#include "lib/subtitle.h"
#include "lib/image.h"
#include "lib/scaler.h"
+#include "lib/exceptions.h"
+#include "lib/examine_content_job.h"
#include "film_viewer.h"
#include "wx_util.h"
#include "video_decoder.h"
using std::pair;
using std::max;
using std::cout;
+using std::list;
using boost::shared_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)
+ , _display_frame_x (0)
+ , _got_frame (false)
+ , _clear_required (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);
+
+ _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:
+ {
+ DecodeOptions o;
+ 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, _3));
+ _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);
+ _v_sizer->Layout ();
+ 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;
}
return;
}
- shared_ptr<DecodeOptions> 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));
+ _film->Changed.connect (boost::bind (&FilmViewer::film_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);
}
void
FilmViewer::decoder_changed ()
{
- seek_and_update (_decoders.video->last_source_frame ());
+ if (_decoders.video->seek_to_last ()) {
+ return;
+ }
+
+ get_frame ();
+ _panel->Refresh ();
+ _panel->Update ();
}
void
-FilmViewer::timer (wxTimerEvent& ev)
+FilmViewer::timer (wxTimerEvent &)
{
+ if (!_film) {
+ return;
+ }
+
_panel->Refresh ();
_panel->Update ();
- shared_ptr<Image> last = _display;
- while (last == _display) {
- _decoders.video->pass ();
- }
+ get_frame ();
- int const new_slider_position = 4096 * _decoders.video->last_source_frame() / _film->length().get();
- if (new_slider_position != _slider->GetValue()) {
- _slider->SetValue (new_slider_position);
+ if (_film->length()) {
+ int const new_slider_position = 4096 * _decoders.video->last_source_time() / (_film->length().get() / _film->frames_per_second());
+ if (new_slider_position != _slider->GetValue()) {
+ _slider->SetValue (new_slider_position);
+ }
}
}
void
-FilmViewer::paint_panel (wxPaintEvent& ev)
+FilmViewer::paint_panel (wxPaintEvent &)
{
wxPaintDC dc (_panel);
- if (!_display) {
+
+ if (_clear_required) {
+ dc.Clear ();
+ _clear_required = false;
+ }
+
+ 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 * 2 + _film_size.width, _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);
-void
-FilmViewer::slider_moved (wxCommandEvent& ev)
-{
- seek_and_update (_slider->GetValue() * _film->length().get() / 4096);
+ 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);
+ }
}
+
void
-FilmViewer::seek_and_update (SourceFrame f)
+FilmViewer::slider_moved (wxScrollEvent &)
{
- _decoders.video->seek (f);
+ if (!_film || !_film->length()) {
+ return;
+ }
- shared_ptr<Image> last = _display;
- while (last == _display) {
- _decoders.video->pass ();
+ if (_decoders.video->seek (_slider->GetValue() * _film->length().get() / (4096 * _film->frames_per_second()))) {
+ 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 ();
}
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;
+ }
+
+ libdcp::Size old_size;
+ if (_display_frame) {
+ old_size = _display_frame->size();
+ }
+
+ /* Get a compacted image as we have to feed it to wxWidgets */
+ _display_frame = _raw_frame->scale_and_convert_to_rgb (_film_size, 0, _film->scaler(), false);
+
+ if (old_size != _display_frame->size()) {
+ _clear_required = true;
+ }
+
+ if (_raw_sub) {
+ Rect tx = subtitle_transformed_area (
+ float (_film_size.width) / _film->size().width,
+ float (_film_size.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();
+ _display_sub_position.x += _display_frame_x;
+ } else {
+ _display_sub.reset ();
+ }
+}
+
void
FilmViewer::calculate_sizes ()
{
- 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 (!_film) {
+ return;
+ }
+
+ Format const * format = _film->format ();
+
+ float const panel_ratio = static_cast<float> (_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<float> (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;
}
}
void
FilmViewer::check_play_state ()
{
+ if (!_film) {
+ return;
+ }
+
if (_play_button->GetValue()) {
_timer.Start (1000 / _film->frames_per_second());
} else {
}
void
-FilmViewer::process_video (shared_ptr<Image> image, shared_ptr<Subtitle> sub)
+FilmViewer::process_video (shared_ptr<Image> image, bool, shared_ptr<Subtitle> 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;
+}
+
+void
+FilmViewer::get_frame ()
+{
+ /* Clear our raw frame in case we don't get a new one */
+ _raw_frame.reset ();
+
+ try {
+ _got_frame = false;
+ while (!_got_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()));
+ }
+}
+
+void
+FilmViewer::active_jobs_changed (bool a)
+{
+ 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);
}
+
projects / dcpomatic.git / blobdiff