X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.cc;h=f8373d3fdc1f31655d9bea599396c24c4c880a1c;hb=d62877ae6c4e316e43f4052e4b9ba673610012cf;hp=80516328c7682bc6779f1387a196419033ee740a;hpb=3171c89fef95b19c8889996caaac73eea71cf388;p=dcpomatic.git diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc index 80516328c..f8373d3fd 100644 --- a/src/wx/film_viewer.cc +++ b/src/wx/film_viewer.cc @@ -28,10 +28,16 @@ #include "lib/format.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/ffmpeg_content.h" +#include "lib/imagemagick_content.h" #include "film_viewer.h" #include "wx_util.h" #include "video_decoder.h" @@ -40,51 +46,77 @@ using std::string; using std::pair; using std::max; using std::cout; +using std::list; using boost::shared_ptr; +using boost::dynamic_pointer_cast; +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) + , _play_button (new wxToggleButton (this, wxID_ANY, _("Play"))) + , _display_frame_x (0) + , _got_frame (false) { - wxBoxSizer* v_sizer = new wxBoxSizer (wxVERTICAL); - SetSizer (v_sizer); + _panel->SetDoubleBuffered (true); +#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9 + _panel->SetBackgroundStyle (wxBG_STYLE_PAINT); +#endif + + _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); 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->Connect (wxID_ANY, wxEVT_PAINT, wxPaintEventHandler (FilmViewer::paint_panel), 0, this); + _panel->Connect (wxID_ANY, wxEVT_SIZE, wxSizeEventHandler (FilmViewer::panel_sized), 0, this); + _slider->Connect (wxID_ANY, wxEVT_SCROLL_THUMBTRACK, wxScrollEventHandler (FilmViewer::slider_moved), 0, this); + _slider->Connect (wxID_ANY, wxEVT_SCROLL_PAGEUP, wxScrollEventHandler (FilmViewer::slider_moved), 0, this); + _slider->Connect (wxID_ANY, wxEVT_SCROLL_PAGEDOWN, wxScrollEventHandler (FilmViewer::slider_moved), 0, this); + _play_button->Connect (wxID_ANY, wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, wxCommandEventHandler (FilmViewer::play_clicked), 0, this); + _timer.Connect (wxID_ANY, wxEVT_TIMER, wxTimerEventHandler (FilmViewer::timer), 0, this); - _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); + set_film (f); - set_film (_film); + JobManager::instance()->ActiveJobsChanged.connect ( + bind (&FilmViewer::active_jobs_changed, this, _1) + ); } void FilmViewer::film_changed (Film::Property p) { switch (p) { - case Film::CROP: + case Film::FORMAT: calculate_sizes (); update_from_raw (); break; - case Film::FORMAT: + case Film::CONTENT: + { calculate_sizes (); - update_from_raw (); + get_frame (); + _panel->Refresh (); + _v_sizer->Layout (); + break; + } + case Film::WITH_SUBTITLES: + case Film::SUBTITLE_OFFSET: + case Film::SUBTITLE_SCALE: + raw_to_display (); + _panel->Refresh (); + _panel->Update (); + break; + case Film::SCALER: + case Film::FILTERS: + case Film::CROP: + update_from_decoder (); break; default: break; @@ -97,83 +129,130 @@ FilmViewer::set_film (shared_ptr f) if (_film == f) { return; } - + _film = f; if (!_film) { return; } - shared_ptr o (new DecodeOptions); - o->decode_audio = false; - 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)); + _player = f->player (); + _player->disable_audio (); + _player->disable_video_sync (); + /* Don't disable subtitles here as we may need them, and it's nice to be able to turn them + on and off without needing obtain a new Player. + */ + + _player->Video.connect (bind (&FilmViewer::process_video, this, _1, _2, _3)); + + _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1)); - film_changed (Film::CROP); + film_changed (Film::CONTENT); film_changed (Film::FORMAT); + film_changed (Film::WITH_SUBTITLES); + film_changed (Film::SUBTITLE_OFFSET); + film_changed (Film::SUBTITLE_SCALE); } void -FilmViewer::decoder_changed () +FilmViewer::update_from_decoder () { - shared_ptr last = _display; - while (last == _display) { - _decoders.video->pass (); + if (!_player || _player->seek_to_last ()) { + return; } + + get_frame (); _panel->Refresh (); _panel->Update (); } void -FilmViewer::timer (wxTimerEvent& ev) +FilmViewer::timer (wxTimerEvent &) { + if (!_player) { + return; + } + _panel->Refresh (); _panel->Update (); - shared_ptr last = _display; - while (last == _display) { - _decoders.video->pass (); - } + get_frame (); -#if 0 - if (_last_frame_in_seconds) { - double const video_length_in_seconds = static_cast(_format_context->duration) / AV_TIME_BASE; - int const new_slider_position = 4096 * _last_frame_in_seconds / video_length_in_seconds; + if (_film->video_length()) { + int const new_slider_position = 4096 * _player->last_video_time() / (_film->video_length() / _film->video_frame_rate()); if (new_slider_position != _slider->GetValue()) { _slider->SetValue (new_slider_position); } } -#endif } void -FilmViewer::paint_panel (wxPaintEvent& ev) +FilmViewer::paint_panel (wxPaintEvent &) { wxPaintDC dc (_panel); - if (!_display) { + + if (!_display_frame || !_film || !_out_size.width || !