#include #include #include #include "config.h" #include "mp_msg.h" #include "cpudetect.h" #include "img_format.h" #include "mp_image.h" #include "vf.h" #include "libvo/fastmemcpy.h" struct metrics { /* difference: total, even lines, odd lines */ int d, e, o; /* noise: temporal, spacial (current), spacial (past) */ int t, s, p; }; struct frameinfo { /* peak, relative, mean */ struct metrics p, r, m; }; struct vf_priv_s { struct frameinfo fi[2]; mp_image_t *dmpi; int first; int drop, lastdrop, dropnext; int inframes, outframes; }; enum { F_DROP, F_MERGE, F_NEXT, F_SHOW }; #ifdef HAVE_MMX static void block_diffs_MMX(struct metrics *m, unsigned char *old, unsigned char *new, int os, int ns) { int i; short out[24]; // output buffer for the partial metrics from the mmx code asm ( "movl $4, %%ecx \n\t" "pxor %%mm4, %%mm4 \n\t" // 4 even difference sums "pxor %%mm5, %%mm5 \n\t" // 4 odd difference sums "pxor %%mm7, %%mm7 \n\t" // all zeros ASMALIGN(4) "1: \n\t" // Even difference "movq (%%"REG_S"), %%mm0 \n\t" "movq (%%"REG_S"), %%mm2 \n\t" "add %%"REG_a", %%"REG_S" \n\t" "movq (%%"REG_D"), %%mm1 \n\t" "add %%"REG_b", %%"REG_D" \n\t" "psubusb %%mm1, %%mm2 \n\t" "psubusb %%mm0, %%mm1 \n\t" "movq %%mm2, %%mm0 \n\t" "movq %%mm1, %%mm3 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpckhbw %%mm7, %%mm2 \n\t" "punpckhbw %%mm7, %%mm3 \n\t" "paddw %%mm0, %%mm4 \n\t" "paddw %%mm1, %%mm4 \n\t" "paddw %%mm2, %%mm4 \n\t" "paddw %%mm3, %%mm4 \n\t" // Odd difference "movq (%%"REG_S"), %%mm0 \n\t" "movq (%%"REG_S"), %%mm2 \n\t" "add %%"REG_a", %%"REG_S" \n\t" "movq (%%"REG_D"), %%mm1 \n\t" "add %%"REG_b", %%"REG_D" \n\t" "psubusb %%mm1, %%mm2 \n\t" "psubusb %%mm0, %%mm1 \n\t" "movq %%mm2, %%mm0 \n\t" "movq %%mm1, %%mm3 \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpckhbw %%mm7, %%mm2 \n\t" "punpckhbw %%mm7, %%mm3 \n\t" "paddw %%mm0, %%mm5 \n\t" "paddw %%mm1, %%mm5 \n\t" "paddw %%mm2, %%mm5 \n\t" "paddw %%mm3, %%mm5 \n\t" "decl %%ecx \n\t" "jnz 1b \n\t" "movq %%mm4, (%%"REG_d") \n\t" "movq %%mm5, 8(%%"REG_d") \n\t" : : "S" (old), "D" (new), "a" (os), "b" (ns), "d" (out) : "memory" ); m->e = out[0]+out[1]+out[2]+out[3]; m->o = out[4]+out[5]+out[6]+out[7]; m->d = m->e + m->o; asm ( // First loop to measure first four columns "movl $4, %%ecx \n\t" "pxor %%mm4, %%mm4 \n\t" // Past spacial noise "pxor %%mm5, %%mm5 \n\t" // Temporal noise "pxor %%mm6, %%mm6 \n\t" // Current spacial noise ASMALIGN(4) "2: \n\t" "movq (%%"REG_S"), %%mm0 \n\t" "movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t" "add %%"REG_a", %%"REG_S" \n\t" "add %%"REG_a", %%"REG_S" \n\t" "movq (%%"REG_D"), %%mm2 \n\t" "movq (%%"REG_D",%%"REG_b"), %%mm3 \n\t" "add %%"REG_b", %%"REG_D" \n\t" "add %%"REG_b", %%"REG_D" \n\t" "punpcklbw %%mm7, %%mm0 \n\t" "punpcklbw %%mm7, %%mm1 \n\t" "punpcklbw %%mm7, %%mm2 \n\t" "punpcklbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm4 \n\t" "paddw %%mm1, %%mm5 \n\t" "paddw %%mm3, %%mm6 \n\t" "psubw %%mm0, %%mm4 \n\t" "psubw %%mm2, %%mm5 \n\t" "psubw %%mm2, %%mm6 \n\t" "decl %%ecx \n\t" "jnz 2b \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm0, %%mm3 \n\t" "pcmpgtw %%mm4, %%mm1 \n\t" "pcmpgtw %%mm5, %%mm2 \n\t" "pcmpgtw %%mm6, %%mm3 \n\t" "pxor %%mm1, %%mm4 \n\t" "pxor %%mm2, %%mm5 \n\t" "pxor %%mm3, %%mm6 \n\t" "psubw %%mm1, %%mm4 \n\t" "psubw %%mm2, %%mm5 \n\t" "psubw %%mm3, %%mm6 \n\t" "movq %%mm4, (%%"REG_d") \n\t" "movq %%mm5, 16(%%"REG_d") \n\t" "movq %%mm6, 32(%%"REG_d") \n\t" "mov %%"REG_a", %%"REG_c" \n\t" "shl $3, %%"REG_c" \n\t" "sub %%"REG_c", %%"REG_S" \n\t" "mov %%"REG_b", %%"REG_c" \n\t" "shl $3, %%"REG_c" \n\t" "sub %%"REG_c", %%"REG_D" \n\t" // Second loop for the last four columns "movl $4, %%ecx \n\t" "pxor %%mm4, %%mm4 \n\t" "pxor %%mm5, %%mm5 \n\t" "pxor %%mm6, %%mm6 \n\t" ASMALIGN(4) "3: \n\t" "movq (%%"REG_S"), %%mm0 \n\t" "movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t" "add %%"REG_a", %%"REG_S" \n\t" "add %%"REG_a", %%"REG_S" \n\t" "movq (%%"REG_D"), %%mm2 \n\t" "movq (%%"REG_D",%%"REG_b"), %%mm3 \n\t" "add %%"REG_b", %%"REG_D" \n\t" "add %%"REG_b", %%"REG_D" \n\t" "punpckhbw %%mm7, %%mm0 \n\t" "punpckhbw %%mm7, %%mm1 \n\t" "punpckhbw %%mm7, %%mm2 \n\t" "punpckhbw %%mm7, %%mm3 \n\t" "paddw %%mm1, %%mm4 \n\t" "paddw %%mm1, %%mm5 \n\t" "paddw %%mm3, %%mm6 \n\t" "psubw %%mm0, %%mm4 \n\t" "psubw %%mm2, %%mm5 \n\t" "psubw %%mm2, %%mm6 \n\t" "decl %%ecx \n\t" "jnz 3b \n\t" "movq %%mm0, %%mm1 \n\t" "movq %%mm0, %%mm2 \n\t" "movq %%mm0, %%mm3 \n\t" "pcmpgtw %%mm4, %%mm1 \n\t" "pcmpgtw %%mm5, %%mm2 \n\t" "pcmpgtw %%mm6, %%mm3 \n\t" "pxor %%mm1, %%mm4 \n\t" "pxor %%mm2, %%mm5 \n\t" "pxor %%mm3, %%mm6 \n\t" "psubw %%mm1, %%mm4 \n\t" "psubw %%mm2, %%mm5 \n\t" "psubw %%mm3, %%mm6 \n\t" "movq %%mm4, 8(%%"REG_d") \n\t" "movq %%mm5, 24(%%"REG_d") \n\t" "movq %%mm6, 40(%%"REG_d") \n\t" "emms \n\t" : : "S" (old), "D" (new), "a" ((long)os), "b" ((long)ns), "d" (out) : "memory" ); m->p = m->t = m->s = 0; for (i=0; i<8; i++) { m->p += out[i]; m->t += out[8+i]; m->s += out[16+i]; } //printf("e=%d o=%d d=%d p=%d t=%d s=%d\n", m->e, m->o, m->d, m->p, m->t, m->s); } #endif //#define MAG(a) ((a)*(a)) //#define MAG(a) (abs(a)) #define MAG(a) (((a)^((a)>>31))-((a)>>31)) //#define LOWPASS(s) (((s)[-2] + 4*(s)[-1] + 6*(s)[0] + 4*(s)[1] + (s)[2])>>4) //#define LOWPASS(s) (((s)[-1] + 2*(s)[0] + (s)[1])>>2) #define LOWPASS(s) ((s)[0]) static void block_diffs_C(struct metrics *m, unsigned char *old, unsigned char *new, int os, int ns) { int x, y, e=0, o=0, s=0, p=0, t=0; unsigned char *oldp, *newp; m->s = m->p = m->t = 0; for (x = 8; x; x--) { oldp = old++; newp = new++; s = p = t = 0; for (y = 4; y; y--) { e += MAG(newp[0]-oldp[0]); o += MAG(newp[ns]-oldp[os]); s += newp[ns]-newp[0]; p += oldp[os]-oldp[0]; t += oldp[os]-newp[0]; oldp += os<<1; newp += ns<<1; } m->s += MAG(s); m->p += MAG(p); m->t += MAG(t); } m->e = e; m->o = o; m->d = e+o; } static void (*block_diffs)(struct metrics *, unsigned char *, unsigned char *, int, int); #define MAXUP(a,b) ((a) = ((a)>(b)) ? (a) : (b)) static void diff_planes(struct frameinfo *fi, unsigned char *old, unsigned char *new, int w, int h, int os, int ns) { int x, y; struct metrics l; struct metrics *peak=&fi->p, *rel=&fi->r, *mean=&fi->m; memset(peak, 0, sizeof(struct metrics)); memset(rel, 0, sizeof(struct