X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.cc;h=0e0fc4315ad7a58ff339d32c8cf4df4590718952;hb=1fe6bd7f8ba059322b8357b2210f0fd590567ce2;hp=5cbe884ec8bd43f42daf28da1724a6df0eb185a9;hpb=b67a3505b58ffd204ee1a2560be3026688be8f10;p=dcpomatic.git diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc index 5cbe884ec..0e0fc4315 100644 --- a/src/wx/film_viewer.cc +++ b/src/wx/film_viewer.cc @@ -1,19 +1,20 @@ /* - Copyright (C) 2012-2015 Carl Hetherington + Copyright (C) 2012-2017 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + DCP-o-matic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ @@ -21,6 +22,11 @@ * @brief A wx widget to view a preview of a Film. */ +#include "film_viewer.h" +#include "playhead_to_timecode_dialog.h" +#include "playhead_to_frame_dialog.h" +#include "wx_util.h" +#include "closed_captions_dialog.h" #include "lib/film.h" #include "lib/ratio.h" #include "lib/util.h" @@ -34,9 +40,12 @@ #include "lib/video_content.h" #include "lib/video_decoder.h" #include "lib/timer.h" +#include "lib/butler.h" #include "lib/log.h" -#include "film_viewer.h" -#include "wx_util.h" +#include "lib/config.h" +extern "C" { +#include +} #include #include #include @@ -57,17 +66,36 @@ using boost::weak_ptr; using boost::optional; using dcp::Size; -FilmViewer::FilmViewer (wxWindow* p) +static +int +rtaudio_callback (void* out, void *, unsigned int frames, double, RtAudioStreamStatus, void* data) +{ + return reinterpret_cast(data)->audio_callback (out, frames); +} + +FilmViewer::FilmViewer (wxWindow* p, bool outline_content, bool jump_to_selected) : wxPanel (p) , _panel (new wxPanel (this)) - , _outline_content (new wxCheckBox (this, wxID_ANY, _("Outline content"))) + , _outline_content (0) + , _eye (0) + , _jump_to_selected (0) , _slider (new wxSlider (this, wxID_ANY, 0, 0, 4096)) + , _rewind_button (new wxButton (this, wxID_ANY, wxT("|<"))) , _back_button (new wxButton (this, wxID_ANY, wxT("<"))) , _forward_button (new wxButton (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"))) - , _last_get_accurate (true) + , _coalesce_player_changes (false) + , _slider_being_moved (false) + , _was_running_before_slider (false) + , _audio (DCPOMATIC_RTAUDIO_API) + , _audio_channels (0) + , _audio_block_size (1024) + , _playing (false) + , _latency_history_count (0) + , _dropped (0) + , _closed_captions_dialog (new ClosedCaptionsDialog(GetParent())) { #ifndef __WXOSX__ _panel->SetDoubleBuffered (true); @@ -80,7 +108,24 @@ FilmViewer::FilmViewer (wxWindow* p) _v_sizer->Add (_panel, 1, wxEXPAND); - _v_sizer->Add (_outline_content, 0, wxALL, DCPOMATIC_SIZER_GAP); + wxBoxSizer* view_options = new wxBoxSizer (wxHORIZONTAL); + if (outline_content) { + _outline_content = new wxCheckBox (this, wxID_ANY, _("Outline content")); + view_options->Add (_outline_content, 0, wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_GAP); + } + + _eye = new wxChoice (this, wxID_ANY); + _eye->Append (_("Left")); + _eye->Append (_("Right")); + _eye->SetSelection (0); + view_options->Add (_eye, 0, wxLEFT | wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_GAP); + + if (jump_to_selected) { + _jump_to_selected = new wxCheckBox (this, wxID_ANY, _("Jump to selected content")); + view_options->Add (_jump_to_selected, 0, wxLEFT | wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_GAP); + } + + _v_sizer->Add (view_options, 0, wxALL, DCPOMATIC_SIZER_GAP); wxBoxSizer* h_sizer = new wxBoxSizer (wxHORIZONTAL); @@ -88,6 +133,7 @@ FilmViewer::FilmViewer (wxWindow* p) time_sizer->Add (_frame_number, 0, wxEXPAND); time_sizer->Add (_timecode, 0, wxEXPAND); + h_sizer->Add (_rewind_button, 0, wxALL, 2); h_sizer->Add (_back_button, 0, wxALL, 2); h_sizer->Add (time_sizer, 0, wxEXPAND); h_sizer->Add (_forward_button, 0, wxALL, 2); @@ -97,19 +143,31 @@ FilmViewer::FilmViewer (wxWindow* p) _v_sizer->Add (h_sizer, 0, wxEXPAND | wxALL, 6); _frame_number->SetMinSize (wxSize (84, -1)); + _rewind_button->SetMinSize (wxSize (32, -1)); _back_button->SetMinSize (wxSize (32, -1)); _forward_button->SetMinSize (wxSize (32, -1)); - _panel->Bind (wxEVT_PAINT, boost::bind (&FilmViewer::paint_panel, this)); - _panel->Bind (wxEVT_SIZE, boost::bind (&FilmViewer::panel_sized, this, _1)); - _outline_content->Bind(wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&FilmViewer::refresh_panel, this)); - _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)); + _panel->Bind (wxEVT_PAINT, boost::bind (&FilmViewer::paint_panel, this)); + _panel->Bind (wxEVT_SIZE, boost::bind (&FilmViewer::panel_sized, this, _1)); + if (_outline_content) { + _outline_content->Bind (wxEVT_CHECKBOX, boost::bind (&FilmViewer::refresh_panel, this)); + } + _eye->Bind (wxEVT_CHOICE, boost::bind (&FilmViewer::slow_refresh, this)); + _slider->Bind (wxEVT_SCROLL_THUMBTRACK, boost::bind (&FilmViewer::slider_moved, this, false)); + _slider->Bind (wxEVT_SCROLL_PAGEUP, boost::bind (&FilmViewer::slider_moved, this, true)); + _slider->Bind (wxEVT_SCROLL_PAGEDOWN, boost::bind (&FilmViewer::slider_moved, this, true)); + _slider->Bind (wxEVT_SCROLL_THUMBRELEASE, boost::bind (&FilmViewer::slider_released, this)); + _play_button->Bind (wxEVT_TOGGLEBUTTON, boost::bind (&FilmViewer::play_clicked, this)); + _timer.Bind (wxEVT_TIMER, boost::bind (&FilmViewer::timer, this)); + _rewind_button->Bind (wxEVT_LEFT_DOWN, boost::bind (&FilmViewer::rewind_clicked, this, _1)); + _back_button->Bind (wxEVT_LEFT_DOWN, boost::bind (&FilmViewer::back_clicked, this, _1)); + _forward_button->Bind (wxEVT_LEFT_DOWN, boost::bind (&FilmViewer::forward_clicked, this, _1)); + _frame_number->Bind (wxEVT_LEFT_DOWN, boost::bind (&FilmViewer::frame_number_clicked, this)); + _timecode->Bind (wxEVT_LEFT_DOWN, boost::bind (&FilmViewer::timecode_clicked, this)); + if (_jump_to_selected) { + _jump_to_selected->Bind (wxEVT_CHECKBOX, boost::bind (&FilmViewer::jump_to_selected_clicked, this)); + _jump_to_selected->SetValue (Config::instance()->jump_to_selected ()); + } set_film (shared_ptr ()); @@ -118,6 +176,14 @@ FilmViewer::FilmViewer (wxWindow* p) ); setup_sensitivity (); + + _config_changed_connection = Config::instance()->Changed.connect (bind (&FilmViewer::config_changed, this, _1)); + config_changed (Config::SOUND_OUTPUT); +} + +FilmViewer::~FilmViewer () +{ + stop (); } void @@ -130,39 +196,91 @@ FilmViewer::set_film (shared_ptr film) _film = film; _frame.reset (); + _closed_captions_dialog->clear (); update_position_slider (); update_position_label (); if (!_film) { + _player.reset (); + recreate_butler (); + _frame.reset (); + refresh_panel (); return; } try { _player.reset (new Player (_film, _film->playlist ())); + _player->set_fast (); + if (_dcp_decode_reduction) { + _player->set_dcp_decode_reduction (_dcp_decode_reduction); + } } catch (bad_alloc) { error_dialog (this, _("There is not enough free memory to do that.")); _film.reset (); return; } - /* Always burn in subtitles, even if content is set not to, otherwise we won't see them - in the preview. - */ - _player->set_always_burn_subtitles (true); - _player->set_ignore_audio (); + _player->set_always_burn_open_subtitles (); _player->set_play_referenced (); - _film_connection = _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1)); + _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1)); + _player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1, _2)); + + /* Keep about 1 second's worth of history samples */ + _latency_history_count = _film->audio_frame_rate() / _audio_block_size; - _player_connection = _player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1)); + recreate_butler (); calculate_sizes (); - refresh (); + slow_refresh (); setup_sensitivity (); } +void +FilmViewer::recreate_butler () +{ + bool const was_running = stop (); + _butler.reset (); + + if (!