/*
- 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/examine_content_job.h"
#include "lib/filter.h"
#include "lib/player.h"
+#include "lib/player_video_frame.h"
#include "lib/video_content.h"
#include "lib/video_decoder.h"
+#include "lib/timer.h"
#include "film_viewer.h"
#include "wx_util.h"
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)
, _frame_number (new wxStaticText (this, wxID_ANY, wxT("")))
, _timecode (new wxStaticText (this, wxID_ANY, wxT("")))
, _play_button (new wxToggleButton (this, wxID_ANY, _("Play")))
- , _got_frame (false)
+ , _last_get_accurate (true)
{
#ifndef __WXOSX__
_panel->SetDoubleBuffered (true);
_frame.reset ();
_slider->SetValue (0);
- set_position_text (0);
+ set_position_text ();
if (!_film) {
return;
}
- _player = f->make_player ();
- _player->disable_audio ();
- _player->Video.connect (boost::bind (&FilmViewer::process_video, this, _1, _2, _5));
+ try {
+ _player = f->make_player ();
+ } catch (bad_alloc) {
+ error_dialog (this, _("There is not enough free memory to do that."));
+ _film.reset ();
+ return;
+ }
+
+ _player->set_approximate_size ();
_player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1));
calculate_sizes ();
- fetch_next_frame ();
+ get (_position, _last_get_accurate);
}
void
-FilmViewer::fetch_current_frame_again ()
+FilmViewer::get (DCPTime p, bool accurate)
{
if (!_player) {
return;
}
- /* 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 ();
+ list<shared_ptr<PlayerVideoFrame> > pvf = _player->get_video (p, accurate);
+ if (!pvf.empty ()) {
+ _frame = pvf.front()->image ();
+ _frame = _frame->scale (_frame->size(), Scaler::from_id ("fastbilinear"), PIX_FMT_RGB24, false);
+ } else {
+ _frame.reset ();
}
+
+ _position = p;
+ set_position_text ();
_panel->Refresh ();
_panel->Update ();
+
+ _last_get_accurate = accurate;
}
void
FilmViewer::timer ()
{
- if (!_player) {
- return;
- }
-
- fetch_next_frame ();
+ get (_position + DCPTime::from_frames (1, _film->video_frame_rate ()), true);
- Time const len = _film->length ();
+ DCPTime const len = _film->length ();
- if (len) {
- int const new_slider_position = 4096 * _player->video_position() / len;
+ if (len.get ()) {
+ int const new_slider_position = 4096 * _position.get() / len.get();
if (new_slider_position != _slider->GetValue()) {
_slider->SetValue (new_slider_position);
}
return;
}
- shared_ptr<Image> packed_frame (new Image (_frame, false));
-
- wxImage frame (_out_size.width, _out_size.height, packed_frame->data()[0], true);
+ wxImage frame (_out_size.width, _out_size.height, _frame->data()[0], true);
wxBitmap frame_bitmap (frame);
dc.DrawBitmap (frame_bitmap, 0, 0);
void
FilmViewer::slider_moved ()
{
- if (_film && _player) {
- _player->seek (_slider->GetValue() * _film->length() / 4096, false);
- fetch_next_frame ();
+ if (!_film) {
+ 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 (t, false);
}
void
_panel_size.width = ev.GetSize().GetWidth();
_panel_size.height = ev.GetSize().GetHeight();
calculate_sizes ();
- fetch_current_frame_again ();
+ get (_position, _last_get_accurate);
}
void
_out_size.width = max (64, _out_size.width);
_out_size.height = max (64, _out_size.height);
+ /* 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;
+
_player->set_video_container_size (_out_size);
}
}
void
-FilmViewer::process_video (shared_ptr<const Image> image, Eyes eyes, Time t)
-{
- if (eyes == EYES_RIGHT) {
- return;
- }
-
- _frame = image;
- _got_frame = true;
-
- set_position_text (t);
-}
-
-void
-FilmViewer::set_position_text (Time t)
+FilmViewer::set_position_text ()
{
if (!_film) {
_frame_number->SetLabel ("0");
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 * fps / TIME_HZ)) + 1));
+ _frame_number->SetLabel (wxString::Format (wxT("%d"), int (rint (_position.seconds() * fps)) + 1));
- double w = static_cast<double>(t) / TIME_HZ;
+ double w = _position.seconds ();
int const h = (w / 3600);
w -= h * 3600;
int const m = (w / 60);
_timecode->SetLabel (wxString::Format (wxT("%02d:%02d:%02d.%02d"), h, m, s, f));
}
-/** Ask the player to emit its next frame, then update our display */
-void
-FilmViewer::fetch_next_frame ()
-{
- /* Clear our frame in case we don't get a new one */
- _frame.reset ();
-
- if (!_player) {
- return;
- }
-
- _got_frame = false;
-
- try {
- 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
FilmViewer::active_jobs_changed (bool a)
{
void
FilmViewer::back_clicked ()
{
- if (!_player) {
- return;
+ DCPTime p = _position - DCPTime::from_frames (1, _film->video_frame_rate ());
+ if (p < DCPTime ()) {
+ p = DCPTime ();
}
- /* 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.
- */
-
- Time p = _player->video_position() - _film->video_frames_to_time (2);
- if (p < 0) {
- p = 0;
- }
-
- _player->seek (p, true);
- fetch_next_frame ();
+ get (p, true);
}
void
FilmViewer::forward_clicked ()
{
- if (!_player) {
- return;
- }
-
- fetch_next_frame ();
+ get (_position + DCPTime::from_frames (1, _film->video_frame_rate ()), true);
}
void
if (frequent) {
return;
}
-
+
calculate_sizes ();
- fetch_current_frame_again ();
+ get (_position, _last_get_accurate);
}