int xInc, const int16_t *filter, const int16_t *filterPos,
long filterSize);
+ int lumSrcOffset; ///< Offset given to luma src pointers passed to horizontal input functions.
+ int chrSrcOffset; ///< Offset given to chroma src pointers passed to horizontal input functions.
+ int alpSrcOffset; ///< Offset given to alpha src pointers passed to horizontal input functions.
+
} SwsContext;
//FIXME check init (where 0)
void av_unused *mmx2FilterCode= c->lumMmx2FilterCode;
void (*internal_func)(uint8_t *, const uint8_t *, long, uint32_t *) = isAlpha ? c->hascale_internal : c->hyscale_internal;
- if (isAlpha) {
- if (srcFormat == PIX_FMT_RGB32 || srcFormat == PIX_FMT_BGR32 )
- src += 3;
- } else {
- if (srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1)
- src += ALT32_CORR;
- }
-
- if (srcFormat == PIX_FMT_RGB48LE)
- src++;
+ src += isAlpha ? c->alpSrcOffset : c->lumSrcOffset;
if (internal_func) {
internal_func(formatConvBuffer, src, srcW, pal);
if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || srcFormat==PIX_FMT_MONOWHITE)
return;
- if (srcFormat==PIX_FMT_RGB32_1 || srcFormat==PIX_FMT_BGR32_1) {
- src1 += ALT32_CORR;
- src2 += ALT32_CORR;
- }
-
- if (srcFormat==PIX_FMT_RGB48LE) {
- src1++;
- src2++;
- }
+ src1 += c->chrSrcOffset;
+ src2 += c->chrSrcOffset;
if (c->hcscale_internal) {
c->hcscale_internal(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);
case PIX_FMT_BGR32_1: c->hascale_internal = abgrToA; break;
}
}
+
+ switch (srcFormat) {
+ case PIX_FMT_RGB32 :
+ case PIX_FMT_BGR32 :
+ c->alpSrcOffset = 3;
+ break;
+ case PIX_FMT_RGB32_1:
+ case PIX_FMT_BGR32_1:
+ c->lumSrcOffset = ALT32_CORR;
+ c->chrSrcOffset = ALT32_CORR;
+ break;
+ case PIX_FMT_RGB48LE:
+ c->lumSrcOffset = 1;
+ c->chrSrcOffset = 1;
+ c->alpSrcOffset = 1;
+ break;
+ }
}