X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ffilm_viewer.cc;h=0e1fe3ea0ab87baf7453e175c6c30ad204efe0b2;hb=fb771f2613cd3e7f43bf613d592d6937a1017f2d;hp=a5920b4bb0f3c2a5ddad552532d3b574f136a9dd;hpb=c1d35fc679f63d8a2f80287b6c6a9af984a449f5;p=dcpomatic.git diff --git a/src/wx/film_viewer.cc b/src/wx/film_viewer.cc index a5920b4bb..0bb582c66 100644 --- a/src/wx/film_viewer.cc +++ b/src/wx/film_viewer.cc @@ -1,19 +1,20 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2016 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 . */ @@ -21,61 +22,107 @@ * @brief A wx widget to view a preview of a Film. */ -#include -#include -#include +#include "film_viewer.h" +#include "playhead_to_timecode_dialog.h" +#include "playhead_to_frame_dialog.h" +#include "wx_util.h" #include "lib/film.h" -#include "lib/format.h" +#include "lib/ratio.h" #include "lib/util.h" #include "lib/job_manager.h" -#include "lib/options.h" -#include "lib/subtitle.h" #include "lib/image.h" -#include "lib/scaler.h" #include "lib/exceptions.h" #include "lib/examine_content_job.h" #include "lib/filter.h" -#include "film_viewer.h" -#include "wx_util.h" -#include "video_decoder.h" +#include "lib/player.h" +#include "lib/player_video.h" +#include "lib/video_content.h" +#include "lib/video_decoder.h" +#include "lib/timer.h" +#include "lib/butler.h" +#include "lib/log.h" +#include "lib/config.h" +extern "C" { +#include +} +#include +#include +#include +#include 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 std::exception; using boost::shared_ptr; -using libdcp::Size; +using boost::dynamic_pointer_cast; +using boost::weak_ptr; +using boost::optional; +using dcp::Size; + +static +int +rtaudio_callback (void* out, void *, unsigned int frames, double, RtAudioStreamStatus, void* data) +{ + return reinterpret_cast(data)->audio_callback (out, frames); +} -FilmViewer::FilmViewer (shared_ptr f, wxWindow* p) +FilmViewer::FilmViewer (wxWindow* p, bool outline_content, bool jump_to_selected) : wxPanel (p) , _panel (new wxPanel (this)) + , _outline_content (0) + , _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 (0) , _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) + , _coalesce_player_changes (false) + , _pending_player_change (false) + , _last_seek_accurate (true) + , _audio (DCPOMATIC_RTAUDIO_API) + , _audio_channels (0) + , _audio_block_size (1024) + , _playing (false) + , _latency_history_count (0) + , _dropped (0) { #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); _v_sizer->Add (_panel, 1, wxEXPAND); + 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, 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); + 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, DCPOMATIC_SIZER_GAP); + } + _v_sizer->Add (view_options, 0, wxALL, DCPOMATIC_SIZER_GAP); + 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); @@ -86,167 +133,241 @@ FilmViewer::FilmViewer (shared_ptr f, wxWindow* p) _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)); + if (_outline_content) { + _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, false)); + _slider->Bind (wxEVT_SCROLL_PAGEUP, boost::bind (&FilmViewer::slider_moved, this, false)); + _slider->Bind (wxEVT_SCROLL_PAGEDOWN, boost::bind (&FilmViewer::slider_moved, this, false)); + _slider->Bind (wxEVT_SCROLL_CHANGED, boost::bind (&FilmViewer::slider_moved, this, true)); + _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)); + 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 (f); + set_film (shared_ptr ()); JobManager::instance()->ActiveJobsChanged.connect ( - bind (&FilmViewer::active_jobs_changed, this, _1) + bind (&FilmViewer::active_jobs_changed, this, _2) ); + + setup_sensitivity (); + + _config_changed_connection = Config::instance()->Changed.connect (bind (&FilmViewer::config_changed, this, _1)); + config_changed (Config::SOUND_OUTPUT); } -void -FilmViewer::film_changed (Film::Property p) +FilmViewer::~FilmViewer () { - switch (p) { - case Film::FORMAT: - calculate_sizes (); - update_from_raw (); - break; - case Film::CONTENT: - { - DecodeOptions o; - o.decode_audio = false; - o.decode_subtitles = true; - o.video_sync = false; - - try { - _decoders = decoder_factory (_film, o); - } catch (StringError& e) { - error_dialog (this, wxString::Format (_("Could not open content file (%s)"), std_to_wx(e.what()).data())); - return; - } - - if (_decoders.video == 0) { - break; - } - _decoders.video->set_subtitle_stream (_film->subtitle_stream()); - _decoders.video->Video.connect (bind (&FilmViewer::process_video, this, _1, _2, _3, _4)); - _decoders.video->OutputChanged.connect (boost::bind (&FilmViewer::decoder_changed, this)); - calculate_sizes (); - get_frame (); - _panel->Refresh (); - _slider->Show (_film->content_type() == VIDEO); - _play_button->Show (_film->content_type() == VIDEO); - _v_sizer->Layout (); - break; - } - case Film::WITH_SUBTITLES: - case Film::SUBTITLE_OFFSET: - case Film::SUBTITLE_SCALE: - case Film::SCALER: - case Film::FILTERS: - update_from_raw (); - break; - case Film::SUBTITLE_STREAM: - if (_decoders.video) { - _decoders.video->set_subtitle_stream (_film->subtitle_stream ()); - } - break; - default: - break; - } + stop (); } void -FilmViewer::set_film (shared_ptr f) +FilmViewer::set_film (shared_ptr film) { - if (_film == f) { + if (_film == film) { return; } - - _film = f; - _raw_frame.reset (); - _display_frame.reset (); - _panel->Refresh (); - _panel->Update (); + _film = film; + + _frame.reset (); + + update_position_slider (); + update_position_label (); if (!_film) { 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_play_referenced (); + _film->Changed.connect (boost::bind (&FilmViewer::film_changed, this, _1)); + _player->Changed.connect (boost::bind (&FilmViewer::player_changed, this, _1)); + + /* Keep about 1 second's worth of history samples */ + _latency_history_count = _film->audio_frame_rate() / _audio_block_size; + + recreate_butler (); + + calculate_sizes (); + refresh (); - film_changed (Film::CONTENT); - film_changed (Film::FORMAT); - film_changed (Film::WITH_SUBTITLES); - film_changed (Film::SUBTITLE_OFFSET); - film_changed (Film::SUBTITLE_SCALE); - film_changed (Film::SUBTITLE_STREAM); + setup_sensitivity (); } void -FilmViewer::decoder_changed () +FilmViewer::recreate_butler () { - if (_decoders.video == 0 || _decoders.video->seek_to_last ()) { + bool const was_running = stop (); + _butler.reset (); + + if (!_film) { return; } - get_frame (); + 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 L+R to L/R and + C to both, all 3dB down. + */ + 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 + } + + _butler.reset (new Butler (_player, _film->log(), map, _audio_channels)); + if (!Config::instance()->sound() && !_audio.isStreamOpen()) { + _butler->disable_audio (); + } + + if (was_running) { + start (); + } +} + +void +FilmViewer::refresh_panel () +{ _panel->Refresh (); _panel->Update (); } void -FilmViewer::timer (wxTimerEvent &) +FilmViewer::get () { - if (!_film || !_decoders.video) { + DCPOMATIC_ASSERT (_butler); + + pair, DCPTime> video; + do { + video = _butler->get_video (); + } while ( + _film->three_d() && + ((_left_eye->GetValue() && video.first->eyes() == EYES_RIGHT) || (_right_eye->GetValue() && video.first->eyes() == EYES_LEFT)) + ); + + _butler->rethrow (); + + if (!video.first) { + _frame.reset (); + refresh_panel (); return; } - - _panel->Refresh (); - _panel->Update (); - - get_frame (); - if (_film->length()) { - int const new_slider_position = 4096 * _decoders.video->last_source_time() / (_film->length().get() / _film->source_frame_rate()); - if (new_slider_position != _slider->GetValue()) { - _slider->SetValue (new_slider_position); - } + if (_playing && (time() - 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 = 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. + * 