X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.cc;h=deee65a5fca4dc07f7d401f0234386d9937257cf;hb=8aeb741ccbe2edb528e98a431bf55459a6836a9b;hp=0e1fe3ea0ab87baf7453e175c6c30ad204efe0b2;hpb=ef4cd174472dc1c4694d4451dc60b9292c60666b;p=dcpomatic.git diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc index 0e1fe3ea0..deee65a5f 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" @@ -45,6 +46,7 @@ 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; @@ -126,8 +128,16 @@ FilmViewer::set_film (shared_ptr f) 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)); @@ -164,7 +174,7 @@ 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; @@ -185,9 +195,7 @@ FilmViewer::paint_panel () return; } - shared_ptr packed_frame (new Image (_frame, false)); - - wxImage frame (_out_size.width, _out_size.height, packed_frame->data()[0], true); + wxImage frame (_out_size.width, _out_size.height, _frame->data()[0], true); wxBitmap frame_bitmap (frame); dc.DrawBitmap (frame_bitmap, 0, 0); @@ -213,8 +221,14 @@ void FilmViewer::slider_moved () { if (_film && _player) { - _player->seek (_slider->GetValue() * _film->length() / 4096, false); - fetch_next_frame (); + try { + _player->seek (_slider->GetValue() * _film->length() / 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. + */ + } } } @@ -253,6 +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); } @@ -277,20 +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"); @@ -373,13 +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); + DCPTime p = _player->video_position() - _film->video_frames_to_time (2); if (p < 0) { p = 0; } - _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