/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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,
+ DCP-o-matic 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.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
-/** @file src/decoder.cc
- * @brief Parent class for decoders of content.
- */
-
#include "decoder.h"
-#include "decoded.h"
-
-#include "i18n.h"
+#include "decoder_part.h"
+#include <iostream>
using std::cout;
-using boost::shared_ptr;
-
-/** @param o Decode options.
- */
-Decoder::Decoder ()
- : _done (false)
-{
-
-}
-
-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 ();
-}
+using boost::optional;
void
-Decoder::consume ()
+Decoder::maybe_seek (optional<ContentTime> position, ContentTime time, bool accurate)
{
- if (!_pending.empty ()) {
- _pending.pop_front ();
+ if (position && (time >= position.get() && time < (position.get() + ContentTime::from_seconds(1)))) {
+ /* No need to seek: caller should just pass() */
+ return;
}
-}
-void
-Decoder::seek (ContentTime, bool)
-{
- _pending.clear ();
- _done = false;
+ seek (time, accurate);
}