/*
- Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
#include "playhead_to_frame_dialog.h"
#include "wx_util.h"
#include "closed_captions_dialog.h"
+#include "gl_video_view.h"
+#include "simple_video_view.h"
#include "lib/film.h"
#include "lib/ratio.h"
#include "lib/util.h"
#include "lib/log.h"
#include "lib/config.h"
#include "lib/compose.hpp"
+#include "lib/dcpomatic_log.h"
extern "C" {
#include <libavutil/pixfmt.h>
}
using boost::weak_ptr;
using boost::optional;
using dcp::Size;
+using namespace dcpomatic;
static
int
}
FilmViewer::FilmViewer (wxWindow* p)
- : _panel (new wxPanel (p))
- , _coalesce_player_changes (false)
+ : _coalesce_player_changes (false)
, _audio (DCPOMATIC_RTAUDIO_API)
, _audio_channels (0)
, _audio_block_size (1024)
, _playing (false)
+ , _suspended (0)
, _latency_history_count (0)
, _dropped (0)
- , _closed_captions_dialog (new ClosedCaptionsDialog(p))
+ , _closed_captions_dialog (new ClosedCaptionsDialog(p, this))
, _outline_content (false)
, _eyes (EYES_LEFT)
, _pad_black (false)
#ifdef DCPOMATIC_VARIANT_SWAROOP
- , _in_watermark (false)
+ , _background_image (false)
#endif
+ , _state_timer ("viewer")
+ , _gets (0)
+ , _idle_get (false)
{
-#ifndef __WXOSX__
- _panel->SetDoubleBuffered (true);
-#endif
-
- _panel->SetBackgroundStyle (wxBG_STYLE_PAINT);
- _panel->SetBackgroundColour (*wxBLACK);
+ switch (Config::instance()->video_view_type()) {
+ case Config::VIDEO_VIEW_OPENGL:
+ _video_view = new GLVideoView (this, p);
+ break;
+ case Config::VIDEO_VIEW_SIMPLE:
+ _video_view = new SimpleVideoView (this, p);
+ break;
+ }
- _panel->Bind (wxEVT_PAINT, boost::bind (&FilmViewer::paint_panel, this));
- _panel->Bind (wxEVT_SIZE, boost::bind (&FilmViewer::panel_sized, this, _1));
- _timer.Bind (wxEVT_TIMER, boost::bind (&FilmViewer::timer, this));
+ _video_view->Sized.connect (boost::bind(&FilmViewer::video_view_sized, this));
set_film (shared_ptr<Film> ());
stop ();
}
+/** Ask for ::get() to be called next time we are idle */
+void
+FilmViewer::request_idle_get ()
+{
+ if (_idle_get) {
+ return;
+ }
+
+ _idle_get = true;
+ DCPOMATIC_ASSERT (signal_manager);
+ signal_manager->when_idle (boost::bind(&FilmViewer::idle_handler, this));
+}
+
+void
+FilmViewer::idle_handler ()
+{
+ if (!_idle_get) {
+ return;
+ }
+
+ if (get(true)) {
+ _idle_get = false;
+ } else {
+ /* get() could not complete quickly so we'll try again later */
+ signal_manager->when_idle (boost::bind(&FilmViewer::idle_handler, this));
+ }
+}
+
void
FilmViewer::set_film (shared_ptr<Film> film)
{
}
_film = film;
+ _video_position = DCPTime ();
+ _player_video.first.reset ();
+ _player_video.second = DCPTime ();
- FilmChanged ();
-
- _frame.reset ();
+ _video_view->set_image (shared_ptr<Image>());
_closed_captions_dialog->clear ();
if (!_film) {
_player.reset ();
recreate_butler ();
- _frame.reset ();
- refresh_panel ();
+ refresh_view ();
return;
}
if (_dcp_decode_reduction) {
_player->set_dcp_decode_reduction (_dcp_decode_reduction);
}
- } catch (bad_alloc) {
- error_dialog (_panel, _("There is not enough free memory to do that."));
+ } catch (bad_alloc &) {
+ error_dialog (_video_view->get(), _("There is not enough free memory to do that."));
_film.reset ();
return;
}
void
FilmViewer::recreate_butler ()
{
- bool const was_running = stop ();
+ suspend ();
_butler.reset ();
if (!_film) {
+ resume ();
return;
}
- AudioMapping map = AudioMapping (_film->audio_channels(), _audio_channels);
-
- if (_audio_channels != 2 || _film->audio_channels() < 3) {
- for (int i = 0; i < min (_film->audio_channels(), _audio_channels); ++i) {
- map.set (i, i, 1);
- }
- } else {
- /* Special case: stereo output, at least 3 channel input.
