Add multiple threads for servers with multiple processing threads.

[dcpomatic.git] / src / lib / encoder.h

diff --git a/src/lib/encoder.h b/src/lib/encoder.h
index 3fe707b511e717b38b001788db4a35d601ae8dfd..9fcba560f23085988ec4ca9ce8c51b8906ec5d68 100644 (file)
--- a/src/lib/encoder.h
+++ b/src/lib/encoder.h
@@ -36,8 +36,7 @@ extern "C" {
 #include <libswresample/swresample.h>
 }
 #include "util.h"
-#include "video_sink.h"
-#include "audio_sink.h"
+#include "config.h"
 
 class Image;
 class AudioBuffers;
@@ -55,7 +54,7 @@ class Job;
  *  is supplied as uncompressed PCM in blocks of various sizes.
  */
 
-class Encoder : public VideoSink, public AudioSink
+class Encoder : public boost::noncopyable
 {
 public:
        Encoder (boost::shared_ptr<const Film> f, boost::shared_ptr<Job>);
@@ -68,10 +67,10 @@ public:
         *  @param i Video frame image.
         *  @param same true if i is the same as the last time we were called.
         */
-       void process_video (boost::shared_ptr<const Image> i, bool same, Time);
+       void process_video (boost::shared_ptr<const Image> i, Eyes eyes, ColourConversion, bool same);
 
        /** Call with some audio data */
-       void process_audio (boost::shared_ptr<const AudioBuffers>, Time);
+       void process_audio (boost::shared_ptr<const AudioBuffers>);
 
        /** Called when a processing run has finished */
        void process_end ();
@@ -83,15 +82,18 @@ private:
        
        void frame_done ();
        
-       void encoder_thread (ServerDescription *);
+       void encoder_thread (boost::optional<ServerDescription>);
        void terminate_threads ();
+       void broadcast_thread ();
+       void listen_thread ();
+       void add_worker_threads (ServerDescription);
 
        /** Film that we are encoding */
        boost::shared_ptr<const Film> _film;
        boost::shared_ptr<Job> _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.
        */
@@ -102,14 +104,19 @@ private:
        /** Number of video frames written for the DCP so far */
        int _video_frames_out;
 
-       bool _have_a_real_frame;
+       bool _have_a_real_frame[EYES_COUNT];
        bool _terminate;
        std::list<boost::shared_ptr<DCPVideoFrame> > _queue;
-       std::list<boost::thread *> _threads;
+       typedef std::list<std::pair<boost::optional<ServerDescription>, boost::thread *> > ThreadList;
+       ThreadList _threads;
        mutable boost::mutex _mutex;
        boost::condition _condition;
 
        boost::shared_ptr<Writer> _writer;
+
+       /** A thread to periodically issue broadcasts to find encoding servers */
+       boost::thread* _broadcast_thread;
+       boost::thread* _listen_thread;
 };
 
 #endif