metrics)); memset(mean, 0, sizeof(struct metrics)); for (y = 0; y < h-7; y += 8) { for (x = 8; x < w-8-7; x += 8) { block_diffs(&l, old+x+y*os, new+x+y*ns, os, ns); mean->d += l.d; mean->e += l.e; mean->o += l.o; mean->s += l.s; mean->p += l.p; mean->t += l.t; MAXUP(peak->d, l.d); MAXUP(peak->e, l.e); MAXUP(peak->o, l.o); MAXUP(peak->s, l.s); MAXUP(peak->p, l.p); MAXUP(peak->t, l.t); MAXUP(rel->e, l.e-l.o); MAXUP(rel->o, l.o-l.e); MAXUP(rel->s, l.s-l.t); MAXUP(rel->p, l.p-l.t); MAXUP(rel->t, l.t-l.p); MAXUP(rel->d, l.t-l.s); /* hack */ } } x = (w/8-2)*(h/8); mean->d /= x; mean->e /= x; mean->o /= x; mean->s /= x; mean->p /= x; mean->t /= x; } static void diff_fields(struct frameinfo *fi, mp_image_t *old, mp_image_t *new) { diff_planes(fi, old->planes[0], new->planes[0], new->w, new->h, old->stride[0], new->stride[0]); } static void stats(struct frameinfo *f) { mp_msg(MSGT_VFILTER, MSGL_V, " pd=%d re=%d ro=%d rp=%d rt=%d rs=%d rd=%d pp=%d pt=%d ps=%d\r", f->p.d, f->r.e, f->r.o, f->r.p, f->r.t, f->r.s, f->r.d, f->p.p, f->p.t, f->p.s); } static int foo(struct vf_priv_s *p, mp_image_t *new, mp_image_t *cur) { struct frameinfo *f = p->fi; f[0] = f[1]; diff_fields(&f[1], cur, new); stats(&f[1]); // Immediately drop this frame if it's already been used. if (p->dropnext) { p->dropnext = 0; return F_DROP; } // Sometimes a pulldown frame comes all by itself, so both // its top and bottom field are duplicates from the adjacent // two frames. We can just drop such a frame, but we // immediately show the next frame instead to keep the frame // drops evenly spaced during normal 3:2 pulldown sequences. if ((3*f[1].r.o < f[1].r.e) && (f[1].r.s < f[1].r.d)) { p->dropnext = 1; return F_NEXT; } // If none of these conditions hold, we will consider the frame // progressive and just show it as-is. if (!( (3*f[0].r.e < f[0].r.o) || ((2*f[0].r.d < f[0].r.s) && (f[0].r.s > 1200)) || ((2*f[1].r.t < f[1].r.p) && (f[1].r.p > 1200)) )) return F_SHOW; // Otherwise, we have to decide whether to merge or drop. // If the noise metric only increases minimally, we're off // to a good start... if (((2*f[1].r.t < 3*f[1].r.p) && (f[1].r.t < 3600)) || (f[1].r.t < 900) || (f[1].r.d < 900)) { // ...and if noise decreases or the duplicate even field // is detected, we go ahead with the merge. if ((3*f[0].r.e < f[0].r.o) || (2*f[1].r.t < f[1].r.p)) { p->dropnext = 1; return F_MERGE; } } return F_DROP; } static void copy_image(mp_image_t *dmpi, mp_image_t *mpi, int field) { switch (field) { case 0: my_memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h/2, dmpi->stride[0]*2, mpi->stride[0]*2); if (mpi->flags & MP_IMGFLAG_PLANAR) { my_memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->chroma_width, mpi->chroma_height/2, dmpi->stride[1]*2, mpi->stride[1]*2); my_memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height/2, dmpi->stride[2]*2, mpi->stride[2]*2); } break; case 1: my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0], mpi->planes[0]+mpi->stride[0], mpi->w, mpi->h/2, dmpi->stride[0]*2, mpi->stride[0]*2); if (mpi->flags & MP_IMGFLAG_PLANAR) { my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1], mpi->planes[1]+mpi->stride[1], mpi->chroma_width, mpi->chroma_height/2, dmpi->stride[1]*2, mpi->stride[1]*2); my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2], mpi->planes[2]+mpi->stride[2], mpi->chroma_width, mpi->chroma_height/2, dmpi->stride[2]*2, mpi->stride[2]*2); } break; case 2: memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]); if (mpi->flags & MP_IMGFLAG_PLANAR) { memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->chroma_width, mpi->chroma_height, dmpi->stride[1], mpi->stride[1]); memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height, dmpi->stride[2], mpi->stride[2]); } break; } } static int do_put_image(struct vf_instance* vf, mp_image_t *dmpi) { struct vf_priv_s *p = vf->priv; int dropflag=0; if (!p->dropnext) switch (p->drop) { case 0: dropflag = 0; break; case 1: dropflag = (++p->lastdrop >= 5); break; case 2: dropflag = (++p->lastdrop >= 5) && (4*p->inframes <= 5*p->outframes); break; } if (dropflag) { //mp_msg(MSGT_VFILTER, MSGL_V, "drop! [%d/%d=%g]\n", // p->outframes, p->inframes, (float)p->outframes/p->inframes); mp_msg(MSGT_VFILTER, MSGL_V, "!"); p->lastdrop = 0; return 0; } p->outframes++; return vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE); } static int put_image(struct vf_instance* vf, mp_image_t *mpi, double pts) { int ret=0; struct vf_priv_s *p = vf->priv; p->inframes++; if (p->first) { /* hack */ p->first = 0; return 1; } if (!p->dmpi) p->dmpi = vf_get_image(vf->next, mpi->imgfmt, MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PRESERVE | MP_IMGFLAG_READABLE, mpi->width, mpi->height); /* FIXME -- not correct, off by one frame! */ p->dmpi->qscale = mpi->qscale; p->dmpi->qstride = mpi->qstride; p->dmpi->qscale_type = mpi->qscale_type; switch (foo(p, mpi, p->dmpi)) { case F_DROP: copy_image(p->dmpi, mpi, 2); ret = 0; p->lastdrop = 0; mp_msg(MSGT_VFILTER, MSGL_V, "DROP\n"); break; case F_MERGE: copy_image(p->dmpi, mpi, 0); ret = do_put_image(vf, p->dmpi); copy_image(p->dmpi, mpi, 1); mp_msg(MSGT_VFILTER, MSGL_V, "MERGE\n"); p->dmpi = NULL; break; case F_NEXT: copy_image(p->dmpi, mpi, 2); ret = do_put_image(vf, p->dmpi); mp_msg(MSGT_VFILTER, MSGL_V, "NEXT\n"); p->dmpi = NULL; break; case F_SHOW: ret = do_put_image(vf, p->dmpi); copy_image(p->dmpi, mpi, 2); mp_msg(MSGT_VFILTER, MSGL_V, "OK\n"); p->dmpi = NULL; break; } return ret; } static int query_format(struct vf_instance* vf, unsigned int fmt) { switch (fmt) { case IMGFMT_YV12: case IMGFMT_IYUV: case IMGFMT_I420: return vf_next_query_format(vf, fmt); } return 0; } static void uninit(struct vf_instance* vf) { free(vf->priv); } static int open(vf_instance_t *vf, char* args) { struct vf_priv_s *p; vf->put_image = put_image; vf->query_format = query_format; vf->uninit = uninit; vf->default_reqs = VFCAP_ACCEPT_STRIDE; vf->priv = p = calloc(1, sizeof(struct vf_priv_s)); p->drop = 0; p->first = 1; if (args) sscanf(args, "%d", &p->drop); block_diffs = block_diffs_C; #ifdef HAVE_MMX if(gCpuCaps.hasMMX) block_diffs = block_diffs_MMX; #endif return 1; } const vf_info_t vf_info_ivtc = { "inverse telecine, take 2", "ivtc", "Rich Felker", "", open, NULL };