int const VideoContentProperty::VIDEO_CROP = 3;
int const VideoContentProperty::VIDEO_SCALE = 4;
int const VideoContentProperty::COLOUR_CONVERSION = 5;
+int const VideoContentProperty::VIDEO_FADE_IN = 6;
+int const VideoContentProperty::VIDEO_FADE_OUT = 7;
using std::string;
using std::setprecision;
using std::vector;
using std::min;
using std::max;
+using std::stringstream;
+using std::fixed;
+using std::setprecision;
using boost::shared_ptr;
using boost::optional;
using boost::dynamic_pointer_cast;
, _video_length (0)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
- , _scale (Config::instance()->default_scale ())
+ , _scale (VideoContentScale (Ratio::from_id ("178")))
{
- setup_default_colour_conversion ();
+ set_default_colour_conversion (false);
}
VideoContent::VideoContent (shared_ptr<const Film> f, DCPTime s, ContentTime len)
, _video_length (len)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
- , _scale (Config::instance()->default_scale ())
+ , _scale (VideoContentScale (Ratio::from_id ("178")))
{
- setup_default_colour_conversion ();
+ set_default_colour_conversion (false);
}
VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p)
, _video_length (0)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
- , _scale (Config::instance()->default_scale ())
+ , _scale (VideoContentScale (Ratio::from_id ("178")))
{
- setup_default_colour_conversion ();
+ set_default_colour_conversion (false);
}
VideoContent::VideoContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
}
_video_frame_type = static_cast<VideoFrameType> (node->number_child<int> ("VideoFrameType"));
+ _sample_aspect_ratio = node->optional_number_child<float> ("SampleAspectRatio");
_crop.left = node->number_child<int> ("LeftCrop");
_crop.right = node->number_child<int> ("RightCrop");
_crop.top = node->number_child<int> ("TopCrop");
} else {
_scale = VideoContentScale (node->node_child ("Scale"));
}
+
- _colour_conversion = ColourConversion (node->node_child ("ColourConversion"));
+ if (node->optional_node_child ("ColourConversion")) {
+ _colour_conversion = ColourConversion (node->node_child ("ColourConversion"));
+ }
+ if (version >= 32) {
+ _fade_in = ContentTime (node->number_child<int64_t> ("FadeIn"));
+ _fade_out = ContentTime (node->number_child<int64_t> ("FadeOut"));
+ }
}
VideoContent::VideoContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
throw JoinError (_("Content to be joined must have the same colour conversion."));
}
+ if (vc->fade_in() != ref->fade_in() || vc->fade_out() != ref->fade_out()) {
+ throw JoinError (_("Content to be joined must have the same fades."));
+ }
+
_video_length += vc->video_length ();
}
_crop = ref->crop ();
_scale = ref->scale ();
_colour_conversion = ref->colour_conversion ();
+ _fade_in = ref->fade_in ();
+ _fade_out = ref->fade_out ();
}
void
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)));
+ if (_sample_aspect_ratio) {
+ node->add_child("SampleAspectRatio")->add_child_text (raw_convert<string> (_sample_aspect_ratio.get ()));
+ }
_crop.as_xml (node);
_scale.as_xml (node->add_child("Scale"));
- _colour_conversion.as_xml (node->add_child("ColourConversion"));
+ if (_colour_conversion) {
+ _colour_conversion.get().as_xml (node->add_child("ColourConversion"));
+ }
+ node->add_child("FadeIn")->add_child_text (raw_convert<string> (_fade_in.get ()));
+ node->add_child("FadeOut")->add_child_text (raw_convert<string> (_fade_out.get ()));
}
void
-VideoContent::setup_default_colour_conversion ()
+VideoContent::set_default_colour_conversion (bool signal)
{
- _colour_conversion = PresetColourConversion (_("sRGB"), 2.4, true, dcp::colour_matrix::srgb_to_xyz, 2.6).conversion;
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _colour_conversion = PresetColourConversion (_("sRGB"), 2.4, true, dcp::colour_matrix::srgb_to_xyz, 2.6).conversion;
+ }
+
+ if (signal) {
+ signal_changed (VideoContentProperty::COLOUR_CONVERSION);
+ }
}
void
{
/* These examiner calls could call other content methods which take a lock on the mutex */
dcp::Size const vs = d->video_size ();
- float const vfr = d->video_frame_rate ();
+ optional<float> const vfr = d->video_frame_rate ();
ContentTime vl = d->video_length ();
+ optional<float> const ar = d->sample_aspect_ratio ();
{
boost::mutex::scoped_lock lm (_mutex);
_video_size = vs;
- _video_frame_rate = vfr;
+ if (vfr) {
+ _video_frame_rate = vfr.get ();
+ }
_video_length = vl;
