mirror of
https://github.com/mpv-player/mpv
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6a09e8e2ed
for future optimization. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23475 b3059339-0415-0410-9bf9-f77b7e298cf2
349 lines
8.9 KiB
C
349 lines
8.9 KiB
C
/*
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Original AVISynth Filter Copyright (C) 2003 Donald A. Graft
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Adapted to MPlayer by Tobias Diedrich
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <math.h>
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#include "config.h"
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#include "mp_msg.h"
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "libvo/fastmemcpy.h"
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//===========================================================================//
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struct vf_priv_s {
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int frame;
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int map;
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int order;
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int thresh;
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int sharp;
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int twoway;
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int do_deinterlace;
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};
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/***************************************************************************/
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static int config(struct vf_instance_s* vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt){
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return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
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}
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static void uninit(struct vf_instance_s* vf)
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{
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free(vf->priv);
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}
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static inline int IsRGB(mp_image_t *mpi)
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{
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return mpi->imgfmt == IMGFMT_RGB;
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}
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static inline int IsYUY2(mp_image_t *mpi)
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{
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return mpi->imgfmt == IMGFMT_YUY2;
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}
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#define PLANAR_Y 0
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#define PLANAR_U 1
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#define PLANAR_V 2
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static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
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int cw= mpi->w >> mpi->chroma_x_shift;
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int ch= mpi->h >> mpi->chroma_y_shift;
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int W = mpi->w, H = mpi->h;
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const unsigned char *prvp, *prvpp, *prvpn, *prvpnn, *prvppp, *prvp4p, *prvp4n;
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const unsigned char *srcp_saved;
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const unsigned char *srcp, *srcpp, *srcpn, *srcpnn, *srcppp, *srcp3p, *srcp3n, *srcp4p, *srcp4n;
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unsigned char *dstp, *dstp_saved;
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int src_pitch;
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int psrc_pitch;
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int dst_pitch;
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int x, y, z;
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int n = vf->priv->frame++;
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int val, hi, lo, w, h;
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double valf;
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int plane;
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int threshold = vf->priv->thresh;
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int order = vf->priv->order;
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int map = vf->priv->map;
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int sharp = vf->priv->sharp;
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int twoway = vf->priv->twoway;
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mp_image_t *dmpi, *pmpi;
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if(!vf->priv->do_deinterlace)
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return vf_next_put_image(vf, mpi, pts);
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dmpi=vf_get_image(vf->next,mpi->imgfmt,
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MP_IMGTYPE_IP, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->w,mpi->h);
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pmpi=vf_get_image(vf->next,mpi->imgfmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->w,mpi->h);
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if(!dmpi) return 0;
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for (z=0; z<mpi->num_planes; z++) {
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if (z == 0) plane = PLANAR_Y;
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else if (z == 1) plane = PLANAR_U;
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else plane = PLANAR_V;
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h = plane == PLANAR_Y ? H : ch;
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w = plane == PLANAR_Y ? W : cw;
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srcp = srcp_saved = mpi->planes[z];
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src_pitch = mpi->stride[z];
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psrc_pitch = pmpi->stride[z];
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dstp = dstp_saved = dmpi->planes[z];
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dst_pitch = dmpi->stride[z];
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srcp = srcp_saved + (1-order) * src_pitch;
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dstp = dstp_saved + (1-order) * dst_pitch;
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for (y=0; y<h; y+=2) {
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fast_memcpy(dstp, srcp, w);
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srcp += 2*src_pitch;
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dstp += 2*dst_pitch;
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}
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// Copy through the lines that will be missed below.
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fast_memcpy(dstp_saved + order*dst_pitch, srcp_saved + (1-order)*src_pitch, w);
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fast_memcpy(dstp_saved + (2+order)*dst_pitch, srcp_saved + (3-order)*src_pitch, w);
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fast_memcpy(dstp_saved + (h-2+order)*dst_pitch, srcp_saved + (h-1-order)*src_pitch, w);
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fast_memcpy(dstp_saved + (h-4+order)*dst_pitch, srcp_saved + (h-3-order)*src_pitch, w);
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/* For the other field choose adaptively between using the previous field
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or the interpolant from the current field. */
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prvp = pmpi->planes[z] + 5*psrc_pitch - (1-order)*psrc_pitch;
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prvpp = prvp - psrc_pitch;
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prvppp = prvp - 2*psrc_pitch;
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prvp4p = prvp - 4*psrc_pitch;
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prvpn = prvp + psrc_pitch;
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prvpnn = prvp + 2*psrc_pitch;
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prvp4n = prvp + 4*psrc_pitch;
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srcp = srcp_saved + 5*src_pitch - (1-order)*src_pitch;
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srcpp = srcp - src_pitch;
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srcppp = srcp - 2*src_pitch;
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srcp3p = srcp - 3*src_pitch;
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srcp4p = srcp - 4*src_pitch;
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srcpn = srcp + src_pitch;
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srcpnn = srcp + 2*src_pitch;
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srcp3n = srcp + 3*src_pitch;
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srcp4n = srcp + 4*src_pitch;
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dstp = dstp_saved + 5*dst_pitch - (1-order)*dst_pitch;
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for (y = 5 - (1-order); y <= h - 5 - (1-order); y+=2)
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{
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for (x = 0; x < w; x++)
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{
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if ((threshold == 0) || (n == 0) ||
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(abs((int)prvp[x] - (int)srcp[x]) > threshold) ||
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(abs((int)prvpp[x] - (int)srcpp[x]) > threshold) ||
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(abs((int)prvpn[x] - (int)srcpn[x]) > threshold))
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{
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if (map == 1)
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{
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int g = x & ~3;
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if (IsRGB(mpi) == 1)
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{
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dstp[g++] = 255;
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dstp[g++] = 255;
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dstp[g++] = 255;
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dstp[g] = 255;
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x = g;
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}
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else if (IsYUY2(mpi) == 1)
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{
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dstp[g++] = 235;
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dstp[g++] = 128;
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dstp[g++] = 235;
