Move things round a bit.

1 files changed, 87 insertions, 0 deletions

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
new file mode 100644
index 000000000..bed2c0988
--- /dev/null
+++ b/src/lib/encoder.h
@@ -0,0 +1,87 @@
+/*
+    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.
+
+*/
+
+#ifndef DVDOMATIC_ENCODER_H
+#define DVDOMATIC_ENCODER_H
+
+/** @file src/encoder.h
+ *  @brief Parent class for classes which can encode video and audio frames.
+ */
+
+#include <boost/shared_ptr.hpp>
+#include <boost/thread/mutex.hpp>
+#include <list>
+#include <stdint.h>
+
+class FilmState;
+class Options;
+class Image;
+class Log;
+
+/** @class Encoder
+ *  @brief Parent class for classes which can encode video and audio frames.
+ *
+ *  Video is supplied to process_video as YUV frames, and audio
+ *  is supplied as uncompressed PCM in blocks of various sizes.
+ *
+ *  The subclass is expected to encode the video and/or audio in
+ *  some way and write it to disk.
+ */
+
+class Encoder
+{
+public:
+	Encoder (boost::shared_ptr<const FilmState> s, boost::shared_ptr<const Options> o, Log* l);
+
+	/** Called to indicate that a processing run is about to begin */
+	virtual void process_begin () = 0;
+
+	/** Called with a frame of video.
+	 *  @param i Video frame image.
+	 *  @param f Frame number within the film.
+	 */
+	virtual void process_video (boost::shared_ptr<Image> i, int f) = 0;
+
+	/** Called with some audio data.
+	 *  @param d Data.
+	 *  @param s Size of data (in bytes)
+	 */
+	virtual void process_audio (uint8_t* d, int s) = 0;
+
+	/** Called when a processing run has finished */
+	virtual void process_end () = 0;
+
+	float current_frames_per_second () const;
+
+protected:
+	void frame_done ();
+	
+	/** FilmState of the film that we are encoding */
+	boost::shared_ptr<const FilmState> _fs;
+	/** Options */
+	boost::shared_ptr<const Options> _opt;
+	/** Log */
+	Log* _log;
+
+	mutable boost::mutex _history_mutex;
+	std::list<struct timeval> _time_history;
+	static int const _history_size;
+};
+
+#endif