_film) { + 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, _film->log(), map, _audio_channels)); + if (!Config::instance()->sound() && !_audio.isStreamOpen()) { + _butler->disable_audio (); + } + + _closed_captions_dialog->set_butler (_butler); + + if (was_running) { + start (); + } +} + void FilmViewer::refresh_panel () { @@ -171,71 +289,96 @@ FilmViewer::refresh_panel () } void -FilmViewer::get (DCPTime p, bool accurate) +FilmViewer::get () +{ + DCPOMATIC_ASSERT (_butler); + + do { + _player_video = _butler->get_video (); + } while ( + _film->three_d() && + ((_eye->GetSelection() == 0 && _player_video.first->eyes() == EYES_RIGHT) || (_eye->GetSelection() == 1 && _player_video.first->eyes() == EYES_LEFT)) + ); + + _butler->rethrow (); + + display_player_video (); +} + +void +FilmViewer::display_player_video () { - if (!_player) { + if (!_player_video.first) { + _frame.reset (); + refresh_panel (); return; } - list > pvf; - try { - pvf = _player->get_video (p, accurate); - } catch (exception& e) { - error_dialog (this, wxString::Format (_("Could not get video for view (%s)"), std_to_wx(e.what()).data())); + if (_playing && (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). + */ + _video_position = _player_video.second; + ++_dropped; + return; } - if (!pvf.empty ()) { - try { - _frame = pvf.front()->image (AV_PIX_FMT_RGB24, boost::bind (&Log::dcp_log, _film->log().get(), _1, _2)); - ImageChanged (pvf.front ()); + /* In an ideal world, what we would do here is: + * + * 1. convert to XYZ exactly as we do in the DCP creation path. + * 2. convert back to RGB for the preview display, compensating + * for the monitor etc. etc. + * + * but this is inefficient if the source is RGB. Since we don't + * (currently) care too much about the precise accuracy of the preview's + * colour mapping (and we care more about its speed) we try to short- + * circuit this "ideal" situation in some cases. + * + * The content's specified colour conversion indicates the colourspace + * which the content is in (according to the user). + * + * PlayerVideo::image (bound to PlayerVideo::always_rgb) will take the source + * image and convert it (from whatever the user has said it is) to RGB. + */ + + _frame = _player_video.first->image ( + bind (&Log::dcp_log, _film->log().get(), _1, _2), + bind (&PlayerVideo::always_rgb, _1), + false, true + ); - dcp::YUVToRGB yuv_to_rgb = dcp::YUV_TO_RGB_REC601; - if (pvf.front()->colour_conversion()) { - yuv_to_rgb = pvf.front()->colour_conversion().get().yuv_to_rgb(); - } + ImageChanged (_player_video.first); - _frame = _frame->scale (_frame->size(), yuv_to_rgb, AV_PIX_FMT_RGB24, false); - _position = pvf.front()->time (); - _inter_position = pvf.front()->inter_position (); - _inter_size = pvf.front()->inter_size (); - } catch (dcp::DCPReadError& e) { - /* This can happen on the following sequence of events: - * - load encrypted DCP - * - add KDM - * - DCP is examined again, which sets its "playable" flag to 1 - * - as a side effect of the exam, the viewer is updated using the old pieces - * - the DCPDecoder in the old piece gives us an encrypted frame - * - then, the pieces are re-made (but too late). - * - * I hope there's a better way to handle this ... - */ - _frame.reset (); - _position = p; - } - } else { - _frame.reset (); - _position = p; - } + _video_position = _player_video.second; + _inter_position = _player_video.first->inter_position (); + _inter_size = _player_video.first->inter_size (); refresh_panel (); - _last_get_accurate = accurate; + _closed_captions_dialog->update (time()); } void FilmViewer::timer () { - DCPTime const frame = DCPTime::from_frames (1, _film->video_frame_rate ()); - - if ((_position + frame) >= _film->length ()) { - _play_button->SetValue (false); - check_play_state (); - } else { - get (_position + frame, true); + if (!_film || !