X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fvideo_content.cc;h=05f5c538eee2a81c6344f603ab2bfa3e60dfd2cb;hb=04533b9cf34ce8089113015715083ee9c5b2b001;hp=9edbc104a92d3daa77a0a19b46dd18d55317c14e;hpb=cfdd68eb5fb0ef8423e860103ad4e5510994f1da;p=dcpomatic.git

diff --git a/src/lib/video_content.cc b/src/lib/video_content.cc
index 9edbc104a..05f5c538e 100644
--- a/src/lib/video_content.cc
+++ b/src/lib/video_content.cc
@@ -20,6 +20,7 @@
 #include <iomanip>
 #include <libcxml/cxml.h>
 #include <dcp/colour_matrix.h>
+#include <dcp/raw_convert.h>
 #include "video_content.h"
 #include "video_examiner.h"
 #include "compose.hpp"
@@ -29,6 +30,7 @@
 #include "util.h"
 #include "film.h"
 #include "exceptions.h"
+#include "frame_rate_change.h"
 
 #include "i18n.h"
 
@@ -44,10 +46,12 @@ using std::stringstream;
 using std::setprecision;
 using std::cout;
 using std::vector;
+using std::min;
+using std::max;
 using boost::shared_ptr;
-using boost::lexical_cast;
 using boost::optional;
 using boost::dynamic_pointer_cast;
+using dcp::raw_convert;
 
 vector<VideoContentScale> VideoContentScale::_scales;
 
@@ -81,13 +85,20 @@ VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p)
 	setup_default_colour_conversion ();
 }
 
-VideoContent::VideoContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
+VideoContent::VideoContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
 	: Content (f, node)
 {
-	_video_length = ContentTime (node->number_child<int64_t> ("VideoLength"));
 	_video_size.width = node->number_child<int> ("VideoWidth");
 	_video_size.height = node->number_child<int> ("VideoHeight");
 	_video_frame_rate = node->number_child<float> ("VideoFrameRate");
+
+	if (version < 32) {
+		/* DCP-o-matic 1.0 branch */
+		_video_length = ContentTime::from_frames (node->number_child<int64_t> ("VideoLength"), _video_frame_rate);
+	} else {
+		_video_length = ContentTime (node->number_child<int64_t> ("VideoLength"));
+	}
+	
 	_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");
@@ -155,15 +166,12 @@ void
 VideoContent::as_xml (xmlpp::Node* node) const
 {
 	boost::mutex::scoped_lock lm (_mutex);
-	node->add_child("VideoLength")->add_child_text (lexical_cast<string> (_video_length.get ()));
-	node->add_child("VideoWidth")->add_child_text (lexical_cast<string> (_video_size.width));
-	node->add_child("VideoHeight")->add_child_text (lexical_cast<string> (_video_size.height));
-	node->add_child("VideoFrameRate")->add_child_text (lexical_cast<string> (_video_frame_rate));
-	node->add_child("VideoFrameType")->add_child_text (lexical_cast<string> (static_cast<int> (_video_frame_type)));
-	node->add_child("LeftCrop")->add_child_text (boost::lexical_cast<string> (_crop.left));
-	node->add_child("RightCrop")->add_child_text (boost::lexical_cast<string> (_crop.right));
-	node->add_child("TopCrop")->add_child_text (boost::lexical_cast<string> (_crop.top));
-	node->add_child("BottomCrop")->add_child_text (boost::lexical_cast<string> (_crop.bottom));
+	node->add_child("VideoLength")->add_child_text (raw_convert<string> (_video_length.get ()));
+	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("VideoFrameType")->add_child_text (raw_convert<string> (static_cast<int> (_video_frame_type)));
+	_crop.as_xml (node);
 	_scale.as_xml (node->add_child("Scale"));
 	_colour_conversion.as_xml (node->add_child("ColourConversion"));
 }
@@ -374,6 +382,32 @@ VideoContent::dcp_time_to_content_time (DCPTime t) const
 	return ContentTime (t, FrameRateChange (video_frame_rate(), film->video_frame_rate()));
 }
 
+void
+VideoContent::scale_and_crop_to_fit_width ()
+{
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
+
+	set_scale (VideoContentScale (film->container ()));
+
+	int const crop = max (0, int (video_size().height - double (film->frame_size().height) * video_size().width / film->frame_size().width));
+	set_top_crop (crop / 2);
+	set_bottom_crop (crop / 2);
+}
+
+void
+VideoContent::scale_and_crop_to_fit_height ()
+{
+	shared_ptr<const Film> film = _film.lock ();
+	assert (film);
+
+	set_scale (VideoContentScale (film->container ()));
+
+	int const crop = max (0, int (video_size().width - double (film->frame_size().width) * video_size().height / film->frame_size().height));
+	set_left_crop (crop / 2);
+	set_right_crop (crop / 2);
+}
+
 VideoContentScale::VideoContentScale (Ratio const * r)
 	: _ratio (r)
 	, _scale (true)
@@ -395,7 +429,7 @@ VideoContentScale::VideoContentScale (bool scale)
 
 }
 
-VideoContentScale::VideoContentScale (shared_ptr<cxml::Node> node)
+VideoContentScale::VideoContentScale (cxml::NodePtr node)
 	: _ratio (0)
 	, _scale (true)
 {