X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder.h;h=a672e8a10de0c090b8cf9fa520a007d46fe38a37;hb=2d4e8c5f69cc694625ad95dcee554499605f823b;hp=aa36d41b496341ea7d8d66b8436171b11231e5b9;hpb=097a1fb413bbbb89182161d4c1a31daa5419ec96;p=dcpomatic.git diff --git a/src/lib/decoder.h b/src/lib/decoder.h index aa36d41b4..a672e8a10 100644 --- a/src/lib/decoder.h +++ b/src/lib/decoder.h @@ -1,65 +1,80 @@ /* - Copyright (C) 2012-2013 Carl Hetherington + Copyright (C) 2012-2021 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 "dcpomatic_time.h" +#include "film.h" +#include "font_data.h" #include "types.h" +#include "weak_film.h" +#include + + +class AtmosDecoder; +class AudioDecoder; +class Decoded; +class DecoderPart; +class TextDecoder; +class VideoDecoder; -class Film; /** @class Decoder. * @brief Parent class for decoders of content. */ -class Decoder : public boost::noncopyable +class Decoder : public WeakConstFilm { public: - Decoder (boost::shared_ptr); + Decoder (std::weak_ptr film); 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; + 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 get close to - * the request. - */ - virtual void seek (DCPTime time, bool accurate) = 0; + std::shared_ptr video; + std::shared_ptr audio; + std::list> text; + std::shared_ptr atmos; - virtual bool done () const = 0; + std::shared_ptr only_text () const; -protected: + /** 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; - virtual void flush () {}; - - /** The Film that we are decoding in */ - boost::weak_ptr _film; + virtual std::vector fonts () const { + return {}; + } }; + #endif