X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.cc;h=d84a0af340c31e413b6cd65bb68f1e40f22bdf4b;hb=e6c67f4aac2ca9afc275b6f13058e1e46f2cecc3;hp=3ba7ee7ce8dfa20ffa05fd7ed6809365e6cc6f29;hpb=373f010a7f04add1f49169cbaa60cb7ae5f508d4;p=dcpomatic.git diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc index 3ba7ee7ce..d84a0af34 100644 --- a/src/wx/film_viewer.cc +++ b/src/wx/film_viewer.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 Carl Hetherington 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 @@ -34,10 +34,10 @@ #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/ffmpeg_content.h" -#include "lib/still_image_content.h" #include "lib/video_decoder.h" +#include "lib/timer.h" #include "film_viewer.h" #include "wx_util.h" @@ -47,11 +47,12 @@ 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 f, wxWindow* p) : wxPanel (p) @@ -62,7 +63,7 @@ FilmViewer::FilmViewer (shared_ptr f, 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"))) - , _got_frame (false) + , _last_get_accurate (true) { #ifndef __WXOSX__ _panel->SetDoubleBuffered (true); @@ -120,57 +121,62 @@ FilmViewer::set_film (shared_ptr f) _film = f; _frame.reset (); - _queue.clear (); - + _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_current_frame_again (); + get (_position, _last_get_accurate); } void -FilmViewer::fetch_current_frame_again () +FilmViewer::get (DCPTime p, bool accurate) { if (!_player) { return; } - /* Player::video_position is the time after the last frame that we received. - We want to see it again, so seek back one frame. - */ - - Time p = _player->video_position() - _film->video_frames_to_time (1); - if (p < 0) { - p = 0; + list > 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 (); } - _player->seek (p, true); - fetch_next_frame (); + _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); } @@ -188,9 +194,7 @@ FilmViewer::paint_panel () return; } - shared_ptr 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); @@ -215,10 +219,16 @@ FilmViewer::paint_panel () 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 @@ -227,7 +237,7 @@ FilmViewer::panel_sized (wxSizeEvent& ev) _panel_size.width = ev.GetSize().GetWidth(); _panel_size.height = ev.GetSize().GetHeight(); calculate_sizes (); - fetch_current_frame_again (); + get (_position, _last_get_accurate); } void @@ -239,7 +249,7 @@ FilmViewer::calculate_sizes () Ratio const * container = _film->container (); - float const panel_ratio = static_cast (_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) { @@ -256,6 +266,13 @@ FilmViewer::calculate_sizes () _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); } @@ -280,26 +297,7 @@ FilmViewer::check_play_state () } void -FilmViewer::process_video (shared_ptr image, Eyes eyes, Time t) -{ - if (eyes == EYES_RIGHT) { - return; - } - - if (_got_frame) { - /* This is an additional frame emitted by a single pass. Store it. */ - _queue.push_front (make_pair (image, t)); - 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"); @@ -309,9 +307,9 @@ FilmViewer::set_position_text (Time t) 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(t) / TIME_HZ; + double w = _position.seconds (); int const h = (w / 3600); w -= h * 3600; int const m = (w / 60); @@ -322,36 +320,6 @@ FilmViewer::set_position_text (Time t) _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; - - if (!_queue.empty ()) { - process_video (_queue.back().first, EYES_BOTH, _queue.back().second); - _queue.pop_back (); - } else { - 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())); - } - } - - _panel->Refresh (); - _panel->Update (); -} - void FilmViewer::active_jobs_changed (bool a) { @@ -375,31 +343,18 @@ 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 @@ -408,7 +363,7 @@ FilmViewer::player_changed (bool frequent) if (frequent) { return; } - + calculate_sizes (); - fetch_current_frame_again (); + get (_position, _last_get_accurate); }