/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <iomanip>
#include <libcxml/cxml.h>
-#include <libdcp/colour_matrix.h>
+#include <dcp/colour_matrix.h>
#include "video_content.h"
#include "video_examiner.h"
-#include "ratio.h"
#include "compose.hpp"
+#include "ratio.h"
#include "config.h"
#include "colour_conversion.h"
#include "util.h"
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_SCALE = 4;
int const VideoContentProperty::COLOUR_CONVERSION = 5;
using std::string;
using boost::optional;
using boost::dynamic_pointer_cast;
+vector<VideoContentScale> VideoContentScale::_scales;
+
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"))
+ , _scale (Ratio::from_id ("185"))
{
setup_default_colour_conversion ();
}
-VideoContent::VideoContent (shared_ptr<const Film> f, DCPTime s, VideoFrame len)
+VideoContent::VideoContent (shared_ptr<const Film> f, DCPTime s, ContentTime len)
: Content (f, s)
, _video_length (len)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
- , _ratio (Ratio::from_id ("185"))
+ , _scale (Ratio::from_id ("185"))
{
setup_default_colour_conversion ();
}
, _video_length (0)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
- , _ratio (Ratio::from_id ("185"))
+ , _scale (Ratio::from_id ("185"))
{
setup_default_colour_conversion ();
}
-VideoContent::VideoContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+VideoContent::VideoContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
: Content (f, node)
- , _ratio (0)
{
- _video_length = node->number_child<VideoFrame> ("VideoLength");
+ _video_length = ContentTime (node->number_child<int64_t> ("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.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 ());
+
+ if (version <= 7) {
+ optional<string> r = node->optional_string_child ("Ratio");
+ if (r) {
+ _scale = VideoContentScale (Ratio::from_id (r.get ()));
+ }
+ } else {
+ _scale = VideoContentScale (node->node_child ("Scale"));
}
+
_colour_conversion = ColourConversion (node->node_child ("ColourConversion"));
}
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->scale() != ref->scale()) {
+ throw JoinError (_("Content to be joined must have the same scale setting."));
}
if (vc->colour_conversion() != ref->colour_conversion()) {
_video_frame_rate = ref->video_frame_rate ();
_video_frame_type = ref->video_frame_type ();
_crop = ref->crop ();
- _ratio = ref->ratio ();
+ _scale = ref->scale ();
_colour_conversion = ref->colour_conversion ();
}
VideoContent::as_xml (xmlpp::Node* node) const
{
boost::mutex::scoped_lock lm (_mutex);
- node->add_child("VideoLength")->add_child_text (lexical_cast<string> (_video_length));
+ node->add_child("VideoLength")->add_child_text (lexical_cast<string> (_video_length.get ()));
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("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 ());
- }
+ _scale.as_xml (node->add_child("Scale"));
_colour_conversion.as_xml (node->add_child("ColourConversion"));
}
void
VideoContent::setup_default_colour_conversion ()
{
- _colour_conversion = PresetColourConversion (_("sRGB"), 2.4, true, libdcp::colour_matrix::srgb_to_xyz, 2.6).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 ();
{
}
void
-VideoContent::set_ratio (Ratio const * r)
+VideoContent::set_scale (VideoContentScale s)
{
{
boost::mutex::scoped_lock lm (_mutex);
- if (_ratio == r) {
+ if (_scale == s) {
return;
}
- _ratio = r;
+ _scale = s;
}
- signal_changed (VideoContentProperty::VIDEO_RATIO);
+ signal_changed (VideoContentProperty::VIDEO_SCALE);
}
/** @return string which includes everything about how this content looks */
<< "_" << crop().right
<< "_" << crop().top
<< "_" << crop().bottom
+ << "_" << scale().id()
<< "_" << colour_conversion().identifier ();
- if (ratio()) {
- s << "_" << ratio()->id ();
- }
-
return s.str ();
}
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());
+ return String::compose (
+ "video: length %1, size %2x%3, rate %4",
+ video_length().seconds(),
+ video_size().width,
+ video_size().height,
+ video_frame_rate()
+ );
}
-libdcp::Size
+dcp::Size
VideoContent::video_size_after_3d_split () const
{
- libdcp::Size const s = video_size ();
+ 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 libdcp::Size (s.width / 2, s.height);
+ return dcp::Size (s.width / 2, s.height);
case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
- return libdcp::Size (s.width, s.height / 2);
+ return dcp::Size (s.width, s.height / 2);
}
assert (false);
}
/** @return Video size after 3D split and crop */
-libdcp::Size
+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'.