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 = video.first->image ( + bind (&Log::dcp_log, _film->log().get(), _1, _2), + bind (&PlayerVideo::always_rgb, _1), + false, true + ); + + ImageChanged (video.first); + + _video_position = video.second; + _inter_position = video.first->inter_position (); + _inter_size = video.first->inter_size (); + + refresh_panel (); } +void +FilmViewer::timer () +{ + 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 -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); - - if (_film->with_subtitles() && _display_sub) { - wxImage sub (_display_sub->size().width, _display_sub->size().height, _display_sub->data()[0], _display_sub->alpha(), true); - wxBitmap sub_bitmap (sub); - dc.DrawBitmap (sub_bitmap, _display_sub_position.x, _display_sub_position.y); - } + dc.DrawBitmap (frame_bitmap, 0, 0); if (_out_size.width < _panel_size.width) { wxPen p (GetBackgroundColour ()); @@ -262,24 +383,34 @@ FilmViewer::paint_panel (wxPaintEvent &) dc.SetPen (p); dc.SetBrush (b); dc.DrawRectangle (0, _out_size.height, _panel_size.width, _panel_size.height - _out_size.height); - } -} + } + if (_outline_content && _outline_content->GetValue ()) { + wxPen p (wxColour (255, 0, 0), 2); + dc.SetPen (p); + dc.SetBrush (*wxTRANSPARENT_BRUSH); + dc.DrawRectangle (_inter_position.x, _inter_position.y, _inter_size.width, _inter_size.height); + } +} void -FilmViewer::slider_moved (wxScrollEvent &) +FilmViewer::slider_moved (bool update_slider) { - if (!_film || !_film->length() || !_decoders.video) { + if (!_film) { return; } - - if (_decoders.video->seek (_slider->GetValue() * _film->length().get() / (4096 * _film->source_frame_rate()))) { - 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() - one_video_frame(); + } + seek (t, false); + update_position_label (); + if (update_slider) { + update_position_slider (); } - - get_frame (); - _panel->Refresh (); - _panel->Update (); } void @@ -287,216 +418,409 @@ FilmViewer::panel_sized (wxSizeEvent& ev) { _panel_size.width = ev.GetSize().GetWidth(); _panel_size.height = ev.GetSize().GetHeight(); + calculate_sizes (); - update_from_raw (); + refresh (); + update_position_label (); + update_position_slider (); } void -FilmViewer::update_from_raw () +FilmViewer::calculate_sizes () { - if (!_raw_frame) { + if (!_film) { return; } - raw_to_display (); - - _panel->Refresh (); - _panel->Update (); + Ratio const * container = _film->container (); + + float const panel_ratio = _panel_size.ratio (); + float const film_ratio = container ? container->ratio () : 1.78; + + if (panel_ratio < film_ratio) { + /* panel is less widscreen than the film; clamp width */ + _out_size.width = _panel_size.width; + _out_size.height = lrintf (_out_size.width / film_ratio); + } else { + /* panel is more widescreen than the film; clamp height */ + _out_size.height = _panel_size.height; + _out_size.width = lrintf (_out_size.height * film_ratio); + } + + /* Catch silly values */ + _out_size.width = max (64, _out_size.width); + _out_size.height = max (64, _out_size.height); + + _player->set_video_container_size (_out_size); } void -FilmViewer::raw_to_display () +FilmViewer::play_clicked () { - if (!_raw_frame || _out_size.width < 64 || _out_size.height < 64 || !_film) { + check_play_state (); +} + +void +FilmViewer::check_play_state () +{ + if (!_film || _film->video_frame_rate() == 0) { return; } - boost::shared_ptr input = _raw_frame; + if (_play_button->GetValue()) { + start (); + } else { + stop (); + } +} - pair const s = Filter::ffmpeg_strings (_film->filters()); - if (!s.second.empty ()) { - input = input->post_process (s.second, true); +void +FilmViewer::start () +{ + if (_audio.isStreamOpen()) { + _audio.setStreamTime (_video_position.seconds()); + _audio.startStream (); } - - /* Get a compacted image as we have to feed it to wxWidgets */ - _display_frame = input->scale_and_convert_to_rgb (_film_size, 0, _film->scaler(), false); - if (_raw_sub) { + _playing = true; + _dropped = 0; + timer (); +} - /* Our output is already cropped by the decoder, so we need to account for that - when working out the scale that we are applying. - */ +bool +FilmViewer::stop () +{ + if (_audio.isStreamRunning()) { + /* stop stream and discard any remainig queued samples */ + _audio.abortStream (); + } - Size const cropped_size = _film->cropped_size (_film->size ()); - - dvdomatic::Rect tx = subtitle_transformed_area ( - float (_film_size.width) / cropped_size.width, - float (_film_size.height) / cropped_size.height, - _raw_sub->area(), _film->subtitle_offset(), _film->subtitle_scale() - ); - - _display_sub.reset (new RGBPlusAlphaImage (_raw_sub->image()->scale (tx.size(), _film->scaler(), false))); - _display_sub_position = tx.position(); - _display_sub_position.x += _display_frame_x; - } else { - _display_sub.reset (); + if (!_playing) { + return false; } -} + + _playing = false; + _play_button->SetValue (false); + return true; +} void -FilmViewer::calculate_sizes () +FilmViewer::update_position_slider () { if (!_film) { + _slider->SetValue (0); return; } - Format const * format = _film->format (); - - float const panel_ratio = static_cast (_panel_size.width) / _panel_size.height; - float const film_ratio = format ? format->container_ratio () : 1.78; - - if (panel_ratio < film_ratio) { - /* panel is less widscreen than the film; clamp width */ - _out_size.width = _panel_size.width; - _out_size.height = _out_size.width / film_ratio; - } else { - /* panel is more widescreen than the film; clamp height */ - _out_size.height = _panel_size.height; - _out_size.width = _out_size.height * film_ratio; + DCPTime const len = _film->length (); + + if (len.get ()) { + int const new_slider_position = 4096 * _video_position.get() / len.get(); + if (new_slider_position != _slider->GetValue()) { + _slider->SetValue (new_slider_position); + } } +} - /* 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 (format->dcp_padding (_film)) * _out_size.width / format->dcp_size().width; +void +FilmViewer::update_position_label () +{ + if (!_film) { + _frame_number->SetLabel ("0"); + _timecode->SetLabel ("0:0:0.0"); + return; } - _film_size = _out_size; - _film_size.width -= _display_frame_x * 2; + 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 (_video_position.seconds() * fps) + 1)); + _timecode->SetLabel (time_to_timecode (_video_position, fps)); +} - /* Catch silly values */ - if (_out_size.width < 64) { - _out_size.width = 64; +void +FilmViewer::active_jobs_changed (optional j) +{ + /* examine content is the only job which stops the viewer working */ + bool const a = !j || *j != "examine_content"; + _slider->Enable (a); + _play_button->Enable (a); +} + +DCPTime +FilmViewer::nudge_amount (wxMouseEvent& 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::play_clicked (wxCommandEvent &) +FilmViewer::go_to (DCPTime t) { - check_play_state (); + if (t < DCPTime ()) { + t = DCPTime (); + } + + if (t >= _film->length ()) { + t = _film->length (); + } + + seek (t, true); + update_position_label (); + update_position_slider (); } void -FilmViewer::check_play_state () +FilmViewer::back_clicked (wxMouseEvent& ev) { - if (!_film) { + go_to (_video_position - nudge_amount (ev)); + ev.Skip (); +} + +void +FilmViewer::forward_clicked (wxMouseEvent& ev) +{ + go_to (_video_position + nudge_amount (ev)); + ev.Skip (); +} + +void +FilmViewer::player_changed (bool frequent) +{ + if (frequent) { return; } - - if (_play_button->GetValue()) { - _timer.Start (1000 / _film->source_frame_rate()); - } else { - _timer.Stop (); + + if (_coalesce_player_changes) { + _pending_player_change = true; + return; } + + calculate_sizes (); + refresh (); + update_position_label (); + update_position_slider (); } void -FilmViewer::process_video (shared_ptr image, bool, shared_ptr sub, double t) +FilmViewer::setup_sensitivity () { - _raw_frame = image; - _raw_sub = sub; + bool const c = _film && !