diff options
Diffstat (limited to 'thirdparty/libwebp/src/dsp/rescaler.c')
| -rw-r--r-- | thirdparty/libwebp/src/dsp/rescaler.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/thirdparty/libwebp/src/dsp/rescaler.c b/thirdparty/libwebp/src/dsp/rescaler.c index 753f84fcf4..c5a01e82df 100644 --- a/thirdparty/libwebp/src/dsp/rescaler.c +++ b/thirdparty/libwebp/src/dsp/rescaler.c @@ -109,8 +109,7 @@ void WebPRescalerExportRowExpand_C(WebPRescaler* const wrk) { for (x_out = 0; x_out < x_out_max; ++x_out) { const uint32_t J = frow[x_out]; const int v = (int)MULT_FIX(J, wrk->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); @@ -120,8 +119,7 @@ void WebPRescalerExportRowExpand_C(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(J, wrk->fy_scale); - assert(v >= 0 && v <= 255); - dst[x_out] = v; + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; } } } @@ -138,17 +136,15 @@ void WebPRescalerExportRowShrink_C(WebPRescaler* const wrk) { assert(!wrk->y_expand); if (yscale) { for (x_out = 0; x_out < x_out_max; ++x_out) { - const uint32_t frac = (uint32_t)MULT_FIX(frow[x_out], yscale); - const int v = (int)MULT_FIX_FLOOR(irow[x_out] - frac, wrk->fxy_scale); - assert(v >= 0 && v <= 255); - dst[x_out] = v; + const uint32_t frac = (uint32_t)MULT_FIX_FLOOR(frow[x_out], yscale); + const int v = (int)MULT_FIX(irow[x_out] - frac, wrk->fxy_scale); + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; irow[x_out] = frac; // new fractional start } } else { for (x_out = 0; x_out < x_out_max; ++x_out) { const int v = (int)MULT_FIX(irow[x_out], wrk->fxy_scale); - assert(v >= 0 && v <= 255); - dst[x_out] = v; + dst[x_out] = (v > 255) ? 255u : (uint8_t)v; irow[x_out] = 0; } } |