#endif /* COMPILE_MMX */
}
+//FIXME all pal and rgb srcFormats could do this convertion as well
+//FIXME all scalers more complex than bilinear could do half of this transform
+static void RENAME(chrRangeToJpeg)(uint16_t *dst, int width)
+{
+ int i;
+ for (i = 0; i < width; i++) {
+ dst[i ] = (FFMIN(dst[i ],30775)*4663 - 9289992)>>12; //-264
+ dst[i+VOFW] = (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
+ }
+}
+static void RENAME(chrRangeFromJpeg)(uint16_t *dst, int width)
+{
+ int i;
+ for (i = 0; i < width; i++) {
+ dst[i ] = (dst[i ]*1799 + 4081085)>>11; //1469
+ dst[i+VOFW] = (dst[i+VOFW]*1799 + 4081085)>>11; //1469
+ }
+}
+static void RENAME(lumRangeToJpeg)(uint16_t *dst, int width)
+{
+ int i;
+ for (i = 0; i < width; i++)
+ dst[i] = (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
+}
+static void RENAME(lumRangeFromJpeg)(uint16_t *dst, int width)
+{
+ int i;
+ for (i = 0; i < width; i++)
+ dst[i] = (dst[i]*14071 + 33561947)>>14;
+}
+
#define FAST_BILINEAR_X86 \
"subl %%edi, %%esi \n\t" /* src[xx+1] - src[xx] */ \
"imull %%ecx, %%esi \n\t" /* (src[xx+1] - src[xx])*xalpha */ \
int av_unused canMMX2BeUsed = c->canMMX2BeUsed;
void av_unused *mmx2FilterCode= c->lumMmx2FilterCode;
void (*internal_func)(uint8_t *, const uint8_t *, long, uint32_t *) = isAlpha ? c->hascale_internal : c->hyscale_internal;
+ void (*convertRange)(uint16_t *, int) = isAlpha ? NULL : c->lumConvertRange;
src += isAlpha ? c->alpSrcOffset : c->lumSrcOffset;
#endif /* ARCH_X86 */
}
- if(!isAlpha && c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))) {
- int i;
- //FIXME all pal and rgb srcFormats could do this convertion as well
- //FIXME all scalers more complex than bilinear could do half of this transform
- if(c->srcRange) {
- for (i=0; i<dstWidth; i++)
- dst[i]= (dst[i]*14071 + 33561947)>>14;
- } else {
- for (i=0; i<dstWidth; i++)
- dst[i]= (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
- }
- }
+ if (convertRange)
+ convertRange(dst, dstWidth);
}
static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
c->hcscale_fast(c, dst, dstWidth, src1, src2, srcW, xInc);
#endif /* ARCH_X86 */
}
- if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))) {
- int i;
- //FIXME all pal and rgb srcFormats could do this convertion as well
- //FIXME all scalers more complex than bilinear could do half of this transform
- if(c->srcRange) {
- for (i=0; i<dstWidth; i++) {
- dst[i ]= (dst[i ]*1799 + 4081085)>>11; //1469
- dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469
- }
- } else {
- for (i=0; i<dstWidth; i++) {
- dst[i ]= (FFMIN(dst[i ],30775)*4663 - 9289992)>>12; //-264
- dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
- }
- }
- }
+
+ if (c->chrConvertRange)
+ c->chrConvertRange(dst, dstWidth);
}
#define DEBUG_SWSCALE_BUFFERS 0
c->alpSrcOffset = 1;
break;
}
+
+ if (c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))) {
+ if (c->srcRange) {
+ c->lumConvertRange = RENAME(lumRangeFromJpeg);
+ c->chrConvertRange = RENAME(chrRangeFromJpeg);
+ } else {
+ c->lumConvertRange = RENAME(lumRangeToJpeg);
+ c->chrConvertRange = RENAME(chrRangeToJpeg);
+ }
+ }
}