* @brief Parent class for decoders of content.
*/
-#include <iostream>
-#include "film.h"
-#include "exceptions.h"
-#include "util.h"
#include "decoder.h"
+#include "decoded.h"
#include "i18n.h"
-using std::string;
+using std::cout;
using boost::shared_ptr;
-/** @param f Film.
- * @param o Decode options.
+/** @param o Decode options.
*/
-Decoder::Decoder (shared_ptr<const Film> f)
- : _film (f)
+Decoder::Decoder ()
+ : _done (false)
{
- _film_connection = f->Changed.connect (bind (&Decoder::film_changed, this, _1));
+
}
-/** Seek to a position as a content timestamp in seconds.
- * @return true on error.
- */
-bool
-Decoder::seek (double)
+struct DecodedSorter
+{
+ bool operator() (shared_ptr<Decoded> a, shared_ptr<Decoded> b)
+ {
+ return a->dcp_time < b->dcp_time;
+ }
+};
+
+shared_ptr<Decoded>
+Decoder::peek ()
+{
+ while (!_done && _pending.empty ()) {
+ _done = pass ();
+ }
+
+ if (_done && _pending.empty ()) {
+ return shared_ptr<Decoded> ();
+ }
+
+ _pending.sort (DecodedSorter ());
+ return _pending.front ();
+}
+
+void
+Decoder::consume ()
+{
+ if (!_pending.empty ()) {
+ _pending.pop_front ();
+ }
+}
+
+void
+Decoder::seek (ContentTime, bool)
{
- throw DecodeError (N_("decoder does not support seek"));
+ _pending.clear ();
+ _done = false;
}