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| author | Frank Barchard <fbarchard@google.com> | 2023-04-12 15:32:23 -0700 |
|---|---|---|
| committer | libyuv LUCI CQ <libyuv-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-04-12 22:49:20 +0000 |
| commit | 68659d0d681b4c2318407f7dbc6eaa40055adba1 (patch) | |
| tree | 128bde23ae4f06800ecadbf2098db3a7b2daf995 /source/scale_common.cc | |
| parent | ee3e71c7ce6c21cc96e27a32d3f94979f978eeaa (diff) | |
| download | libyuv-68659d0d681b4c2318407f7dbc6eaa40055adba1.tar.gz | |
UVScale down by 2 fix for C and optimize for NEON
- update cpu_id to use "re" for fopen to avoid leaking handles if a thread is started while the file is open.
Bug: libyuv:958
Change-Id: I1af9de68fce12e440e1226fc8070634ccb1bf090
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4417176
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Diffstat (limited to 'source/scale_common.cc')
| -rw-r--r-- | source/scale_common.cc | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/source/scale_common.cc b/source/scale_common.cc index da9ca713..5e603fd4 100644 --- a/source/scale_common.cc +++ b/source/scale_common.cc @@ -1280,18 +1280,13 @@ void ScaleUVRowDown2_C(const uint8_t* src_uv, ptrdiff_t src_stride, uint8_t* dst_uv, int dst_width) { - const uint16_t* src = (const uint16_t*)(src_uv); - uint16_t* dst = (uint16_t*)(dst_uv); int x; (void)src_stride; - for (x = 0; x < dst_width - 1; x += 2) { - dst[0] = src[1]; - dst[1] = src[3]; - src += 2; - dst += 2; - } - if (dst_width & 1) { - dst[0] = src[1]; + for (x = 0; x < dst_width; ++x) { + dst_uv[0] = src_uv[2]; // Store the 2nd UV + dst_uv[1] = src_uv[3]; + src_uv += 4; + dst_uv += 2; } } |