X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fencoder.h;h=51df0176b575267a50ec75e5596059655811ec9e;hb=946dbad9821e676f1d8fdc5abba459da54b8e84c;hp=c84ee027addcad0eae79e257e42c36cf0a1478f5;hpb=127672223cca569986e35c91265e269ed5a6561c;p=dcpomatic.git diff --git a/src/lib/encoder.h b/src/lib/encoder.h index c84ee027a..51df0176b 100644 --- a/src/lib/encoder.h +++ b/src/lib/encoder.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 @@ -17,8 +17,8 @@ */ -#ifndef DVDOMATIC_ENCODER_H -#define DVDOMATIC_ENCODER_H +#ifndef DCPOMATIC_ENCODER_H +#define DCPOMATIC_ENCODER_H /** @file src/encoder.h * @brief Encoder to J2K and WAV for DCP. @@ -33,73 +33,66 @@ #include extern "C" { #include -} -#ifdef HAVE_SWRESAMPLE -extern "C" { #include } -#endif #include "util.h" -#include "video_sink.h" -#include "audio_sink.h" +#include "config.h" +#include "cross.h" +#include "exceptions.h" class Image; -class Subtitle; class AudioBuffers; class Film; class ServerDescription; -class DCPVideoFrame; +class DCPVideo; class EncodedData; class Writer; -class Playlist; +class Job; +class ServerFinder; +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 YUV 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 VideoSink, public AudioSink +class Encoder : public boost::noncopyable, public ExceptionStore { public: - Encoder (boost::shared_ptr f, boost::shared_ptr); + Encoder (boost::shared_ptr f, boost::weak_ptr, boost::shared_ptr); virtual ~Encoder (); /** Called to indicate that a processing run is about to begin */ - virtual void process_begin (); + void begin (); /** Call with a frame of video. - * @param i Video frame image. - * @param same true if i is the same as the last time we were called. - * @param s A subtitle that should be on this frame, or 0. + * @param f Video frame. */ - void process_video (boost::shared_ptr i, bool same, boost::shared_ptr s); - - /** Call with some audio data */ - void process_audio (boost::shared_ptr); + void enqueue (boost::shared_ptr f); /** Called when a processing run has finished */ - virtual void process_end (); + void end (); - float current_frames_per_second () const; + float current_encoding_rate () const; int video_frames_out () const; private: void frame_done (); - void write_audio (boost::shared_ptr data); - - void encoder_thread (ServerDescription *); + void encoder_thread (boost::optional); void terminate_threads (); + void add_worker_threads (ServerDescription); + void server_found (ServerDescription); /** Film that we are encoding */ - boost::shared_ptr _film; - boost::shared_ptr _playlist; + boost::shared_ptr _film; + boost::weak_ptr _job; /** Mutex for _time_history and _last_frame */ - mutable boost::mutex _history_mutex; + mutable boost::mutex _state_mutex; /** List of the times of completion of the last _history_size frames; first is the most recently completed. */ @@ -107,23 +100,20 @@ private: /** Number of frames that we should keep history for */ static int const _history_size; - /** Number of video frames received so far */ - SourceFrame _video_frames_in; /** Number of video frames written for the DCP so far */ int _video_frames_out; -#if HAVE_SWRESAMPLE - SwrContext* _swr_context; -#endif - - bool _have_a_real_frame; 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; }; #endif