_out_size.height) { + dc.Clear (); return; } - wxImage i (_out_width, _out_height, _display->data()[0], true); - wxBitmap b (i); - dc.DrawBitmap (b, 0, 0); + if (_display_frame_x) { + dc.SetPen(*wxBLACK_PEN); + dc.SetBrush(*wxBLACK_BRUSH); + dc.DrawRectangle (0, 0, _display_frame_x, _film_size.height); + dc.DrawRectangle (_display_frame_x + _film_size.width, 0, _display_frame_x, _film_size.height); + } + + wxImage frame (_film_size.width, _film_size.height, _display_frame->data()[0], true); + wxBitmap frame_bitmap (frame); + dc.DrawBitmap (frame_bitmap, _display_frame_x, 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 (_film_size.width < _panel_size.width) { + wxPen p (GetBackgroundColour ()); + wxBrush b (GetBackgroundColour ()); + dc.SetPen (p); + dc.SetBrush (b); + dc.DrawRectangle (_film_size.width, 0, _panel_size.width - _film_size.width, _panel_size.height); + } + + if (_film_size.height < _panel_size.height) { + wxPen p (GetBackgroundColour ()); + wxBrush b (GetBackgroundColour ()); + dc.SetPen (p); + dc.SetBrush (b); + dc.DrawRectangle (0, _film_size.height, _panel_size.width, _panel_size.height - _film_size.height); + } } void -FilmViewer::slider_moved (wxCommandEvent& ev) +FilmViewer::slider_moved (wxScrollEvent &) { - _decoders.video->seek (_slider->GetValue() * _film->length().get() / 4096); + if (!_film || !_player) { + return; + } + + if (_player->seek (_slider->GetValue() * _film->video_length() / (4096 * _film->video_frame_rate()))) { + return; + } + + get_frame (); + _panel->Refresh (); + _panel->Update (); } void FilmViewer::panel_sized (wxSizeEvent& ev) { - _panel_width = ev.GetSize().GetWidth(); - _panel_height = ev.GetSize().GetHeight(); + _panel_size.width = ev.GetSize().GetWidth(); + _panel_size.height = ev.GetSize().GetHeight(); calculate_sizes (); update_from_raw (); } @@ -181,31 +260,91 @@ FilmViewer::panel_sized (wxSizeEvent& ev) void FilmViewer::update_from_raw () { - if (!_raw) { + if (!_raw_frame) { return; } - if (_out_width && _out_height) { - _display = _raw->scale_and_convert_to_rgb (Size (_out_width, _out_height), 0, Scaler::from_id ("bicubic")); - } + raw_to_display (); _panel->Refresh (); _panel->Update (); } +void +FilmViewer::raw_to_display () +{ + if (!_raw_frame || _out_size.width < 64 || _out_size.height < 64 || !_film) { + return; + } + + shared_ptr input = _raw_frame; + + pair const s = Filter::ffmpeg_strings (_film->filters()); + if (!s.second.empty ()) { + input = input->post_process (s.second, true); + } + + /* Get a compacted image as we have to feed it to wxWidgets */ + _display_frame = input->scale_and_convert_to_rgb (_film_size, 0, _film->scaler(), false); + + if (_raw_sub) { + + /* Our output is already cropped by the decoder, so we need to account for that + when working out the scale that we are applying. + */ + + Size const cropped_size = _film->cropped_size (_film->video_size ()); + + Rect tx = subtitle_transformed_area ( + float (_film_size.width) / cropped_size.width, + float (_film_size.height) / cropped_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(); + _display_sub_position.x += _display_frame_x; + } else { + _display_sub.reset (); + } +} + void FilmViewer::calculate_sizes () { - 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 (!_film || !_player) { + return; + } + + Format const * format = _film->format (); + + float const panel_ratio = static_cast (_panel_size.width) / _panel_size.height; + float const film_ratio = format ? format->container_ratio_as_float () : 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; + _out_size.width = _panel_size.width; + _out_size.height = _out_size.width / film_ratio; } else { - /* panel is more widescreen than the film; clamp heignt */ - _out_height = _panel_height; - _out_width = _out_height * film_ratio; + /* panel is more widescreen than the film; clamp height */ + _out_size.height = _panel_size.height; + _out_size.width = _out_size.height * film_ratio; + } + + /* Work out how much padding there is in terms of our display; this will be the x position + of our _display_frame. + */ + _display_frame_x = 0; + if (format) { + _display_frame_x = static_cast (format->dcp_padding (_film)) * _out_size.width / format->dcp_size().width; + } + + _film_size = _out_size; + _film_size.width -= _display_frame_x * 2; + + /* Catch silly values */ + if (_out_size.width < 64) { + _out_size.width = 64; } } @@ -218,18 +357,77 @@ FilmViewer::play_clicked (wxCommandEvent &) void FilmViewer::check_play_state () { + if (!_film) { + return; + } + if (_play_button->GetValue()) { - _timer.Start (1000 / _film->frames_per_second()); + _timer.Start (1000 / _film->video_frame_rate()); } else { _timer.Stop (); } } void -FilmViewer::process_video (shared_ptr image, shared_ptr sub) +FilmViewer::process_video (shared_ptr image, bool, shared_ptr sub) { - _raw = image; - if (_out_width && _out_height) { - _display = _raw->scale_and_convert_to_rgb (Size (_out_width, _out_height), 0, Scaler::from_id ("bicubic")); + _raw_frame = image; + _raw_sub = sub; + + raw_to_display (); + + _got_frame = true; +} + +/** Get a new _raw_frame from the decoder and then do + * raw_to_display (). + */ +void +FilmViewer::get_frame () +{ + /* Clear our raw frame in case we don't get a new one */ + _raw_frame.reset (); + + if (!_player) { + _display_frame.reset (); + return; + } + + try { + _got_frame = false; + while (!_got_frame) { + if (_player->pass ()) { + /* We didn't get a frame before the decoder gave up, + so clear our display frame. + */ + _display_frame.reset (); + break; + } + } + } 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())); + } +} + +void +FilmViewer::active_jobs_changed (bool a) +{ + 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); } +