X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.cc;h=f426a7c6e9f86c77764b6274586abcb2760655d1;hb=08d62727f7f1c813cbc7041027fe4a52518623da;hp=b4935dcf4a4a696acfba35066a355bcc993304ca;hpb=98060a4e6f02b418f30b4b736e5880a357454c40;p=dcpomatic.git diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc index b4935dcf4..f426a7c6e 100644 --- a/src/wx/film_viewer.cc +++ b/src/wx/film_viewer.cc @@ -36,6 +36,7 @@ #include "lib/player.h" #include "lib/video_content.h" #include "lib/video_decoder.h" +#include "lib/timer.h" #include "film_viewer.h" #include "wx_util.h" @@ -45,11 +46,12 @@ using std::min; using std::max; using std::cout; using std::list; +using std::bad_alloc; using std::make_pair; using boost::shared_ptr; using boost::dynamic_pointer_cast; using boost::weak_ptr; -using libdcp::Size; +using dcp::Size; FilmViewer::FilmViewer (shared_ptr f, wxWindow* p) : wxPanel (p) @@ -120,14 +122,22 @@ FilmViewer::set_film (shared_ptr f) _frame.reset (); _slider->SetValue (0); - set_position_text (0); + set_position_text (DCPTime ()); if (!_film) { return; } - _player = f->make_player (); + try { + _player = f->make_player (); + } catch (bad_alloc) { + error_dialog (this, _("There is not enough free memory to do that.")); + _film.reset (); + return; + } + _player->disable_audio (); + _player->set_approximate_size (); _player->Video.connect (boost::bind (&FilmViewer::process_video, this, _1, _2, _5)); _player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1)); @@ -164,10 +174,10 @@ FilmViewer::timer () fetch_next_frame (); - Time const len = _film->length (); + DCPTime const len = _film->length (); - if (len) { - int const new_slider_position = 4096 * _player->video_position() / len; + if (len.get ()) { + int const new_slider_position = 4096 * _player->video_position().get() / len.get(); if (new_slider_position != _slider->GetValue()) { _slider->SetValue (new_slider_position); } @@ -211,8 +221,14 @@ void FilmViewer::slider_moved () { if (_film && _player) { - _player->seek (_slider->GetValue() * _film->length() / 4096, false); - fetch_next_frame (); + try { + _player->seek (DCPTime (_film->length().get() * _slider->GetValue() / 4096), false); + fetch_next_frame (); + } catch (OpenFileError& e) { + /* There was a problem opening a content file; we'll let this slide as it + probably means a missing content file, which we're already taking care of. + */ + } } } @@ -251,6 +267,13 @@ FilmViewer::calculate_sizes () _out_size.width = max (64, _out_size.width); _out_size.height = max (64, _out_size.height); + /* The player will round its image down to the nearest 4 pixels + to speed up its scale, so do similar here to avoid black borders + around things. This is a bit of a hack. + */ + _out_size.width &= ~3; + _out_size.height &= ~3; + _player->set_video_container_size (_out_size); } @@ -275,20 +298,24 @@ FilmViewer::check_play_state () } void -FilmViewer::process_video (shared_ptr image, Eyes eyes, Time t) +FilmViewer::process_video (shared_ptr image, Eyes eyes, DCPTime t) { if (eyes == EYES_RIGHT) { return; } - - _frame = image; + + /* Going via BGRA here makes the scaler faster then using RGB24 directly (about + twice on x86 Linux). + */ + shared_ptr im = image->image (PIX_FMT_BGRA, true); + _frame = im->scale (im->size(), Scaler::from_id ("fastbilinear"), PIX_FMT_RGB24, false); _got_frame = true; set_position_text (t); } void -FilmViewer::set_position_text (Time t) +FilmViewer::set_position_text (DCPTime t) { if (!_film) { _frame_number->SetLabel ("0"); @@ -298,9 +325,9 @@ FilmViewer::set_position_text (Time t) double const fps = _film->video_frame_rate (); /* Count frame number from 1 ... not sure if this is the best idea */ - _frame_number->SetLabel (wxString::Format (wxT("%d"), int (rint (t * fps / TIME_HZ)) + 1)); + _frame_number->SetLabel (wxString::Format (wxT("%d"), int (rint (t.seconds() * fps)) + 1)); - double w = static_cast(t) / TIME_HZ; + double w = t.seconds (); int const h = (w / 3600); w -= h * 3600; int const m = (w / 60); @@ -371,13 +398,19 @@ FilmViewer::back_clicked () We want to see the one before it, so we need to go back 2. */ - Time p = _player->video_position() - _film->video_frames_to_time (2); - if (p < 0) { - p = 0; + DCPTime p = _player->video_position() - DCPTime::from_frames (2, _film->video_frame_rate ()); + if (p < DCPTime ()) { + p = DCPTime (); } - _player->seek (p, true); - fetch_next_frame (); + try { + _player->seek (p, true); + fetch_next_frame (); + } catch (OpenFileError& e) { + /* There was a problem opening a content file; we'll let this slide as it + probably means a missing content file, which we're already taking care of. + */ + } } void