- Map so that Lt = L(-3dB) + Ls(-3dB) + C(-6dB) + Lfe(-10dB)
- Rt = R(-3dB) + Rs(-3dB) + C(-6dB) + Lfe(-10dB)
- */
- map.set (dcp::LEFT, 0, 1 / sqrt(2)); // L -> Lt
- map.set (dcp::RIGHT, 1, 1 / sqrt(2)); // R -> Rt
- map.set (dcp::CENTRE, 0, 1 / 2.0); // C -> Lt
- map.set (dcp::CENTRE, 1, 1 / 2.0); // C -> Rt
- map.set (dcp::LFE, 0, 1 / sqrt(10)); // Lfe -> Lt
- map.set (dcp::LFE, 1, 1 / sqrt(10)); // Lfe -> Rt
- map.set (dcp::LS, 0, 1 / sqrt(2)); // Ls -> Lt
- map.set (dcp::RS, 1, 1 / sqrt(2)); // Rs -> Rt
- }
+ _butler.reset(
+ new Butler(
+ _player,
+ Config::instance()->audio_mapping(_audio_channels),
+ _audio_channels,
+ bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24),
+ false,
+ true
+ )
+ );
- _butler.reset (new Butler(_player, map, _audio_channels, bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24), false, true));
if (!Config::instance()->sound() && !_audio.isStreamOpen()) {
_butler->disable_audio ();
}
- _closed_captions_dialog->set_butler (_butler);
+ _closed_captions_dialog->set_film_and_butler (_film, _butler);
- if (was_running) {
- start ();
- }
+ resume ();
}
void
-FilmViewer::refresh_panel ()
+FilmViewer::refresh_view ()
{
- _panel->Refresh ();
- _panel->Update ();
+ _state_timer.set ("update-view");
+ _video_view->update ();
+ _state_timer.unset ();
}
-void
-FilmViewer::get ()
+/** Try to get a frame from the butler and display it.
+ * @param lazy true to return false quickly if no video is available quickly (i.e. we are waiting for the butler).
+ * false to ask the butler to block until it has video (unless it is suspended).
+ * @return true on success, false if we did nothing because it would have taken too long.
+ */
+bool
+FilmViewer::get (bool lazy)
{
DCPOMATIC_ASSERT (_butler);
+ ++_gets;
do {
Butler::Error e;
- _player_video = _butler->get_video (&e);
+ _player_video = _butler->get_video (!lazy, &e);
if (!_player_video.first && e == Butler::AGAIN) {
- signal_manager->when_idle (boost::bind(&FilmViewer::get, this));
- return;
+ if (lazy) {
+ /* No video available; return saying we failed */
+ return false;
+ } else {
+ /* Player was suspended; come back later */
+ signal_manager->when_idle (boost::bind(&FilmViewer::get, this, false));
+ return false;
+ }
}
} while (
_player_video.first &&
_film->three_d() &&
- (_eyes != _player_video.first->eyes())
+ _eyes != _player_video.first->eyes() &&
+ _player_video.first->eyes() != EYES_BOTH
);
- _butler->rethrow ();
+ try {
+ _butler->rethrow ();
+ } catch (DecodeError& e) {
+ error_dialog (_video_view->get(), e.what());
+ }
display_player_video ();
+ PositionChanged ();
+
+ return true;
}
void
FilmViewer::display_player_video ()
{
if (!_player_video.first) {
- _frame.reset ();
- refresh_panel ();
+ _video_view->set_image (shared_ptr<Image>());
+ refresh_view ();
return;
}
- if (_playing && (time() - _player_video.second) > one_video_frame()) {
+ if (_playing && !_suspended && (time() - _player_video.second) > one_video_frame()) {
/* Too late; just drop this frame before we try to get its image (which will be the time-consuming
part if this frame is J2K).
