--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2009 Adam Williams <broadcast at earthling dot 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef GAIN_H
+#define GAIN_H
+
+class DCOffset;
+
+#include "pluginaclient.h"
+
+class DCOffsetConfig
+{
+public:
+ DCOffsetConfig();
+ int equivalent(DCOffsetConfig &that);
+ void copy_from(DCOffsetConfig &that);
+ void interpolate(DCOffsetConfig &prev,
+ DCOffsetConfig &next,
+ int64_t prev_frame,
+ int64_t next_frame,
+ int64_t current_frame);
+
+ double level;
+};
+
+class DCOffset : public PluginAClient
+{
+public:
+ DCOffset(PluginServer *server);
+ ~DCOffset();
+
+ int process_buffer(int64_t size,
+ Samples *buffer,
+ int64_t start_position,
+ int sample_rate);
+
+ const char* plugin_title();
+ int is_realtime();
+
+ int need_collection;
+ Samples *reference;
+ double offset;
+};
+
+#endif