X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.cc;h=ef28018e96b0a960623ba665d4cc6344851f07b0;hb=4fe1a062eb31d680b8b4ac0191b9e2fc2d6aaec3;hp=fb9c5d2aba49891bead89fb83557b5e0441a1eba;hpb=c31e6b0ecd39f23b949ff5e62da934eca8ccbc46;p=dcpomatic.git diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc index fb9c5d2ab..ef28018e9 100644 --- a/src/wx/film_viewer.cc +++ b/src/wx/film_viewer.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012-2016 Carl Hetherington + Copyright (C) 2012-2017 Carl Hetherington This file is part of DCP-o-matic. @@ -26,6 +26,7 @@ #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" @@ -72,27 +73,29 @@ rtaudio_callback (void* out, void *, unsigned int frames, double, RtAudioStreamS return reinterpret_cast(data)->audio_callback (out, frames); } -FilmViewer::FilmViewer (wxWindow* p) +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"))) - , _left_eye (new wxRadioButton (this, wxID_ANY, _("Left eye"), wxDefaultPosition, wxDefaultSize, wxRB_GROUP)) - , _right_eye (new wxRadioButton (this, wxID_ANY, _("Right eye"))) - , _jump_to_selected (new wxCheckBox (this, wxID_ANY, _("Jump to selected 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"))) , _coalesce_player_changes (false) - , _pending_player_change (false) - , _last_seek_accurate (true) + , _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); @@ -106,10 +109,22 @@ FilmViewer::FilmViewer (wxWindow* p) _v_sizer->Add (_panel, 1, wxEXPAND); wxBoxSizer* view_options = new wxBoxSizer (wxHORIZONTAL); - view_options->Add (_outline_content, 0, wxRIGHT, DCPOMATIC_SIZER_GAP); - view_options->Add (_left_eye, 0, wxLEFT | wxRIGHT, DCPOMATIC_SIZER_GAP); - view_options->Add (_right_eye, 0, wxLEFT | wxRIGHT, DCPOMATIC_SIZER_GAP); - view_options->Add (_jump_to_selected, 0, wxLEFT | wxRIGHT, DCPOMATIC_SIZER_GAP); + 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); @@ -118,6 +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); @@ -127,26 +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_CHECKBOX, boost::bind (&FilmViewer::refresh_panel, this)); - _left_eye->Bind (wxEVT_RADIOBUTTON, boost::bind (&FilmViewer::refresh, this)); - _right_eye->Bind (wxEVT_RADIOBUTTON, boost::bind (&FilmViewer::refresh, 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_TOGGLEBUTTON, boost::bind (&FilmViewer::play_clicked, this)); - _timer.Bind (wxEVT_TIMER, boost::bind (&FilmViewer::timer, this)); - _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)); - _jump_to_selected->Bind (wxEVT_CHECKBOX, boost::bind (&FilmViewer::jump_to_selected_clicked, this)); - - _jump_to_selected->SetValue (Config::instance()->jump_to_selected ()); + _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 ()); @@ -175,31 +196,39 @@ FilmViewer::set_film (shared_ptr film) _film = film; _frame.reset (); + _closed_captions_dialog->clear (); update_position_slider (); update_position_label (); if (!_film) { + _player.reset (); + _closed_captions_dialog->set_player (_player); + 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); + _closed_captions_dialog->set_player (_player); + + _player->set_always_burn_open_subtitles (); _player->set_play_referenced (); _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1)); - _player->Changed.connect (boost::bind (&FilmViewer::player_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; @@ -207,7 +236,7 @@ FilmViewer::set_film (shared_ptr film) recreate_butler (); calculate_sizes (); - refresh (); + slow_refresh (); setup_sensitivity (); } @@ -229,16 +258,24 @@ FilmViewer::recreate_butler () map.set (i, i, 1); } } else { - /* Special case: stereo output, at least 3 channel input, map L+R to L/R and - C to both, all 3dB down. + /* 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 (0, 0, 1 / sqrt(2)); // L -> L - map.set (1, 1, 1 / sqrt(2)); // R -> R - map.set (2, 0, 1 / sqrt(2)); // C -> L - map.set (2, 1, 1 / sqrt(2)); // C -> R + 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 (_film, _player, map, _audio_channels)); + _butler.reset (new Butler (_player, _film->log(), map, _audio_channels)); + if (!Config::instance()->sound() && !