*/
* image and convert it (from whatever the user has said it is) to RGB.
*/
- _frame = _player_video.first->image (bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24), false, true);
+ _state_timer.set ("get image");
+
+ _video_view->set_image (
+ _player_video.first->image(bind(&PlayerVideo::force, _1, AV_PIX_FMT_RGB24), false, true)
+ );
+ _state_timer.set ("ImageChanged");
ImageChanged (_player_video.first);
+ _state_timer.unset ();
_video_position = _player_video.second;
_inter_position = _player_video.first->inter_position ();
_inter_size = _player_video.first->inter_size ();
- refresh_panel ();
+ refresh_view ();
_closed_captions_dialog->update (time());
}
-void
-FilmViewer::timer ()
-{
- if (!_film || !_playing) {
- return;
- }
-
- get ();
- PositionChanged ();
- DCPTime const next = _video_position + one_video_frame();
-
- if (next >= _film->length()) {
- stop ();
- }
-
- _timer.Start (max ((next.seconds() - time().seconds()) * 1000, 1.0), wxTIMER_ONE_SHOT);
-
- if (_butler) {
- _butler->rethrow ();
- }
-}
-
-bool
-FilmViewer::maybe_draw_background_image (wxPaintDC& dc)
-{
-#ifdef DCPOMATIC_VARIANT_SWAROOP
- optional<boost::filesystem::path> bg = Config::instance()->player_background_image();
- if (bg) {
- wxImage image (std_to_wx(bg->string()));
- wxBitmap bitmap (image);
- dc.DrawBitmap (bitmap, max(0, (_panel_size.width - image.GetSize().GetWidth()) / 2), max(0, (_panel_size.height - image.GetSize().GetHeight()) / 2));
- return true;
- }
-#endif
-
- return false;
-}
-
-void
-FilmViewer::paint_panel ()
-{
- wxPaintDC dc (_panel);
-
- if (!_frame || !_film || !_out_size.width || !_out_size.height || _out_size != _frame->size()) {
- dc.Clear ();
- maybe_draw_background_image (dc);
- return;
- }
-
- if (_video_position == DCPTime() && maybe_draw_background_image (dc)) {
- return;
- }
-
- wxImage frame (_out_size.width, _out_size.height, _frame->data()[0], true);
- wxBitmap frame_bitmap (frame);
- dc.DrawBitmap (frame_bitmap, 0, max(0, (_panel_size.height - _out_size.height) / 2));
-
-#ifdef DCPOMATIC_VARIANT_SWAROOP
- DCPTime const period = DCPTime::from_seconds(Config::instance()->player_watermark_period() * 60);
- int64_t n = _video_position.get() / period.get();
- DCPTime from(n * period.get());
- DCPTime to = from + DCPTime::from_seconds(Config::instance()->player_watermark_duration() / 1000.0);
- if (from <= _video_position && _video_position <= to) {
- if (!_in_watermark) {
- _in_watermark = true;
- _watermark_x = rand() % _panel_size.width;
- _watermark_y = rand() % _panel_size.height;
- }
- dc.SetTextForeground(*wxWHITE);
- string wm = Config::instance()->player_watermark_theatre();
- boost::posix_time::ptime t = boost::posix_time::second_clock::local_time();
- wm += "\n" + boost::posix_time::to_iso_extended_string(t);
- dc.DrawText(std_to_wx(wm), _watermark_x, _watermark_y);
- } else {
- _in_watermark = false;
- }
-#endif
-
- if (_out_size.width < _panel_size.width) {
- /* XXX: these colours are right for GNOME; may need adjusting for other OS */
- wxPen p (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
- wxBrush b (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
- 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 (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
