/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
* @brief A wx widget to view a preview of a Film.
*/
-#include <iostream>
-#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/player_video.h"
+#include "lib/video_content.h"
+#include "lib/video_decoder.h"
+#include "lib/timer.h"
+#include "lib/log.h"
#include "film_viewer.h"
#include "wx_util.h"
-#include "video_decoder.h"
+#include <dcp/exceptions.h>
+#include <wx/tglbtn.h>
+#include <iostream>
+#include <iomanip>
using std::string;
using std::pair;
+using std::min;
using std::max;
using std::cout;
using std::list;
+using std::bad_alloc;
+using std::make_pair;
+using std::exception;
using boost::shared_ptr;
-using libdcp::Size;
+using boost::dynamic_pointer_cast;
+using boost::weak_ptr;
+using dcp::Size;
-FilmViewer::FilmViewer (shared_ptr<Film> f, wxWindow* p)
+FilmViewer::FilmViewer (wxWindow* p)
: wxPanel (p)
, _panel (new wxPanel (this))
+ , _outline_content (new wxCheckBox (this, wxID_ANY, _("Outline content")))
, _slider (new wxSlider (this, wxID_ANY, 0, 0, 4096))
- , _play_button (new wxToggleButton (this, wxID_ANY, wxT ("Play")))
- , _display_frame_x (0)
- , _got_frame (false)
- , _clear_required (false)
+ , _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")))
+ , _last_get_accurate (true)
{
+#ifndef __WXOSX__
_panel->SetDoubleBuffered (true);
-#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
+#endif
+
_panel->SetBackgroundStyle (wxBG_STYLE_PAINT);
-#endif
_v_sizer = new wxBoxSizer (wxVERTICAL);
SetSizer (_v_sizer);
_v_sizer->Add (_panel, 1, wxEXPAND);
+ _v_sizer->Add (_outline_content, 0, wxALL, DCPOMATIC_SIZER_GAP);
+
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->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);
+ _frame_number->SetMinSize (wxSize (84, -1));
+ _back_button->SetMinSize (wxSize (32, -1));
+ _forward_button->SetMinSize (wxSize (32, -1));
- set_film (f);
+ _panel->Bind (wxEVT_PAINT, boost::bind (&FilmViewer::paint_panel, this));
+ _panel->Bind (wxEVT_SIZE, boost::bind (&FilmViewer::panel_sized, this, _1));
+ _outline_content->Bind(wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&FilmViewer::refresh_panel, this));
+ _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));
+ set_film (shared_ptr<Film> ());
+
JobManager::instance()->ActiveJobsChanged.connect (
bind (&FilmViewer::active_jobs_changed, this, _1)
);
-}
-void
-FilmViewer::film_changed (Film::Property p)
-{
- switch (p) {
- case Film::FORMAT:
- calculate_sizes ();
- update_from_raw ();
- break;
- 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;
- }
+ setup_sensitivity ();
}
void
if (_film == f) {
return;
}
-
+
_film = f;
+ _frame.reset ();
+
+ _slider->SetValue (0);
+ set_position_text ();
+
if (!_film) {
return;
}
- _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1));
+ try {
+ _player = f->make_player ();
+ } catch (bad_alloc) {
+ error_dialog (this, _("There is not enough free memory to do that."));
+ _film.reset ();
+ return;
+ }
+
+ /* Always burn in subtitles, even if we are set not to, otherwise we won't see them
+ in the preview.
+ */
+ _player->set_burn_subtitles (true);
+
+ _film_connection = _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);
+ _player_connection = _player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1));
+
+ calculate_sizes ();
+ get (_position, _last_get_accurate);
+
+ setup_sensitivity ();
}
void
-FilmViewer::decoder_changed ()
+FilmViewer::refresh_panel ()
{
- if (_decoders.video->seek_to_last ()) {
- return;
- }
-
- get_frame ();
_panel->Refresh ();
_panel->Update ();
}
void
-FilmViewer::timer (wxTimerEvent &)
+FilmViewer::get (DCPTime p, bool accurate)
{
- if (!_film) {
+ if (!_player) {
return;
}
+
+ list<shared_ptr<PlayerVideo> > pvf;
+ try {
+ pvf = _player->get_video (p, accurate);
+ } catch (exception& e) {
+ error_dialog (this, wxString::Format (_("Could not get video for view (%s)"), std_to_wx(e.what()).data()));
+ }
- _panel->Refresh ();
- _panel->Update ();
+ if (!pvf.empty ()) {
+ try {
+ _frame = pvf.front()->image (PIX_FMT_RGB24, true, boost::bind (&Log::dcp_log, _film->log().get(), _1, _2));
+
+ dcp::YUVToRGB yuv_to_rgb = dcp::YUV_TO_RGB_REC601;
+ if (pvf.front()->colour_conversion()) {
+ yuv_to_rgb = pvf.front()->colour_conversion().get().yuv_to_rgb();
+ }
+
+ _frame = _frame->scale (_frame->size(), yuv_to_rgb, PIX_FMT_RGB24, false);
+ _position = pvf.front()->time ();
+ _inter_position = pvf.front()->inter_position ();
+ _inter_size = pvf.front()->inter_size ();
+ } catch (dcp::DCPReadError& e) {
+ /* This can happen on the following sequence of events:
+ * - load encrypted DCP
+ * - add KDM
+ * - DCP is examined again, which sets its "playable" flag to 1
+ * - as a side effect of the exam, the viewer is updated using the old pieces
+ * - the DCPDecoder in the old piece gives us an encrypted frame
+ * - then, the pieces are re-made (but too late).