_playing) { + return; } + get (); update_position_label (); update_position_slider (); + 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 (); + } } void @@ -243,7 +386,7 @@ FilmViewer::paint_panel () { wxPaintDC dc (_panel); - if (!_frame || !_film || !_out_size.width || !_out_size.height) { + if (!_frame || !_film || !_out_size.width || !_out_size.height || _out_size != _frame->size()) { dc.Clear (); return; } @@ -268,7 +411,7 @@ FilmViewer::paint_panel () dc.DrawRectangle (0, _out_size.height, _panel_size.width, _panel_size.height - _out_size.height); } - if (_outline_content->GetValue ()) { + if (_outline_content && _outline_content->GetValue ()) { wxPen p (wxColour (255, 0, 0), 2); dc.SetPen (p); dc.SetBrush (*wxTRANSPARENT_BRUSH); @@ -276,22 +419,40 @@ FilmViewer::paint_panel () } } +/** @param page true if this was a PAGEUP/PAGEDOWN event for which we won't receive a THUMBRELEASE */ void -FilmViewer::slider_moved () +FilmViewer::slider_moved (bool page) { if (!_film) { return; } + if (!page && !_slider_being_moved) { + /* This is the first event of a drag; stop playback for the duration of the drag */ + _was_running_before_slider = stop (); + _slider_being_moved = true; + } + DCPTime t (_slider->GetValue() * _film->length().get() / 4096); + t = t.round (_film->video_frame_rate()); /* 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 ()); + t = _film->length() - one_video_frame(); } - get (t, false); + seek (t, false); update_position_label (); } +void +FilmViewer::slider_released () +{ + if (_was_running_before_slider) { + /* Restart after a drag */ + start (); + } + _slider_being_moved = false; +} + void FilmViewer::panel_sized (wxSizeEvent& ev) { @@ -299,7 +460,9 @@ FilmViewer::panel_sized (wxSizeEvent& ev) _panel_size.height = ev.GetSize().GetHeight(); calculate_sizes (); - refresh (); + if (!quick_refresh()) { + slow_refresh (); + } update_position_label (); update_position_slider (); } @@ -347,10 +510,45 @@ FilmViewer::check_play_state () } if (_play_button->GetValue()) { - _timer.Start (1000 / _film->video_frame_rate()); + start (); } else { - _timer.Stop (); + stop (); + } +} + +void +FilmViewer::start () +{ + if (!_film) { + return; + } + + if (_audio.isStreamOpen()) { + _audio.setStreamTime (_video_position.seconds()); + _audio.startStream (); + } + + _playing = true; + _dropped = 0; + timer (); + _play_button->SetValue (true); +} + +bool +FilmViewer::stop () +{ + if (_audio.isStreamRunning()) { + /* stop stream and discard any remaining queued samples */ + _audio.abortStream (); + } + + if (!_playing) { + return false; } + + _playing = false; + _play_button->SetValue (false); + return true; } void @@ -364,7 +562,7 @@ FilmViewer::update_position_slider () DCPTime const len = _film->length (); if (len.get ()) { - int const new_slider_position = 4096 * _position.get() / len.get(); + int const new_slider_position = 4096 * _video_position.get() / len.get(); if (new_slider_position != _slider->GetValue()) { _slider->SetValue (new_slider_position); } @@ -382,8 +580,8 @@ FilmViewer::update_position_label () 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("%ld"), lrint (_position.seconds() * fps) + 1)); - _timecode->SetLabel (time_to_timecode (_position, fps)); + _frame_number->SetLabel (wxString::Format (wxT("%ld"), lrint (_video_position.seconds() * fps) + 1)); + _timecode->SetLabel (time_to_timecode (_video_position, fps)); } void @@ -395,41 +593,106 @@ FilmViewer::active_jobs_changed (optional j) _play_button->Enable (a); } +DCPTime +FilmViewer::nudge_amount (wxKeyboardState& ev) +{ + DCPTime amount = one_video_frame (); + + if (ev.ShiftDown() && !ev.ControlDown()) { + amount = DCPTime::from_seconds (1); + } else if (!ev.ShiftDown() && ev.ControlDown()) { + amount = DCPTime::from_seconds (10); + } else if (ev.ShiftDown() && ev.ControlDown()) { + amount = DCPTime::from_seconds (60); + } + + return amount; +} + void -FilmViewer::back_clicked () +FilmViewer::go_to (DCPTime t) { - DCPTime p = _position - DCPTime::from_frames (1, _film->video_frame_rate ()); - if (p < DCPTime ()) { - p = DCPTime (); + if (t < DCPTime ()) { + t = DCPTime (); } - get (p, true); + if (t >= _film->length ()) { + t = _film->length (); + } + + seek (t, true); update_position_label (); update_position_slider (); } void -FilmViewer::forward_clicked () +FilmViewer::rewind_clicked (wxMouseEvent& ev) +{ + go_to(DCPTime()); + ev.Skip(); +} + +void +FilmViewer::back_frame () +{ + if (!