- wxBrush b (_pad_black ? wxColour(0, 0, 0) : wxColour(240, 240, 240));
- dc.SetPen (p);
- dc.SetBrush (b);
- int const gap = (_panel_size.height - _out_size.height) / 2;
- dc.DrawRectangle (0, 0, _panel_size.width, gap);
- dc.DrawRectangle (0, gap + _out_size.height + 1, _panel_size.width, gap);
- }
-
- if (_outline_content) {
- wxPen p (wxColour (255, 0, 0), 2);
- dc.SetPen (p);
- dc.SetBrush (*wxTRANSPARENT_BRUSH);
- dc.DrawRectangle (_inter_position.x, _inter_position.y + (_panel_size.height - _out_size.height) / 2, _inter_size.width, _inter_size.height);
- }
-}
-
void
FilmViewer::set_outline_content (bool o)
{
_outline_content = o;
- refresh_panel ();
+ refresh_view ();
}
void
}
void
-FilmViewer::panel_sized (wxSizeEvent& ev)
+FilmViewer::video_view_sized ()
{
- _panel_size.width = ev.GetSize().GetWidth();
- _panel_size.height = ev.GetSize().GetHeight();
-
calculate_sizes ();
if (!quick_refresh()) {
slow_refresh ();
Ratio const * container = _film->container ();
- float const panel_ratio = _panel_size.ratio ();
+ float const view_ratio = float(_video_view->get()->GetSize().x) / _video_view->get()->GetSize().y;
float const film_ratio = container ? container->ratio () : 1.78;
- if (panel_ratio < film_ratio) {
+ if (view_ratio < film_ratio) {
/* panel is less widscreen than the film; clamp width */
- _out_size.width = _panel_size.width;
+ _out_size.width = _video_view->get()->GetSize().x;
_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.height = _video_view->get()->GetSize().y;
_out_size.width = lrintf (_out_size.height * film_ratio);
}
_player->set_video_container_size (_out_size);
}
+void
+FilmViewer::suspend ()
+{
+ ++_suspended;
+ if (_audio.isStreamRunning()) {
+ _audio.abortStream();
+ }
+}
+
+void
+FilmViewer::resume ()
+{
+ --_suspended;
+ if (_playing && !_suspended) {
+ if (_audio.isStreamOpen()) {
+ _audio.setStreamTime (_video_position.seconds());
+ _audio.startStream ();
+ }
+ timer ();
+ }
+}
+
void
FilmViewer::start ()
{
_playing = true;
_dropped = 0;
- timer ();
+ _video_view->start ();
Started (position());
}
t = _film->length ();
}
- bool const was_running = stop ();
+ suspend ();
_closed_captions_dialog->clear ();
_butler->seek (t, accurate);
- get ();
- if (was_running) {
- start ();
+ if (!_playing) {
+ request_idle_get ();
+ } else {
+ /* Make sure we get a frame so that _video_position is set up before we resume */
+ while (!get(true)) {}
}
- PositionChanged ();
- Seeked (position());
+ resume ();
}
void
{
#ifdef DCPOMATIC_VARIANT_SWAROOP
if (p == Config::PLAYER_BACKGROUND_IMAGE) {
- refresh_panel ();
+ refresh_view ();
return;
}
#endif
+ if (p == Config::AUDIO_MAPPING) {
+ recreate_butler ();
+ return;
+ }
+
if (p != Config::SOUND && p != Config::SOUND_OUTPUT) {
return;
}
} catch (RtAudioError& e) {
#endif
error_dialog (
- _panel,
+ _video_view->get(),
_("Could not set up audio output. There will be no audio during the preview."), std_to_wx(e.what())
);
}
DCPTime
FilmViewer::one_video_frame () const
{
- return DCPTime::from_frames (1, _film->video_frame_rate());
+ return DCPTime::from_frames (1, _film ? _film->video_frame_rate() : 24);
}
/** Open a dialog box showing our film's closed captions */