More enum class additions.
[dcpomatic.git] / src / wx / video_view.cc
index 4edc2cd23a28cf0f3b943fe3a9d6cb409fecd973..3e21e709dd2b5fc1749540ed9c4087d5aeddb20c 100644 (file)
 #include "wx_util.h"
 #include "film_viewer.h"
 #include "lib/butler.h"
+#include "lib/dcpomatic_log.h"
 #include <boost/optional.hpp>
 
-using boost::shared_ptr;
+using std::pair;
+using std::shared_ptr;
 using boost::optional;
 
 VideoView::VideoView (FilmViewer* viewer)
        : _viewer (viewer)
-#ifdef DCPOMATIC_VARIANT_SWAROOP
-       , _in_watermark (false)
-#endif
        , _state_timer ("viewer")
        , _video_frame_rate (0)
-       , _eyes (EYES_LEFT)
+       , _eyes (Eyes::LEFT)
        , _three_d (false)
        , _dropped (0)
+       , _errored (0)
        , _gets (0)
 {
 
@@ -52,18 +52,19 @@ VideoView::clear ()
 
 /** Could be called from any thread.
  *  @param non_blocking true to return false quickly if no video is available quickly.
- *  @return false if we gave up because it would take too long, otherwise true.
+ *  @return FAIL if there's no frame, AGAIN if the method should be called again, or SUCCESS
+ *  if there is a frame.
  */
-bool
+VideoView::NextFrameResult
 VideoView::get_next_frame (bool non_blocking)
 {
        if (length() == dcpomatic::DCPTime()) {
-               return true;
+               return FAIL;
        }
 
        shared_ptr<Butler> butler = _viewer->butler ();
        if (!butler) {
-               return false;
+               return FAIL;
        }
        add_get ();
 
@@ -71,18 +72,26 @@ VideoView::get_next_frame (bool non_blocking)
 
        do {
                Butler::Error e;
-               _player_video = butler->get_video (!non_blocking, &e);
-               if (!_player_video.first && e == Butler::AGAIN) {
-                       return false;
+               pair<shared_ptr<PlayerVideo>, dcpomatic::DCPTime> pv = butler->get_video (!non_blocking, &e);
+               if (e.code == Butler::Error::DIED) {
+                       LOG_ERROR ("Butler died with %1", e.summary());
                }
+               if (!pv.first) {
+                       return e.code == Butler::Error::AGAIN ? AGAIN : FAIL;
+               }
+               _player_video = pv;
        } while (
                _player_video.first &&
                _three_d &&
                _eyes != _player_video.first->eyes() &&
-               _player_video.first->eyes() != EYES_BOTH
+               _player_video.first->eyes() != Eyes::BOTH
                );
 
-       return true;
+       if (_player_video.first && _player_video.first->error()) {
+               ++_errored;
+       }
+
+       return SUCCESS;
 }
 
 dcpomatic::DCPTime
@@ -100,8 +109,8 @@ VideoView::time_until_next_frame () const
                return optional<int>();
        }
 
-       dcpomatic::DCPTime const next = position() + one_video_frame();
-       dcpomatic::DCPTime const time = _viewer->audio_time().get_value_or(position());
+       auto const next = position() + one_video_frame();
+       auto const time = _viewer->audio_time().get_value_or(position());
        if (next < time) {
                return 0;
        }
@@ -113,17 +122,18 @@ VideoView::start ()
 {
        boost::mutex::scoped_lock lm (_mutex);
        _dropped = 0;
+       _errored = 0;
 }
 
 bool
-VideoView::refresh_metadata (shared_ptr<const Film> film, dcp::Size video_container_size, dcp::Size film_frame_size)
+VideoView::reset_metadata (shared_ptr<const Film> film, dcp::Size player_video_container_size)
 {
-       boost::mutex::scoped_lock lm (_mutex);
-       if (!_player_video.first) {
+       auto pv = player_video ();
+       if (!pv.first) {
                return false;
        }
 
-       if (!_player_video.first->reset_metadata (film, video_container_size, film_frame_size)) {
+       if (!pv.first->reset_metadata(film, player_video_container_size)) {
                return false;
        }