Move things round a bit.

[dcpomatic.git] / src / lib / scaler.h

diff --git a/src/lib/scaler.h b/src/lib/scaler.h
new file mode 100644 (file)
index 0000000..8ededfe
--- /dev/null
+++ b/src/lib/scaler.h
@@ -0,0 +1,78 @@
+/*
+    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/scaler.h
+ *  @brief A class to describe one of FFmpeg's software scalers.
+ */
+
+#ifndef DVDOMATIC_SCALER_H
+#define DVDOMATIC_SCALER_H
+
+#include <string>
+#include <vector>
+
+/** @class Scaler
+ *  @brief Class to describe one of FFmpeg's software scalers
+ */
+class Scaler
+{
+public:
+       Scaler (int f, int m, std::string i, std::string n);
+
+       /** @return id used for calls to FFmpeg's pp_postprocess */
+       int ffmpeg_id () const {
+               return _ffmpeg_id;
+       }
+
+       /** @return number to use on an mplayer command line */
+       int mplayer_id () const {
+               return _mplayer_id;
+       }
+
+       /** @return id for our use */
+       std::string id () const {
+               return _id;
+       }
+
+       /** @return user-visible name for this scaler */
+       std::string name () const {
+               return _name;
+       }
+       
+       static std::vector<Scaler const *> all ();
+       static void setup_scalers ();
+       static Scaler const * from_id (std::string id);
+       static Scaler const * from_index (int);
+       static int as_index (Scaler const *);
+
+private:
+
+       /** id used for calls to FFmpeg's pp_postprocess */
+       int _ffmpeg_id;
+       int _mplayer_id;
+       /** id for our use */
+       std::string _id;
+       /** user-visible name for this scaler */
+       std::string _name;
+
+       /** sll available scalers */
+       static std::vector<Scaler const *> _scalers;
+};
+
+#endif