2 Copyright (C) 2019 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 #include "simple_video_view.h"
22 #include "film_viewer.h"
24 #include "closed_captions_dialog.h"
25 #include "lib/image.h"
26 #include "lib/dcpomatic_log.h"
27 #include "lib/butler.h"
30 #include <boost/bind.hpp>
34 using boost::optional;
35 using boost::shared_ptr;
36 using namespace dcpomatic;
38 SimpleVideoView::SimpleVideoView (FilmViewer* viewer, wxWindow* parent)
41 _panel = new wxPanel (parent);
44 _panel->SetDoubleBuffered (true);
47 _panel->SetBackgroundStyle (wxBG_STYLE_PAINT);
48 _panel->SetBackgroundColour (*wxBLACK);
50 _panel->Bind (wxEVT_PAINT, boost::bind (&SimpleVideoView::paint, this));
51 _panel->Bind (wxEVT_SIZE, boost::bind(boost::ref(Sized)));
53 _timer.Bind (wxEVT_TIMER, boost::bind(&SimpleVideoView::timer, this));
57 SimpleVideoView::paint ()
59 _state_timer.set("paint-panel");
60 wxPaintDC dc (_panel);
62 dcp::Size const out_size = _viewer->out_size ();
63 wxSize const panel_size = _panel->GetSize ();
65 #ifdef DCPOMATIC_VARIANT_SWAROOP
66 if (_viewer->background_image()) {
68 optional<boost::filesystem::path> bg = Config::instance()->player_background_image();
70 wxImage image (std_to_wx(bg->string()));
71 wxBitmap bitmap (image);
72 dc.DrawBitmap (bitmap, max(0, (panel_size.GetWidth() - image.GetSize().GetWidth()) / 2), max(0, (panel_size.GetHeight() - image.GetSize().GetHeight()) / 2));
78 if (!out_size.width || !out_size.height || !_image || out_size != _image->size()) {
82 wxImage frame (out_size.width, out_size.height, _image->data()[0], true);
83 wxBitmap frame_bitmap (frame);
84 dc.DrawBitmap (frame_bitmap, 0, max(0, (panel_size.GetHeight() - out_size.height) / 2));
86 #ifdef DCPOMATIC_VARIANT_SWAROOP
87 DCPTime const period = DCPTime::from_seconds(Config::instance()->player_watermark_period() * 60);
88 int64_t n = position().get() / period.get();
89 DCPTime from(n * period.get());
90 DCPTime to = from + DCPTime::from_seconds(Config::instance()->player_watermark_duration() / 1000.0);
91 if (from <= position() && position() <= to) {
94 _watermark_x = rand() % panel_size.GetWidth();
95 _watermark_y = rand() % panel_size.GetHeight();
97 dc.SetTextForeground(*wxWHITE);
98 string wm = Config::instance()->player_watermark_theatre();
99 boost::posix_time::ptime t = boost::posix_time::second_clock::local_time();
100 wm += "\n" + boost::posix_time::to_iso_extended_string(t);
101 dc.DrawText(std_to_wx(wm), _watermark_x, _watermark_y);
103 _in_watermark = false;
108 if (out_size.width < panel_size.GetWidth()) {
109 /* XXX: these colours are right for GNOME; may need adjusting for other OS */
110 wxPen p (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
111 wxBrush b (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
114 dc.DrawRectangle (out_size.width, 0, panel_size.GetWidth() - out_size.width, panel_size.GetHeight());
117 if (out_size.height < panel_size.GetHeight()) {
118 wxPen p (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
119 wxBrush b (_viewer->pad_black() ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
122 int const gap = (panel_size.GetHeight() - out_size.height) / 2;
123 dc.DrawRectangle (0, 0, panel_size.GetWidth(), gap);
124 dc.DrawRectangle (0, gap + out_size.height + 1, panel_size.GetWidth(), gap + 1);
127 if (_viewer->outline_content()) {
128 wxPen p (wxColour (255, 0, 0), 2);
130 dc.SetBrush (*wxTRANSPARENT_BRUSH);
131 dc.DrawRectangle (_inter_position.x, _inter_position.y + (panel_size.GetHeight() - out_size.height) / 2, _inter_size.width, _inter_size.height);
133 _state_timer.unset();
137 SimpleVideoView::refresh_panel ()
139 _state_timer.set ("refresh-panel");
142 _state_timer.unset ();
146 SimpleVideoView::timer ()
148 if (!_viewer->playing()) {
152 display_next_frame (false);
153 DCPTime const next = position() + _viewer->one_video_frame();
155 if (next >= length()) {
156 _viewer->finished ();
160 LOG_DEBUG_PLAYER("%1 -> %2; delay %3", next.seconds(), _viewer->time().seconds(), max((next.seconds() - _viewer->time().seconds()) * 1000, 1.0));
161 _timer.Start (time_until_next_frame().get_value_or(0), wxTIMER_ONE_SHOT);
163 if (_viewer->butler()) {
164 _viewer->butler()->rethrow ();
169 SimpleVideoView::start ()
175 /** Try to get a frame from the butler and display it.
176 * @param non_blocking true to return false quickly if no video is available quickly (i.e. we are waiting for the butler).
177 * false to ask the butler to block until it has video (unless it is suspended).
178 * @return true on success, false if we did nothing because it would have taken too long.
181 SimpleVideoView::display_next_frame (bool non_blocking)
183 bool r = get_next_frame (non_blocking);
186 /* No video available; return saying we failed */
189 /* Player was suspended; come back later */
190 signal_manager->when_idle (boost::bind(&SimpleVideoView::display_next_frame, this, false));
198 _viewer->butler()->rethrow ();
199 } catch (DecodeError& e) {
200 error_dialog (get(), e.what());
207 SimpleVideoView::update ()
209 if (!player_video().first) {
210 set_image (shared_ptr<Image>());
215 if (_viewer->playing() && (_viewer->time() - player_video().second) > one_video_frame()) {
216 /* Too late; just drop this frame before we try to get its image (which will be the time-consuming
217 part if this frame is J2K).
223 /* In an ideal world, what we would do here is:
225 * 1. convert to XYZ exactly as we do in the DCP creation path.
226 * 2. convert back to RGB for the preview display, compensating
227 * for the monitor etc. etc.
229 * but this is inefficient if the source is RGB. Since we don't
230 * (currently) care too much about the precise accuracy of the preview's
231 * colour mapping (and we care more about its speed) we try to short-
232 * circuit this "ideal" situation in some cases.
234 * The content's specified colour conversion indicates the colourspace
235 * which the content is in (according to the user).
237 * PlayerVideo::image (bound to PlayerVideo::force) will take the source
238 * image and convert it (from whatever the user has said it is) to RGB.
241 _state_timer.set ("get image");
244 player_video().first->image(bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24), false, true)
247 _state_timer.set ("ImageChanged");
248 _viewer->ImageChanged (player_video().first);
249 _state_timer.unset ();
251 _inter_position = player_video().first->inter_position ();
252 _inter_size = player_video().first->inter_size ();