_film) { + return; + } + + go_to (_video_position - one_video_frame()); +} + +void +FilmViewer::forward_frame () { - DCPTime p = _position + DCPTime::from_frames (1, _film->video_frame_rate ()); - if (p >= _film->length ()) { - p = _position; + if (!_film) { + return; } - get (p, true); - update_position_label (); - update_position_slider (); + go_to (_video_position + one_video_frame()); +} + +void +FilmViewer::back_clicked (wxKeyboardState& ev) +{ + go_to (_video_position - nudge_amount (ev)); } void -FilmViewer::player_changed (bool frequent) +FilmViewer::forward_clicked (wxKeyboardState& ev) +{ + go_to (_video_position + nudge_amount (ev)); +} + +void +FilmViewer::player_changed (int property, bool frequent) { if (frequent) { return; } + if (_coalesce_player_changes) { + _pending_player_changes.push_back (property); + return; + } + calculate_sizes (); - refresh (); + bool refreshed = false; + if ( + property == VideoContentProperty::CROP || + property == VideoContentProperty::SCALE || + property == VideoContentProperty::FADE_IN || + property == VideoContentProperty::FADE_OUT || + property == VideoContentProperty::COLOUR_CONVERSION || + property == PlayerProperty::VIDEO_CONTAINER_SIZE || + property == PlayerProperty::FILM_CONTAINER + ) { + refreshed = quick_refresh (); + } + + if (!refreshed) { + slow_refresh (); + } update_position_label (); update_position_slider (); } @@ -440,25 +703,269 @@ FilmViewer::setup_sensitivity () bool const c = _film && !_film->content().empty (); _slider->Enable (c); + _rewind_button->Enable (c); _back_button->Enable (c); _forward_button->Enable (c); _play_button->Enable (c); - _outline_content->Enable (c); + if (_outline_content) { + _outline_content->Enable (c); + } _frame_number->Enable (c); _timecode->Enable (c); + if (_jump_to_selected) { + _jump_to_selected->Enable (c); + } + + _eye->Enable (c && _film->three_d ()); } void FilmViewer::film_changed (Film::Property p) { - if (p == Film::CONTENT) { + if (p == Film::CONTENT || p == Film::THREE_D) { setup_sensitivity (); + } else if (p == Film::AUDIO_CHANNELS) { + recreate_butler (); + } +} + +/** Re-get the current frame slowly by seeking */ +void +FilmViewer::slow_refresh () +{ + seek (_video_position, true); +} + +/** Try to re-get the current frame quickly by resetting the metadata + * in the PlayerVideo that we used last time. + * @return true if this was possible, false if not. + */ +bool +FilmViewer::quick_refresh () +{ + if (!_player_video.first) { + return false; + } + + if (!_player_video.first->reset_metadata (_player->video_container_size(), _film->frame_size())) { + return false; + } + + display_player_video (); + return true; +} + +void +FilmViewer::set_position (DCPTime p) +{ + _video_position = p; + seek (p, true); + update_position_label (); + update_position_slider (); +} + +void +FilmViewer::set_position (shared_ptr content, ContentTime t) +{ + optional dt = _player->content_time_to_dcp (content, t); + if (dt) { + set_position (*dt); + } +} + +void +FilmViewer::set_coalesce_player_changes (bool c) +{ + _coalesce_player_changes = c; + + if (!c) { + BOOST_FOREACH (int i, _pending_player_changes) { + player_changed (i, false); + } + _pending_player_changes.clear (); + } +} + +void +FilmViewer::timecode_clicked () +{ + PlayheadToTimecodeDialog* dialog = new PlayheadToTimecodeDialog (this, _film->video_frame_rate ()); + if (dialog->ShowModal() == wxID_OK) { + go_to (dialog->get ()); + } + dialog->Destroy (); +} + +void +FilmViewer::frame_number_clicked () +{ + PlayheadToFrameDialog* dialog = new PlayheadToFrameDialog (this, _film->video_frame_rate ()); + if (dialog->ShowModal() == wxID_OK) { + go_to (dialog->get ()); + } + dialog->Destroy (); +} + +void +FilmViewer::jump_to_selected_clicked () +{ + Config::instance()->set_jump_to_selected (_jump_to_selected->GetValue ()); +} + +void +FilmViewer::seek (DCPTime t, bool accurate) +{ + if (!