diff options
Diffstat (limited to 'libmpcodecs/vf_ivtc.c')
-rw-r--r-- | libmpcodecs/vf_ivtc.c | 555 |
1 files changed, 0 insertions, 555 deletions
diff --git a/libmpcodecs/vf_ivtc.c b/libmpcodecs/vf_ivtc.c deleted file mode 100644 index 966292ff14..0000000000 --- a/libmpcodecs/vf_ivtc.c +++ /dev/null @@ -1,555 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#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; - struct vf_detc_pts_buf ptsbuf; -}; - -enum { - F_DROP, - F_MERGE, - F_NEXT, - F_SHOW -}; - -#if HAVE_MMX && HAVE_EBX_AVAILABLE -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, double pts) -{ - 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; - vf_detc_adjust_pts(&p->ptsbuf, pts, 0, 1); - return 0; - } - - p->outframes++; - return vf_next_put_image(vf, dmpi, vf_detc_adjust_pts(&p->ptsbuf, pts, 0, 0)); -} - -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; - vf_detc_adjust_pts(&p->ptsbuf, pts, 0, 1); - 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"); - vf_detc_adjust_pts(&p->ptsbuf, pts, 0, 1); - break; - case F_MERGE: - copy_image(p->dmpi, mpi, 0); - ret = do_put_image(vf, p->dmpi, pts); - 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, pts); - mp_msg(MSGT_VFILTER, MSGL_V, "NEXT\n"); - p->dmpi = NULL; - break; - case F_SHOW: - ret = do_put_image(vf, p->dmpi, pts); - 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 vf_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; -#if HAVE_MMX && HAVE_EBX_AVAILABLE - if(gCpuCaps.hasMMX) block_diffs = block_diffs_MMX; -#endif - vf_detc_init_pts_buf(&p->ptsbuf); - return 1; -} - -const vf_info_t vf_info_ivtc = { - "inverse telecine, take 2", - "ivtc", - "Rich Felker", - "", - vf_open, - NULL -}; |