diff options
Diffstat (limited to 'source/scale_common.cc')
| -rw-r--r-- | source/scale_common.cc | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/source/scale_common.cc b/source/scale_common.cc index 77455903..d07a39af 100644 --- a/source/scale_common.cc +++ b/source/scale_common.cc @@ -1964,35 +1964,6 @@ void ScaleSlope(int src_width, } #undef CENTERSTART -// Read 8x2 upsample with filtering and write 16x1. -// actually reads an extra pixel, so 9x2. -void ScaleRowUp2_16_C(const uint16_t* src_ptr, - ptrdiff_t src_stride, - uint16_t* dst, - int dst_width) { - const uint16_t* src2 = src_ptr + src_stride; - - int x; - for (x = 0; x < dst_width - 1; x += 2) { - uint16_t p0 = src_ptr[0]; - uint16_t p1 = src_ptr[1]; - uint16_t p2 = src2[0]; - uint16_t p3 = src2[1]; - dst[0] = (p0 * 9 + p1 * 3 + p2 * 3 + p3 + 8) >> 4; - dst[1] = (p0 * 3 + p1 * 9 + p2 + p3 * 3 + 8) >> 4; - ++src_ptr; - ++src2; - dst += 2; - } - if (dst_width & 1) { - uint16_t p0 = src_ptr[0]; - uint16_t p1 = src_ptr[1]; - uint16_t p2 = src2[0]; - uint16_t p3 = src2[1]; - dst[0] = (p0 * 9 + p1 * 3 + p2 * 3 + p3 + 8) >> 4; - } -} - #ifdef __cplusplus } // extern "C" } // namespace libyuv |