diff options
Diffstat (limited to 'src/lib/video_content.cc')
| -rw-r--r-- | src/lib/video_content.cc | 141 |
1 files changed, 13 insertions, 128 deletions
diff --git a/src/lib/video_content.cc b/src/lib/video_content.cc index 676a694da..13f2cf516 100644 --- a/src/lib/video_content.cc +++ b/src/lib/video_content.cc @@ -31,6 +31,7 @@ #include "film.h" #include "exceptions.h" #include "frame_rate_change.h" +#include "safe_stringstream.h" #include "i18n.h" @@ -42,7 +43,6 @@ int const VideoContentProperty::VIDEO_SCALE = 4; int const VideoContentProperty::COLOUR_CONVERSION = 5; using std::string; -using std::stringstream; using std::setprecision; using std::cout; using std::vector; @@ -53,14 +53,13 @@ using boost::optional; using boost::dynamic_pointer_cast; using libdcp::raw_convert; -vector<VideoContentScale> VideoContentScale::_scales; - VideoContent::VideoContent (shared_ptr<const Film> f) : Content (f) , _video_length (0) + , _original_video_frame_rate (0) , _video_frame_rate (0) , _video_frame_type (VIDEO_FRAME_TYPE_2D) - , _scale (Ratio::from_id ("185")) + , _scale (Config::instance()->default_scale ()) { setup_default_colour_conversion (); } @@ -68,9 +67,10 @@ VideoContent::VideoContent (shared_ptr<const Film> f) VideoContent::VideoContent (shared_ptr<const Film> f, Time s, VideoContent::Frame len) : Content (f, s) , _video_length (len) + , _original_video_frame_rate (0) , _video_frame_rate (0) , _video_frame_type (VIDEO_FRAME_TYPE_2D) - , _scale (Ratio::from_id ("185")) + , _scale (Config::instance()->default_scale ()) { setup_default_colour_conversion (); } @@ -78,9 +78,10 @@ VideoContent::VideoContent (shared_ptr<const Film> f, Time s, VideoContent::Fram VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p) : Content (f, p) , _video_length (0) + , _original_video_frame_rate (0) , _video_frame_rate (0) , _video_frame_type (VIDEO_FRAME_TYPE_2D) - , _scale (Ratio::from_id ("185")) + , _scale (Config::instance()->default_scale ()) { setup_default_colour_conversion (); } @@ -92,6 +93,7 @@ VideoContent::VideoContent (shared_ptr<const Film> f, shared_ptr<const cxml::Nod _video_size.width = node->number_child<int> ("VideoWidth"); _video_size.height = node->number_child<int> ("VideoHeight"); _video_frame_rate = node->number_child<float> ("VideoFrameRate"); + _original_video_frame_rate = node->optional_number_child<float> ("OriginalVideoFrameRate").get_value_or (_video_frame_rate); _video_frame_type = static_cast<VideoFrameType> (node->number_child<int> ("VideoFrameType")); _crop.left = node->number_child<int> ("LeftCrop"); _crop.right = node->number_child<int> ("RightCrop"); @@ -148,6 +150,7 @@ VideoContent::VideoContent (shared_ptr<const Film> f, vector<shared_ptr<Content> } _video_size = ref->video_size (); + _original_video_frame_rate = ref->original_video_frame_rate (); _video_frame_rate = ref->video_frame_rate (); _video_frame_type = ref->video_frame_type (); _crop = ref->crop (); @@ -163,6 +166,7 @@ VideoContent::as_xml (xmlpp::Node* node) const node->add_child("VideoWidth")->add_child_text (raw_convert<string> (_video_size.width)); node->add_child("VideoHeight")->add_child_text (raw_convert<string> (_video_size.height)); node->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate)); + node->add_child("OriginalVideoFrameRate")->add_child_text (raw_convert<string> (_original_video_frame_rate)); node->add_child("VideoFrameType")->add_child_text (raw_convert<string> (static_cast<int> (_video_frame_type))); _crop.as_xml (node); _scale.as_xml (node->add_child("Scale")); @@ -186,6 +190,7 @@ VideoContent::take_from_video_examiner (shared_ptr<VideoExaminer> d) boost::mutex::scoped_lock lm (_mutex); _video_size = vs; _video_frame_rate = vfr; + _original_video_frame_rate = vfr; } signal_changed (VideoContentProperty::VIDEO_SIZE); @@ -200,7 +205,7 @@ VideoContent::information () const return ""; } - stringstream s; + SafeStringStream s; s << String::compose ( _("%1x%2 pixels (%3:1)"), @@ -292,7 +297,7 @@ VideoContent::set_scale (VideoContentScale s) string VideoContent::identifier () const { - stringstream s; + SafeStringStream s; s << Content::identifier() << "_" << crop().left << "_" << crop().right @@ -420,123 +425,3 @@ VideoContent::set_video_frame_rate (float r) signal_changed (VideoContentProperty::VIDEO_FRAME_RATE); } -VideoContentScale::VideoContentScale (Ratio const * r) - : _ratio (r) - , _scale (true) -{ - -} - -VideoContentScale::VideoContentScale () - : _ratio (0) - , _scale (false) -{ - -} - -VideoContentScale::VideoContentScale (bool scale) - : _ratio (0) - , _scale (scale) -{ - -} - -VideoContentScale::VideoContentScale (shared_ptr<cxml::Node> node) - : _ratio (0) - , _scale (true) -{ - optional<string> r = node->optional_string_child ("Ratio"); - if (r) { - _ratio = Ratio::from_id (r.get ()); - } else { - _scale = node->bool_child ("Scale"); - } -} - -void -VideoContentScale::as_xml (xmlpp::Node* node) const -{ - if (_ratio) { - node->add_child("Ratio")->add_child_text (_ratio->id ()); - } else { - node->add_child("Scale")->add_child_text (_scale ? "1" : "0"); - } -} - -string -VideoContentScale::id () const -{ - stringstream s; - - if (_ratio) { - s << _ratio->id () << "_"; - } else { - s << (_scale ? "S1" : "S0"); - } - - return s.str (); -} - -string -VideoContentScale::name () const -{ - if (_ratio) { - return _ratio->nickname (); - } - - if (_scale) { - return _("No stretch"); - } - - return _("No scale"); -} - -/** @param display_container Size of the container that we are displaying this content in. - * @param film_container The size of the film's image. - */ -libdcp::Size -VideoContentScale::size (shared_ptr<const VideoContent> c, libdcp::Size display_container, libdcp::Size film_container) const -{ - if (_ratio) { - return fit_ratio_within (_ratio->ratio (), display_container); - } - - libdcp::Size const ac = c->video_size_after_crop (); - - /* Force scale if the film_container is smaller than the content's image */ - if (_scale || film_container.width < ac.width || film_container.height < ac.height) { - return fit_ratio_within (ac.ratio (), display_container); - } - - /* Scale the image so that it will be in the right place in film_container, even if display_container is a - different size. - */ - return libdcp::Size ( - c->video_size().width * float(display_container.width) / film_container.width, - c->video_size().height * float(display_container.height) / film_container.height - ); -} - -void -VideoContentScale::setup_scales () -{ - vector<Ratio const *> ratios = Ratio::all (); - for (vector<Ratio const *>::const_iterator i = ratios.begin(); i != ratios.end(); ++i) { - _scales.push_back (VideoContentScale (*i)); - } - - _scales.push_back (VideoContentScale (true)); - _scales.push_back (VideoContentScale (false)); -} - -bool -operator== (VideoContentScale const & a, VideoContentScale const & b) -{ - return (a.ratio() == b.ratio() && a.scale() == b.scale()); -} - -bool -operator!= (VideoContentScale const & a, VideoContentScale const & b) -{ - return (a.ratio() != b.ratio() || a.scale() != b.scale()); -} |
