*/
/** @file src/decoder.h
- * @brief Parent class for decoders of content.
+ * @brief Decoder class.
*/
#ifndef DCPOMATIC_DECODER_H
#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.
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 get close to
+ * the request. Note that seeking to time t may mean that
+ * the next pass() yields, for example, audio at time t and then
+ * video before it.
*/
- virtual void pass () = 0;
-
- virtual bool done () const = 0;
-
-protected:
-
- /** 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