/*
- Copyright (C) 2012-2013 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/>.
*/
#ifndef DCPOMATIC_DECODER_H
#define DCPOMATIC_DECODER_H
-#include <boost/shared_ptr.hpp>
-#include <boost/weak_ptr.hpp>
-#include <boost/utility.hpp>
#include "types.h"
#include "dcpomatic_time.h"
+#include <boost/utility.hpp>
class Decoded;
+class VideoDecoder;
+class AudioDecoder;
+class SubtitleDecoder;
/** @class Decoder.
* @brief Parent class for decoders of content.
public:
virtual ~Decoder () {}
-protected:
+ boost::shared_ptr<VideoDecoder> video;
+ boost::shared_ptr<AudioDecoder> audio;
+ boost::shared_ptr<SubtitleDecoder> subtitle;
+
+ enum PassReason {
+ PASS_REASON_VIDEO,
+ PASS_REASON_AUDIO,
+ PASS_REASON_SUBTITLE
+ };
+
/** 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,
* it may seek to just the right spot.
*/
virtual void seek (ContentTime time, bool accurate) = 0;
- virtual bool pass () = 0;
+
+ /** @return true if this decoder has already returned all its data and will give no more */
+ virtual bool pass (PassReason, bool accurate) = 0;
+
+ /** Ensure that any future get() calls return data that reflect
+ * changes in our content's settings.
+ */
+ virtual void reset () {}
};
#endif