X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.cc;h=e6b8bf8dd06cd37b6d4e67fd41a3f3cec2c3381d;hb=e194f0003b60b2607da0822485c56cd8267e78dc;hp=3ee761ba48204e205ff65dec95e9b068f8dfe485;hpb=d9c78fb977457d3b99fb9ab38ca4e95ac4e2a288;p=dcpomatic.git diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc index 3ee761ba4..e6b8bf8dd 100644 --- a/src/wx/film_viewer.cc +++ b/src/wx/film_viewer.cc @@ -25,94 +25,88 @@ #include #include #include "lib/film.h" -#include "lib/format.h" +#include "lib/ratio.h" #include "lib/util.h" #include "lib/job_manager.h" -#include "lib/options.h" -#include "lib/subtitle.h" #include "lib/image.h" #include "lib/scaler.h" #include "lib/exceptions.h" +#include "lib/examine_content_job.h" +#include "lib/filter.h" +#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" -#include "video_decoder.h" using std::string; using std::pair; +using std::min; using std::max; using std::cout; +using std::list; +using std::make_pair; using boost::shared_ptr; +using boost::dynamic_pointer_cast; +using boost::weak_ptr; +using libdcp::Size; FilmViewer::FilmViewer (shared_ptr f, wxWindow* p) : wxPanel (p) , _panel (new wxPanel (this)) , _slider (new wxSlider (this, wxID_ANY, 0, 0, 4096)) - , _play_button (new wxToggleButton (this, wxID_ANY, wxT ("Play"))) - , _out_width (0) - , _out_height (0) - , _panel_width (0) - , _panel_height (0) + , _back_button (new wxButton (this, wxID_ANY, wxT("<"))) + , _forward_button (new wxButton (this, wxID_ANY, wxT(">"))) + , _frame_number (new wxStaticText (this, wxID_ANY, wxT(""))) + , _timecode (new wxStaticText (this, wxID_ANY, wxT(""))) + , _play_button (new wxToggleButton (this, wxID_ANY, _("Play"))) + , _got_frame (false) { +#ifndef __WXOSX__ _panel->SetDoubleBuffered (true); +#endif + _panel->SetBackgroundStyle (wxBG_STYLE_PAINT); - wxBoxSizer* v_sizer = new wxBoxSizer (wxVERTICAL); - SetSizer (v_sizer); + _v_sizer = new wxBoxSizer (wxVERTICAL); + SetSizer (_v_sizer); - v_sizer->Add (_panel, 1, wxEXPAND); + _v_sizer->Add (_panel, 1, wxEXPAND); wxBoxSizer* h_sizer = new wxBoxSizer (wxHORIZONTAL); + + wxBoxSizer* time_sizer = new wxBoxSizer (wxVERTICAL); + time_sizer->Add (_frame_number, 0, wxEXPAND); + time_sizer->Add (_timecode, 0, wxEXPAND); + + h_sizer->Add (_back_button, 0, wxALL, 2); + h_sizer->Add (time_sizer, 0, wxEXPAND); + h_sizer->Add (_forward_button, 0, wxALL, 2); h_sizer->Add (_play_button, 0, wxEXPAND); h_sizer->Add (_slider, 1, wxEXPAND); - v_sizer->Add (h_sizer, 0, wxEXPAND); + _v_sizer->Add (h_sizer, 0, wxEXPAND | wxALL, 6); - _panel->Bind (wxEVT_PAINT, &FilmViewer::paint_panel, this); - _panel->Bind (wxEVT_SIZE, &FilmViewer::panel_sized, this); - _slider->Bind (wxEVT_SCROLL_THUMBTRACK, &FilmViewer::slider_moved, this); - _slider->Bind (wxEVT_SCROLL_PAGEUP, &FilmViewer::slider_moved, this); - _slider->Bind (wxEVT_SCROLL_PAGEDOWN, &FilmViewer::slider_moved, this); - _play_button->Bind (wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, &FilmViewer::play_clicked, this); - _timer.Bind (wxEVT_TIMER, &FilmViewer::timer, this); + _frame_number->SetMinSize (wxSize (84, -1)); + _back_button->SetMinSize (wxSize (32, -1)); + _forward_button->SetMinSize (wxSize (32, -1)); - set_film (_film); -} + _panel->Bind (wxEVT_PAINT, boost::bind (&FilmViewer::paint_panel, this)); + _panel->Bind (wxEVT_SIZE, boost::bind (&FilmViewer::panel_sized, this, _1)); + _slider->Bind (wxEVT_SCROLL_THUMBTRACK, boost::bind (&FilmViewer::slider_moved, this)); + _slider->Bind (wxEVT_SCROLL_PAGEUP, boost::bind (&FilmViewer::slider_moved, this)); + _slider->Bind (wxEVT_SCROLL_PAGEDOWN, boost::bind (&FilmViewer::slider_moved, this)); + _play_button->Bind (wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, boost::bind (&FilmViewer::play_clicked, this)); + _timer.Bind (wxEVT_TIMER, boost::bind (&FilmViewer::timer, this)); + _back_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&FilmViewer::back_clicked, this)); + _forward_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&FilmViewer::forward_clicked, this)); -void -FilmViewer::film_changed (Film::Property p) -{ - switch (p) { - case Film::FORMAT: - calculate_sizes (); - update_from_raw (); - break; - case Film::CONTENT: - { - shared_ptr o (new DecodeOptions); - o->decode_audio = false; - o->decode_subtitles = true; - o->video_sync = false; - _decoders = decoder_factory (_film, o, 0); - _decoders.video->Video.connect (bind (&FilmViewer::process_video, this, _1, _2)); - _decoders.video->OutputChanged.connect (boost::bind (&FilmViewer::decoder_changed, this)); - _decoders.video->set_subtitle_stream (_film->subtitle_stream()); - calculate_sizes (); - get_frame (); - _panel->Refresh (); - break; - } - case Film::WITH_SUBTITLES: - case Film::SUBTITLE_OFFSET: - case Film::SUBTITLE_SCALE: - case Film::SCALER: - update_from_raw (); - break; - case Film::SUBTITLE_STREAM: - _decoders.video->set_subtitle_stream (_film->subtitle_stream ()); - break; - default: - break; - } + set_film (f); + + JobManager::instance()->ActiveJobsChanged.connect ( + bind (&FilmViewer::active_jobs_changed, this, _1) + ); } void @@ -121,44 +115,61 @@ FilmViewer::set_film (shared_ptr f) if (_film == f) { return; } - + _film = f; + _frame.reset (); + + _slider->SetValue (0); + set_position_text (0); + if (!_film) { return; } - _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1)); + _player = f->make_player (); + _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)); - film_changed (Film::CONTENT); - film_changed (Film::CROP); - film_changed (Film::FORMAT); - film_changed (Film::WITH_SUBTITLES); - film_changed (Film::SUBTITLE_OFFSET); - film_changed (Film::SUBTITLE_SCALE); - film_changed (Film::SUBTITLE_STREAM); + calculate_sizes (); + fetch_next_frame (); } void -FilmViewer::decoder_changed () +FilmViewer::fetch_current_frame_again () { - seek_and_update (_decoders.video->last_source_frame ()); + if (!_player) { + return; + } + + /* We could do this with a seek and a fetch_next_frame, but this is + a shortcut to make it quicker. + */ + + _got_frame = false; + if (!_player->repeat_last_video ()) { + fetch_next_frame (); + } + + _panel->Refresh (); + _panel->Update (); } void -FilmViewer::timer (wxTimerEvent& ev) +FilmViewer::timer () { - if (!_film) { + if (!_player) { return; } - _panel->Refresh (); - _panel->Update (); + fetch_next_frame (); - get_frame (); + DCPTime const len = _film->length (); - if (_film->length()) { - int const new_slider_position = 4096 * _decoders.video->last_source_frame() / _film->length().get(); + if (len) { + int const new_slider_position = 4096 * _player->video_position() / len; if (new_slider_position != _slider->GetValue()) { _slider->SetValue (new_slider_position); } @@ -167,156 +178,231 @@ FilmViewer::timer (wxTimerEvent& ev) void -FilmViewer::paint_panel (wxPaintEvent& ev) +FilmViewer::paint_panel () { wxPaintDC dc (_panel); - if (!_display_frame || !_film) { + if (!_frame || !_film || !_out_size.width || !