/*
- Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2021 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.h
* @brief Decoder class.
*/
+
#ifndef DCPOMATIC_DECODER_H
#define DCPOMATIC_DECODER_H
-#include "types.h"
+
#include "dcpomatic_time.h"
+#include "weak_film.h"
#include <boost/utility.hpp>
+
+class AtmosDecoder;
+class AudioDecoder;
class Decoded;
+class DecoderPart;
+class TextDecoder;
+class VideoDecoder;
+
/** @class Decoder.
* @brief Parent class for decoders of content.
*/
-class Decoder : public boost::noncopyable
+class Decoder : public WeakConstFilm
{
public:
+ Decoder (std::weak_ptr<const Film> film);
virtual ~Decoder () {}
-protected:
- friend class AudioDecoderStream;
+ Decoder (Decoder const&) = delete;
+ Decoder& operator= (Decoder const&) = delete;
- /** 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 seek (ContentTime time, bool accurate) = 0;
+ std::shared_ptr<VideoDecoder> video;
+ std::shared_ptr<AudioDecoder> audio;
+ std::list<std::shared_ptr<TextDecoder>> text;
+ std::shared_ptr<AtmosDecoder> atmos;
- enum PassReason {
- PASS_REASON_VIDEO,
- PASS_REASON_AUDIO,
- PASS_REASON_SUBTITLE
- };
+ std::shared_ptr<TextDecoder> only_text () const;
- /** @return true if this decoder has already returned all its data and will give no more */
- virtual bool pass (PassReason, bool accurate) = 0;
+ /** Do some decoding and perhaps emit video, audio or subtitle data.
+ * @return true if this decoder will emit no more data unless a seek() happens.
+ */
+ virtual bool pass () = 0;
+ virtual void seek (dcpomatic::ContentTime time, bool accurate);
+
+ virtual dcpomatic::ContentTime position () const;
};
+
#endif