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[dcpomatic.git] / src / lib / filter.cc

diff --git a/src/lib/filter.cc b/src/lib/filter.cc
index 663d1454742e63f388af460430f048cf68abd4b0..9158cba5c10b6741995433ea767c2a3899611920 100644 (file)
--- a/src/lib/filter.cc
+++ b/src/lib/filter.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -18,22 +18,28 @@
 
 */
 
+
 /** @file src/filter.cc
  *  @brief A class to describe one of FFmpeg's video or audio filters.
  */
 
+
 #include "filter.h"
+#include <dcp/warnings.h>
+LIBDCP_DISABLE_WARNINGS
 extern "C" {
 #include <libavfilter/avfilter.h>
 }
-#include <boost/foreach.hpp>
-#include <iostream>
+LIBDCP_ENABLE_WARNINGS
 
 #include "i18n.h"
 
+
 using namespace std;
 
-vector<Filter const *> Filter::_filters;
+
+vector<Filter> Filter::_filters;
+
 
 /** @param i Our id.
  *  @param n User-visible name.
@@ -49,13 +55,19 @@ Filter::Filter (string i, string n, string c, string f)
 
 }
 
+
 /** @return All available filters */
 vector<Filter const *>
 Filter::all ()
 {
-       return _filters;
+       vector<Filter const *> raw;
+       for (auto& filter: _filters) {
+               raw.push_back (&filter);
+       }
+       return raw;
 }
 
+
 /** Set up the static _filters vector; must be called before from_*
  *  methods are used.
  */
@@ -81,6 +93,7 @@ Filter::setup_filters ()
        maybe_add (N_("ow"),          _("Overcomplete wavelet denoiser"),    _("Noise reduction"), N_("mp=ow"));
 }
 
+
 void
 Filter::maybe_add (string i, string n, string c, string f)
 {
@@ -90,11 +103,12 @@ Filter::maybe_add (string i, string n, string c, string f)
                check_name = check_name.substr (0, end);
        }
 
-       if (avfilter_get_by_name (check_name.c_str())) {
-               _filters.push_back (new Filter (i, n, c, f));
+       if (avfilter_get_by_name(check_name.c_str())) {
+               _filters.push_back (Filter(i, n, c, f));
        }
 }
 
+
 /** @param filters Set of filters.
  *  @return String to pass to FFmpeg for the video filters.
  */
@@ -103,7 +117,7 @@ Filter::ffmpeg_string (vector<Filter const *> const & filters)
 {
        string ff;
 
-       BOOST_FOREACH (Filter const * i, filters) {
+       for (auto const i: filters) {
                if (!ff.empty ()) {
                        ff += N_(",");
                }
@@ -113,20 +127,21 @@ Filter::ffmpeg_string (vector<Filter const *> const & filters)
        return ff;
 }
 
+
 /** @param d Our id.
  *  @return Corresponding Filter, or 0.
  */
 Filter const *
 Filter::from_id (string d)
 {
-       vector<Filter const *>::iterator i = _filters.begin ();
-       while (i != _filters.end() && (*i)->id() != d) {
+       auto i = _filters.begin ();
+       while (i != _filters.end() && i->id() != d) {
                ++i;
        }
 
        if (i == _filters.end ()) {
-               return 0;
+               return nullptr;
        }
 
-       return *i;
+       return &(*i);
 }