Small bits of tidying up.

[dcpomatic.git] / src / lib / video_content.cc

diff --git a/src/lib/video_content.cc b/src/lib/video_content.cc
index 9fb2b9bce8f3a4c12860ee6bae4ab00e8b2ef59f..819333227a6e42c4a52d41a807cb338ddce45f48 100644 (file)
--- a/src/lib/video_content.cc
+++ b/src/lib/video_content.cc
@@ -17,36 +17,60 @@
 
 */
 
+#include <iomanip>
 #include <libcxml/cxml.h>
 #include "video_content.h"
-#include "video_decoder.h"
+#include "video_examiner.h"
+#include "ratio.h"
+#include "compose.hpp"
 
 #include "i18n.h"
 
-int const VideoContentProperty::VIDEO_LENGTH = 0;
-int const VideoContentProperty::VIDEO_SIZE = 1;
-int const VideoContentProperty::VIDEO_FRAME_RATE = 2;
+int const VideoContentProperty::VIDEO_SIZE      = 0;
+int const VideoContentProperty::VIDEO_FRAME_RATE = 1;
+int const VideoContentProperty::VIDEO_CROP      = 2;
+int const VideoContentProperty::VIDEO_RATIO     = 3;
 
 using std::string;
 using std::stringstream;
 using std::setprecision;
 using boost::shared_ptr;
 using boost::lexical_cast;
+using boost::optional;
 
-VideoContent::VideoContent (boost::filesystem::path f)
-       : Content (f)
+VideoContent::VideoContent (shared_ptr<const Film> f, Time s, VideoContent::Frame len)
+       : Content (f, s)
+       , _video_length (len)
+       , _video_frame_rate (0)
+       , _ratio (Ratio::from_id ("185"))
+{
+
+}
+
+VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p)
+       : Content (f, p)
        , _video_length (0)
+       , _video_frame_rate (0)
+       , _ratio (Ratio::from_id ("185"))
 {
 
 }
 
-VideoContent::VideoContent (shared_ptr<const cxml::Node> node)
-       : Content (node)
+VideoContent::VideoContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+       : Content (f, node)
 {
-       _video_length = node->number_child<ContentVideoFrame> ("VideoLength");
+       _video_length = node->number_child<VideoContent::Frame> ("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");
+       _crop.left = node->number_child<int> ("LeftCrop");
+       _crop.right = node->number_child<int> ("RightCrop");
+       _crop.top = node->number_child<int> ("TopCrop");
+       _crop.bottom = node->number_child<int> ("BottomCrop");
+       optional<string> r = node->optional_string_child ("Ratio");
+       if (r) {
+               _ratio = Ratio::from_id (r.get ());
+       }
 }
 
 VideoContent::VideoContent (VideoContent const & o)
@@ -54,6 +78,7 @@ VideoContent::VideoContent (VideoContent const & o)
        , _video_length (o._video_length)
        , _video_size (o._video_size)
        , _video_frame_rate (o._video_frame_rate)
+       , _ratio (o._ratio)
 {
 
 }
@@ -66,13 +91,20 @@ VideoContent::as_xml (xmlpp::Node* node) const
        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("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));
+       if (_ratio) {
+               node->add_child("Ratio")->add_child_text (_ratio->id ());
+       }
 }
 
 void
-VideoContent::take_from_video_decoder (shared_ptr<VideoDecoder> d)
+VideoContent::take_from_video_examiner (shared_ptr<VideoExaminer> d)
 {
-       /* These decoder calls could call other content methods which take a lock on the mutex */
-       libdcp::Size const vs = d->native_size ();
+       /* These examiner calls could call other content methods which take a lock on the mutex */
+       libdcp::Size const vs = d->video_size ();
        float const vfr = d->video_frame_rate ();
        
         {
@@ -104,3 +136,97 @@ VideoContent::information () const
        
        return s.str ();
 }
+
+void
+VideoContent::set_left_crop (int c)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               
+               if (_crop.left == c) {
+                       return;
+               }
+               
+               _crop.left = c;
+       }
+       
+       signal_changed (VideoContentProperty::VIDEO_CROP);
+}
+
+void
+VideoContent::set_right_crop (int c)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               if (_crop.right == c) {
+                       return;
+               }
+               
+               _crop.right = c;
+       }
+       
+       signal_changed (VideoContentProperty::VIDEO_CROP);
+}
+
+void
+VideoContent::set_top_crop (int c)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               if (_crop.top == c) {
+                       return;
+               }
+               
+               _crop.top = c;
+       }
+       
+       signal_changed (VideoContentProperty::VIDEO_CROP);
+}
+
+void
+VideoContent::set_bottom_crop (int c)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               if (_crop.bottom == c) {
+                       return;
+               }
+               
+               _crop.bottom = c;
+       }
+
+       signal_changed (VideoContentProperty::VIDEO_CROP);
+}
+
+void
+VideoContent::set_ratio (Ratio const * r)
+{
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               if (_ratio == r) {
+                       return;
+               }
+
+               _ratio = r;
+       }
+
+       signal_changed (VideoContentProperty::VIDEO_RATIO);
+}
+
+/** @return string which includes everything about how this content looks */
+string
+VideoContent::identifier () const
+{
+       stringstream s;
+       s << Content::digest()
+         << "_" << crop().left
+         << "_" << crop().right
+         << "_" << crop().top
+         << "_" << crop().bottom;
+
+       if (ratio()) {
+               s << "_" << ratio()->id ();
+       }
+
+       return s.str ();
+}