std::shared_ptr
[dcpomatic.git] / src / lib / butler.h
index 09c182f9cf717fb3c53d6371c7dd949add01fe41..49a57a826e4acdcad84c1568f5c3e059d7f00657 100644 (file)
@@ -23,8 +23,6 @@
 #include "text_ring_buffers.h"
 #include "audio_mapping.h"
 #include "exception_store.h"
-#include <boost/shared_ptr.hpp>
-#include <boost/weak_ptr.hpp>
 #include <boost/thread.hpp>
 #include <boost/thread/condition.hpp>
 #include <boost/signals2.hpp>
@@ -37,10 +35,12 @@ class Butler : public ExceptionStore, public boost::noncopyable
 {
 public:
        Butler (
-               boost::shared_ptr<Player> player,
+               std::weak_ptr<const Film> film,
+               std::shared_ptr<Player> player,
                AudioMapping map,
                int audio_channels,
                boost::function<AVPixelFormat (AVPixelFormat)> pixel_format,
+               VideoRange video_range,
                bool aligned,
                bool fast
                );
@@ -49,12 +49,26 @@ public:
 
        void seek (dcpomatic::DCPTime position, bool accurate);
 
-       enum Error {
-               NONE,
-               AGAIN
+       class Error {
+       public:
+               enum Code{
+                       NONE,
+                       AGAIN,
+                       DIED,
+                       FINISHED
+               };
+
+               Error()
+                       : code (NONE)
+               {}
+
+               Code code;
+               std::string message;
+
+               std::string summary () const;
        };
 
-       std::pair<boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> get_video (Error* e = 0);
+       std::pair<std::shared_ptr<PlayerVideo>, dcpomatic::DCPTime> get_video (bool blocking, Error* e = 0);
        boost::optional<dcpomatic::DCPTime> get_audio (float* out, Frame frames);
        boost::optional<TextRingBuffers::Data> get_closed_caption ();
 
@@ -64,32 +78,27 @@ public:
 
 private:
        void thread ();
-       void video (boost::shared_ptr<PlayerVideo> video, dcpomatic::DCPTime time);
-       void audio (boost::shared_ptr<AudioBuffers> audio, dcpomatic::DCPTime time, int frame_rate);
+       void video (std::shared_ptr<PlayerVideo> video, dcpomatic::DCPTime time);
+       void audio (std::shared_ptr<AudioBuffers> audio, dcpomatic::DCPTime time, int frame_rate);
        void text (PlayerText pt, TextType type, boost::optional<DCPTextTrack> track, dcpomatic::DCPTimePeriod period);
        bool should_run () const;
-       void prepare (boost::weak_ptr<PlayerVideo> video);
-       void player_change (ChangeType type);
+       void prepare (std::weak_ptr<PlayerVideo> video);
+       void player_change (ChangeType type, int property);
        void seek_unlocked (dcpomatic::DCPTime position, bool accurate);
 
-       boost::shared_ptr<Player> _player;
-       boost::thread* _thread;
+       std::weak_ptr<const Film> _film;
+       std::shared_ptr<Player> _player;
+       boost::thread _thread;
 
-       /** mutex to protect _video, _audio and _closed_caption for when we are clearing them and they all need to be
-           cleared together without any data being inserted in the interim;
-           XXX: is this necessary now that all butler output data is timestamped? Perhaps the locked clear-out
-           is only required if we guarantee that get_video() and get_audio() calls are in sync.
-       */
-       boost::mutex _buffers_mutex;
        VideoRingBuffers _video;
        AudioRingBuffers _audio;
        TextRingBuffers _closed_caption;
 
        boost::thread_group _prepare_pool;
        boost::asio::io_service _prepare_service;
-       boost::shared_ptr<boost::asio::io_service::work> _prepare_work;
+       std::shared_ptr<boost::asio::io_service::work> _prepare_work;
 
-       /** mutex to protect _pending_seek_position, _pending_seek_acurate, _finished, _died, _stop_thread */
+       /** mutex to protect _pending_seek_position, _pending_seek_accurate, _finished, _died, _stop_thread */
        boost::mutex _mutex;
        boost::condition _summon;
        boost::condition _arrived;
@@ -98,6 +107,7 @@ private:
        int _suspended;
        bool _finished;
        bool _died;
+       std::string _died_message;
        bool _stop_thread;
 
        AudioMapping _audio_mapping;
@@ -106,6 +116,7 @@ private:
        bool _disable_audio;
 
        boost::function<AVPixelFormat (AVPixelFormat)> _pixel_format;
+       VideoRange _video_range;
        bool _aligned;
        bool _fast;