X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fdecoder.h;h=d67592ed812544c644b8766bcb1b1be1c03e84de;hb=a3241f40b061480a0907699a5857075388216643;hp=02ccaa42b761748d9e802a6e51309bba5a083b8d;hpb=9525e7726e4d488f193957d4fcf1cc1725581ae8;p=dcpomatic.git diff --git a/src/lib/decoder.h b/src/lib/decoder.h index 02ccaa42b..d67592ed8 100644 --- a/src/lib/decoder.h +++ b/src/lib/decoder.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2013 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,54 +24,33 @@ #ifndef DCPOMATIC_DECODER_H #define DCPOMATIC_DECODER_H -#include -#include -#include #include -#include -#include "util.h" -#include "video_source.h" -#include "audio_source.h" -#include "film.h" +#include +#include -class Image; -class Log; -class DelayLine; -class TimedSubtitle; -class Subtitle; -class FilterGraph; +class Film; /** @class Decoder. * @brief Parent class for decoders of content. - * - * These classes can be instructed run through their content (by - * calling ::go), and they emit signals when video or audio data is - * ready for something else to process. */ -class Decoder +class Decoder : public boost::noncopyable { public: Decoder (boost::shared_ptr); virtual ~Decoder () {} - virtual bool pass () = 0; - virtual bool seek (double); - virtual bool seek_back () { - return true; - } - virtual bool seek_forward () { - return true; - } - - boost::signals2::signal OutputChanged; + /** Perform one decode pass of the content, which may or may not + * cause the object to emit some data. + */ + virtual void pass () = 0; + virtual bool done () const = 0; protected: - boost::shared_ptr _film; - -private: - virtual void film_changed (Film::Property) {} - boost::signals2::scoped_connection _film_connection; + virtual void flush () {}; + + /** The Film that we are decoding in */ + boost::weak_ptr _film; }; #endif