diff options
author | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-08-14 14:04:23 +0400 |
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committer | Stefano Sabatini <stefano.sabatini-lala@poste.it> | 2011-08-14 14:26:44 +0400 |
commit | 6e89bdfecf723d642fe52180af25918c3bd762a2 (patch) | |
tree | fe90a95c18e49b1f6ca4a59481e0274c3e1f2c34 /libavfilter/libmpcodecs | |
parent | 2701f6cc6aca624e6d26f1bd3bd6190b8024ea6b (diff) |
lavfi: remove delogo mp wrapper
The delogo filter has been natively integrated into libavfilter,
simplify.
Diffstat (limited to 'libavfilter/libmpcodecs')
-rw-r--r-- | libavfilter/libmpcodecs/vf_delogo.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/libavfilter/libmpcodecs/vf_delogo.c b/libavfilter/libmpcodecs/vf_delogo.c deleted file mode 100644 index 7a69e57863..0000000000 --- a/libavfilter/libmpcodecs/vf_delogo.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * Copyright (C) 2002 Jindrich Makovicka <makovick@gmail.com> - * - * 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. - */ - -/* A very simple tv station logo remover */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <inttypes.h> -#include <math.h> - -#include "mp_msg.h" -#include "cpudetect.h" -#include "img_format.h" -#include "mp_image.h" -#include "vf.h" -#include "libvo/fastmemcpy.h" - -//===========================================================================// - -struct vf_priv_s { - unsigned int outfmt; - int xoff, yoff, lw, lh, band, show; -}; - -#define MIN(a,b) (((a) < (b)) ? (a) : (b)) -#define MAX(a,b) (((a) > (b)) ? (a) : (b)) - -static void delogo(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int width, int height, - int logo_x, int logo_y, int logo_w, int logo_h, int band, int show, int direct) { - int y, x; - int interp, dist; - uint8_t *xdst, *xsrc; - - uint8_t *topleft, *botleft, *topright; - int xclipl, xclipr, yclipt, yclipb; - int logo_x1, logo_x2, logo_y1, logo_y2; - - xclipl = MAX(-logo_x, 0); - xclipr = MAX(logo_x+logo_w-width, 0); - yclipt = MAX(-logo_y, 0); - yclipb = MAX(logo_y+logo_h-height, 0); - - logo_x1 = logo_x + xclipl; - logo_x2 = logo_x + logo_w - xclipr; - logo_y1 = logo_y + yclipt; - logo_y2 = logo_y + logo_h - yclipb; - - topleft = src+logo_y1*srcStride+logo_x1; - topright = src+logo_y1*srcStride+logo_x2-1; - botleft = src+(logo_y2-1)*srcStride+logo_x1; - - if (!direct) memcpy_pic(dst, src, width, height, dstStride, srcStride); - - dst += (logo_y1+1)*dstStride; - src += (logo_y1+1)*srcStride; - - for(y = logo_y1+1; y < logo_y2-1; y++) - { - for (x = logo_x1+1, xdst = dst+logo_x1+1, xsrc = src+logo_x1+1; x < logo_x2-1; x++, xdst++, xsrc++) { - interp = ((topleft[srcStride*(y-logo_y-yclipt)] - + topleft[srcStride*(y-logo_y-1-yclipt)] - + topleft[srcStride*(y-logo_y+1-yclipt)])*(logo_w-(x-logo_x))/logo_w - + (topright[srcStride*(y-logo_y-yclipt)] - + topright[srcStride*(y-logo_y-1-yclipt)] - + topright[srcStride*(y-logo_y+1-yclipt)])*(x-logo_x)/logo_w - + (topleft[x-logo_x-xclipl] - + topleft[x-logo_x-1-xclipl] - + topleft[x-logo_x+1-xclipl])*(logo_h-(y-logo_y))/logo_h - + (botleft[x-logo_x-xclipl] - + botleft[x-logo_x-1-xclipl] - + botleft[x-logo_x+1-xclipl])*(y-logo_y)/logo_h - )/6; -/* interp = (topleft[srcStride*(y-logo_y)]*(logo_w-(x-logo_x))/logo_w - + topright[srcStride*(y-logo_y)]*(x-logo_x)/logo_w - + topleft[x-logo_x]*(logo_h-(y-logo_y))/logo_h - + botleft[x-logo_x]*(y-logo_y)/logo_h - )/2;*/ - if (y >= logo_y+band && y < logo_y+logo_h-band && x >= logo_x+band && x < logo_x+logo_w-band) { - *xdst = interp; - } else { - dist = 0; - if (x < logo_x+band) dist = MAX(dist, logo_x-x+band); - else if (x >= logo_x+logo_w-band) dist = MAX(dist, x-(logo_x+logo_w-1-band)); - if (y < logo_y+band) dist = MAX(dist, logo_y-y+band); - else if (y >= logo_y+logo_h-band) dist = MAX(dist, y-(logo_y+logo_h-1-band)); - *xdst = (*xsrc*dist + interp*(band-dist))/band; - if (show && (dist == band-1)) *xdst = 0; - } - } - - dst+= dstStride; - src+= srcStride; - } -} - -static int config(struct vf_instance *vf, - int width, int height, int d_width, int d_height, - unsigned int flags, unsigned int outfmt){ - - return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); -} - - -static void get_image(struct vf_instance *vf, mp_image_t *mpi){ - if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change - if(mpi->imgfmt!