dst[i] = (dst[i]*(14071/4) + (33561947<<4)/4)>>12;
}
-static void hyscale_fast_c(SwsContext *c, int16_t *dst, int dstWidth,
- const uint8_t *src, int srcW, int xInc)
-{
- int i;
- unsigned int xpos = 0;
- for (i = 0; i < dstWidth; i++) {
- register unsigned int xx = xpos >> 16;
- register unsigned int xalpha = (xpos & 0xFFFF) >> 9;
- dst[i] = (src[xx] << 7) + (src[xx + 1] - src[xx]) * xalpha;
- xpos += xInc;
- }
- for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
- dst[i] = src[srcW-1]*128;
-}
-
// *** horizontal scale Y line to temp buffer
static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth,
const uint8_t *src_in[4],
convertRange(dst, dstWidth);
}
-static void hcscale_fast_c(SwsContext *c, int16_t *dst1, int16_t *dst2,
- int dstWidth, const uint8_t *src1,
- const uint8_t *src2, int srcW, int xInc)
-{
- int i;
- unsigned int xpos = 0;
- for (i = 0; i < dstWidth; i++) {
- register unsigned int xx = xpos >> 16;
- register unsigned int xalpha = (xpos & 0xFFFF) >> 9;
- dst1[i] = (src1[xx] * (xalpha ^ 127) + src1[xx + 1] * xalpha);
- dst2[i] = (src2[xx] * (xalpha ^ 127) + src2[xx + 1] * xalpha);
- xpos += xInc;
- }
- for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) {
- dst1[i] = src1[srcW-1]*128;
- dst2[i] = src2[srcW-1]*128;
- }
-}
-
static av_always_inline void hcscale(SwsContext *c, int16_t *dst1,
int16_t *dst2, int dstWidth,
const uint8_t *src_in[4],
if (c->dstBpc <= 14) {
c->hyScale = c->hcScale = hScale8To15_c;
if (c->flags & SWS_FAST_BILINEAR) {
- c->hyscale_fast = hyscale_fast_c;
- c->hcscale_fast = hcscale_fast_c;
+ c->hyscale_fast = ff_hyscale_fast_c;
+ c->hcscale_fast = ff_hcscale_fast_c;
}
} else {
c->hyScale = c->hcScale = hScale8To19_c;