_film->content().empty (); + + _slider->Enable (c); + _back_button->Enable (c); + _forward_button->Enable (c); + _play_button->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); + } - raw_to_display (); + _left_eye->Enable (c && _film->three_d ()); + _right_eye->Enable (c && _film->three_d ()); +} - _got_frame = true; +void +FilmViewer::film_changed (Film::Property p) +{ + if (p == Film::CONTENT || p == Film::THREE_D) { + setup_sensitivity (); + } +} - double const fps = _decoders.video->frames_per_second (); - _frame->SetLabel (wxString::Format (wxT("%d"), int (rint (t * fps)))); +/** Re-get the current frame */ +void +FilmViewer::refresh () +{ + seek (_video_position, _last_seek_accurate); +} - double w = t; - int const h = (w / 3600); - w -= h * 3600; - int const m = (w / 60); - w -= m * 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)); +void +FilmViewer::set_position (DCPTime p) +{ + _video_position = p; + seek (p, true); + update_position_label (); + update_position_slider (); } void -FilmViewer::get_frame () +FilmViewer::set_coalesce_player_changes (bool c) { - /* Clear our raw frame in case we don't get a new one */ - _raw_frame.reset (); + _coalesce_player_changes = c; - if (_decoders.video == 0) { - _display_frame.reset (); - return; + if (c) { + _pending_player_change = false; + } else { + if (_pending_player_change) { + player_changed (false); + } } +} - try { - _got_frame = false; - while (!_got_frame) { - if (_decoders.video->pass ()) { - /* We didn't get a frame before the decoder gave up, - so clear our display frame. - */ - _display_frame.reset (); - break; - } - } - } 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())); +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::active_jobs_changed (bool a) +FilmViewer::frame_number_clicked () { - if (a) { - list > jobs = JobManager::instance()->get (); - list >::iterator i = jobs.begin (); - while (i != jobs.end() && boost::dynamic_pointer_cast (*i) == 0) { - ++i; - } - - if (i == jobs.end() || (*i)->finished()) { - /* no examine content job running, so we're ok to use the viewer */ - a = false; - } + PlayheadToFrameDialog* dialog = new PlayheadToFrameDialog (this, _film->video_frame_rate ()); + if (dialog->ShowModal() == wxID_OK) { + go_to (dialog->get ()); } - - _slider->Enable (!a); - _play_button->Enable (!a); + dialog->Destroy (); } void -FilmViewer::back_clicked (wxCommandEvent &) +FilmViewer::jump_to_selected_clicked () { - if (!_decoders.video) { + Config::instance()->set_jump_to_selected (_jump_to_selected->GetValue ()); +} + +void +FilmViewer::seek (DCPTime t, bool accurate) +{ + if (!_butler) { return; } - - _decoders.video->seek_back (); - get_frame (); - _panel->Refresh (); - _panel->Update (); + + bool const was_running = stop (); + + _butler->seek (t, accurate); + _last_seek_accurate = accurate; + get (); + + if (was_running) { + start (); + } } void -FilmViewer::forward_clicked (wxCommandEvent &) +FilmViewer::config_changed (Config::Property p) { - if (!_decoders.video) { + if (p != Config::SOUND && p != Config::SOUND_OUTPUT) { return; } - _decoders.video->seek_forward (); - get_frame (); - _panel->Refresh (); - _panel->Update (); + if (_audio.isStreamOpen ()) { + _audio.closeStream (); + } + + if (Config::instance()->sound()) { + 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, + wxString::Format (_("Could not set up audio output (%s). There will be no audio during the preview."), e.what()) + ); + } + recreate_butler (); + + } else { + _audio_channels = 0; + recreate_butler (); + } +} + +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) +{ + _butler->get_audio (reinterpret_cast (out_p), frames); + + 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); + } +} + +DCPTime +FilmViewer::one_video_frame () const +{ + return DCPTime::from_frames (1, _film->video_frame_rate()); }