X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fencoder.h;h=19c1120b360f789fd8af1ef76ccf85a97e494337;hb=d6f2c9547db4dbde17ae97ea37148b62a249bf63;hp=fff26496345aefac365ac17bfcd39e2efcc54cf0;hpb=d0babb26ab341026fe227de810ed30c6c9f65cf2;p=dcpomatic.git diff --git a/src/lib/encoder.h b/src/lib/encoder.h index fff264963..19c1120b3 100644 --- a/src/lib/encoder.h +++ b/src/lib/encoder.h @@ -1,153 +1,69 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2021 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 DVDOMATIC_ENCODER_H -#define DVDOMATIC_ENCODER_H -/** @file src/encoder.h - * @brief Parent class for classes which can encode video and audio frames. - */ +#ifndef DCPOMATIC_ENCODER_H +#define DCPOMATIC_ENCODER_H + + +#include "player_text.h" +#include "types.h" +#include + -#include -#include -#include -#include -#include -#include -#include -extern "C" { -#include -} -#ifdef HAVE_SWRESAMPLE -extern "C" { -#include -} -#endif -#include -#include "util.h" -#include "video_sink.h" -#include "audio_sink.h" - -class EncodeOptions; -class Image; -class Subtitle; -class AudioBuffers; class Film; -class ServerDescription; -class DCPVideoFrame; -class EncodedData; +class Encoder; +class Player; +class Job; +class PlayerVideo; +class AudioBuffers; + /** @class Encoder - * @brief Encoder to J2K and WAV for DCP. - * - * Video is supplied to process_video as YUV frames, and audio - * is supplied as uncompressed PCM in blocks of various sizes. + * @brief Parent class for something that can encode a film into some format */ - -class Encoder : public VideoSink, public AudioSink +class Encoder { public: - Encoder (boost::shared_ptr f, boost::shared_ptr o); - virtual ~Encoder (); - - /** Called to indicate that a processing run is about to begin */ - virtual void process_begin (); + Encoder (std::shared_ptr film, std::weak_ptr job); + virtual ~Encoder () {} - /** 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. - */ - void process_video (boost::shared_ptr i, bool same, boost::shared_ptr s); + Encoder (Encoder const&) = delete; + Encoder& operator= (Encoder const&) = delete; - /** Call with some audio data */ - void process_audio (boost::shared_ptr); + virtual void go () = 0; - /** Called when a processing run has finished */ - virtual void process_end (); + /** @return the current frame rate over the last short while */ + virtual boost::optional current_rate () const { + return {}; + } - float current_frames_per_second () const; - bool skipping () const; - SourceFrame video_frame () const; + /** @return the number of frames that are done */ + virtual Frame frames_done () const = 0; + virtual bool finishing () const = 0; protected: - - void frame_done (); - void frame_skipped (); - - /** Film that we are encoding */ - boost::shared_ptr _film; - /** Options */ - boost::shared_ptr _opt; - - /** Mutex for _time_history, _just_skipped and _last_frame */ - mutable boost::mutex _history_mutex; - /** List of the times of completion of the last _history_size frames; - first is the most recently completed. - */ - std::list _time_history; - /** Number of frames that we should keep history for */ - static int const _history_size; - /** true if the last frame we processed was skipped (because it was already done) */ - bool _just_skipped; - - /** Number of video frames received so far */ - SourceFrame _video_frame; - /** Number of audio frames received so far */ - int64_t _audio_frame; - -private: - void close_sound_files (); - void write_audio (boost::shared_ptr audio); - - void encoder_thread (ServerDescription *); - void terminate_worker_threads (); - void link (std::string, std::string) const; - - void writer_thread (); - void terminate_writer_thread (); - -#if HAVE_SWRESAMPLE - SwrContext* _swr_context; -#endif - - /** List of links that we need to create when all frames have been processed; - * such that we need to call link (first, second) for each member of this list. - * In other words, `first' is a `real' frame and `second' should be a link to `first'. - */ - std::list > _links_required; - - std::vector _sound_files; - int64_t _audio_frames_written; - - boost::optional _last_real_frame; - bool _terminate_encoder; - std::list > _encode_queue; - std::list _worker_threads; - mutable boost::mutex _worker_mutex; - boost::condition _worker_condition; - - boost::thread* _writer_thread; - bool _terminate_writer; - std::list, int> > _write_queue; - mutable boost::mutex _writer_mutex; - boost::condition _writer_condition; + std::shared_ptr _film; + std::weak_ptr _job; + std::shared_ptr _player; }; + #endif