_audio.isStreamOpen()) { + _butler->disable_audio (); + } if (was_running) { start (); @@ -255,20 +292,38 @@ FilmViewer::refresh_panel () void FilmViewer::get () { - pair, DCPTime> video; + DCPOMATIC_ASSERT (_butler); + do { - video = _butler->get_video (); + _player_video = _butler->get_video (); } while ( _film->three_d() && - ((_left_eye->GetValue() && video.first->eyes() == EYES_RIGHT) || (_right_eye->GetValue() && video.first->eyes() == EYES_LEFT)) + ((_eye->GetSelection() == 0 && _player_video.first->eyes() == EYES_RIGHT) || (_eye->GetSelection() == 1 && _player_video.first->eyes() == EYES_LEFT)) ); - if (!video.first) { + _butler->rethrow (); + + display_player_video (); +} + +void +FilmViewer::display_player_video () +{ + if (!_player_video.first) { _frame.reset (); refresh_panel (); return; } + 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; + } + /* In an ideal world, what we would do here is: * * 1. convert to XYZ exactly as we do in the DCP creation path. @@ -287,41 +342,41 @@ FilmViewer::get () * image and convert it (from whatever the user has said it is) to RGB. */ - _frame = video.first->image ( + _frame = _player_video.first->image ( bind (&Log::dcp_log, _film->log().get(), _1, _2), bind (&PlayerVideo::always_rgb, _1), false, true ); - ImageChanged (video.first); + ImageChanged (_player_video.first); - _video_position = video.second; - _inter_position = video.first->inter_position (); - _inter_size = video.first->inter_size (); + _video_position = _player_video.second; + _inter_position = _player_video.first->inter_position (); + _inter_size = _player_video.first->inter_size (); refresh_panel (); + + _closed_captions_dialog->update (time()); } void FilmViewer::timer () { - if (!_film) { + if (!_film || !_playing) { return; } - if (_audio.isStreamRunning ()) { - get (); - update_position_label (); - update_position_slider (); - DCPTime const next = _video_position + DCPTime::from_frames (1, _film->video_frame_rate ()); - - if (next >= _film->length()) { - stop (); - } + get (); + update_position_label (); + update_position_slider (); + DCPTime const next = _video_position + one_video_frame(); - _timer.Start (max ((next.seconds() - time().seconds()) * 1000, 0.0), wxTIMER_ONE_SHOT); + if (next >= _film->length()) { + stop (); } + _timer.Start (max ((next.seconds() - time().seconds()) * 1000, 1.0), wxTIMER_ONE_SHOT); + if (_butler) { _butler->rethrow (); } @@ -332,7 +387,7 @@ 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; } @@ -357,7 +412,7 @@ 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); @@ -365,22 +420,40 @@ 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(); } 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) { @@ -388,7 +461,9 @@ 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 (); } @@ -396,7 +471,7 @@ FilmViewer::panel_sized (wxSizeEvent& ev) void FilmViewer::calculate_sizes () { - if (!_film) { + if (!_film || !_player) { return; } @@ -445,20 +520,26 @@ FilmViewer::check_play_state () void FilmViewer::start () { + if (!_film) { + return; + } + if (_audio.isStreamOpen()) { _audio.setStreamTime (_video_position.seconds()); _audio.startStream (); } _playing = true; - _timer.Start (0, wxTIMER_ONE_SHOT); + _dropped = 0; + timer (); + _play_button->SetValue (true); } bool FilmViewer::stop () { if (_audio.isStreamRunning()) { - /* stop stream and discard any remainig queued samples */ + /* stop stream and discard any remaining queued samples */ _audio.abortStream (); } @@ -467,6 +548,7 @@ FilmViewer::stop () } _playing = false; + _play_button->SetValue (false); return true; } @@ -513,9 +595,9 @@ FilmViewer::active_jobs_changed (optional j) } DCPTime -FilmViewer::nudge_amount (wxMouseEvent& ev) +FilmViewer::nudge_amount (wxKeyboardState& ev) { - DCPTime amount = DCPTime::from_frames (1, _film->video_frame_rate ()); + DCPTime amount = one_video_frame (); if (ev.ShiftDown() && !ev.ControlDown()) { amount = DCPTime::from_seconds (1); @@ -545,33 +627,73 @@ FilmViewer::go_to (DCPTime t) } void -FilmViewer::back_clicked (wxMouseEvent& ev) +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 () +{ + if (!