+ *
+ * I hope there's a better way to handle this ...
+ */
+ _frame.reset ();
+ _position = p;
+ }
+ } else {
+ _frame.reset ();
+ _position = p;
+ }
+
+ set_position_text ();
+ refresh_panel ();
- get_frame ();
+ _last_get_accurate = accurate;
+}
- if (_film->length()) {
- int const new_slider_position = 4096 * _decoders.video->last_source_time() / (_film->length().get() / _film->frames_per_second());
+void
+FilmViewer::timer ()
+{
+ get (_position + DCPTime::from_frames (1, _film->video_frame_rate ()), true);
+
+ DCPTime const len = _film->length ();
+
+ if (len.get ()) {
+ int const new_slider_position = 4096 * _position.get() / len.get();
if (new_slider_position != _slider->GetValue()) {
_slider->SetValue (new_slider_position);
}
void
-FilmViewer::paint_panel (wxPaintEvent &)
+FilmViewer::paint_panel ()
{
wxPaintDC dc (_panel);
- if (_clear_required) {
- dc.Clear ();
- _clear_required = false;
- }
-
- if (!_display_frame || !_film || !_out_size.width || !_out_size.height) {
+ if (!_frame || !_film || !_out_size.width || !_out_size.height) {
dc.Clear ();
return;
}
- 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 (_out_size.width, _out_size.height, _frame->data()[0], true);
+ wxBitmap frame_bitmap (frame);
+ dc.DrawBitmap (frame_bitmap, 0, 0);
+
+ 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);
}
- 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 (_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);
+ }
- 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 (_outline_content->GetValue ()) {
+ wxPen p (wxColour (255, 0, 0), 2);
+ dc.SetPen (p);
+ dc.SetBrush (*wxTRANSPARENT_BRUSH);
+ dc.DrawRectangle (_inter_position.x, _inter_position.y, _inter_size.width, _inter_size.height);
}
}
-
void
-FilmViewer::slider_moved (wxScrollEvent &)
+FilmViewer::slider_moved ()
{
- if (!_film || !_film->length()) {
+ if (!_film) {
return;
}
-
- if (_decoders.video->seek (_slider->GetValue() * _film->length().get() / (4096 * _film->frames_per_second()))) {
- return;
+
+ DCPTime t (_slider->GetValue() * _film->length().get() / 4096);
+ /* Ensure that we hit the end of the film at the end of the slider */
+ if (t >= _film->length ()) {
+ t = _film->length() - DCPTime::from_frames (1, _film->video_frame_rate ());
}
-
- get_frame ();
- _panel->Refresh ();
- _panel->Update ();
+ get (t, false);
}
void
{
_panel_size.width = ev.GetSize().GetWidth();
_panel_size.height = ev.GetSize().GetHeight();
- calculate_sizes ();
- update_from_raw ();
-}
-void
-FilmViewer::update_from_raw ()
-{
- if (!_raw_frame) {
- return;
- }
-
- raw_to_display ();
-
- _panel->Refresh ();
- _panel->Update ();
+ calculate_sizes ();
+ get (_position, _last_get_accurate);
}
-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 ()
{
- if (!_film) {
+ if (!_film || !_player) {
return;
}
- Format const * format = _film->format ();
+ Ratio const * container = _film->container ();
- 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;
+ 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;
+ _out_size.height = rint (_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;
+ _out_size.width = rint (_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;
- }
+ _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::play_clicked (wxCommandEvent &)
+FilmViewer::play_clicked ()
{
check_play_state ();
}
void
FilmViewer::check_play_state ()
{
- if (!_film) {
+ if (!_film || _film->video_frame_rate() == 0) {
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> image, bool, shared_ptr<Subtitle> sub)
-{
- _raw_frame = image;
- _raw_sub = sub;
-
- raw_to_display ();
-
- _got_frame = true;
-}
-
-void
-FilmViewer::get_frame ()
+FilmViewer::set_position_text ()
{
- /* 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()));
+ 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 (_position.seconds() * fps)) + 1));
+ _timecode->SetLabel (time_to_timecode (_position, fps));
}
void
_play_button->Enable (!a);
}
+void
+FilmViewer::back_clicked ()
+{
+ DCPTime p = _position - DCPTime::from_frames (1, _film->video_frame_rate ());
+ if (p < DCPTime ()) {
+ p = DCPTime ();
+ }
+
+ get (p, true);
+}
+
+void
+FilmViewer::forward_clicked ()
+{
+ get (_position + DCPTime::from_frames (1, _film->video_frame_rate ()), true);
+}
+
+void
+FilmViewer::player_changed (bool frequent)
+{
+ if (frequent) {
+ return;
+ }
+
+ calculate_sizes ();
+ get (_position, _last_get_accurate);
+}
+
+void
+FilmViewer::setup_sensitivity ()
+{
+ bool const c = _film && !_film->content().empty ();
+
+ _slider->Enable (c);
+ _back_button->Enable (c);
+ _forward_button->Enable (c);
+ _play_button->Enable (c);
+ _outline_content->Enable (c);
+ _frame_number->Enable (c);
+ _timecode->Enable (c);
+}
+
+void
+FilmViewer::film_changed (Film::Property p)
+{
+ if (p == Film::CONTENT) {
+ setup_sensitivity ();
+ }
+}