/*
- 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
#include "lib/filter.h"
#include "lib/player.h"
#include "lib/video_content.h"
-#include "lib/ffmpeg_content.h"
-#include "lib/imagemagick_content.h"
+#include "lib/video_decoder.h"
+#include "lib/timer.h"
#include "film_viewer.h"
#include "wx_util.h"
-#include "video_decoder.h"
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 boost::shared_ptr;
using boost::dynamic_pointer_cast;
using boost::weak_ptr;
-using libdcp::Size;
+using dcp::Size;
FilmViewer::FilmViewer (shared_ptr<Film> f, wxWindow* p)
: wxPanel (p)
, _slider (new wxSlider (this, wxID_ANY, 0, 0, 4096))
, _back_button (new wxButton (this, wxID_ANY, wxT("<")))
, _forward_button (new wxButton (this, wxID_ANY, wxT(">")))
- , _frame (new wxStaticText (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")))
- , _display_frame_x (0)
, _got_frame (false)
{
#ifndef __WXOSX__
_panel->SetDoubleBuffered (true);
#endif
-#if wxMAJOR_VERSION == 2 && wxMINOR_VERSION >= 9
_panel->SetBackgroundStyle (wxBG_STYLE_PAINT);
-#endif
_v_sizer = new wxBoxSizer (wxVERTICAL);
SetSizer (_v_sizer);
wxBoxSizer* h_sizer = new wxBoxSizer (wxHORIZONTAL);
wxBoxSizer* time_sizer = new wxBoxSizer (wxVERTICAL);
- time_sizer->Add (_frame, 0, wxEXPAND);
+ time_sizer->Add (_frame_number, 0, wxEXPAND);
time_sizer->Add (_timecode, 0, wxEXPAND);
h_sizer->Add (_back_button, 0, wxALL, 2);
_v_sizer->Add (h_sizer, 0, wxEXPAND | wxALL, 6);
- _frame->SetMinSize (wxSize (84, -1));
+ _frame_number->SetMinSize (wxSize (84, -1));
_back_button->SetMinSize (wxSize (32, -1));
_forward_button->SetMinSize (wxSize (32, -1));
- _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);
- _back_button->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmViewer::back_clicked), 0, this);
- _forward_button->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmViewer::forward_clicked), 0, this);
+ _panel->Bind (wxEVT_PAINT, boost::bind (&FilmViewer::paint_panel, this));
+ _panel->Bind (wxEVT_SIZE, boost::bind (&FilmViewer::panel_sized, this, _1));
+ _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 (f);
);
}
-void
-FilmViewer::film_changed (Film::Property p)
-{
- switch (p) {
- case Film::CONTAINER:
- calculate_sizes ();
- update_from_raw ();
- break;
- case Film::CONTENT:
- {
- calculate_sizes ();
- wxScrollEvent ev;
- slider_moved (ev);
- break;
- }
- case Film::WITH_SUBTITLES:
- case Film::SUBTITLE_OFFSET:
- case Film::SUBTITLE_SCALE:
- raw_to_display ();
- _panel->Refresh ();
- _panel->Update ();
- break;
- case Film::SCALER:
- update_from_decoder ();
- break;
- default:
- break;
- }
-}
-
void
FilmViewer::set_film (shared_ptr<Film> f)
{
_film = f;
- _raw_frame.reset ();
- _display_frame.reset ();
- _panel->Refresh ();
- _panel->Update ();
-
+ _frame.reset ();
+
+ _slider->SetValue (0);
+ set_position_text (DCPTime ());
+
if (!_film) {
return;
}
- _player = f->player ();
- _player->disable_audio ();
- /* Don't disable subtitles here as we may need them, and it's nice to be able to turn them
- on and off without needing obtain a new Player.
- */
-
- _player->Video.connect (bind (&FilmViewer::process_video, this, _1, _2, _3));
+ try {
+ _player = f->make_player ();
+ } catch (bad_alloc) {
+ error_dialog (this, _("There is not enough free memory to do that."));
+ _film.reset ();
+ return;
+ }
- _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1));
- _film->ContentChanged.connect (boost::bind (&FilmViewer::film_content_changed, this, _1, _2));
-
- film_changed (Film::CONTENT);
- film_changed (Film::CONTAINER);
- film_changed (Film::WITH_SUBTITLES);
- film_changed (Film::SUBTITLE_OFFSET);
- film_changed (Film::SUBTITLE_SCALE);
+ _player->disable_audio ();
+ _player->set_approximate_size ();
+ _player->Video.connect (boost::bind (&FilmViewer::process_video, this, _1, _2, _5));
+ _player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1));
+
+ calculate_sizes ();
+ fetch_next_frame ();
}
void
-FilmViewer::update_from_decoder ()
+FilmViewer::fetch_current_frame_again ()
{
if (!_player) {
return;
}
- _player->seek (_player->position ());
- get_frame ();
+ /* We could do this with a seek and a fetch_next_frame, but this is
+ a shortcut to make it quicker.
