Take Film pointer out of Content.

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

diff --git a/src/lib/video_content.cc b/src/lib/video_content.cc
index 36438fc2a9041f34ec31027fd4c76ffb5f541746..15445a68a4c7ea0a5e564b2fcd6fc52d4a9739b0 100644 (file)
--- a/src/lib/video_content.cc
+++ b/src/lib/video_content.cc
@@ -38,7 +38,7 @@
 
 #include "i18n.h"
 
-#define LOG_GENERAL(...) _parent->film()->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
+#define LOG_GENERAL(...) dcpomatic_log->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
 
 int const VideoContentProperty::SIZE     = 0;
 int const VideoContentProperty::FRAME_TYPE  = 1;
@@ -234,6 +234,10 @@ VideoContent::take_from_examiner (shared_ptr<VideoExaminer> d)
        optional<double> const ar = d->sample_aspect_ratio ();
        bool const yuv = d->yuv ();
 
+       ChangeSignaller<Content> cc1 (_parent, VideoContentProperty::SIZE);
+       ChangeSignaller<Content> cc2 (_parent, VideoContentProperty::SCALE);
+       ChangeSignaller<Content> cc3 (_parent, ContentProperty::LENGTH);
+
        {
                boost::mutex::scoped_lock lm (_mutex);
                _size = vs;
@@ -241,10 +245,14 @@ VideoContent::take_from_examiner (shared_ptr<VideoExaminer> d)
                _sample_aspect_ratio = ar;
                _yuv = yuv;
 
-               /* Guess correct scale from size and sample aspect ratio */
-               _scale = VideoContentScale (
-                       Ratio::nearest_from_ratio (double (_size.width) * ar.get_value_or (1) / _size.height)
-                       );
+               if (Config::instance()->default_scale_to ()) {
+                       _scale = VideoContentScale (Config::instance()->default_scale_to ());
+               } else {
+                       /* Guess correct scale from size and sample aspect ratio */
+                       _scale = VideoContentScale (
+                               Ratio::nearest_from_ratio (double (_size.width) * ar.get_value_or (1) / _size.height)
+                               );
+               }
        }
 
        LOG_GENERAL ("Video length obtained from header as %1 frames", _length);
@@ -252,10 +260,6 @@ VideoContent::take_from_examiner (shared_ptr<VideoExaminer> d)
        if (d->video_frame_rate()) {
                _parent->set_video_frame_rate (d->video_frame_rate().get());
        }
-
-       _parent->signal_changed (VideoContentProperty::SIZE);
-       _parent->signal_changed (VideoContentProperty::SCALE);
-       _parent->signal_changed (ContentProperty::LENGTH);
 }
 
 /** @return string which includes everything about how this content looks */
@@ -328,10 +332,9 @@ VideoContent::size_after_crop () const
 }
 
 void
-VideoContent::scale_and_crop_to_fit_width ()
+VideoContent::scale_and_crop_to_fit_width (shared_ptr<const Film> film)
 {
-       shared_ptr<const Film> film = _parent->film ();
-       set_scale (VideoContentScale (film->container ()));
+       set_scale (VideoContentScale(film->container()));
 
        int const crop = max (0, int (size().height - double (film->frame_size().height) * size().width / film->frame_size().width));
        set_left_crop (0);
@@ -341,10 +344,9 @@ VideoContent::scale_and_crop_to_fit_width ()
 }
 
 void
-VideoContent::scale_and_crop_to_fit_height ()
+VideoContent::scale_and_crop_to_fit_height (shared_ptr<const Film> film)
 {
-       shared_ptr<const Film> film = _parent->film ();
-       set_scale (VideoContentScale (film->container ()));
+       set_scale (VideoContentScale(film->container()));
 
        int const crop = max (0, int (size().width - double (film->frame_size().width) * size().height / film->frame_size().height));
        set_left_crop (crop / 2);
@@ -355,13 +357,11 @@ VideoContent::scale_and_crop_to_fit_height ()
 
 /** @param f Frame index within the whole (untrimmed) content */
 optional<double>
-VideoContent::fade (Frame f) const
+VideoContent::fade (shared_ptr<const Film> film, Frame f) const
 {
        DCPOMATIC_ASSERT (f >= 0);
 
-       shared_ptr<const Film> film = _parent->film ();
-
-       double const vfr = _parent->active_video_frame_rate ();
+       double const vfr = _parent->active_video_frame_rate(film);
 
        Frame const ts = _parent->trim_start().frames_round(vfr);
        if ((f - ts) < fade_in()) {
@@ -377,7 +377,7 @@ VideoContent::fade (Frame f) const
 }
 
 string
-VideoContent::processing_description () const
+VideoContent::processing_description (shared_ptr<const Film> film) const
 {
        string d;
        char buffer[256];
@@ -413,7 +413,6 @@ VideoContent::processing_description () const
                d += buffer;
        }
 
-       shared_ptr<const Film> film = _parent->film ();
        dcp::Size const container_size = film->frame_size ();
        dcp::Size const scaled = scale().size (shared_from_this(), container_size, container_size);
 
@@ -430,7 +429,7 @@ VideoContent::processing_description () const
        if (scaled != container_size) {
                d += String::compose (
                        _("\nPadded with black to fit container %1 (%2x%3)"),
-                       film->container()->nickname (),
+                       film->container()->container_nickname (),
                        container_size.width, container_size.height
                        );
 
@@ -525,12 +524,33 @@ VideoContent::set_fade_out (Frame t)
 }
 
 void
-VideoContent::use_template (shared_ptr<const VideoContent> c)
+VideoContent::take_settings_from (shared_ptr<const VideoContent> c)
 {
-       _colour_conversion = c->_colour_conversion;
-       _frame_type = c->_frame_type;
-       _crop = c->_crop;
-       _scale = c->_scale;
-       _fade_in = c->_fade_in;
-       _fade_out = c->_fade_out;
+       if (c->_colour_conversion) {
+               set_colour_conversion (c->_colour_conversion.get());
+       } else {
+               unset_colour_conversion ();
+       }
+       set_frame_type (c->_frame_type);
+       set_left_crop (c->_crop.left);
+       set_right_crop (c->_crop.right);
+       set_top_crop (c->_crop.top);
+       set_bottom_crop (c->_crop.bottom);
+       set_scale (c->_scale);
+       set_fade_in (c->_fade_in);
+       set_fade_out (c->_fade_out);
+}
+
+void
+VideoContent::modify_position (shared_ptr<const Film> film, DCPTime& pos) const
+{
+       pos = pos.round (film->video_frame_rate());
+}
+
+void
+VideoContent::modify_trim_start (ContentTime& trim) const
+{
+       if (_parent->video_frame_rate()) {
+               trim = trim.round (_parent->video_frame_rate().get());
+       }
 }