X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fencoder.h;h=6bbdda4c5e23ea8722395623efd950293d749d13;hb=e60bb3e51bd1508b149e6b8f6608f09b5196ae26;hp=6c465f816773d12635f1b11dd020a807c7a1b756;hpb=b666a794a130386bc01ede2143ef40bd6973eb32;p=dcpomatic.git diff --git a/src/lib/encoder.h b/src/lib/encoder.h index 6c465f816..6bbdda4c5 100644 --- a/src/lib/encoder.h +++ b/src/lib/encoder.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 @@ -21,9 +21,17 @@ #define DCPOMATIC_ENCODER_H /** @file src/encoder.h - * @brief Encoder to J2K and WAV for DCP. + * @brief Encoder class. */ +#include "util.h" +#include "config.h" +#include "cross.h" +#include "exceptions.h" +extern "C" { +#include +#include +} #include #include #include @@ -31,59 +39,47 @@ #include #include #include -extern "C" { -#include -#include -} -#include "util.h" -#include "config.h" -#include "cross.h" class Image; class AudioBuffers; class Film; class ServerDescription; -class DCPVideoFrame; -class EncodedData; +class DCPVideo; class Writer; class Job; -class ServerFinder; -class DCPVideo; +class PlayerVideo; /** @class Encoder - * @brief Encoder to J2K and WAV for DCP. + * @brief Class to manage encoding to JPEG2000. * - * Video is supplied to process_video as RGB frames, and audio - * is supplied as uncompressed PCM in blocks of various sizes. + * This class keeps a queue of frames to be encoded and distributes + * the work around threads and encoding servers. */ class Encoder : public boost::noncopyable, public ExceptionStore { public: - Encoder (boost::shared_ptr f, boost::weak_ptr); + Encoder (boost::shared_ptr, boost::weak_ptr, boost::shared_ptr); virtual ~Encoder (); /** Called to indicate that a processing run is about to begin */ - void process_begin (); + void begin (); /** Call with a frame of video. * @param f Video frame. */ - void process_video (boost::shared_ptr f); - - /** Call with some audio data */ - void process_audio (boost::shared_ptr); + void enqueue (boost::shared_ptr f); /** Called when a processing run has finished */ - void process_end (); + void end (); float current_encoding_rate () const; int video_frames_out () const; private: - + void frame_done (); - + void encoder_thread (boost::optional); void terminate_threads (); void add_worker_threads (ServerDescription); @@ -102,17 +98,24 @@ private: /** Number of frames that we should keep history for */ static int const _history_size; - /** Number of video frames written for the DCP so far */ - int _video_frames_out; + /** Number of video frames enqueued so far */ + int _video_frames_enqueued; bool _terminate; - std::list > _queue; + std::list > _queue; std::list _threads; mutable boost::mutex _mutex; - 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; boost::shared_ptr _writer; Waker _waker; + + boost::shared_ptr _last_player_video; + + boost::signals2::scoped_connection _server_found_connection; }; #endif