diff options
Diffstat (limited to 'media/libwebp/dsp/rescaler_neon.c')
| -rw-r--r-- | media/libwebp/dsp/rescaler_neon.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/media/libwebp/dsp/rescaler_neon.c b/media/libwebp/dsp/rescaler_neon.c index b560d0cdcc..62bef72113 100644 --- a/media/libwebp/dsp/rescaler_neon.c +++ b/media/libwebp/dsp/rescaler_neon.c @@ -81,14 +81,13 @@ static void RescalerExportRowExpand_NEON(WebPRescaler* const wrk) { const uint32x4_t B1 = MULT_FIX(A1, fy_scale_half); const uint16x4_t C0 = vmovn_u32(B0); const uint16x4_t C1 = vmovn_u32(B1); - const uint8x8_t D = vmovn_u16(vcombine_u16(C0, C1)); + const uint8x8_t D = vqmovn_u16(vcombine_u16(C0, C1)); vst1_u8(dst + x_out, D); } for (; x_out < x_out_max; ++x_out) { const uint32_t J = frow[x_out]; const int v = (int)MULT_FIX_C(J, fy_scale); - assert(v >= 0 && v <= 255); - dst[x_out] = v; + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; } } else { const uint32_t B = WEBP_RESCALER_FRAC(-wrk->y_accum, wrk->y_sub); @@ -102,7 +101,7 @@ static void RescalerExportRowExpand_NEON(WebPRescaler* const wrk) { const uint32x4_t D1 = MULT_FIX(C1, fy_scale_half); const uint16x4_t E0 = vmovn_u32(D0); const uint16x4_t E1 = vmovn_u32(D1); - const uint8x8_t F = vmovn_u16(vcombine_u16(E0, E1)); + const uint8x8_t F = vqmovn_u16(vcombine_u16(E0, E1)); vst1_u8(dst + x_out, F); } for (; x_out < x_out_max; ++x_out) { @@ -110,8 +109,7 @@ static void RescalerExportRowExpand_NEON(WebPRescaler* const wrk) { + (uint64_t)B * irow[x_out]; const uint32_t J = (uint32_t)((I + ROUNDER) >> WEBP_RESCALER_RFIX); const int v = (int)MULT_FIX_C(J, fy_scale); - assert(v >= 0 && v <= 255); - dst[x_out] = v; + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; } } } @@ -135,23 +133,22 @@ static void RescalerExportRowShrink_NEON(WebPRescaler* const wrk) { for (x_out = 0; x_out < max_span; x_out += 8) { LOAD_32x8(frow + x_out, in0, in1); LOAD_32x8(irow + x_out, in2, in3); - const uint32x4_t A0 = MULT_FIX(in0, yscale_half); - const uint32x4_t A1 = MULT_FIX(in1, yscale_half); + const uint32x4_t A0 = MULT_FIX_FLOOR(in0, yscale_half); + const uint32x4_t A1 = MULT_FIX_FLOOR(in1, yscale_half); const uint32x4_t B0 = vqsubq_u32(in2, A0); const uint32x4_t B1 = vqsubq_u32(in3, A1); - const uint32x4_t C0 = MULT_FIX_FLOOR(B0, fxy_scale_half); - const uint32x4_t C1 = MULT_FIX_FLOOR(B1, fxy_scale_half); + const uint32x4_t C0 = MULT_FIX(B0, fxy_scale_half); + const uint32x4_t C1 = MULT_FIX(B1, fxy_scale_half); const uint16x4_t D0 = vmovn_u32(C0); const uint16x4_t D1 = vmovn_u32(C1); - const uint8x8_t E = vmovn_u16(vcombine_u16(D0, D1)); + const uint8x8_t E = vqmovn_u16(vcombine_u16(D0, D1)); vst1_u8(dst + x_out, E); STORE_32x8(A0, A1, irow + x_out); } for (; x_out < x_out_max; ++x_out) { - const uint32_t frac = (uint32_t)MULT_FIX_C(frow[x_out], yscale); - const int v = (int)MULT_FIX_FLOOR_C(irow[x_out] - frac, fxy_scale); - assert(v >= 0 && v <= 255); - dst[x_out] = v; + const uint32_t frac = (uint32_t)MULT_FIX_FLOOR_C(frow[x_out], yscale); + const int v = (int)MULT_FIX_C(irow[x_out] - frac, fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; irow[x_out] = frac; // new fractional start } } else { @@ -161,14 +158,13 @@ static void RescalerExportRowShrink_NEON(WebPRescaler* const wrk) { const uint32x4_t A1 = MULT_FIX(in1, fxy_scale_half); const uint16x4_t B0 = vmovn_u32(A0); const uint16x4_t B1 = vmovn_u32(A1); - const uint8x8_t C = vmovn_u16(vcombine_u16(B0, B1)); + const uint8x8_t C = vqmovn_u16(vcombine_u16(B0, B1)); vst1_u8(dst + x_out, C); STORE_32x8(zero, zero, irow + x_out); } for (; x_out < x_out_max; ++x_out) { const int v = (int)MULT_FIX_C(irow[x_out], fxy_scale); - assert(v >= 0 && v <= 255); - dst[x_out] = v; + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; irow[x_out] = 0; } } |