X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder.h;h=583a92636443ba7cd1bd650eb3cf61144017394c;hb=d2137ac5db409e686b4d9b3fa567935a5e416d41;hp=02ccaa42b761748d9e802a6e51309bba5a083b8d;hpb=92cafb6fc686a041354da2eabde6bcb2f6846e1d;p=dcpomatic.git

diff --git a/src/lib/decoder.h b/src/lib/decoder.h
index 02ccaa42b..583a92636 100644
--- a/src/lib/decoder.h
+++ b/src/lib/decoder.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2013 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
@@ -18,60 +18,39 @@
 */
 
 /** @file  src/decoder.h
- *  @brief Parent class for decoders of content.
+ *  @brief Decoder class.
  */
 
 #ifndef DCPOMATIC_DECODER_H
 #define DCPOMATIC_DECODER_H
 
-#include <vector>
-#include <string>
-#include <stdint.h>
 #include <boost/shared_ptr.hpp>
-#include <boost/signals2.hpp>
-#include "util.h"
-#include "video_source.h"
-#include "audio_source.h"
-#include "film.h"
+#include <boost/weak_ptr.hpp>
+#include <boost/utility.hpp>
+#include "types.h"
+#include "dcpomatic_time.h"
 
-class Image;
-class Log;
-class DelayLine;
-class TimedSubtitle;
-class Subtitle;
-class FilterGraph;
+class Decoded;
 
 /** @class Decoder.
  *  @brief Parent class for decoders of content.
- *
- *  These classes can be instructed run through their content (by
- *  calling ::go), and they emit signals when video or audio data is
- *  ready for something else to process.
  */
-class Decoder
+class Decoder : public boost::noncopyable
 {
 public:
-	Decoder (boost::shared_ptr<const Film>);
 	virtual ~Decoder () {}
 
+protected:	
+	/** Seek so that the next pass() will yield the next thing
+	 *  (video/sound frame, subtitle etc.) at or after the requested
+	 *  time.  Pass accurate = true to try harder to ensure that, at worst,
+	 *  the next thing we yield comes before `time'.  This may entail
+	 *  seeking some way before `time' to be on the safe side.
+	 *  Alternatively, if seeking is 100% accurate for this decoder,
+	 *  it may seek to just the right spot.
+	 */
+	virtual void seek (ContentTime time, bool accurate) = 0;
 	virtual bool pass () = 0;
-	virtual bool seek (double);
-	virtual bool seek_back () {
-		return true;
-	}
-	virtual bool seek_forward () {
-		return true;
-	}
-
-	boost::signals2::signal<void()> OutputChanged;
-
-protected:
-	boost::shared_ptr<const Film> _film;
-
-private:
-	virtual void film_changed (Film::Property) {}
-
-	boost::signals2::scoped_connection _film_connection;
 };
 
 #endif