/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2015 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
#include "lib/log.h"
#include "film_viewer.h"
#include "wx_util.h"
+extern "C" {
+#include <libavutil/pixfmt.h>
+}
#include <dcp/exceptions.h>
#include <wx/tglbtn.h>
#include <iostream>
using boost::shared_ptr;
using boost::dynamic_pointer_cast;
using boost::weak_ptr;
+using boost::optional;
using dcp::Size;
FilmViewer::FilmViewer (wxWindow* p)
, _frame_number (new wxStaticText (this, wxID_ANY, wxT("")))
, _timecode (new wxStaticText (this, wxID_ANY, wxT("")))
, _play_button (new wxToggleButton (this, wxID_ANY, _("Play")))
+ , _coalesce_player_changes (false)
+ , _pending_player_change (false)
, _last_get_accurate (true)
{
#ifndef __WXOSX__
_panel->SetDoubleBuffered (true);
#endif
-
+
_panel->SetBackgroundStyle (wxBG_STYLE_PAINT);
-
+
_v_sizer = new wxBoxSizer (wxVERTICAL);
SetSizer (_v_sizer);
_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)
+ bind (&FilmViewer::active_jobs_changed, this, _2)
);
setup_sensitivity ();
}
void
-FilmViewer::set_film (shared_ptr<Film> f)
+FilmViewer::set_film (shared_ptr<Film> film)
{
- if (_film == f) {
+ if (_film == film) {
return;
}
- _film = f;
+ _film = film;
_frame.reset ();
-
- _slider->SetValue (0);
- set_position_text ();
-
+
+ update_position_slider ();
+ update_position_label ();
+
if (!_film) {
return;
}
try {
- _player = f->make_player ();
+ _player.reset (new Player (_film, _film->playlist ()));
} 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
+ /* Always burn in subtitles, even if content is set not to, otherwise we won't see them
in the preview.
*/
- _player->set_burn_subtitles (true);
-
+ _player->set_always_burn_subtitles (true);
+ _player->set_ignore_audio ();
+ _player->set_play_referenced ();
+
_film_connection = _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1));
_player_connection = _player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1));
calculate_sizes ();
- get (_position, _last_get_accurate);
+ refresh ();
setup_sensitivity ();
}
} catch (exception& e) {
error_dialog (this, wxString::Format (_("Could not get video for view (%s)"), std_to_wx(e.what()).data()));
}
-
+
if (!pvf.empty ()) {
try {
- _frame = pvf.front()->image (PIX_FMT_RGB24, true, boost::bind (&Log::dcp_log, _film->log().get(), _1, _2));
+ /* XXX: this could now give us a 48-bit image, which is a bit wasteful,
+ or a XYZ image, which the code below will currently rely on FFmpeg
+ to colourspace-convert.
+ */
+ _frame = pvf.front()->image (boost::bind (&Log::dcp_log, _film->log().get(), _1, _2));
+ ImageChanged (pvf.front ());
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);
+
+ _frame = _frame->scale (_frame->size(), yuv_to_rgb, AV_PIX_FMT_RGB24, false);
_position = pvf.front()->time ();
_inter_position = pvf.front()->inter_position ();
_inter_size = pvf.front()->inter_size ();
_position = p;
}
- set_position_text ();
refresh_panel ();
_last_get_accurate = accurate;
void
FilmViewer::timer ()
{
- get (_position + DCPTime::from_frames (1, _film->video_frame_rate ()), true);
-
- DCPTime const len = _film->length ();
+ DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate ());
- if (len.get ()) {
- int const new_slider_position = 4096 * _position.get() / len.get();
- if (new_slider_position != _slider->GetValue()) {
- _slider->SetValue (new_slider_position);
- }
+ if ((_position + frame) >= _film->length ()) {
+ _play_button->SetValue (false);
+ check_play_state ();
+ } else {
+ get (_position + frame, true);
}
-}
+ update_position_label ();
+ update_position_slider ();
+}
void
FilmViewer::paint_panel ()
t = _film->length() - DCPTime::from_frames (1, _film->video_frame_rate ());
}
get (t, false);
+ update_position_label ();
}
void
_panel_size.height = ev.GetSize().GetHeight();
calculate_sizes ();
- get (_position, _last_get_accurate);
+ refresh ();
+ update_position_label ();
+ update_position_slider ();
}
void
}
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 = rint (_out_size.width / film_ratio);
+ _out_size.height = lrintf (_out_size.width / film_ratio);
} else {
/* panel is more widescreen than the film; clamp height */
_out_size.height = _panel_size.height;
- _out_size.width = rint (_out_size.height * film_ratio);
+ _out_size.width = lrintf (_out_size.height * film_ratio);
}
/* Catch silly values */
if (!_film || _film->video_frame_rate() == 0) {
return;
}
-
+
if (_play_button->GetValue()) {
_timer.Start (1000 / _film->video_frame_rate());
} else {
}
void
-FilmViewer::set_position_text ()
+FilmViewer::update_position_slider ()
+{
+ if (!_film) {
+ _slider->SetValue (0);
+ return;
+ }
+
+ 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::update_position_label ()
{
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));
+ _frame_number->SetLabel (wxString::Format (wxT("%ld"), lrint (_position.seconds() * fps) + 1));
_timecode->SetLabel (time_to_timecode (_position, fps));
}
void
-FilmViewer::active_jobs_changed (bool a)
+FilmViewer::active_jobs_changed (optional<string> j)
{
- 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);
+ /* examine content is the only job which stops the viewer working */
+ bool const a = !j || *j != "examine_content";
+ _slider->Enable (a);
+ _play_button->Enable (a);
}
void
}
get (p, true);
+ update_position_label ();
+ update_position_slider ();
}
void
FilmViewer::forward_clicked ()
{
- get (_position + DCPTime::from_frames (1, _film->video_frame_rate ()), true);
+ DCPTime p = _position + DCPTime::from_frames (1, _film->video_frame_rate ());
+ if (p >= _film->length ()) {
+ p = _position;
+ }
+
+ get (p, true);
+ update_position_label ();
+ update_position_slider ();
}
void
return;
}
+ if (_coalesce_player_changes) {
+ _pending_player_change = true;
+ return;
+ }
+
calculate_sizes ();
- get (_position, _last_get_accurate);
+ refresh ();
+ update_position_label ();
+ update_position_slider ();
}
void
FilmViewer::setup_sensitivity ()
{
bool const c = _film && !_film->content().empty ();
-
+
_slider->Enable (c);
_back_button->Enable (c);
_forward_button->Enable (c);
setup_sensitivity ();
}
}
+
+/** Re-get the current frame */
+void
+FilmViewer::refresh ()
+{
+ get (_position, _last_get_accurate);
+}
+
+void
+FilmViewer::set_position (DCPTime p)
+{
+ _position = p;
+ get (_position, true);
+ update_position_label ();
+ update_position_slider ();
+}
+
+void
+FilmViewer::set_coalesce_player_changes (bool c)
+{
+ _coalesce_player_changes = c;
+
+ if (c) {
+ _pending_player_change = false;
+ } else {
+ if (_pending_player_change) {
+ player_changed (false);
+ }
+ }
+}