static av_cold void sws_init_swscale(SwsContext *c) { enum AVPixelFormat srcFormat = c->srcFormat; ff_sws_init_output_funcs(c, &c->yuv2plane1, &c->yuv2planeX, &c->yuv2nv12cX, &c->yuv2packed1, &c->yuv2packed2, &c->yuv2packedX, &c->yuv2anyX); ff_sws_init_input_funcs(c); if (c->srcBpc == 8) { if (c->dstBpc <= 10) { c->hyScale = c->hcScale = hScale8To15_c; if (c->flags & SWS_FAST_BILINEAR) { c->hyscale_fast = hyscale_fast_c; c->hcscale_fast = hcscale_fast_c; } } else { c->hyScale = c->hcScale = hScale8To19_c; } } else { c->hyScale = c->hcScale = c->dstBpc > 10 ? hScale16To19_c : hScale16To15_c; } if (c->srcRange != c->dstRange && !isAnyRGB(c->dstFormat)) { if (c->dstBpc <= 10) { if (c->srcRange) { c->lumConvertRange = lumRangeFromJpeg_c; c->chrConvertRange = chrRangeFromJpeg_c; } else { c->lumConvertRange = lumRangeToJpeg_c; c->chrConvertRange = chrRangeToJpeg_c; } } else { if (c->srcRange) { c->lumConvertRange = lumRangeFromJpeg16_c; c->chrConvertRange = chrRangeFromJpeg16_c; } else { c->lumConvertRange = lumRangeToJpeg16_c; c->chrConvertRange = chrRangeToJpeg16_c; } } } if (!(isGray(srcFormat) || isGray(c->dstFormat) || srcFormat == AV_PIX_FMT_MONOBLACK || srcFormat == AV_PIX_FMT_MONOWHITE)) c->needs_hcscale = 1; }