2002-06-14 01:14:56 +00:00
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/*
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2008-05-13 10:16:20 +00:00
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* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
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*
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2015-04-13 07:36:54 +00:00
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* This file is part of mpv.
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2008-05-13 10:16:20 +00:00
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*
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2015-04-13 07:36:54 +00:00
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* mpv is free software; you can redistribute it and/or modify
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2008-05-13 10:16:20 +00:00
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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; either version 2 of the License, or
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* (at your option) any later version.
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*
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2015-04-13 07:36:54 +00:00
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* mpv is distributed in the hope that it will be useful,
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2008-05-13 10:16:20 +00:00
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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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*
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* You should have received a copy of the GNU General Public License along
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2015-04-13 07:36:54 +00:00
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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2008-05-13 10:16:20 +00:00
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*/
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2002-06-14 01:14:56 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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2014-04-19 15:18:10 +00:00
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2005-11-18 14:39:25 +00:00
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#include "config.h"
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2013-12-17 01:39:45 +00:00
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#include "common/msg.h"
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2013-12-17 01:02:25 +00:00
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#include "options/m_option.h"
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2002-06-14 01:14:56 +00:00
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#include "vf.h"
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2013-12-03 21:28:36 +00:00
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#include "vf_lavfi.h"
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2002-06-14 01:14:56 +00:00
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struct vf_priv_s {
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2015-02-11 16:20:22 +00:00
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int strength;
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int averaged;
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int pattern;
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int temporal;
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int uniform;
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struct vf_lw_opts *lw_opts;
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2002-06-14 01:14:56 +00:00
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};
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2013-12-03 23:01:38 +00:00
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static int vf_open(vf_instance_t *vf){
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2013-12-03 21:28:36 +00:00
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#define CH(f) ((f) ? '+' : '-')
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struct vf_priv_s *p = vf->priv;
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if (vf_lw_set_graph(vf, p->lw_opts, "noise", "-1:%d:%ca%cp%ct%cu",
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p->strength, CH(p->averaged), CH(p->pattern),
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CH(p->temporal), CH(p->uniform)) >= 0)
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2002-06-14 01:14:56 +00:00
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{
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2013-12-03 21:28:36 +00:00
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return 1;
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2002-06-14 01:14:56 +00:00
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}
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2002-06-16 13:45:52 +00:00
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2015-02-11 16:20:22 +00:00
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MP_FATAL(vf, "This version of libavfilter has no 'noise' filter.\n");
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return 0;
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2002-06-14 01:14:56 +00:00
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}
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2013-12-03 21:28:36 +00:00
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#define OPT_BASE_STRUCT struct vf_priv_s
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2007-12-02 14:57:15 +00:00
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const vf_info_t vf_info_noise = {
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2013-10-23 17:06:42 +00:00
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.description = "noise generator",
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.name = "noise",
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.open = vf_open,
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2013-12-03 21:28:36 +00:00
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.priv_size = sizeof(struct vf_priv_s),
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.options = (const struct m_option[]){
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2013-12-04 01:17:19 +00:00
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OPT_INTRANGE("strength", strength, 0, 0, 100, OPTDEF_INT(2)),
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2013-12-03 21:28:36 +00:00
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OPT_FLAG("averaged", averaged, 0),
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OPT_FLAG("pattern", pattern, 0),
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OPT_FLAG("temporal", temporal, 0),
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OPT_FLAG("uniform", uniform, 0),
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OPT_SUBSTRUCT("", lw_opts, vf_lw_conf, 0),
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{0}
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},
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2002-06-14 01:14:56 +00:00
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};
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//===========================================================================//
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