+ */
+
+ _got_frame = false;
+ if (!_player->repeat_last_video ()) {
+ fetch_next_frame ();
+ }
+
_panel->Refresh ();
_panel->Update ();
}
void
-FilmViewer::timer (wxTimerEvent &)
+FilmViewer::timer ()
{
if (!_player) {
return;
}
- get_frame ();
+ fetch_next_frame ();
- if (_film->length()) {
- int const new_slider_position = 4096 * _player->position() / _film->length();
+ DCPTime const len = _film->length ();
+
+ if (len.get ()) {
+ int const new_slider_position = 4096 * _player->video_position().get() / len.get();
if (new_slider_position != _slider->GetValue()) {
_slider->SetValue (new_slider_position);
}
}
-
- _panel->Refresh ();
- _panel->Update ();
}
void
-FilmViewer::paint_panel (wxPaintEvent &)
+FilmViewer::paint_panel ()
{
wxPaintDC dc (_panel);
- 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, _film_size.height);
- }
-
- wxImage frame (_film_size.width, _film_size.height, _display_frame->data()[0], true);
+ wxImage frame (_out_size.width, _out_size.height, _frame->data()[0], true);
wxBitmap frame_bitmap (frame);
- dc.DrawBitmap (frame_bitmap, _display_frame_x, 0);
+ dc.DrawBitmap (frame_bitmap, 0, 0);
if (_out_size.width < _panel_size.width) {
wxPen p (GetBackgroundColour ());
void
-FilmViewer::slider_moved (wxScrollEvent &)
+FilmViewer::slider_moved ()
{
- cout << "slider " << _slider->GetValue() << " " << _film->length() << "\n";
-
if (_film && _player) {
- _player->seek (_slider->GetValue() * _film->length() / 4096);
+ try {
+ _player->seek (DCPTime (_film->length().get() * _slider->GetValue() / 4096), false);
+ fetch_next_frame ();
+ } catch (OpenFileError& e) {
+ /* There was a problem opening a content file; we'll let this slide as it
+ probably means a missing content file, which we're already taking care of.
+ */
+ }
}
-
- get_frame ();
- _panel->Refresh ();
- _panel->Update ();
}
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 ();
+ fetch_current_frame_again ();
}
-void
-FilmViewer::raw_to_display ()
-{
- if (!_raw_frame || _out_size.width < 64 || _out_size.height < 64 || !_film) {
- return;
- }
-
- /* Get a compacted image as we have to feed it to wxWidgets */
- _display_frame = _raw_frame->scale_and_convert_to_rgb (_film_size, _film->scaler(), false);
-}
-
void
FilmViewer::calculate_sizes ()
{
Ratio const * container = _film->container ();
- float const panel_ratio = static_cast<float> (_panel_size.width) / _panel_size.height;
+ float const panel_ratio = _panel_size.ratio ();
float const film_ratio = container ? container->ratio () : 1.78;
if (panel_ratio < film_ratio) {
_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;
-// }
+ /* Catch silly values */
+ _out_size.width = max (64, _out_size.width);
+ _out_size.height = max (64, _out_size.height);
- _film_size = _out_size;
- _film_size.width -= _display_frame_x * 2;
+ /* The player will round its image down to the nearest 4 pixels
+ to speed up its scale, so do similar here to avoid black borders
+ around things. This is a bit of a hack.
+ */
+ _out_size.width &= ~3;
+ _out_size.height &= ~3;
- /* Catch silly values */
- if (_out_size.width < 64) {
- _out_size.width = 64;
- }
+ _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 || _film->dcp_video_frame_rate() == 0) {
+ if (!_film || _film->video_frame_rate() == 0) {
return;
}
if (_play_button->GetValue()) {
- _timer.Start (1000 / _film->dcp_video_frame_rate());
+ _timer.Start (1000 / _film->video_frame_rate());
} else {
_timer.Stop ();
}
}
void
-FilmViewer::process_video (shared_ptr<const Image> image, bool, Time t)
+FilmViewer::process_video (shared_ptr<PlayerImage> image, Eyes eyes, DCPTime t)
{
- _raw_frame = image;
-
- raw_to_display ();
+ if (eyes == EYES_RIGHT) {
+ return;
+ }
+ /* Going via BGRA here makes the scaler faster then using RGB24 directly (about
+ twice on x86 Linux).
