X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Flib%2Fdecoder.h;h=d87ff610ac47d3a9eae2eb795ac072a397c26b3f;hb=a93d6e9872f0de79f5d612320837a1fc9d557f63;hp=b550bf5cbe55e990eadd13aa95baab47a7f3f010;hpb=f45cbb73068321d857249aaa21f770b87493c7c2;p=dcpomatic.git diff --git a/src/lib/decoder.h b/src/lib/decoder.h index b550bf5cb..d87ff610a 100644 --- a/src/lib/decoder.h +++ b/src/lib/decoder.h @@ -1,90 +1,59 @@ /* - Copyright (C) 2012-2013 Carl Hetherington + Copyright (C) 2012-2016 Carl Hetherington - 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 . */ /** @file src/decoder.h - * @brief Parent class for decoders of content. + * @brief Decoder class. */ #ifndef DCPOMATIC_DECODER_H #define DCPOMATIC_DECODER_H -#include -#include -#include -#include -#include -#include "video_source.h" -#include "audio_source.h" -#include "film.h" +#include "types.h" +#include "dcpomatic_time.h" +#include -class Image; -class Log; -class DelayLine; -class TimedSubtitle; -class Subtitle; -class FilterGraph; +class Decoded; +class VideoDecoder; +class AudioDecoder; +class SubtitleDecoder; +class DecoderPart; /** @class Decoder. * @brief Parent class for decoders of content. */ -class Decoder +class Decoder : public boost::noncopyable { public: - Decoder (boost::shared_ptr); virtual ~Decoder () {} - /** Perform one decode pass of the content, which may or may not - * cause the object to emit some data. - */ - virtual void pass () = 0; + boost::shared_ptr video; + boost::shared_ptr audio; + boost::shared_ptr subtitle; - /** Seek this decoder to as close as possible to some time, - * expressed relative to our source's start. - * @param t Time. - * @param a true to try hard to be accurate, otherwise false. + /** 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 void seek (Time) = 0; - - /** Seek back one video frame */ - virtual void seek_back () = 0; - - /** Seek forward one video frame */ - virtual void seek_forward () = 0; - - /** @return Approximate time of the next content that we will emit, - * expressed relative to the start of our source. - */ - virtual Time next () const = 0; - - virtual bool done () const = 0; - -protected: - - /** The Film that we are decoding in */ - boost::weak_ptr _film; - -private: - /** This will be called when our Film emits Changed */ - virtual void film_changed (Film::Property) {} + virtual bool pass () = 0; + virtual void seek (ContentTime time, bool accurate); - /** Connection to our Film */ - boost::signals2::scoped_connection _film_connection; + ContentTime position () const; }; #endif