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dstp[g] = 128;
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x = g;
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}
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else
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{
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if (plane == PLANAR_Y) dstp[x] = 235;
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else dstp[x] = 128;
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}
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}
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else
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{
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if (IsRGB(mpi))
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{
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hi = 255;
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lo = 0;
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}
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else if (IsYUY2(mpi))
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{
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hi = (x & 1) ? 240 : 235;
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lo = 16;
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}
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else
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{
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hi = (plane == PLANAR_Y) ? 235 : 240;
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lo = 16;
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}
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if (sharp == 1)
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{
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if (twoway == 1)
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valf = + 0.526*((int)srcpp[x] + (int)srcpn[x])
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+ 0.170*((int)srcp[x] + (int)prvp[x])
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- 0.116*((int)srcppp[x] + (int)srcpnn[x] + (int)prvppp[x] + (int)prvpnn[x])
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- 0.026*((int)srcp3p[x] + (int)srcp3n[x])
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+ 0.031*((int)srcp4p[x] + (int)srcp4n[x] + (int)prvp4p[x] + (int)prvp4n[x]);
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else
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valf = + 0.526*((int)srcpp[x] + (int)srcpn[x])
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+ 0.170*((int)prvp[x])
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- 0.116*((int)prvppp[x] + (int)prvpnn[x])
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- 0.026*((int)srcp3p[x] + (int)srcp3n[x])
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+ 0.031*((int)prvp4p[x] + (int)prvp4p[x]);
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if (valf > hi) valf = hi;
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else if (valf < lo) valf = lo;
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dstp[x] = (int) valf;
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}
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else
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{
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if (twoway == 1)
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val = (8*((int)srcpp[x] + (int)srcpn[x]) + 2*((int)srcp[x] + (int)prvp[x]) -
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(int)(srcppp[x]) - (int)(srcpnn[x]) -
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(int)(prvppp[x]) - (int)(prvpnn[x])) >> 4;
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else
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val = (8*((int)srcpp[x] + (int)srcpn[x]) + 2*((int)prvp[x]) -
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(int)(prvppp[x]) - (int)(prvpnn[x])) >> 4;
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if (val > hi) val = hi;
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else if (val < lo) val = lo;
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dstp[x] = (int) val;
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}
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}
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}
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else
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{
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dstp[x] = srcp[x];
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}
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}
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prvp += 2*psrc_pitch;
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prvpp += 2*psrc_pitch;
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prvppp += 2*psrc_pitch;
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prvpn += 2*psrc_pitch;
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prvpnn += 2*psrc_pitch;
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prvp4p += 2*psrc_pitch;
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prvp4n += 2*psrc_pitch;
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srcp += 2*src_pitch;
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srcpp += 2*src_pitch;
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srcppp += 2*src_pitch;
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srcp3p += 2*src_pitch;
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srcp4p += 2*src_pitch;
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srcpn += 2*src_pitch;
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srcpnn += 2*src_pitch;
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srcp3n += 2*src_pitch;
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srcp4n += 2*src_pitch;
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dstp += 2*dst_pitch;
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}
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srcp = mpi->planes[z];
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dstp = pmpi->planes[z];
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for (y=0; y<h; y++) {
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fast_memcpy(dstp, srcp, w);
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srcp += src_pitch;
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dstp += psrc_pitch;
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}
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}
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return vf_next_put_image(vf,dmpi, pts);
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}
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//===========================================================================//
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static int query_format(struct vf_instance_s* vf, unsigned int fmt){
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switch(fmt)
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{
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case IMGFMT_YV12:
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case IMGFMT_RGB:
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case IMGFMT_YUY2:
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return vf_next_query_format(vf, fmt);
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}
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return 0;
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}
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static int control(struct vf_instance_s* vf, int request, void* data){
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switch (request)
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{
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case VFCTRL_GET_DEINTERLACE:
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*(int*)data = vf->priv->do_deinterlace;
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return CONTROL_OK;
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case VFCTRL_SET_DEINTERLACE:
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vf->priv->do_deinterlace = *(int*)data;
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return CONTROL_OK;
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}
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return vf_next_control (vf, request, data);
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}
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static int open(vf_instance_t *vf, char* args){
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vf->control=control;
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vf->config=config;
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vf->put_image=put_image;
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vf->query_format=query_format;
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vf->uninit=uninit;
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vf->priv=malloc(sizeof(struct vf_priv_s));
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memset(vf->priv, 0, sizeof(struct vf_priv_s));
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vf->priv->frame = 0;
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vf->priv->map = 0;
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vf->priv->order = 0;
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vf->priv->thresh = 10;
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vf->priv->sharp = 0;
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vf->priv->twoway = 0;
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vf->priv->do_deinterlace=1;
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if (args)
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{
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sscanf(args, "%d:%d:%d:%d:%d",
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&vf->priv->thresh, &vf->priv->map,
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&vf->priv->order, &vf->priv->sharp,
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&vf->priv->twoway);
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}
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if (vf->priv->order > 1) vf->priv->order = 1;
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return 1;
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}
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vf_info_t vf_info_kerndeint = {
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"Kernel Deinterlacer",
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"kerndeint",
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"Donald Graft",
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"",
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open,
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NULL
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};
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//===========================================================================//
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