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lsws: use av_pix_fmt_get_chroma_sub_sample()

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Remove duplicated getSubSampleFactors() function. Simplify.
This commit is contained in:
Stefano Sabatini 2013-10-21 15:57:07 +02:00
parent 2f31b73a11
commit ff9d11f95d
1 changed files with 2 additions and 9 deletions
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11
libswscale/utils.c
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@ -821,13 +821,6 @@ static av_cold int init_hscaler_mmxext(int dstW, int xInc, uint8_t *filterCode,
}
#endif /* HAVE_MMXEXT_INLINE */
static void getSubSampleFactors(int *h, int *v, enum AVPixelFormat format)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(format);
*h = desc->log2_chroma_w;
*v = desc->log2_chroma_h;
}
static void fill_rgb2yuv_table(SwsContext *c, const int table[4], int dstRange)
{
int64_t W, V, Z, Cy, Cu, Cv;
@ -1199,8 +1192,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
(dstFilter->lumH && dstFilter->lumH->length > 1) ||
(dstFilter->chrH && dstFilter->chrH->length > 1);
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat);
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
av_pix_fmt_get_chroma_sub_sample(srcFormat, &c->chrSrcHSubSample, &c->chrSrcVSubSample);
av_pix_fmt_get_chroma_sub_sample(dstFormat, &c->chrDstHSubSample, &c->chrDstVSubSample);
if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) {
if (dstW&1) {