+ * @return Corresponding time with respect to the content.
*/
-VideoFrame
-VideoContent::time_to_content_video_frames (DCPTime t) const
+ContentTime
+VideoContent::dcp_time_to_content_time (DCPTime t) const
{
shared_ptr<const Film> film = _film.lock ();
assert (film);
+ return ContentTime (t, FrameRateChange (video_frame_rate(), film->video_frame_rate()));
+}
+
+VideoContentScale::VideoContentScale (Ratio const * r)
+ : _ratio (r)
+ , _scale (true)
+{
+
+}
+
+VideoContentScale::VideoContentScale ()
+ : _ratio (0)
+ , _scale (false)
+{
+
+}
+
+VideoContentScale::VideoContentScale (bool scale)
+ : _ratio (0)
+ , _scale (scale)
+{
+
+}
+
+VideoContentScale::VideoContentScale (shared_ptr<cxml::Node> node)
+ : _ratio (0)
+ , _scale (true)
+{
+ optional<string> r = node->optional_string_child ("Ratio");
+ if (r) {
+ _ratio = Ratio::from_id (r.get ());
+ } else {
+ _scale = node->bool_child ("Scale");
+ }
+}
+
+void
+VideoContentScale::as_xml (xmlpp::Node* node) const
+{
+ if (_ratio) {
+ node->add_child("Ratio")->add_child_text (_ratio->id ());
+ } else {
+ node->add_child("Scale")->add_child_text (_scale ? "1" : "0");
+ }
+}
+
+string
+VideoContentScale::id () const
+{
+ stringstream s;
- /* 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).
+ if (_ratio) {
+ s << _ratio->id () << "_";
+ } else {
+ s << (_scale ? "S1" : "S0");
+ }
+
+ return s.str ();
+}
+
+string
+VideoContentScale::name () const
+{
+ if (_ratio) {
+ return _ratio->nickname ();
+ }
+
+ if (_scale) {
+ return _("No stretch");
+ }
+
+ return _("No scale");
+}
+
+/** @param display_container Size of the container that we are displaying this content in.
+ * @param film_container The size of the film's image.
+ */
+dcp::Size
+VideoContentScale::size (shared_ptr<const VideoContent> c, dcp::Size display_container, dcp::Size film_container) const
+{
+ if (_ratio) {
+ return fit_ratio_within (_ratio->ratio (), display_container);
+ }
+
+ libdcp::Size const ac = c->video_size_after_crop ();
+
+ /* Force scale if the film_container is smaller than the content's image */
+ if (_scale || film_container.width < ac.width || film_container.height < ac.height) {
+ return fit_ratio_within (ac.ratio (), display_container);
+ }
+
+ /* Scale the image so that it will be in the right place in film_container, even if display_container is a
+ different size.
*/
- FrameRateChange frc (video_frame_rate(), film->video_frame_rate());
- return ceil (t * film->video_frame_rate() / (frc.factor() * TIME_HZ));
+ return libdcp::Size (
+ c->video_size().width * float(display_container.width) / film_container.width,
+ c->video_size().height * float(display_container.height) / film_container.height
+ );
+}
+
+void
+VideoContentScale::setup_scales ()
+{
+ vector<Ratio const *> ratios = Ratio::all ();
+ for (vector<Ratio const *>::const_iterator i = ratios.begin(); i != ratios.end(); ++i) {
+ _scales.push_back (VideoContentScale (*i));
+ }
+
+ _scales.push_back (VideoContentScale (true));
+ _scales.push_back (VideoContentScale (false));
+}
+
+bool
+operator== (VideoContentScale const & a, VideoContentScale const & b)
+{
+ return (a.ratio() == b.ratio() && a.scale() == b.scale());
+}
+
+bool
+operator!= (VideoContentScale const & a, VideoContentScale const & b)
+{
+ return (a.ratio() != b.ratio() || a.scale() != b.scale());
}
projects / dcpomatic.git / blobdiff