_film) { + return; + } + + go_to (_video_position + one_video_frame()); +} + +void +FilmViewer::back_clicked (wxKeyboardState& ev) { go_to (_video_position - nudge_amount (ev)); - ev.Skip (); } void -FilmViewer::forward_clicked (wxMouseEvent& ev) +FilmViewer::forward_clicked (wxKeyboardState& ev) { go_to (_video_position + nudge_amount (ev)); - ev.Skip (); } void -FilmViewer::player_changed (bool frequent) +FilmViewer::player_changed (int property, bool frequent) { if (frequent) { return; } if (_coalesce_player_changes) { - _pending_player_change = true; + _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 (); } @@ -582,16 +704,20 @@ 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); - _jump_to_selected->Enable (c); + if (_jump_to_selected) { + _jump_to_selected->Enable (c); + } - _left_eye->Enable (c && _film->three_d ()); - _right_eye->Enable (c && _film->three_d ()); + _eye->Enable (c && _film->three_d ()); } void @@ -599,14 +725,35 @@ FilmViewer::film_changed (Film::Property p) { if (p == Film::CONTENT || p == Film::THREE_D) { setup_sensitivity (); + } else if (p == Film::AUDIO_CHANNELS) { + recreate_butler (); } } -/** Re-get the current frame */ +/** Re-get the current frame slowly by seeking */ void -FilmViewer::refresh () +FilmViewer::slow_refresh () { - seek (_video_position, _last_seek_accurate); + 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 @@ -618,17 +765,22 @@ FilmViewer::set_position (DCPTime p) update_position_slider (); } +void +FilmViewer::set_position (shared_ptr content, ContentTime t) +{ + set_position (_player->content_time_to_dcp (content, t)); +} + void FilmViewer::set_coalesce_player_changes (bool c) { _coalesce_player_changes = c; - if (c) { - _pending_player_change = false; - } else { - if (_pending_player_change) { - player_changed (false); + if (!c) { + BOOST_FOREACH (int i, _pending_player_changes) { + player_changed (i, false); } + _pending_player_changes.clear (); } } @@ -665,15 +817,21 @@ FilmViewer::seek (DCPTime t, bool accurate) return; } + bool const was_running = stop (); + + _closed_captions_dialog->clear (); _butler->seek (t, accurate); - _last_seek_accurate = accurate; get (); + + if (was_running) { + start (); + } } void FilmViewer::config_changed (Config::Property p) { - if (p != Config::SOUND_OUTPUT) { + if (p != Config::SOUND && p != Config::SOUND_OUTPUT) { return; } @@ -681,36 +839,45 @@ FilmViewer::config_changed (Config::Property p) _audio.closeStream (); } - unsigned int st = 0; - if (Config::instance()->sound_output()) { - while (st < _audio.getDeviceCount()) { - if (_audio.getDeviceInfo(st).name == Config::instance()->sound_output().get()) { - break; + 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; } - ++st; - } - if (st == _audio.getDeviceCount()) { + if (st == _audio.getDeviceCount()) { + st = _audio.getDefaultOutputDevice(); + } + } else { st = _audio.getDefaultOutputDevice(); } - } else { - st = _audio.getDefaultOutputDevice(); - } - _audio_channels = _audio.getDeviceInfo(st).outputChannels; - recreate_butler (); + _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); + 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) { + } catch (RtError& e) { #else - } catch (RtAudioError& e) { + } catch (RtAudioError& e) { #endif - error_dialog (this, wxString::Format (_("Could not set up audio output (%s). There will be no audio during the preview."), e.what())); + 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 (); } } @@ -756,3 +923,30 @@ FilmViewer::average_latency () const 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); + } +} + +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::show_closed_captions () +{ + _closed_captions_dialog->Show(); +}