X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder.h;h=583a92636443ba7cd1bd650eb3cf61144017394c;hb=94201bd2a5a4cb391b7f2bdeba56b928fed7cfe1;hp=d67592ed812544c644b8766bcb1b1be1c03e84de;hpb=373f010a7f04add1f49169cbaa60cb7ae5f508d4;p=dcpomatic.git

diff --git a/src/lib/decoder.h b/src/lib/decoder.h
index d67592ed8..583a92636 100644
--- a/src/lib/decoder.h
+++ b/src/lib/decoder.h
@@ -18,7 +18,7 @@
 */
 
 /** @file  src/decoder.h
- *  @brief Parent class for decoders of content.
+ *  @brief Decoder class.
  */
 
 #ifndef DCPOMATIC_DECODER_H
@@ -27,8 +27,10 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/utility.hpp>
+#include "types.h"
+#include "dcpomatic_time.h"
 
-class Film;
+class Decoded;
 
 /** @class Decoder.
  *  @brief Parent class for decoders of content.
@@ -36,21 +38,19 @@ class Film;
 class Decoder : public boost::noncopyable
 {
 public:
-	Decoder (boost::shared_ptr<const Film>);
 	virtual ~Decoder () {}
 
-	/** Perform one decode pass of the content, which may or may not
-	 *  cause the object to emit some data.
+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 pass () = 0;
-	virtual bool done () const = 0;
-
-protected:
-
-	virtual void flush () {};
-	
-	/** The Film that we are decoding in */
-	boost::weak_ptr<const Film> _film;
+	virtual void seek (ContentTime time, bool accurate) = 0;
+	virtual bool pass () = 0;
 };
 
 #endif