_out_size.height) { + dc.Clear (); return; } - wxImage frame (_out_width, _out_height, _display_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); - if (_film->with_subtitles() && _display_sub) { - wxImage sub (_display_sub->size().width, _display_sub->size().height, _display_sub->data()[0], _display_sub->alpha(), true); - wxBitmap sub_bitmap (sub); - dc.DrawBitmap (sub_bitmap, _display_sub_position.x, _display_sub_position.y); + if (_out_size.width < _panel_size.width) { + wxPen p (GetBackgroundColour ()); + wxBrush b (GetBackgroundColour ()); + dc.SetPen (p); + dc.SetBrush (b); + dc.DrawRectangle (_out_size.width, 0, _panel_size.width - _out_size.width, _panel_size.height); } + + if (_out_size.height < _panel_size.height) { + wxPen p (GetBackgroundColour ()); + wxBrush b (GetBackgroundColour ()); + dc.SetPen (p); + dc.SetBrush (b); + dc.DrawRectangle (0, _out_size.height, _panel_size.width, _panel_size.height - _out_size.height); + } } void -FilmViewer::slider_moved (wxCommandEvent& ev) +FilmViewer::slider_moved () { - if (!_film) { - return; - } - - if (_film->length()) { - seek_and_update (_slider->GetValue() * _film->length().get() / 4096); + if (_film && _player) { + _player->seek (_slider->GetValue() * _film->length() / 4096, false); + fetch_next_frame (); } } void -FilmViewer::seek_and_update (SourceFrame f) +FilmViewer::panel_sized (wxSizeEvent& ev) { - if (_decoders.video->seek (f)) { + _panel_size.width = ev.GetSize().GetWidth(); + _panel_size.height = ev.GetSize().GetHeight(); + calculate_sizes (); + fetch_current_frame_again (); +} + +void +FilmViewer::calculate_sizes () +{ + if (!_film || !_player) { return; } - get_frame (); - _panel->Refresh (); - _panel->Update (); + Ratio const * container = _film->container (); + + float const panel_ratio = _panel_size.ratio (); + float const film_ratio = container ? container->ratio () : 1.78; + + if (panel_ratio < film_ratio) { + /* panel is less widscreen than the film; clamp width */ + _out_size.width = _panel_size.width; + _out_size.height = _out_size.width / film_ratio; + } else { + /* panel is more widescreen than the film; clamp height */ + _out_size.height = _panel_size.height; + _out_size.width = _out_size.height * film_ratio; + } + + /* Catch silly values */ + _out_size.width = max (64, _out_size.width); + _out_size.height = max (64, _out_size.height); + + _player->set_video_container_size (_out_size); } void -FilmViewer::panel_sized (wxSizeEvent& ev) +FilmViewer::play_clicked () { - _panel_width = ev.GetSize().GetWidth(); - _panel_height = ev.GetSize().GetHeight(); - calculate_sizes (); - update_from_raw (); + check_play_state (); } void -FilmViewer::update_from_raw () +FilmViewer::check_play_state () { - if (!_raw_frame) { + if (!_film || _film->video_frame_rate() == 0) { return; } - - raw_to_display (); - _panel->Refresh (); - _panel->Update (); + if (_play_button->GetValue()) { + _timer.Start (1000 / _film->video_frame_rate()); + } else { + _timer.Stop (); + } } void -FilmViewer::raw_to_display () +FilmViewer::process_video (shared_ptr image, Eyes eyes, DCPTime t) { - if (!_out_width || !_out_height || !_film) { + if (eyes == EYES_RIGHT) { return; } - /* Get a compacted image as we have to feed it to wxWidgets */ - _display_frame = _raw_frame->scale_and_convert_to_rgb (Size (_out_width, _out_height), 0, _film->scaler(), false); + /* 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; - if (_raw_sub) { - Rect tx = subtitle_transformed_area ( - float (_out_width) / _film->size().width, - float (_out_height) / _film->size().height, - _raw_sub->area(), _film->subtitle_offset(), _film->subtitle_scale() - ); - - _display_sub.reset (new RGBPlusAlphaImage (_raw_sub->image()->scale (tx.size(), _film->scaler(), false))); - _display_sub_position = tx.position(); - } else { - _display_sub.reset (); - } -} + set_position_text (t); +} void -FilmViewer::calculate_sizes () +FilmViewer::set_position_text (DCPTime t) { if (!