_AVX512BW` functions.
- Added unaligned wrappers `ARGBToUVRow_Any_AVX512BW` and `ABGRToUVRow_Any_AVX512BW` in `source/row_any.cc`.
- Updated `source/row_any.cc` to correctly size `vin` and `vout` buffers for AVX512BW width and adjusted the `ANY12MS` and `ANY12S` macros to handle `MASK=63`.
- Updated `include/libyuv/row.h` with the required AVX512BW headers and definitions, scoped appropriately.
- Wired all callers of `ARGBToUVRow_AVX2` and related functions in `source/convert.cc` and `source/convert_from_argb.cc` to dynamically use the `AVX512BW` implementations if the CPU flag indicates AVX-512BW support.
- Optimized AVX-512 code to generate the `-1` multiplier in a single instruction (`vpternlogd`) and reused it across word (`vpmaddwd`) dot products. Handled the resulting negation by replacing a subtraction with `vpaddw` offset adjustment.

Bug: 477295731
R=dalecurtis@chromium.org, rrwinterton@gmail.com

Change-Id: Ida5fb27e59ae4c1c3824737f009b80549cd20a06
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7763257
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2026-04-14 16:15:31 -07:00
Frank Barchard
59ca5d8074 Fix parameter names and comments for ARGB/BGRA/RGBA/ABGR functions
In all functions that start with ARGB, BGRA, RGBA or ABGR in the include/libyuv/ headers, make sure the parameter variable name has the same 4 letters, but lower case, and the comment before the function should have the same matching name. Then make sure the implementation in source/ folder has the same variable names.

Change-Id: Idadbbbb993156eea16e318719f4888cb3bed5f6a
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7760057
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2026-04-13 18:28:37 -07:00
Frank Barchard
893eacf9b4 ARGBToY for AVX512
- add ARGBToYMatrixRow_AVX512BW
- refactor SSE and AVX to use Matrix functions, making old functions
  call the new ones.

Zen5 1280x720
Was AVX2   LibYUVConvertTest.ARGBToI444_Opt (1125 ms)
Now AVX512 LibYUVConvertTest.ARGBToI444_Opt (641 ms)

Details by Gemini:
  1. Created 3 new Matrix functions:
    Added ARGBToYMatrixRow_SSSE3, ARGBToYMatrixRow_AVX2, and
    ARGBToYMatrixRow_AVX512BW to source/row_gcc.cc. These take the
    const struct ArgbConstants* c parameter similarly to
    ARGBToUV444MatrixRow_*. The x86 vector instructions dynamically
    calculate the needed values using the properties of the constants
    struct, including using vpmaddwd inside the AVX512 code to offset
    the lack of a native vphaddw.

  2. Replaced Old Functions with Wrappers:
    Modified the existing implementations of ARGBToYRow_SSSE3,
    ARGBToYJRow_SSSE3, ABGRToYRow_SSSE3, ABGRToYJRow_SSSE3,
    RGBAToYRow_SSSE3, RGBAToYJRow_SSSE3, BGRAToYRow_SSSE3 (and their
    _AVX2 equivalents) in source/row_gcc.cc to act as inline wrappers
    calling the new ARGBToYMatrixRow_* functions, passing the right
    matrix parameters (e.g. &kArgbI601Constants, &kArgbJPEGConstants,
    &kAbgrI601Constants).

  3. Added row_any.cc Handlers:
    Added ANY11MC definitions to source/row_any.cc to autogenerate
    ARGBToYMatrixRow_Any_SSSE3, ARGBToYMatrixRow_Any_AVX2, and
    ARGBToYMatrixRow_Any_AVX512BW which safely handles non-aligned
    tails.

  4. Updated include/libyuv/row.h:
    Updated the headers with the proper void declarations for all newly
    generated Matrix and Any_ variants. Also defined
    HAS_ARGBTOYROW_AVX512BW in the CPU macros.

  5. Tested the Implementations:
    Compiled and tested on Linux x86, which resulted in all tests passing
    cleanly. Also successfully completed all Windows 32-bit build checks
    ensuring 32-bit regression prevention without issues.

Bug: 477295731
Change-Id: I4f5eec9a961e24a9d760d0a1c0810fb5e29a0bd1
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7759494
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-04-13 17:26:07 -07:00
Frank Barchard
4f4e1ac553 Fix 2 failing golden tests
- Add ifdef for LIBYUV_UNLIMITED_DATA

Fixed by Gemini just telling it how to build and run the test and to fix it.

Bug: libyuv:353545922
Change-Id: I117a25b75b9616ee2ce6122aa163c2085ed4dc7d
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7742120
Reviewed-by: James Zern <jzern@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2026-04-09 11:51:13 -07:00
Sam Maier
e3ceea1e67 Forward-declare ArgbConstants in convert.h to fix visibility error
The libyuv into Chromium roller is currently broken, see bug 500795092.

This change adds a forward declaration for struct ArgbConstants in
include/libyuv/convert.h. This resolves a -Wvisibility error where the
struct was being declared within a function prototype, making it
invisible outside that scope and breaking automated binding generation
(e.g., for crabbyavif).

Verified building crabbyavif_libyuv_bindings locally and this patch
fixed it.

Bug: 500795092
Change-Id: Ie0126650ab346940f4610bd4d2e8a5b3ef9ce103
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7739974
Commit-Queue: Dale Curtis <dalecurtis@chromium.org>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
2026-04-09 08:53:56 -07:00