+ */
+ shared_ptr<Image> im = image->image (PIX_FMT_BGRA, true);
+ _frame = im->scale (im->size(), Scaler::from_id ("fastbilinear"), PIX_FMT_RGB24, false);
_got_frame = true;
- double const fps = _film->dcp_video_frame_rate ();
- /* Count frame number from 1 ... not sure if this is the best idea */
- _frame->SetLabel (wxString::Format (wxT("%d"), int (rint (t * fps / TIME_HZ)) + 1));
+ set_position_text (t);
+}
- double w = static_cast<double>(t) / TIME_HZ;
+void
+FilmViewer::set_position_text (DCPTime t)
+{
+ 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 (t.seconds() * fps)) + 1));
+
+ double w = t.seconds ();
int const h = (w / 3600);
w -= h * 3600;
int const m = (w / 60);
int const s = floor (w);
w -= s;
int const f = rint (w * fps);
- _timecode->SetLabel (wxString::Format (wxT("%02d:%02d:%02d:%02d"), h, m, s, f));
+ _timecode->SetLabel (wxString::Format (wxT("%02d:%02d:%02d.%02d"), h, m, s, f));
}
-/** Get a new _raw_frame from the decoder and then do
- * raw_to_display ().
- */
+/** Ask the player to emit its next frame, then update our display */
void
-FilmViewer::get_frame ()
+FilmViewer::fetch_next_frame ()
{
- /* Clear our raw frame in case we don't get a new one */
- _raw_frame.reset ();
+ /* Clear our frame in case we don't get a new one */
+ _frame.reset ();
if (!_player) {
- _display_frame.reset ();
return;
}
+ _got_frame = false;
+
try {
- _got_frame = false;
- while (!_got_frame) {
- if (_player->pass ()) {
- /* We didn't get a frame before the decoder gave up,
- so clear our display frame.
- */
- _display_frame.reset ();
- break;
- }
- }
+ while (!_got_frame && !_player->pass ()) {}
} catch (DecodeError& e) {
_play_button->SetValue (false);
check_play_state ();
error_dialog (this, wxString::Format (_("Could not decode video for view (%s)"), std_to_wx(e.what()).data()));
+ } catch (OpenFileError& e) {
+ /* There was a problem opening a content file; we'll let this slide as it
+ probably means a missing content file, which we're already taking care of.
+ */
}
+
+ _panel->Refresh ();
+ _panel->Update ();
}
void
}
void
-FilmViewer::film_content_changed (weak_ptr<Content>, int p)
+FilmViewer::back_clicked ()
{
- if (p == ContentProperty::LENGTH) {
- /* Force an update to our frame */
- wxScrollEvent ev;
- slider_moved (ev);
- } else if (p == VideoContentProperty::VIDEO_CROP) {
- update_from_decoder ();
- }
+ if (!_player) {
+ return;
+ }
+
+ /* Player::video_position is the time after the last frame that we received.
+ We want to see the one before it, so we need to go back 2.
+ */
+
+ DCPTime p = _player->video_position() - DCPTime::from_frames (2, _film->video_frame_rate ());
+ if (p < DCPTime ()) {
+ p = DCPTime ();
+ }
+
+ try {
+ _player->seek (p, true);
+ fetch_next_frame ();
+ } catch (OpenFileError& e) {
+ /* There was a problem opening a content file; we'll let this slide as it
+ probably means a missing content file, which we're already taking care of.
+ */
+ }
}
void
-FilmViewer::back_clicked (wxCommandEvent &)
+FilmViewer::forward_clicked ()
{
if (!_player) {
return;
}
-
- _player->seek_back ();
- get_frame ();
- _panel->Refresh ();
- _panel->Update ();
+
+ fetch_next_frame ();
}
void
-FilmViewer::forward_clicked (wxCommandEvent &)
+FilmViewer::player_changed (bool frequent)
{
- if (!_player) {
+ if (frequent) {
return;
}
- _player->seek_forward ();
- get_frame ();
- _panel->Refresh ();
- _panel->Update ();
+ calculate_sizes ();
+ fetch_current_frame_again ();
}
projects / dcpomatic.git / blobdiff