X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder.h;h=908d3aae51c3948803199af980ae4f7bb1e1f157;hb=ea910e250a0fb3b0ad3ce0cf32dd27b24c17cd1d;hp=3908afa2fbfed522b24266846925fad693ee374f;hpb=0330d9b2924767d9240c5a25e9ed4327eb0a73bd;p=dcpomatic.git diff --git a/src/lib/decoder.h b/src/lib/decoder.h index 3908afa2f..908d3aae5 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 @@ -21,60 +21,45 @@ * @brief Parent class for decoders of content. */ -#ifndef DVDOMATIC_DECODER_H -#define DVDOMATIC_DECODER_H +#ifndef DCPOMATIC_DECODER_H +#define DCPOMATIC_DECODER_H -#include -#include -#include #include -#include -#include "util.h" -#include "stream.h" -#include "video_source.h" -#include "audio_source.h" -#include "film.h" +#include +#include +#include "types.h" -class Job; -class DecodeOptions; -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, boost::shared_ptr, Job *); + Decoder (boost::shared_ptr); virtual ~Decoder () {} - virtual bool pass () = 0; - virtual bool seek (double); - virtual bool seek_to_last (); + /** Perform one decode pass of the content, which may or may not + * cause the object to emit some data. + */ + virtual void pass () = 0; - boost::signals2::signal OutputChanged; + /** 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 get close to + * the request. + */ + virtual void seek (Time time, bool accurate) = 0; + + virtual bool done () const = 0; protected: - /** our Film */ - boost::shared_ptr _film; - /** our options */ - boost::shared_ptr _opt; - /** associated Job, or 0 */ - Job* _job; -private: - virtual void film_changed (Film::Property) {} + virtual void flush () {}; - boost::signals2::scoped_connection _film_connection; + /** The Film that we are decoding in */ + boost::weak_ptr _film; }; #endif