X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder.h;h=d67592ed812544c644b8766bcb1b1be1c03e84de;hb=19dc3455d7112427e0470e58133d25bcb031e9f1;hp=5bb5b574d5038d7b6686489ca0d5c688d17b1db2;hpb=05c37b9bb09f7bfa4c2ec8ea6b3fa4a83d0fec20;p=dcpomatic.git diff --git a/src/lib/decoder.h b/src/lib/decoder.h index 5bb5b574d..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 @@ -21,110 +21,36 @@ * @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 +#include -class Job; -class Options; -class Image; -class Log; -class DelayLine; -class TimedSubtitle; -class Subtitle; class Film; -class FilterGraph; /** @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 : public VideoSource, public AudioSource +class Decoder : public boost::noncopyable { public: - Decoder (boost::shared_ptr, boost::shared_ptr, Job *); + Decoder (boost::shared_ptr); virtual ~Decoder () {} - /* Methods to query our input video */ - - /** @return video frames per second, or 0 if unknown */ - virtual float frames_per_second () const = 0; - /** @return native size in pixels */ - virtual Size native_size () const = 0; - - virtual int time_base_numerator () const = 0; - virtual int time_base_denominator () const = 0; - virtual int sample_aspect_ratio_numerator () const = 0; - virtual int sample_aspect_ratio_denominator () const = 0; - - virtual bool pass () = 0; - void go (); - - SourceFrame video_frame () const { - return _video_frame; - } - - virtual void set_audio_stream (boost::optional); - virtual void set_subtitle_stream (boost::optional); - - boost::optional audio_stream () const { - return _audio_stream; - } - - boost::optional subtitle_stream () const { - return _subtitle_stream; - } - - std::vector audio_streams () const { - return _audio_streams; - } - - std::vector subtitle_streams () const { - return _subtitle_streams; - } + /** 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: - - virtual PixelFormat pixel_format () const = 0; - - void emit_video (boost::shared_ptr); - void emit_subtitle (boost::shared_ptr); - void repeat_last_video (); - - /** our Film */ - boost::shared_ptr _film; - /** our options */ - boost::shared_ptr _opt; - /** associated Job, or 0 */ - Job* _job; - boost::optional _audio_stream; - boost::optional _subtitle_stream; - - std::vector _audio_streams; - std::vector _subtitle_streams; + virtual void flush () {}; -private: - void emit_video (boost::shared_ptr, boost::shared_ptr); - - SourceFrame _video_frame; - - boost::shared_ptr _timed_subtitle; - - boost::shared_ptr _last_image; - boost::shared_ptr _last_subtitle; + /** The Film that we are decoding in */ + boost::weak_ptr _film; }; #endif