Use atomic for _dcp_decode_reduction.
[dcpomatic.git] / src / lib / player.cc
index b7088f1d297b201325ec8c237d2f3455cac0e947..c3fee45b47bb17f84c5f25414d1852680886a9ce 100644 (file)
@@ -99,7 +99,13 @@ int const PlayerProperty::PLAYBACK_LENGTH = 705;
 Player::Player (shared_ptr<const Film> film, Image::Alignment subtitle_alignment)
        : _film (film)
        , _suspended (0)
+       , _ignore_video(false)
+       , _ignore_audio(false)
+       , _ignore_text(false)
+       , _always_burn_open_subtitles(false)
+       , _fast(false)
        , _tolerant (film->tolerant())
+       , _play_referenced(false)
        , _audio_merger (_film->audio_frame_rate())
        , _subtitle_alignment (subtitle_alignment)
 {
@@ -111,7 +117,13 @@ Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist
        : _film (film)
        , _playlist (playlist_)
        , _suspended (0)
+       , _ignore_video(false)
+       , _ignore_audio(false)
+       , _ignore_text(false)
+       , _always_burn_open_subtitles(false)
+       , _fast(false)
        , _tolerant (film->tolerant())
+       , _play_referenced(false)
        , _audio_merger (_film->audio_frame_rate())
 {
        construct ();
@@ -333,17 +345,15 @@ Player::set_video_container_size (dcp::Size s)
 {
        Change (ChangeType::PENDING, PlayerProperty::VIDEO_CONTAINER_SIZE, false);
 
-       {
-               boost::mutex::scoped_lock lm (_mutex);
-
-               if (s == _video_container_size) {
-                       lm.unlock ();
-                       Change (ChangeType::CANCELLED, PlayerProperty::VIDEO_CONTAINER_SIZE, false);
-                       return;
-               }
+       if (s == _video_container_size) {
+               Change(ChangeType::CANCELLED, PlayerProperty::VIDEO_CONTAINER_SIZE, false);
+               return;
+       }
 
-               _video_container_size = s;
+       _video_container_size = s;
 
+       {
+               boost::mutex::scoped_lock lm (_mutex);
                _black_image = make_shared<Image>(AV_PIX_FMT_RGB24, _video_container_size, Image::Alignment::PADDED);
                _black_image->make_black ();
        }
@@ -498,27 +508,24 @@ Player::get_subtitle_fonts ()
 void
 Player::set_ignore_video ()
 {
-       boost::mutex::scoped_lock lm (_mutex);
        _ignore_video = true;
-       setup_pieces_unlocked ();
+       setup_pieces();
 }
 
 
 void
 Player::set_ignore_audio ()
 {
-       boost::mutex::scoped_lock lm (_mutex);
        _ignore_audio = true;
-       setup_pieces_unlocked ();
+       setup_pieces();
 }
 
 
 void
 Player::set_ignore_text ()
 {
-       boost::mutex::scoped_lock lm (_mutex);
        _ignore_text = true;
-       setup_pieces_unlocked ();
+       setup_pieces();
 }
 
 
@@ -526,7 +533,6 @@ Player::set_ignore_text ()
 void
 Player::set_always_burn_open_subtitles ()
 {
-       boost::mutex::scoped_lock lm (_mutex);
        _always_burn_open_subtitles = true;
 }
 
@@ -535,18 +541,16 @@ Player::set_always_burn_open_subtitles ()
 void
 Player::set_fast ()
 {
-       boost::mutex::scoped_lock lm (_mutex);
        _fast = true;
-       setup_pieces_unlocked ();
+       setup_pieces();
 }
 
 
 void
 Player::set_play_referenced ()
 {
-       boost::mutex::scoped_lock lm (_mutex);
        _play_referenced = true;
-       setup_pieces_unlocked ();
+       setup_pieces();
 }
 
 
@@ -864,14 +868,14 @@ Player::open_subtitles_for_frame (DCPTime time) const
                        }
 
                        /* i.image will already have been scaled to fit _video_container_size */
-                       dcp::Size scaled_size (i.rectangle.width * _video_container_size.width, i.rectangle.height * _video_container_size.height);
+                       dcp::Size scaled_size (i.rectangle.width * _video_container_size.load().width, i.rectangle.height * _video_container_size.load().height);
 
                        captions.push_back (
                                PositionImage (
                                        i.image,
                                        Position<int> (
-                                               lrint(_video_container_size.width * i.rectangle.x),
-                                               lrint(_video_container_size.height * i.rectangle.y)
+                                               lrint(_video_container_size.load().width * i.rectangle.x),
+                                               lrint(_video_container_size.load().height * i.rectangle.y)
                                                )
                                        )
                                );
@@ -1134,8 +1138,8 @@ Player::bitmap_text_start (weak_ptr<Piece> weak_piece, weak_ptr<const TextConten
                auto image = sub.image;
 
                /* We will scale the subtitle up to fit _video_container_size */
-               int const width = sub.rectangle.width * _video_container_size.width;
-               int const height = sub.rectangle.height * _video_container_size.height;
+               int const width = sub.rectangle.width * _video_container_size.load().width;
+               int const height = sub.rectangle.height * _video_container_size.load().height;
                if (width == 0 || height == 0) {
                        return;
                }
@@ -1410,19 +1414,14 @@ Player::set_dcp_decode_reduction (optional<int> reduction)
 {
        Change (ChangeType::PENDING, PlayerProperty::DCP_DECODE_REDUCTION, false);
 
-       {
-               boost::mutex::scoped_lock lm (_mutex);
-
-               if (reduction == _dcp_decode_reduction) {
-                       lm.unlock ();
-                       Change (ChangeType::CANCELLED, PlayerProperty::DCP_DECODE_REDUCTION, false);
-                       return;
-               }
-
-               _dcp_decode_reduction = reduction;
-               setup_pieces_unlocked ();
+       if (reduction == _dcp_decode_reduction.load()) {
+               Change(ChangeType::CANCELLED, PlayerProperty::DCP_DECODE_REDUCTION, false);
+               return;
        }
 
+       _dcp_decode_reduction = reduction;
+       setup_pieces();
+
        Change (ChangeType::DONE, PlayerProperty::DCP_DECODE_REDUCTION, false);
 }