_film) { + _frame_number->SetLabel ("0"); + _timecode->SetLabel ("0:0:0.0"); return; } + + 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)); - float const panel_ratio = static_cast (_panel_width) / _panel_height; - float const film_ratio = _film->format() ? _film->format()->ratio_as_float(_film) : 1.78; - if (panel_ratio < film_ratio) { - /* panel is less widscreen than the film; clamp width */ - _out_width = _panel_width; - _out_height = _out_width / film_ratio; - } else { - /* panel is more widescreen than the film; clamp heignt */ - _out_height = _panel_height; - _out_width = _out_height * film_ratio; + double w = static_cast(t) / TIME_HZ; + int const h = (w / 3600); + w -= h * 3600; + int const m = (w / 60); + w -= m * 60; + int const s = floor (w); + w -= s; + int const f = rint (w * fps); + _timecode->SetLabel (wxString::Format (wxT("%02d:%02d:%02d.%02d"), h, m, s, f)); +} + +/** Ask the player to emit its next frame, then update our display */ +void +FilmViewer::fetch_next_frame () +{ + /* Clear our frame in case we don't get a new one */ + _frame.reset (); + + if (!_player) { + return; + } + + _got_frame = false; + + try { + while (!_got_frame && !_player->pass ()) {} + } catch (DecodeError& e) { + _play_button->SetValue (false); + check_play_state (); + error_dialog (this, wxString::Format (_("Could not decode video for view (%s)"), std_to_wx(e.what()).data())); + } 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. + */ } + + _panel->Refresh (); + _panel->Update (); } void -FilmViewer::play_clicked (wxCommandEvent &) +FilmViewer::active_jobs_changed (bool a) { - check_play_state (); + if (a) { + list > jobs = JobManager::instance()->get (); + list >::iterator i = jobs.begin (); + while (i != jobs.end() && boost::dynamic_pointer_cast (*i) == 0) { + ++i; + } + + if (i == jobs.end() || (*i)->finished()) { + /* no examine content job running, so we're ok to use the viewer */ + a = false; + } + } + + _slider->Enable (!a); + _play_button->Enable (!a); } void -FilmViewer::check_play_state () +FilmViewer::back_clicked () { - if (!_film) { + if (!_player) { return; } - - if (_play_button->GetValue()) { - _timer.Start (1000 / _film->frames_per_second()); - } else { - _timer.Stop (); + + /* Player::video_position is the time after the last frame that we received. + We want to see the one before it, so we need to go back 2. + */ + + DCPTime p = _player->video_position() - _film->video_frames_to_time (2); + if (p < 0) { + p = 0; } + + _player->seek (p, true); + fetch_next_frame (); } void -FilmViewer::process_video (shared_ptr image, shared_ptr sub) +FilmViewer::forward_clicked () { - _raw_frame = image; - _raw_sub = sub; + if (!_player) { + return; + } - raw_to_display (); + fetch_next_frame (); } void -FilmViewer::get_frame () +FilmViewer::player_changed (bool frequent) { - try { - shared_ptr last = _display_frame; - while (last == _display_frame) { - if (_decoders.video->pass ()) { - break; - } - } - } catch (DecodeError& e) { - error_dialog (this, String::compose ("Could not decode video for view (%1)", e.what())); + if (frequent) { + return; } + + calculate_sizes (); + fetch_current_frame_again (); }