Move things round a bit.

1 files changed, 131 insertions, 0 deletions

diff --git a/src/lib/filter.cc b/src/lib/filter.cc
new file mode 100644
index 000000000..ab5a6316f
--- /dev/null
+++ b/src/lib/filter.cc
@@ -0,0 +1,131 @@
+/*
+    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+/** @file src/filter.cc
+ *  @brief A class to describe one of FFmpeg's video or post-processing filters.
+ */
+
+#include "filter.h"
+
+using namespace std;
+
+vector<Filter const *> Filter::_filters;
+
+/** @param i Our id.
+ *  @param n User-visible name.
+ *  @param v String for a FFmpeg video filter descriptor, or "".
+ *  @param p String for a FFmpeg post-processing descriptor, or "".
+ */
+Filter::Filter (string i, string n, string v, string p)
+	: _id (i)
+	, _name (n)
+	, _vf (v)
+	, _pp (p)
+{
+
+}
+
+/** @return All available filters */
+vector<Filter const *>
+Filter::all ()
+{
+	return _filters;
+}
+
+
+/** Set up the static _filters vector; must be called before from_*
+ *  methods are used.
+ */
+void
+Filter::setup_filters ()
+{
+	/* Note: "none" is a magic id name, so don't use it here */
+	   
+	_filters.push_back (new Filter ("pphb", "Horizontal deblocking filter", "", "hb"));
+	_filters.push_back (new Filter ("ppvb", "Vertical deblocking filter", "", "vb"));
+	_filters.push_back (new Filter ("ppha", "Horizontal deblocking filter A", "", "ha"));
+	_filters.push_back (new Filter ("ppva", "Vertical deblocking filter A", "", "va"));
+	_filters.push_back (new Filter ("pph1", "Experimental horizontal deblocking filter 1", "", "h1"));
+	_filters.push_back (new Filter ("pphv", "Experimental vertical deblocking filter 1", "", "v1"));
+	_filters.push_back (new Filter ("ppdr", "Deringing filter", "", "dr"));
+	_filters.push_back (new Filter ("pplb", "Linear blend deinterlacer", "", "lb"));
+	_filters.push_back (new Filter ("ppli", "Linear interpolating deinterlacer", "", "li"));
+	_filters.push_back (new Filter ("ppci", "Cubic interpolating deinterlacer", "", "ci"));
+	_filters.push_back (new Filter ("ppmd", "Median deinterlacer", "", "md"));
+	_filters.push_back (new Filter ("ppfd", "FFMPEG deinterlacer", "", "fd"));
+	_filters.push_back (new Filter ("ppl5", "FIR low-pass deinterlacer", "", "l5"));
+	_filters.push_back (new Filter ("mcdeint", "Motion compensating deinterlacer", "mcdeint", ""));
+	_filters.push_back (new Filter ("kerndeint", "Kernel deinterlacer", "kerndeint", ""));
+	_filters.push_back (new Filter ("pptn", "Temporal noise reducer", "", "tn"));
+	_filters.push_back (new Filter ("ppfq", "Force quantizer", "", "fq"));
+	_filters.push_back (new Filter ("gradfun", "Gradient debander", "gradfun", ""));
+	_filters.push_back (new Filter ("unsharp", "Unsharp mask and Gaussian blur", "unsharp", ""));
+	_filters.push_back (new Filter ("denoise3d", "3D denoiser", "denoise3d", ""));
+	_filters.push_back (new Filter ("hqdn3d", "High quality 3D denoiser", "hqdn3d", ""));
+	_filters.push_back (new Filter ("telecine", "Telecine filter", "telecine", ""));
+	_filters.push_back (new Filter ("ow", "Overcomplete wavelet denoiser", "mp=ow", ""));
+}
+
+/** @param filters Set of filters.
+ *  @return A pair; .first is a string to pass to FFmpeg for the video filters,
+ *  .second is a string to pass for the post-processors.
+ */
+pair<string, string>
+Filter::ffmpeg_strings (vector<Filter const *> const & filters)
+{
+	string vf;
+	string pp;
+
+	for (vector<Filter const *>::const_iterator i = filters.begin(); i != filters.end(); ++i) {
+		if (!(*i)->vf().empty ()) {
+			if (!vf.empty ()) {
+				vf += ",";
+			}
+			vf += (*i)->vf ();
+		}
+		
+		if (!(*i)->pp().empty ()) {
+			if (!pp.empty()) {
+				pp += ",";
+			}
+			pp += (*i)->pp ();
+		}
+	}
+
+	return make_pair (vf, pp);
+}
+
+/** @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) {
+		++i;
+	}
+
+	if (i == _filters.end ()) {
+		return 0;
+	}
+
+	return *i;
+}
+