=vf->priv->outfmt) return; // colorspace differ - // ok, we can do pp in-place (or pp disabled): - vf->dmpi=vf_get_image(vf->next,mpi->imgfmt, - mpi->type, mpi->flags, mpi->w, mpi->h); - mpi->planes[0]=vf->dmpi->planes[0]; - mpi->stride[0]=vf->dmpi->stride[0]; - mpi->width=vf->dmpi->width; - if(mpi->flags&MP_IMGFLAG_PLANAR){ - mpi->planes[1]=vf->dmpi->planes[1]; - mpi->planes[2]=vf->dmpi->planes[2]; - mpi->stride[1]=vf->dmpi->stride[1]; - mpi->stride[2]=vf->dmpi->stride[2]; - } - mpi->flags|=MP_IMGFLAG_DIRECT; -} - -static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){ - mp_image_t *dmpi; - - if(!(mpi->flags&MP_IMGFLAG_DIRECT)){ - // no DR, so get a new image! hope we'll get DR buffer: - vf->dmpi=vf_get_image(vf->next,vf->priv->outfmt, - MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE, - mpi->w,mpi->h); - } - dmpi= vf->dmpi; - - delogo(dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], mpi->w, mpi->h, - vf->priv->xoff, vf->priv->yoff, vf->priv->lw, vf->priv->lh, vf->priv->band, vf->priv->show, - mpi->flags&MP_IMGFLAG_DIRECT); - delogo(dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], mpi->w/2, mpi->h/2, - vf->priv->xoff/2, vf->priv->yoff/2, vf->priv->lw/2, vf->priv->lh/2, vf->priv->band/2, vf->priv->show, - mpi->flags&MP_IMGFLAG_DIRECT); - delogo(dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], mpi->w/2, mpi->h/2, - vf->priv->xoff/2, vf->priv->yoff/2, vf->priv->lw/2, vf->priv->lh/2, vf->priv->band/2, vf->priv->show, - mpi->flags&MP_IMGFLAG_DIRECT); - - vf_clone_mpi_attributes(dmpi, mpi); - - return vf_next_put_image(vf,dmpi, pts); -} - -static void uninit(struct vf_instance *vf){ - if(!vf->priv) return; - - free(vf->priv); - vf->priv=NULL; -} - -//===========================================================================// - -static int query_format(struct vf_instance *vf, unsigned int fmt){ - switch(fmt) - { - case IMGFMT_YV12: - case IMGFMT_I420: - case IMGFMT_IYUV: - return vf_next_query_format(vf,vf->priv->outfmt); - } - return 0; -} - -static const unsigned int fmt_list[]={ - IMGFMT_YV12, - IMGFMT_I420, - IMGFMT_IYUV, - 0 -}; - -static int vf_open(vf_instance_t *vf, char *args){ - int res=0; - vf->config=config; - vf->put_image=put_image; - vf->get_image=get_image; - vf->query_format=query_format; - vf->uninit=uninit; - - vf->priv=malloc(sizeof(struct vf_priv_s)); - memset(vf->priv, 0, sizeof(struct vf_priv_s)); - - if (args) res = sscanf(args, "%d:%d:%d:%d:%d", - &vf->priv->xoff, &vf->priv->yoff, - &vf->priv->lw, &vf->priv->lh, - &vf->priv->band); - - if (res != 5) { - mp_msg(MSGT_VFILTER, MSGL_ERR, "deLogo: syntax is \"delogo=xoff:yoff:width:height:band\"\n"); - uninit(vf); - return 0; - } - - mp_msg(MSGT_VFILTER, MSGL_V, "delogo: %d x %d, %d x %d, band = %d\n", - vf->priv->xoff, vf->priv->yoff, - vf->priv->lw, vf->priv->lh, - vf->priv->band); - - vf->priv->show = 0; - - if (vf->priv->band < 0) { - vf->priv->band = 4; - vf->priv->show = 1; - } - - - vf->priv->lw += vf->priv->band*2; - vf->priv->lh += vf->priv->band*2; - vf->priv->xoff -= vf->priv->band; - vf->priv->yoff -= vf->priv->band; - - // check csp: - vf->priv->outfmt=vf_match_csp(&vf->next,fmt_list,IMGFMT_YV12); - if(!vf->priv->outfmt) - { - uninit(vf); - return 0; // no csp match :( - } - - return 1; -} - -const vf_info_t vf_info_delogo = { - "simple logo remover", - "delogo", - "Jindrich Makovicka, Alex Beregszaszi", - "", - vf_open, -}; - -//===========================================================================// |