#include <iomanip>
#include <wx/tglbtn.h>
#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<Film> 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<DecodeOptions> 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 ();
- _slider->Show (_film->content_type() == VIDEO);
- _play_button->Show (_film->content_type() == VIDEO);
- 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
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);
}
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)) {
- cout << "could not s&u to " << f << "\n";
+ _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<PlayerImage> image, Eyes eyes, DCPTime t)
{
- if (!_raw_frame || !_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<Image> 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<float> (_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<double>(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<shared_ptr<Job> > jobs = JobManager::instance()->get ();
+ list<shared_ptr<Job> >::iterator i = jobs.begin ();
+ while (i != jobs.end() && boost::dynamic_pointer_cast<ExamineContentJob> (*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> image, shared_ptr<Subtitle> 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)
{
- /* Clear our raw frame in case we don't get a new one */
- _raw_frame.reset ();
-
- try {
- shared_ptr<Image> last = _display_frame;
- while (last == _display_frame) {
- if (_decoders.video->pass ()) {
- /* We didn't get a frame before the decoder gave up,
- so clear our display frame.
- */
- _display_frame.reset ();
- 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 ();
}