#include <iomanip>
#include <libcxml/cxml.h>
+#include <libdcp/colour_matrix.h>
#include "video_content.h"
#include "video_examiner.h"
#include "ratio.h"
#include "compose.hpp"
+#include "config.h"
+#include "colour_conversion.h"
+#include "util.h"
+#include "film.h"
+#include "exceptions.h"
#include "i18n.h"
-int const VideoContentProperty::VIDEO_SIZE = 0;
-int const VideoContentProperty::VIDEO_FRAME_RATE = 1;
-int const VideoContentProperty::VIDEO_FRAME_TYPE = 2;
-int const VideoContentProperty::VIDEO_CROP = 3;
-int const VideoContentProperty::VIDEO_RATIO = 4;
+int const VideoContentProperty::VIDEO_SIZE = 0;
+int const VideoContentProperty::VIDEO_FRAME_RATE = 1;
+int const VideoContentProperty::VIDEO_FRAME_TYPE = 2;
+int const VideoContentProperty::VIDEO_CROP = 3;
+int const VideoContentProperty::VIDEO_RATIO = 4;
+int const VideoContentProperty::COLOUR_CONVERSION = 5;
using std::string;
using std::stringstream;
using std::setprecision;
+using std::cout;
+using std::vector;
using boost::shared_ptr;
using boost::lexical_cast;
using boost::optional;
+using boost::dynamic_pointer_cast;
-VideoContent::VideoContent (shared_ptr<const Film> f, Time s, VideoContent::Frame len)
+VideoContent::VideoContent (shared_ptr<const Film> f)
+ : Content (f)
+ , _video_length (0)
+ , _video_frame_rate (0)
+ , _video_frame_type (VIDEO_FRAME_TYPE_2D)
+ , _ratio (Ratio::from_id ("185"))
+{
+ setup_default_colour_conversion ();
+}
+
+VideoContent::VideoContent (shared_ptr<const Film> f, DCPTime s, VideoFrame len)
: Content (f, s)
, _video_length (len)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
, _ratio (Ratio::from_id ("185"))
{
-
+ setup_default_colour_conversion ();
}
VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
, _ratio (Ratio::from_id ("185"))
{
-
+ setup_default_colour_conversion ();
}
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_length = node->number_child<VideoFrame> ("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 (r) {
_ratio = Ratio::from_id (r.get ());
}
+ _colour_conversion = ColourConversion (node->node_child ("ColourConversion"));
+}
+
+VideoContent::VideoContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
+ : Content (f, c)
+ , _video_length (0)
+{
+ shared_ptr<VideoContent> ref = dynamic_pointer_cast<VideoContent> (c[0]);
+ assert (ref);
+
+ for (size_t i = 0; i < c.size(); ++i) {
+ shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (c[i]);
+
+ if (vc->video_size() != ref->video_size()) {
+ throw JoinError (_("Content to be joined must have the same picture size."));
+ }
+
+ if (vc->video_frame_rate() != ref->video_frame_rate()) {
+ throw JoinError (_("Content to be joined must have the same video frame rate."));
+ }
+
+ if (vc->video_frame_type() != ref->video_frame_type()) {
+ throw JoinError (_("Content to be joined must have the same video frame type."));
+ }
+
+ if (vc->crop() != ref->crop()) {
+ throw JoinError (_("Content to be joined must have the same crop."));
+ }
+
+ if (vc->ratio() != ref->ratio()) {
+ throw JoinError (_("Content to be joined must have the same ratio."));
+ }
+
+ if (vc->colour_conversion() != ref->colour_conversion()) {
+ throw JoinError (_("Content to be joined must have the same colour conversion."));
+ }
+
+ _video_length += vc->video_length ();
+ }
+
+ _video_size = ref->video_size ();
+ _video_frame_rate = ref->video_frame_rate ();
+ _video_frame_type = ref->video_frame_type ();
+ _crop = ref->crop ();
+ _ratio = ref->ratio ();
+ _colour_conversion = ref->colour_conversion ();
}
void
if (_ratio) {
node->add_child("Ratio")->add_child_text (_ratio->id ());
}
+ _colour_conversion.as_xml (node->add_child("ColourConversion"));
+}
+
+void
+VideoContent::setup_default_colour_conversion ()
+{
+ _colour_conversion = PresetColourConversion (_("sRGB"), 2.4, true, dcp::colour_matrix::srgb_to_xyz, 2.6).conversion;
}
void
VideoContent::take_from_video_examiner (shared_ptr<VideoExaminer> d)
{
/* These examiner calls could call other content methods which take a lock on the mutex */
- libdcp::Size const vs = d->video_size ();
+ dcp::Size const vs = d->video_size ();
float const vfr = d->video_frame_rate ();
{
_("%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 ();
VideoContent::identifier () const
{
stringstream s;
- s << Content::digest()
+ s << Content::identifier()
<< "_" << crop().left
<< "_" << crop().right
<< "_" << crop().top
- << "_" << crop().bottom;
+ << "_" << crop().bottom
+ << "_" << colour_conversion().identifier ();
if (ratio()) {
s << "_" << ratio()->id ();
{
{
boost::mutex::scoped_lock lm (_mutex);
- _video_frame_rate = t;
+ _video_frame_type = t;
}
signal_changed (VideoContentProperty::VIDEO_FRAME_TYPE);
}
+
+string
+VideoContent::technical_summary () const
+{
+ return String::compose ("video: length %1, size %2x%3, rate %4", video_length(), video_size().width, video_size().height, video_frame_rate());
+}
+
+dcp::Size
+VideoContent::video_size_after_3d_split () const
+{
+ dcp::Size const s = video_size ();
+ switch (video_frame_type ()) {
+ case VIDEO_FRAME_TYPE_2D:
+ return s;
+ case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
+ return dcp::Size (s.width / 2, s.height);
+ case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
+ return dcp::Size (s.width, s.height / 2);
+ }
+
+ assert (false);
+}
+
+void
+VideoContent::set_colour_conversion (ColourConversion c)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _colour_conversion = c;
+ }
+
+ signal_changed (VideoContentProperty::COLOUR_CONVERSION);
+}
+
+/** @return Video size after 3D split and crop */
+dcp::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, rounded up so that the frame index
+ * is that of the next complete frame which starts after `t'.
+ */
+VideoFrame
+VideoContent::time_to_content_video_frames (DCPTime t) const
+{
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ /* 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; source rate will be equal to DCP rate if we ignore
+ double/skip. There's no need to call Film::active_frame_rate_change() here
+ as we know that we are it (since we're video).
+ */
+ FrameRateChange frc (video_frame_rate(), film->video_frame_rate());
+ return ceil (t * film->video_frame_rate() / (frc.factor() * TIME_HZ));
+}
projects / dcpomatic.git / blobdiff