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https://github.com/mpv-player/mpv
synced 2025-03-20 10:17:31 +00:00
new mmx/mmx2/3dnow code for improved performance
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10021 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -4,6 +4,7 @@
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#include "../config.h"
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#include "../mp_msg.h"
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#include "../cpudetect.h"
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#include "img_format.h"
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#include "mp_image.h"
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@ -56,30 +57,149 @@ static void deint(unsigned char *dest, int ds, unsigned char *src, int ss, int w
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}
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}
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static void qpelup(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss)
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#ifdef HAVE_3DNOW
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static void qpel_3DNOW(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
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{
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int i, j;
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memcpy(d, s, w);
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for (i=h-1; i; i--) {
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d += ds;
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s += ss;
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for (j=0; j<w; j++)
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d[j] = (s[j-ss] + 3*s[j])>>2;
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}
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}
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static void qpeldown(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss)
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{
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int i, j;
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for (i=h-1; i; i--) {
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for (j=0; j<w; j++)
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d[j] = (3*s[j] + s[j+ss])>>2;
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int i, j, ssd=ss;
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int crap1, crap2;
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if (up) {
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ssd = -ss;
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memcpy(d, s, w);
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d += ds;
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s += ss;
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}
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memcpy(d, s, w);
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for (i=h-1; i; i--) {
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asm(
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"pxor %%mm7, %%mm7 \n\t"
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"1: \n\t"
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"movq (%%esi), %%mm0 \n\t"
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"movq (%%esi,%%eax), %%mm1 \n\t"
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"pavgusb %%mm0, %%mm1 \n\t"
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"addl $8, %%esi \n\t"
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"pavgusb %%mm0, %%mm1 \n\t"
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"movq %%mm1, (%%edi) \n\t"
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"addl $8, %%edi \n\t"
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"decl %%ecx \n\t"
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"jnz 1b \n\t"
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: "=S"(crap1), "=D"(crap2)
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: "c"(w>>3), "S"(s), "D"(d), "a"(ssd)
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);
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for (j=(w&7); j<w; j++)
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d[j] = (s[j+ssd] + 3*s[j])>>2;
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d += ds;
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s += ss;
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}
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if (!up) memcpy(d, s, w);
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asm volatile("emms \n\t" : : : "memory");
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}
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#endif
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#ifdef HAVE_MMX2
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static void qpel_MMX2(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
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{
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int i, j, ssd=ss;
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int crap1, crap2;
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if (up) {
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ssd = -ss;
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memcpy(d, s, w);
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d += ds;
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s += ss;
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}
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for (i=h-1; i; i--) {
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asm(
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"pxor %%mm7, %%mm7 \n\t"
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"1: \n\t"
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"movq (%%esi), %%mm0 \n\t"
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"movq (%%esi,%%eax), %%mm1 \n\t"
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"pavgb %%mm0, %%mm1 \n\t"
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"addl $8, %%esi \n\t"
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"pavgb %%mm0, %%mm1 \n\t"
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"movq %%mm1, (%%edi) \n\t"
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"addl $8, %%edi \n\t"
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"decl %%ecx \n\t"
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"jnz 1b \n\t"
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: "=S"(crap1), "=D"(crap2)
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: "c"(w>>3), "S"(s), "D"(d), "a"(ssd)
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);
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for (j=(w&7); j<w; j++)
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d[j] = (s[j+ssd] + 3*s[j])>>2;
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d += ds;
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s += ss;
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}
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if (!up) memcpy(d, s, w);
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asm volatile("emms \n\t" : : : "memory");
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}
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#endif
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#ifdef HAVE_MMX
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static void qpel_MMX(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
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{
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int i, j, ssd=ss;
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int crap1, crap2;
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if (up) {
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ssd = -ss;
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memcpy(d, s, w);
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d += ds;
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s += ss;
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}
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for (i=h-1; i; i--) {
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asm(
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"pxor %%mm7, %%mm7 \n\t"
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"1: \n\t"
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"movq (%%esi), %%mm0 \n\t"
