ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int dstY) { int i,j; vector signed short X,X0,X1,Y0,U0,V0,Y1,U1,V1,U,V; vector signed short R0,G0,B0,R1,G1,B1; vector unsigned char R,G,B; vector unsigned char *out,*nout; vector signed short RND = vec_splat_s16(1<<3); vector unsigned short SCL = vec_splat_u16(4); DECLARE_ALIGNED(16, unsigned int, scratch)[16]; vector signed short *YCoeffs, *CCoeffs; YCoeffs = c->vYCoeffsBank+dstY*lumFilterSize; CCoeffs = c->vCCoeffsBank+dstY*chrFilterSize; out = (vector unsigned char *)dest; for (i=0; i<dstW; i+=16) { Y0 = RND; Y1 = RND; /* extract 16 coeffs from lumSrc */ for (j=0; j<lumFilterSize; j++) { X0 = vec_ld (0, &lumSrc[j][i]); X1 = vec_ld (16, &lumSrc[j][i]); Y0 = vec_mradds (X0, YCoeffs[j], Y0); Y1 = vec_mradds (X1, YCoeffs[j], Y1); } U = RND; V = RND; /* extract 8 coeffs from U,V */ for (j=0; j<chrFilterSize; j++) { X = vec_ld (0, &chrUSrc[j][i/2]); U = vec_mradds (X, CCoeffs[j], U); X = vec_ld (0, &chrVSrc[j][i/2]); V = vec_mradds (X, CCoeffs[j], V); } /* scale and clip signals */ Y0 = vec_sra (Y0, SCL); Y1 = vec_sra (Y1, SCL); U = vec_sra (U, SCL); V = vec_sra (V, SCL); Y0 = vec_clip_s16 (Y0); Y1 = vec_clip_s16 (Y1); U = vec_clip_s16 (U); V = vec_clip_s16 (V); /* now we have Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 U= u0 u1 u2 u3 u4 u5 u6 u7 V= v0 v1 v2 v3 v4 v5 v6 v7 Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 U0= u0 u0 u1 u1 u2 u2 u3 u3 U1= u4 u4 u5 u5 u6 u6 u7 u7 V0= v0 v0 v1 v1 v2 v2 v3 v3 V1= v4 v4 v5 v5 v6 v6 v7 v7 */ U0 = vec_mergeh (U,U); V0 = vec_mergeh (V,V); U1 = vec_mergel (U,U); V1 = vec_mergel (V,V); cvtyuvtoRGB (c, Y0,U0,V0,&R0,&G0,&B0); cvtyuvtoRGB (c, Y1,U1,V1,&R1,&G1,&B1); R = vec_packclp (R0,R1); G = vec_packclp (G0,G1); B = vec_packclp (B0,B1); switch(c->dstFormat) { case PIX_FMT_ABGR: out_abgr (R,G,B,out); break; case PIX_FMT_BGRA: out_bgra (R,G,B,out); break; case PIX_FMT_RGBA: out_rgba (R,G,B,out); break; case PIX_FMT_ARGB: out_argb (R,G,B,out); break; case PIX_FMT_RGB24: out_rgb24 (R,G,B,out); break; case PIX_FMT_BGR24: out_bgr24 (R,G,B,out); break; default: { /* If this is reached, the caller should have called yuv2packedXinC instead. */ static int printed_error_message; if (!printed_error_message) { av_log(c, AV_LOG_ERROR, "altivec_yuv2packedX doesn't support %s output\n", sws_format_name(c->dstFormat)); printed_error_message=1; } return; } } } if (i < dstW) { i -= 16; Y0 = RND; Y1 = RND; /* extract 16 coeffs from lumSrc */ for (j=0; j<lumFilterSize; j++) { X0 = vec_ld (0, &lumSrc[j][i]); X1 = vec_ld (16, &lumSrc[j][i]); Y0 = vec_mradds (X0, YCoeffs[j], Y0); Y1 = vec_mradds (X1, YCoeffs[j], Y1); } U = RND; V = RND; /* extract 8 coeffs from U,V */ for (j=0; j<chrFilterSize; j++) { X = vec_ld (0, &chrUSrc[j][i/2]); U = vec_mradds (X, CCoeffs[j], U); X = vec_ld (0, &chrVSrc[j][i/2]); V = vec_mradds (X, CCoeffs[j], V); } /* scale and clip signals */ Y0 = vec_sra (Y0, SCL); Y1 = vec_sra (Y1, SCL); U = vec_sra (U, SCL); V = vec_sra (V, SCL); Y0 = vec_clip_s16 (Y0); Y1 = vec_clip_s16 (Y1); U = vec_clip_s16 (U); V = vec_clip_s16 (V); /* now we have Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 U = u0 u1 u2 u3 u4 u5 u6 u7 V = v0 v1 v2 v3 v4 v5 v6 v7 Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 U0= u0 u0 u1 u1 u2 u2 u3 u3 U1= u4 u4 u5 u5 u6 u6 u7 u7 V0= v0 v0 v1 v1 v2 v2 v3 v3 V1= v4 v4 v5 v5 v6 v6 v7 v7 */ U0 = vec_mergeh (U,U); V0 = vec_mergeh (V,V); U1 = vec_mergel (U,U); V1 = vec_mergel (V,V); cvtyuvtoRGB (c, Y0,U0,V0,&R0,&G0,&B0); cvtyuvtoRGB (c, Y1,U1,V1,&R1,&G1,&B1); R = vec_packclp (R0,R1); G = vec_packclp (G0,G1); B = vec_packclp (B0,B1); nout = (vector unsigned char *)scratch; switch(c->dstFormat) { case PIX_FMT_ABGR: out_abgr (R,G,B,nout); break; case PIX_FMT_BGRA: out_bgra (R,G,B,nout); break; case PIX_FMT_RGBA: out_rgba (R,G,B,nout); break; case PIX_FMT_ARGB: out_argb (R,G,B,nout); break; case PIX_FMT_RGB24: out_rgb24 (R,G,B,nout); break; case PIX_FMT_BGR24: out_bgr24 (R,G,B,nout); break; default: /* Unreachable, I think. */ av_log(c, AV_LOG_ERROR, "altivec_yuv2packedX doesn't support %s output\n", sws_format_name(c->dstFormat)); return; } memcpy (&((uint32_t*)dest)[i], scratch, (dstW-i)/4); } }