_butler) { + return; + } + + bool const was_running = stop (); + + _closed_captions_dialog->clear (); + _butler->seek (t, accurate); + get (); + + if (was_running) { + start (); + } +} + +void +FilmViewer::config_changed (Config::Property p) +{ + if (p != Config::SOUND && p != Config::SOUND_OUTPUT) { + return; + } + + if (_audio.isStreamOpen ()) { + _audio.closeStream (); + } + + if (Config::instance()->sound() && _audio.getDeviceCount() > 0) { + unsigned int st = 0; + if (Config::instance()->sound_output()) { + while (st < _audio.getDeviceCount()) { + if (_audio.getDeviceInfo(st).name == Config::instance()->sound_output().get()) { + break; + } + ++st; + } + if (st == _audio.getDeviceCount()) { + st = _audio.getDefaultOutputDevice(); + } + } else { + st = _audio.getDefaultOutputDevice(); + } + + _audio_channels = _audio.getDeviceInfo(st).outputChannels; + + RtAudio::StreamParameters sp; + sp.deviceId = st; + sp.nChannels = _audio_channels; + sp.firstChannel = 0; + try { + _audio.openStream (&sp, 0, RTAUDIO_FLOAT32, 48000, &_audio_block_size, &rtaudio_callback, this); +#ifdef DCPOMATIC_USE_RTERROR + } catch (RtError& e) { +#else + } catch (RtAudioError& e) { +#endif + error_dialog ( + this, + _("Could not set up audio output. There will be no audio during the preview."), std_to_wx(e.what()) + ); + } + recreate_butler (); + + } else { + _audio_channels = 0; + recreate_butler (); + } +} + +DCPTime +FilmViewer::uncorrected_time () const +{ + if (_audio.isStreamRunning ()) { + return DCPTime::from_seconds (const_cast(&_audio)->getStreamTime()); + } + + return _video_position; +} + +DCPTime +FilmViewer::time () const +{ + if (_audio.isStreamRunning ()) { + return DCPTime::from_seconds (const_cast(&_audio)->getStreamTime ()) - + DCPTime::from_frames (average_latency(), _film->audio_frame_rate()); + } + + return _video_position; +} + +int +FilmViewer::audio_callback (void* out_p, unsigned int frames) +{ + while (true) { + optional t = _butler->get_audio (reinterpret_cast (out_p), frames); + if (!t || DCPTime(uncorrected_time() - *t) < one_video_frame()) { + /* There was an underrun or this audio is on time; carry on */ + break; + } + /* The audio we just got was (very) late; drop it and get some more. */ + } + + boost::mutex::scoped_lock lm (_latency_history_mutex, boost::try_to_lock); + if (lm) { + _latency_history.push_back (_audio.getStreamLatency ()); + if (_latency_history.size() > static_cast (_latency_history_count)) { + _latency_history.pop_front (); + } + } + + return 0; +} + +Frame +FilmViewer::average_latency () const +{ + boost::mutex::scoped_lock lm (_latency_history_mutex); + if (_latency_history.empty()) { + return 0; + } + + Frame total = 0; + BOOST_FOREACH (Frame i, _latency_history) { + total += i; + } + + return total / _latency_history.size(); +} + +void +FilmViewer::set_dcp_decode_reduction (optional reduction) +{ + _dcp_decode_reduction = reduction; + if (_player) { + _player->set_dcp_decode_reduction (reduction); } } -/** Re-get the current frame */ +optional +FilmViewer::dcp_decode_reduction () const +{ + return _dcp_decode_reduction; +} + +DCPTime +FilmViewer::one_video_frame () const +{ + return DCPTime::from_frames (1, _film->video_frame_rate()); +} + void -FilmViewer::refresh () +FilmViewer::show_closed_captions () { - get (_position, _last_get_accurate); + _closed_captions_dialog->Show(); }