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"movq (%%esi), %%mm1 \n\t"
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"movq (%%esi,%%eax), %%mm2 \n\t"
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"movq (%%esi,%%eax), %%mm3 \n\t"
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"addl $8, %%esi \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm3 \n\t"
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"paddw %%mm0, %%mm2 \n\t"
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"paddw %%mm1, %%mm3 \n\t"
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"paddw %%mm0, %%mm2 \n\t"
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"paddw %%mm1, %%mm3 \n\t"
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"paddw %%mm0, %%mm2 \n\t"
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"paddw %%mm1, %%mm3 \n\t"
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"psrlw $2, %%mm2 \n\t"
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"psrlw $2, %%mm3 \n\t"
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"packsswb %%mm3, %%mm2 \n\t"
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"movq %%mm2, (%%edi) \n\t"
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"addl $8, %%edi \n\t"
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"decl %%ecx \n\t"
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"jnz 1b \n\t"
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: "=S"(crap1), "=D"(crap2)
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: "c"(w>>3), "S"(s), "D"(d), "a"(ssd)
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);
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for (j=(w&7); j<w; j++)
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d[j] = (s[j+ssd] + 3*s[j])>>2;
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d += ds;
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s += ss;
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}
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if (!up) memcpy(d, s, w);
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asm volatile("emms \n\t" : : : "memory");
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}
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#endif
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static void qpel_C(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
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{
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int i, j, ssd=ss;
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if (up) {
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ssd = -ss;
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memcpy(d, s, w);
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d += ds;
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s += ss;
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}
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for (i=h-1; i; i--) {
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for (j=0; j<w; j++)
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d[j] = (s[j+ssd] + 3*s[j])>>2;
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d += ds;
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s += ss;
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}
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if (!up) memcpy(d, s, w);
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}
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static void (*qpel)(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up);
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static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
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{
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@ -155,27 +275,27 @@ static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
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dmpi = vf_get_image(vf->next, mpi->imgfmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->width, mpi->height/2);
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qpeldown(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h/2,
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dmpi->stride[0], mpi->stride[0]*2);
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qpel(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h/2,
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dmpi->stride[0], mpi->stride[0]*2, 0);
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if (mpi->flags & MP_IMGFLAG_PLANAR) {
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qpeldown(dmpi->planes[1], mpi->planes[1],
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qpel(dmpi->planes[1], mpi->planes[1],
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mpi->chroma_width, mpi->chroma_height/2,
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dmpi->stride[1], mpi->stride[1]*2);
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qpeldown(dmpi->planes[2], mpi->planes[2],
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dmpi->stride[1], mpi->stride[1]*2, 0);
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qpel(dmpi->planes[2], mpi->planes[2],
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mpi->chroma_width, mpi->chroma_height/2,
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dmpi->stride[2], mpi->stride[2]*2);
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dmpi->stride[2], mpi->stride[2]*2, 0);
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}
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ret = vf_next_put_image(vf, dmpi);
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qpelup(dmpi->planes[0], mpi->planes[0] + mpi->stride[0],
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mpi->w, mpi->h/2, dmpi->stride[0], mpi->stride[0]*2);
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qpel(dmpi->planes[0], mpi->planes[0] + mpi->stride[0],
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mpi->w, mpi->h/2, dmpi->stride[0], mpi->stride[0]*2, 1);
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if (mpi->flags & MP_IMGFLAG_PLANAR) {
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qpelup(dmpi->planes[1], mpi->planes[1] + mpi->stride[1],
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qpel(dmpi->planes[1], mpi->planes[1] + mpi->stride[1],
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mpi->chroma_width, mpi->chroma_height/2,
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dmpi->stride[1], mpi->stride[1]*2);
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qpelup(dmpi->planes[2], mpi->planes[2] + mpi->stride[2],
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dmpi->stride[1], mpi->stride[1]*2, 1);
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qpel(dmpi->planes[2], mpi->planes[2] + mpi->stride[2],
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mpi->chroma_width, mpi->chroma_height/2,
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dmpi->stride[2], mpi->stride[2]*2);
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dmpi->stride[2], mpi->stride[2]*2, 1);
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}
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return vf_next_put_image(vf, dmpi) || ret;
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}
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@ -224,6 +344,16 @@ static int open(vf_instance_t *vf, char* args)
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vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
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vf->priv->mode = 0;
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if (args) sscanf(args, "%d", &vf->priv->mode);
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qpel = qpel_C;
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#ifdef HAVE_MMX
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if(gCpuCaps.hasMMX) qpel = qpel_MMX;
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#endif
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#ifdef HAVE_MMX2
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if(gCpuCaps.hasMMX2) qpel = qpel_MMX2;
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#endif
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#ifdef HAVE_3DNOW
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if(gCpuCaps.has3DNow) qpel = qpel_3DNOW;
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#endif
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return 1;
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}
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