From b612dd86b09d7c3b024e723ebb02a9a01bd20abc Mon Sep 17 00:00:00 2001 From: michael Date: Tue, 6 Jul 2004 13:52:56 +0000 Subject: Altivec unscaled YV12 -> packed YUV patch by (Romain Dolbeau ) git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12769 b3059339-0415-0410-9bf9-f77b7e298cf2 --- postproc/swscale.c | 12 +++ postproc/swscale_altivec_template.c | 147 ++++++++++++++++++++++++++++++++++++ 2 files changed, 159 insertions(+) (limited to 'postproc') diff --git a/postproc/swscale.c b/postproc/swscale.c index 67a75a93af..891352121c 100644 --- a/postproc/swscale.c +++ b/postproc/swscale.c @@ -1909,6 +1909,18 @@ SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int } } +#ifdef HAVE_ALTIVEC + if ((c->flags & SWS_CPU_CAPS_ALTIVEC) && + ((srcFormat == IMGFMT_YV12 && + (dstFormat == IMGFMT_YUY2 || dstFormat == IMGFMT_UYVY)))) { + // unscaled YV12 -> packed YUV, we want speed + if (dstFormat == IMGFMT_YUY2) + c->swScale= yv12toyuy2_unscaled_altivec; + else + c->swScale= yv12touyvy_unscaled_altivec; + } +#endif + /* simple copy */ if( srcFormat == dstFormat || (isPlanarYUV(srcFormat) && isGray(dstFormat)) diff --git a/postproc/swscale_altivec_template.c b/postproc/swscale_altivec_template.c index b1608d4ced..f5c7b965f6 100644 --- a/postproc/swscale_altivec_template.c +++ b/postproc/swscale_altivec_template.c @@ -383,3 +383,150 @@ static inline void hScale_altivec_real(int16_t *dst, int dstW, uint8_t *src, int } } } + +static inline int yv12toyuy2_unscaled_altivec(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dstParam[], int dstStride_a[]) { + uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY; + // yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); + uint8_t *ysrc = src[0]; + uint8_t *usrc = src[1]; + uint8_t *vsrc = src[2]; + const int width = c->srcW; + const int height = srcSliceH; + const int lumStride = srcStride[0]; + const int chromStride = srcStride[1]; + const int dstStride = dstStride_a[0]; + const vector unsigned char yperm = vec_lvsl(0, ysrc); + const int vertLumPerChroma = 2; + register unsigned int y; + + /* this code assume: + + 1) dst is 16 bytes-aligned + 2) dstStride is a multiple of 16 + 3) width is a multiple of 16 + 4) lum&chrom stride are multiple of 8 + */ + + for(y=0; y> 1; + vector unsigned char v_yA = vec_ld(i, ysrc); + vector unsigned char v_yB = vec_ld(i + 16, ysrc); + vector unsigned char v_yC = vec_ld(i + 32, ysrc); + vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm); + vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm); + vector unsigned char v_uA = vec_ld(j, usrc); + vector unsigned char v_uB = vec_ld(j + 16, usrc); + vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc)); + vector unsigned char v_vA = vec_ld(j, vsrc); + vector unsigned char v_vB = vec_ld(j + 16, vsrc); + vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc)); + vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); + vector unsigned char v_uv_b = vec_mergel(v_u, v_v); + vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a); + vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a); + vector unsigned char v_yuy2_2 = vec_mergeh(v_y2, v_uv_b); + vector unsigned char v_yuy2_3 = vec_mergel(v_y2, v_uv_b); + vec_st(v_yuy2_0, (i << 1), dst); + vec_st(v_yuy2_1, (i << 1) + 16, dst); + vec_st(v_yuy2_2, (i << 1) + 32, dst); + vec_st(v_yuy2_3, (i << 1) + 48, dst); + } + if (i < width) { + const unsigned int j = i >> 1; + vector unsigned char v_y1 = vec_ld(i, ysrc); + vector unsigned char v_u = vec_ld(j, usrc); + vector unsigned char v_v = vec_ld(j, vsrc); + vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); + vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a); + vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a); + vec_st(v_yuy2_0, (i << 1), dst); + vec_st(v_yuy2_1, (i << 1) + 16, dst); + } + if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) + { + usrc += chromStride; + vsrc += chromStride; + } + ysrc += lumStride; + dst += dstStride; + } + + return srcSliceH; +} + +static inline int yv12touyvy_unscaled_altivec(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, + int srcSliceH, uint8_t* dstParam[], int dstStride_a[]) { + uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY; + // yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); + uint8_t *ysrc = src[0]; + uint8_t *usrc = src[1]; + uint8_t *vsrc = src[2]; + const int width = c->srcW; + const int height = srcSliceH; + const int lumStride = srcStride[0]; + const int chromStride = srcStride[1]; + const int dstStride = dstStride_a[0]; + const int vertLumPerChroma = 2; + const vector unsigned char yperm = vec_lvsl(0, ysrc); + register unsigned int y; + + /* this code assume: + + 1) dst is 16 bytes-aligned + 2) dstStride is a multiple of 16 + 3) width is a multiple of 16 + 4) lum&chrom stride are multiple of 8 + */ + + for(y=0; y> 1; + vector unsigned char v_yA = vec_ld(i, ysrc); + vector unsigned char v_yB = vec_ld(i + 16, ysrc); + vector unsigned char v_yC = vec_ld(i + 32, ysrc); + vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm); + vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm); + vector unsigned char v_uA = vec_ld(j, usrc); + vector unsigned char v_uB = vec_ld(j + 16, usrc); + vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc)); + vector unsigned char v_vA = vec_ld(j, vsrc); + vector unsigned char v_vB = vec_ld(j + 16, vsrc); + vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc)); + vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); + vector unsigned char v_uv_b = vec_mergel(v_u, v_v); + vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1); + vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1); + vector unsigned char v_uyvy_2 = vec_mergeh(v_uv_b, v_y2); + vector unsigned char v_uyvy_3 = vec_mergel(v_uv_b, v_y2); + vec_st(v_uyvy_0, (i << 1), dst); + vec_st(v_uyvy_1, (i << 1) + 16, dst); + vec_st(v_uyvy_2, (i << 1) + 32, dst); + vec_st(v_uyvy_3, (i << 1) + 48, dst); + } + if (i < width) { + const unsigned int j = i >> 1; + vector unsigned char v_y1 = vec_ld(i, ysrc); + vector unsigned char v_u = vec_ld(j, usrc); + vector unsigned char v_v = vec_ld(j, vsrc); + vector unsigned char v_uv_a = vec_mergeh(v_u, v_v); + vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1); + vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1); + vec_st(v_uyvy_0, (i << 1), dst); + vec_st(v_uyvy_1, (i << 1) + 16, dst); + } + if((y&(vertLumPerChroma-1))==(vertLumPerChroma-1) ) + { + usrc += chromStride; + vsrc += chromStride; + } + ysrc += lumStride; + dst += dstStride; + } + return srcSliceH; +} -- cgit v1.2.3