clean-up MakeInputImageCopy()
use pointer increments.
@@ -1248,14 +1248,20 @@ static WebPEncodingError MakeInputImageCopy(VP8LEncoder* const enc) {
const WebPPicture* const picture = enc->pic_;
const int width = picture->width;
const int height = picture->height;
- int y;
+
err = AllocateTransformBuffer(enc, width, height);
if (err != VP8_ENC_OK) return err;
if (enc->argb_content_ == kEncoderARGB) return VP8_ENC_OK;
+
+ {
+ uint32_t* dst = enc->argb_;
+ const uint32_t* src = picture->argb;
+ int y;
for (y = 0; y < height; ++y) {
- memcpy(enc->argb_ + y * width,
- picture->argb + y * picture->argb_stride,
- width * sizeof(*enc->argb_));
+ memcpy(dst, src, width * sizeof(*dst));
+ dst += width;
+ src += picture->argb_stride;
+ }
}
enc->argb_content_ = kEncoderARGB;
assert(enc->current_width_ == width);
