Get closed caption view data from the butler, rather than the player.
[dcpomatic.git] / src / lib / butler.cc
index 63fe729aecea5f2c43557022e3a90769576e9c11..45cd5a9db36db6d1506f3bc23e940126165c798f 100644 (file)
@@ -62,8 +62,9 @@ Butler::Butler (shared_ptr<Player> player, shared_ptr<Log> log, AudioMapping aud
        , _disable_audio (false)
 {
        _player_video_connection = _player->Video.connect (bind (&Butler::video, this, _1, _2));
-       _player_audio_connection = _player->Audio.connect (bind (&Butler::audio, this, _1));
-       _player_changed_connection = _player->Changed.connect (bind (&Butler::player_changed, this, _1));
+       _player_audio_connection = _player->Audio.connect (bind (&Butler::audio, this, _1, _2));
+       _player_text_connection = _player->Text.connect (bind (&Butler::text, this, _1, _2, _3));
+       _player_changed_connection = _player->Changed.connect (bind (&Butler::player_changed, this));
        _thread = new boost::thread (bind (&Butler::thread, this));
 #ifdef DCPOMATIC_LINUX
        pthread_setname_np (_thread->native_handle(), "butler");
@@ -203,6 +204,13 @@ Butler::get_video ()
        return r;
 }
 
+optional<pair<PlayerText, DCPTimePeriod> >
+Butler::get_closed_caption ()
+{
+       boost::mutex::scoped_lock lm (_mutex);
+       return _closed_caption.get ();
+}
+
 void
 Butler::seek (DCPTime position, bool accurate)
 {
@@ -218,9 +226,10 @@ Butler::seek_unlocked (DCPTime position, bool accurate)
        }
 
        {
-               boost::mutex::scoped_lock lm (_video_audio_mutex);
+               boost::mutex::scoped_lock lm (_buffers_mutex);
                _video.clear ();
                _audio.clear ();
+               _closed_caption.clear ();
        }
 
        _finished = false;
@@ -253,12 +262,12 @@ Butler::video (shared_ptr<PlayerVideo> video, DCPTime time)
 
        _prepare_service.post (bind (&Butler::prepare, this, weak_ptr<PlayerVideo>(video)));
 
-       boost::mutex::scoped_lock lm2 (_video_audio_mutex);
+       boost::mutex::scoped_lock lm2 (_buffers_mutex);
        _video.put (video, time);
 }
 
 void
-Butler::audio (shared_ptr<AudioBuffers> audio)
+Butler::audio (shared_ptr<AudioBuffers> audio, DCPTime time)
 {
        {
                boost::mutex::scoped_lock lm (_mutex);
@@ -268,20 +277,20 @@ Butler::audio (shared_ptr<AudioBuffers> audio)
                }
        }
 
-       boost::mutex::scoped_lock lm2 (_video_audio_mutex);
-       _audio.put (remap (audio, _audio_channels, _audio_mapping));
+       boost::mutex::scoped_lock lm2 (_buffers_mutex);
+       _audio.put (remap (audio, _audio_channels, _audio_mapping), time);
 }
 
 /** Try to get `frames' frames of audio and copy it into `out'.  Silence
  *  will be filled if no audio is available.
- *  @return true if there was a buffer underrun, otherwise false.
+ *  @return time of this audio, or unset if there was a buffer underrun.
  */
-bool
+optional<DCPTime>
 Butler::get_audio (float* out, Frame frames)
 {
-       bool const underrun = _audio.get (out, _audio_channels, frames);
+       optional<DCPTime> t = _audio.get (out, _audio_channels, frames);
        _summon.notify_all ();
-       return underrun;
+       return t;
 }
 
 void
@@ -299,7 +308,7 @@ Butler::memory_used () const
 }
 
 void
-Butler::player_changed (int what)
+Butler::player_changed ()
 {
        boost::mutex::scoped_lock lm (_mutex);
        if (_died || _pending_seek_position) {
@@ -318,9 +327,10 @@ Butler::player_changed (int what)
        }
 
        {
-               boost::mutex::scoped_lock lm (_video_audio_mutex);
+               boost::mutex::scoped_lock lm (_buffers_mutex);
                _video.clear ();
                _audio.clear ();
+               _closed_caption.clear ();
        }
 
        _finished = false;
@@ -329,3 +339,14 @@ Butler::player_changed (int what)
        seek_unlocked (seek_to, true);
        _awaiting = seek_to;
 }
+
+void
+Butler::text (PlayerText pt, TextType type, DCPTimePeriod period)
+{
+       if (type != TEXT_CLOSED_CAPTION) {
+               return;
+       }
+
+       boost::mutex::scoped_lock lm2 (_buffers_mutex);
+       _closed_caption.put (make_pair(pt, period));
+}