+ _sample_aspect_ratio = ar;
+
+ /* Guess correct scale from size and sample aspect ratio */
+ _scale = VideoContentScale (
+ Ratio::nearest_from_ratio (float (_video_size.width) * ar.get_value_or (1) / _video_size.height)
+ );
}
shared_ptr<const Film> film = _film.lock ();
signal_changed (VideoContentProperty::VIDEO_SIZE);
signal_changed (VideoContentProperty::VIDEO_FRAME_RATE);
+ signal_changed (VideoContentProperty::VIDEO_SCALE);
signal_changed (ContentProperty::LENGTH);
}
video_size().height,
setprecision (3), video_size().ratio ()
);
+
+ if (sample_aspect_ratio ()) {
+ s << String::compose (_(" sample aspect ratio %1:1"), sample_aspect_ratio().get ());
+ }
return s.str ();
}
<< "_" << crop().right
<< "_" << crop().top
<< "_" << crop().bottom
- << "_" << scale().id()
- << "_" << colour_conversion().identifier ();
+ << "_" << scale().id();
+
+ if (colour_conversion()) {
+ s << "_" << colour_conversion().get().identifier ();
+ }
return s.str ();
}
string
VideoContent::technical_summary () const
{
- return String::compose (
+ string s = String::compose (
"video: length %1, size %2x%3, rate %4",
video_length_after_3d_combine().seconds(),
video_size().width,
video_size().height,
video_frame_rate()
);
+
+ if (sample_aspect_ratio ()) {
+ s += String::compose (_(", sample aspect ratio %1"), (sample_aspect_ratio().get ()));
+ }
+
+ return s;
}
dcp::Size
assert (false);
}
+void
+VideoContent::unset_colour_conversion ()
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _colour_conversion = boost::optional<ColourConversion> ();
+ }
+
+ signal_changed (VideoContentProperty::COLOUR_CONVERSION);
+}
+
void
VideoContent::set_colour_conversion (ColourConversion c)
{
signal_changed (VideoContentProperty::COLOUR_CONVERSION);
}
+void
+VideoContent::set_fade_in (ContentTime t)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _fade_in = t;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_FADE_IN);
+}
+
+void
+VideoContent::set_fade_out (ContentTime t)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _fade_out = t;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_FADE_OUT);
+}
+
/** @return Video size after 3D split and crop */
dcp::Size
VideoContent::video_size_after_crop () const
signal_changed (VideoContentProperty::VIDEO_FRAME_RATE);
}
+optional<float>
+VideoContent::fade (VideoFrame f) const
+{
+ assert (f >= 0);
+
+ if (f < fade_in().frames (video_frame_rate ())) {
+ return float (f) / _fade_in.frames (video_frame_rate ());
+ }
+
+ VideoFrame fade_out_start = ContentTime (video_length() - fade_out()).frames (video_frame_rate ());
+ if (f >= fade_out_start) {
+ return 1 - float (f - fade_out_start) / fade_out().frames (video_frame_rate ());
+ }
+
+ return optional<float> ();
+}
+
+string
+VideoContent::processing_description () const
+{
+ /* stringstream is OK here as this string is just for presentation to the user */
+ stringstream d;
+
+ if (video_size().width && video_size().height) {
+ d << String::compose (
+ _("Content video is %1x%2"),
+ video_size_after_3d_split().width,
+ video_size_after_3d_split().height
+ );
+
+ d << " (" << fixed << setprecision(2) << video_size_after_3d_split().ratio() << ":1)\n";
+ }
+
+ if ((crop().left || crop().right || crop().top || crop().bottom) && video_size() != dcp::Size (0, 0)) {
+ dcp::Size cropped = video_size_after_crop ();
+ d << String::compose (
+ _("Cropped to %1x%2"),
+ cropped.width, cropped.height
+ );
+
+ d << " (" << fixed << setprecision(2) << cropped.ratio () << ":1)\n";
+ }
+
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ dcp::Size const container_size = film->frame_size ();
+ dcp::Size const scaled = scale().size (dynamic_pointer_cast<const VideoContent> (shared_from_this ()), container_size, container_size, 1);
+
+ if (scaled != video_size_after_crop ()) {
+ d << String::compose (
+ _("Scaled to %1x%2"),
+ scaled.width, scaled.height
+ );
+
+ d << " (" << fixed << setprecision(2) << scaled.ratio() << ":1)\n";
+ }
+
+ if (scaled != container_size) {
+ d << String::compose (
+ _("Padded with black to %1x%2"),
+ container_size.width, container_size.height
+ );
+
+ d << " (" << fixed << setprecision(2) << container_size.ratio () << ":1)\n";
+ }
+
+ d << _("Content frame rate");
+ d << " " << fixed << setprecision(4) << video_frame_rate() << "\n";
+
+ FrameRateChange frc (video_frame_rate(), film->video_frame_rate ());
+ d << frc.description () << "\n";
+
+ return d.str ();
+}