Remove a couple of uses of ofstream.

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

diff --git a/src/lib/video_content.cc b/src/lib/video_content.cc
index af0c3e12c08022fed68969c97f817ada684f3cc4..d0eab4dbf93f870344b7c34228ed14d7813ad26d 100644 (file)
--- a/src/lib/video_content.cc
+++ b/src/lib/video_content.cc
@@ -26,6 +26,8 @@
 #include "compose.hpp"
 #include "config.h"
 #include "colour_conversion.h"
+#include "util.h"
+#include "film.h"
 
 #include "i18n.h"
 
@@ -66,6 +68,7 @@ VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p)
 
 VideoContent::VideoContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
        : Content (f, node)
+       , _ratio (0)
 {
        _video_length = node->number_child<VideoContent::Frame> ("VideoLength");
        _video_size.width = node->number_child<int> ("VideoWidth");
@@ -139,7 +142,7 @@ VideoContent::information () const
                _("%1x%2 pixels (%3:1)"),
                video_size().width,
                video_size().height,
-               setprecision (3), float (video_size().width) / video_size().height
+               setprecision (3), video_size().ratio ()
                );
        
        return s.str ();
@@ -226,7 +229,7 @@ string
 VideoContent::identifier () const
 {
        stringstream s;
-       s << Content::digest()
+       s << Content::identifier()
          << "_" << crop().left
          << "_" << crop().right
          << "_" << crop().top
@@ -281,3 +284,28 @@ VideoContent::set_colour_conversion (ColourConversion c)
 
        signal_changed (VideoContentProperty::COLOUR_CONVERSION);
 }
+
+/** @return Video size after 3D split and crop */
+libdcp::Size
+VideoContent::video_size_after_crop () const
+{
+       return crop().apply (video_size_after_3d_split ());
+}
+
+/** @param t A time offset from the start of this piece of content.
+ *  @return Corresponding frame index.
+ */
+VideoContent::Frame
+VideoContent::time_to_content_video_frames (Time t) const
+{
+       shared_ptr<const Film> film = _film.lock ();
+       assert (film);
+       
+       FrameRateConversion frc (video_frame_rate(), film->video_frame_rate());
+
+       /* Here we are converting from time (in the DCP) to a frame number in the content.
+          Hence we need to use the DCP's frame rate and the double/skip correction, not
+          the source's rate.
+       */
+       return t * film->video_frame_rate() / (frc.factor() * TIME_HZ);
+}