Supporters update.

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

diff --git a/src/lib/audio_filter_graph.h b/src/lib/audio_filter_graph.h
index 8efff5d8d5df244e6963f909ecc68ec763540ab8..e5c55fa273b22009564b98fcce92f0f92bee3157 100644 (file)
--- a/src/lib/audio_filter_graph.h
+++ b/src/lib/audio_filter_graph.h
@@ -1,22 +1,28 @@
 /*
     Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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,
+    DCP-o-matic 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.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
+
+#ifndef DCPOMATIC_AUDIO_FILTER_GRAPH_H
+#define DCPOMATIC_AUDIO_FILTER_GRAPH_H
+
+
 #include "filter_graph.h"
 extern "C" {
 #include <libavfilter/buffersink.h>
@@ -27,19 +33,24 @@ class AudioBuffers;
 class AudioFilterGraph : public FilterGraph
 {
 public:
-       AudioFilterGraph (int sample_rate, int64_t channel_layout);
+       AudioFilterGraph (int sample_rate, int channels);
        ~AudioFilterGraph ();
 
-       void process (boost::shared_ptr<const AudioBuffers> audio);
+       void process (std::shared_ptr<AudioBuffers> audio);
 
 protected:
-       std::string src_parameters () const;
-       std::string src_name () const;
-       void* sink_parameters () const;
-       std::string sink_name () const;
+       std::string src_parameters () const override;
+       std::string src_name () const override;
+       void set_parameters (AVFilterContext* context) const override;
+       std::string sink_name () const override;
 
 private:
        int _sample_rate;
+       int _channels;
        int64_t _channel_layout;
        AVFrame* _in_frame;
 };
+
+
+#endif
+