X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fwriter.h;h=486d7d672aa31357b330259cfa89bffc9fbfff0b;hb=99428af22969a6cfb1dbd2053a9356bb23b3182f;hp=ca0bdeb92a2189983cd3b6ff3758c9387eb887ed;hpb=c28b3d6f168607aca9995282b96647eb64a26dc9;p=dcpomatic.git diff --git a/src/lib/writer.h b/src/lib/writer.h index ca0bdeb92..486d7d672 100644 --- a/src/lib/writer.h +++ b/src/lib/writer.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2015 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 @@ -17,32 +17,46 @@ */ -#include +/** @file src/lib/writer.h + * @brief Writer class. + */ + +#include "exceptions.h" +#include "types.h" +#include "player_subtitles.h" +#include "data.h" +#include #include +#include #include #include -#include "exceptions.h" -#include "types.h" +#include class Film; -class EncodedData; +class Data; class AudioBuffers; class Job; +class Font; namespace dcp { - class MonoPictureMXF; - class MonoPictureMXFWriter; - class StereoPictureMXF; - class StereoPictureMXFWriter; - class PictureMXF; - class PictureMXFWriter; - class SoundMXF; - class SoundMXFWriter; + class MonoPictureAsset; + class MonoPictureAssetWriter; + class StereoPictureAsset; + class StereoPictureAssetWriter; + class PictureAsset; + class PictureAssetWriter; + class SoundAsset; + class SoundAssetWriter; + class SubtitleAsset; } struct QueueItem { public: + QueueItem () + : size (0) + {} + enum Type { /** a normal frame with some JPEG200 data */ FULL, @@ -51,12 +65,11 @@ public: state but we use the data that is already on disk. */ FAKE, - /** this is a repeat of the last frame to be written */ - REPEAT + REPEAT, } type; /** encoded data for FULL */ - boost::shared_ptr encoded; + boost::optional encoded; /** size of data for FAKE */ int size; /** frame index */ @@ -67,6 +80,17 @@ public: bool operator< (QueueItem const & a, QueueItem const & b); bool operator== (QueueItem const & a, QueueItem const & b); +/** @class Writer + * @brief Class to manage writing JPEG2000 and audio data to assets on disk. + * + * This class creates sound and picture assets, then takes Data + * or AudioBuffers objects (containing image or sound data respectively) + * and writes them to the assets. + * + * ::write() for Data can be called out of order, and the Writer + * will sort it out. write() for AudioBuffers must be called in order. + */ + class Writer : public ExceptionStore, public boost::noncopyable { public: @@ -74,20 +98,27 @@ public: ~Writer (); bool can_fake_write (int) const; - - void write (boost::shared_ptr, int, Eyes); + + void write (Data, int, Eyes); void fake_write (int, Eyes); + void repeat (int, Eyes); void write (boost::shared_ptr); - void repeat (int f, Eyes); + void write (PlayerSubtitles subs); + void write (std::list > fonts); void finish (); + void set_encoder_threads (int threads); + private: void thread (); void terminate_thread (bool); - void check_existing_picture_mxf (); - bool check_existing_picture_mxf_frame (FILE *, int, Eyes); + void check_existing_picture_asset (); + bool check_existing_picture_asset_frame (FILE *, int, Eyes); bool have_sequenced_image_at_queue_head (); + void write_frame_info (int frame, Eyes eyes, dcp::FrameInfo info) const; + long frame_info_position (int frame, Eyes eyes) const; + dcp::FrameInfo read_frame_info (FILE* file, int frame, Eyes eyes) const; /** our Film */ boost::shared_ptr _film; @@ -109,29 +140,31 @@ private: boost::condition _empty_condition; /** condition to manage thread wakeups when we have too much to do */ boost::condition _full_condition; - /** the data of the last written frame, or 0 if there isn't one */ - boost::shared_ptr _last_written[EYES_COUNT]; + /** the data of the last written frame, if there is one */ + boost::optional _last_written[EYES_COUNT]; /** the index of the last written frame */ int _last_written_frame; Eyes _last_written_eyes; /** maximum number of frames to hold in memory, for when we are managing - ordering - */ - static const int _maximum_frames_in_memory; + * ordering + */ + int _maximum_frames_in_memory; /** number of FULL written frames */ int _full_written; /** number of FAKE written frames */ int _fake_written; - /** number of REPEAT written frames */ int _repeat_written; /** number of frames pushed to disk and then recovered due to the limit of frames to be held in memory. */ int _pushed_to_disk; - - boost::shared_ptr _picture_mxf; - boost::shared_ptr _picture_mxf_writer; - boost::shared_ptr _sound_mxf; - boost::shared_ptr _sound_mxf_writer; + + boost::shared_ptr _picture_asset; + boost::shared_ptr _picture_asset_writer; + boost::shared_ptr _sound_asset; + boost::shared_ptr _sound_asset_writer; + boost::shared_ptr _subtitle_asset; + + std::list > _fonts; };