X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fwriter.h;h=2ddf70380181534d8f49b1326479dc5270b61f7a;hb=308488324dbc4d8b709d3fb1dc9fee0479346c21;hp=842d6a55d3079474a03b7feab81757c6b5313711;hpb=e8204f55c981493b99814f71a50b3c3d62601032;p=dcpomatic.git diff --git a/src/lib/writer.h b/src/lib/writer.h index 842d6a55d..2ddf70380 100644 --- a/src/lib/writer.h +++ b/src/lib/writer.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 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 @@ -17,6 +17,10 @@ */ +/** @file src/lib/writer.h + * @brief Writer class. + */ + #include #include #include @@ -29,15 +33,15 @@ class EncodedData; class AudioBuffers; class Job; -namespace libdcp { - class MonoPictureAsset; - class MonoPictureAssetWriter; - class StereoPictureAsset; - class StereoPictureAssetWriter; - class PictureAsset; - class PictureAssetWriter; - class SoundAsset; - class SoundAssetWriter; +namespace dcp { + class MonoPictureMXF; + class MonoPictureMXFWriter; + class StereoPictureMXF; + class StereoPictureMXFWriter; + class PictureMXF; + class PictureMXFWriter; + class SoundMXF; + class SoundMXFWriter; } struct QueueItem @@ -51,8 +55,6 @@ 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 } type; /** encoded data for FULL */ @@ -67,10 +69,22 @@ 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 MXFs on disk. + * + * This class creates sound and picture MXFs, then takes EncodedData + * or AudioBuffers objects (containing image or sound data respectively) + * and writes them to the MXFs. + * + * ::write() for EncodedData 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: Writer (boost::shared_ptr, boost::weak_ptr); + ~Writer (); bool can_fake_write (int) const; @@ -83,6 +97,7 @@ public: private: void thread (); + void terminate_thread (bool); void check_existing_picture_mxf (); bool check_existing_picture_mxf_frame (FILE *, int, Eyes); bool have_sequenced_image_at_queue_head (); @@ -103,8 +118,10 @@ private: int _queued_full_in_memory; /** mutex for thread state */ mutable boost::mutex _mutex; - /** condition to manage thread wakeups */ - boost::condition _condition; + /** condition to manage thread wakeups when we have nothing to do */ + 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 index of the last written frame */ @@ -119,15 +136,13 @@ private: 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_asset; - boost::shared_ptr _picture_asset_writer; - boost::shared_ptr _sound_asset; - boost::shared_ptr _sound_asset_writer; + boost::shared_ptr _picture_mxf; + boost::shared_ptr _picture_mxf_writer; + boost::shared_ptr _sound_mxf; + boost::shared_ptr _sound_mxf_writer; };