X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplaylist.h;h=89f36f89567572febf2cdaaf2fea8d08df25dca2;hb=94d5ba335224db075a95a76654f732ef54a4eabd;hp=1d189cb070be9077f0ac241fcbefcf190366ac03;hpb=c921cfe23b593d7c367ad76094308c5f08037374;p=dcpomatic.git diff --git a/src/lib/playlist.h b/src/lib/playlist.h index 1d189cb07..89f36f895 100644 --- a/src/lib/playlist.h +++ b/src/lib/playlist.h @@ -1,105 +1,109 @@ /* - Copyright (C) 2013 Carl Hetherington + Copyright (C) 2013-2021 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 . */ + +#ifndef DCPOMATIC_PLAYLIST_H +#define DCPOMATIC_PLAYLIST_H + + +#include "change_signaller.h" +#include "dcpomatic_time.h" +#include "frame_rate_change.h" +#include "types.h" +#include +#include +#include #include -#include -#include -#include "video_source.h" -#include "audio_source.h" -#include "video_sink.h" -#include "audio_sink.h" -#include "ffmpeg_content.h" -#include "audio_mapping.h" - -class Content; -class FFmpegContent; -class FFmpegDecoder; -class ImageMagickContent; -class ImageMagickDecoder; -class SndfileContent; -class SndfileDecoder; -class Job; + + class Film; + +struct ContentSorter +{ + bool operator() (std::shared_ptr a, std::shared_ptr b); +}; + + +/** @class Playlist + * @brief A set of Content objects with knowledge of how they should be arranged into + * a DCP. + */ class Playlist { public: Playlist (); + ~Playlist (); - void setup (ContentList); - - ContentAudioFrame audio_length () const; - int audio_channels () const; - int audio_frame_rate () const; - int64_t audio_channel_layout () const; - bool has_audio () const; - - float video_frame_rate () const; - libdcp::Size video_size () const; - ContentVideoFrame video_length () const; - - AudioMapping default_audio_mapping () const; - - enum VideoFrom { - VIDEO_NONE, - VIDEO_FFMPEG, - VIDEO_IMAGEMAGICK - }; - - enum AudioFrom { - AUDIO_NONE, - AUDIO_FFMPEG, - AUDIO_SNDFILE - }; - - VideoFrom video_from () const { - return _video_from; - } - - AudioFrom audio_from () const { - return _audio_from; - } - - boost::shared_ptr ffmpeg () const { - return _ffmpeg; - } - - std::list > imagemagick () const { - return _imagemagick; - } - - std::list > sndfile () const { - return _sndfile; - } - - mutable boost::signals2::signal Changed; - mutable boost::signals2::signal, int)> ContentChanged; - -private: - void content_changed (boost::weak_ptr, int); - - VideoFrom _video_from; - AudioFrom _audio_from; + Playlist (Playlist const&) = delete; + Playlist& operator= (Playlist const&) = delete; - boost::shared_ptr _ffmpeg; - std::list > _imagemagick; - std::list > _sndfile; + void as_xml (xmlpp::Node *, bool with_content_paths); + void set_from_xml (std::shared_ptr film, cxml::ConstNodePtr node, int version, std::list& notes); + void add (std::shared_ptr film, std::shared_ptr); + void remove (std::shared_ptr); + void remove (ContentList); + void move_earlier (std::shared_ptr film, std::shared_ptr); + void move_later (std::shared_ptr film, std::shared_ptr); + + ContentList content () const; + + std::string video_identifier () const; + + dcpomatic::DCPTime length (std::shared_ptr film) const; + boost::optional start () const; + int64_t required_disk_space (std::shared_ptr film, int j2k_bandwidth, int audio_channels, int audio_frame_rate) const; + + int best_video_frame_rate () const; + dcpomatic::DCPTime video_end (std::shared_ptr film) const; + dcpomatic::DCPTime text_end (std::shared_ptr film) const; + FrameRateChange active_frame_rate_change (dcpomatic::DCPTime, int dcp_frame_rate) const; + std::string content_summary (std::shared_ptr film, dcpomatic::DCPTimePeriod period) const; + std::pair speed_up_range (int dcp_video_frame_rate) const; + + void set_sequence (bool); + void maybe_sequence (std::shared_ptr film); + + void repeat (std::shared_ptr film, ContentList, int); + + /** Emitted when content has been added to or removed from the playlist; implies OrderChange */ + mutable boost::signals2::signal Change; + mutable boost::signals2::signal OrderChange; + /** Emitted when the length might have changed; may sometimes be emitted when it has not */ + mutable boost::signals2::signal LengthChange; + + mutable boost::signals2::signal, int, bool)> ContentChange; + +private: + void content_change (std::weak_ptr, ChangeType, std::weak_ptr, int, bool); + void disconnect (); + void reconnect (std::shared_ptr film); + + mutable boost::mutex _mutex; + /** List of content. Kept sorted in position order. */ + ContentList _content; + bool _sequence = true; + bool _sequencing = false; std::list _content_connections; }; + + +#endif