X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fjob_manager.h;h=c8450bfdae152e3d4101ad0f1b3c063825e4cc55;hb=a6c4b4fa16d9c6597e362044b875f3d6df80753f;hp=d1d33cfc2ce7e7dc3ac4693d579d7309e0ec30e5;hpb=c0ed407fb02891f0dd364e78b6192f0e6dbe1d8d;p=dcpomatic.git

diff --git a/src/lib/job_manager.h b/src/lib/job_manager.h
index d1d33cfc2..c8450bfda 100644
--- a/src/lib/job_manager.h
+++ b/src/lib/job_manager.h
@@ -1,55 +1,115 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
 
-    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 <http://www.gnu.org/licenses/>.
 
 */
 
+
 /** @file  src/job_manager.h
  *  @brief A simple scheduler for jobs.
  */
 
-#include <list>
+
+#include "job.h"
+#include "signaller.h"
 #include <boost/thread/mutex.hpp>
+#include <boost/thread.hpp>
+#include <boost/signals2.hpp>
+#include <boost/thread/condition.hpp>
+#include <list>
+
+
+class Film;
+class Playlist;
+class Content;
+struct threed_test7;
+
+
+extern bool wait_for_jobs ();
 
-class Job;
 
 /** @class JobManager
  *  @brief A simple scheduler for jobs.
- *
- *  JobManager simply keeps a list of pending jobs, and assumes that all the jobs
- *  are sufficiently CPU intensive that there is no point running them in parallel;
- *  so jobs are just run one after the other.
  */
-class JobManager
+class JobManager : public Signaller
 {
 public:
+	JobManager (JobManager const&) = delete;
+	JobManager& operator= (JobManager const&) = delete;
 
-	void add (boost::shared_ptr<Job>);
-	void add_after (boost::shared_ptr<Job> after, boost::shared_ptr<Job> j);
-	std::list<boost::shared_ptr<Job> > get () const;
+	std::shared_ptr<Job> add (std::shared_ptr<Job>);
+	std::shared_ptr<Job> add_after (std::shared_ptr<Job> after, std::shared_ptr<Job> j);
+	std::list<std::shared_ptr<Job>> get () const;
 	bool work_to_do () const;
+	bool errors () const;
+	void increase_priority (std::shared_ptr<Job>);
+	void decrease_priority (std::shared_ptr<Job>);
+	void pause ();
+	void resume ();
+	bool paused () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _paused;
+	}
+
+	void analyse_audio (
+		std::shared_ptr<const Film> film,
+		std::shared_ptr<const Playlist> playlist,
+		bool from_zero,
+		boost::signals2::connection& connection,
+		std::function<void (Job::Result)> ready
+		);
+
+	void analyse_subtitles (
+		std::shared_ptr<const Film> film,
+		std::shared_ptr<Content> content,
+		boost::signals2::connection& connection,
+		std::function<void (Job::Result)> ready
+		);
+
+	boost::signals2::signal<void (std::weak_ptr<Job>)> JobAdded;
+	boost::signals2::signal<void ()> JobsReordered;
+	boost::signals2::signal<void (boost::optional<std::string>, boost::optional<std::string>)> ActiveJobsChanged;
 
 	static JobManager* instance ();
+	static void drop ();
 
 private:
+	/* This function is part of the test suite */
+	friend bool ::wait_for_jobs ();
+	friend struct threed_test7;
+
 	JobManager ();
+	~JobManager ();
 	void scheduler ();
-	
+	void start ();
+	void job_finished ();
+
 	mutable boost::mutex _mutex;
-	std::list<boost::shared_ptr<Job> > _jobs;
+	boost::condition _schedule_condition;
+	/** List of jobs in the order that they will be executed */
+	std::list<std::shared_ptr<Job>> _jobs;
+	std::list<boost::signals2::connection> _connections;
+	bool _terminate = false;
+
+	boost::optional<std::string> _last_active_job;
+	boost::thread _scheduler;
+
+	/** true if all jobs should be paused */
+	bool _paused = false;
 
 	static JobManager* _instance;
 };