/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 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 <libdcp/raw_convert.h>
#include "video_content.h"
#include "video_examiner.h"
#include "compose.hpp"
#include "film.h"
#include "exceptions.h"
#include "frame_rate_change.h"
+#include "log.h"
#include "safe_stringstream.h"
+#include "raw_convert.h"
+#include <libcxml/cxml.h>
+#include <dcp/colour_matrix.h>
+#include <iomanip>
#include "i18n.h"
+#define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
+
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_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;
-using libdcp::raw_convert;
VideoContent::VideoContent (shared_ptr<const Film> f)
: Content (f)
, _video_length (0)
- , _original_video_frame_rate (0)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
- , _scale (Config::instance()->default_scale ())
+ , _scale (VideoContentScale (Ratio::from_id ("178")))
{
- set_default_colour_conversion ();
+ set_default_colour_conversion (false);
}
-VideoContent::VideoContent (shared_ptr<const Film> f, Time s, VideoContent::Frame len)
+VideoContent::VideoContent (shared_ptr<const Film> f, DCPTime s, ContentTime len)
: Content (f, s)
, _video_length (len)
- , _original_video_frame_rate (0)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
- , _scale (Config::instance()->default_scale ())
+ , _scale (VideoContentScale (Ratio::from_id ("178")))
{
- set_default_colour_conversion ();
+ set_default_colour_conversion (false);
}
VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p)
: Content (f, p)
, _video_length (0)
- , _original_video_frame_rate (0)
, _video_frame_rate (0)
, _video_frame_type (VIDEO_FRAME_TYPE_2D)
- , _scale (Config::instance()->default_scale ())
+ , _scale (VideoContentScale (Ratio::from_id ("178")))
{
- set_default_colour_conversion ();
+ set_default_colour_conversion (false);
}
-VideoContent::VideoContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
+VideoContent::VideoContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
: Content (f, node)
{
- _video_length = node->number_child<VideoContent::Frame> ("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");
- _original_video_frame_rate = node->optional_number_child<float> ("OriginalVideoFrameRate").get_value_or (_video_frame_rate);
+
+ if (version < 32) {
+ /* DCP-o-matic 1.0 branch */
+ _video_length = ContentTime::from_frames (node->number_child<int64_t> ("VideoLength"), _video_frame_rate);
+ } else {
+ _video_length = ContentTime (node->number_child<ContentTime::Type> ("VideoLength"));
+ }
+
_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");
_scale = VideoContentScale (node->node_child ("Scale"));
}
+
if (node->optional_node_child ("ColourConversion")) {
- _colour_conversion = ColourConversion (node->node_child ("ColourConversion"));
+ _colour_conversion = ColourConversion (node->node_child ("ColourConversion"), version);
+ }
+ if (version >= 32) {
+ _fade_in = ContentTime (node->number_child<int64_t> ("FadeIn"));
+ _fade_out = ContentTime (node->number_child<int64_t> ("FadeOut"));
}
}
, _video_length (0)
{
shared_ptr<VideoContent> ref = dynamic_pointer_cast<VideoContent> (c[0]);
- assert (ref);
+ DCPOMATIC_ASSERT (ref);
for (size_t i = 0; i < c.size(); ++i) {
shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (c[i]);
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 ();
}
_video_size = ref->video_size ();
- _original_video_frame_rate = ref->original_video_frame_rate ();
_video_frame_rate = ref->video_frame_rate ();
_video_frame_type = ref->video_frame_type ();
_crop = ref->crop ();
_scale = ref->scale ();
_colour_conversion = ref->colour_conversion ();
+ _fade_in = ref->fade_in ();
+ _fade_out = ref->fade_out ();
}
void
VideoContent::as_xml (xmlpp::Node* node) const
{
boost::mutex::scoped_lock lm (_mutex);
- node->add_child("VideoLength")->add_child_text (raw_convert<string> (_video_length));
+ node->add_child("VideoLength")->add_child_text (raw_convert<string> (_video_length.get ()));
node->add_child("VideoWidth")->add_child_text (raw_convert<string> (_video_size.width));
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("OriginalVideoFrameRate")->add_child_text (raw_convert<string> (_original_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"));
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::set_default_colour_conversion ()
+VideoContent::set_default_colour_conversion (bool signal)
{
- set_colour_conversion (PresetColourConversion (_("sRGB"), 2.4, true, libdcp::colour_matrix::srgb_to_xyz, 2.6).conversion);
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _colour_conversion = ColourConversion (dcp::ColourConversion::srgb_to_xyz ());
+ }
+
+ if (signal) {
+ signal_changed (VideoContentProperty::COLOUR_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 ();
- float const vfr = d->video_frame_rate ();
-
+ dcp::Size const vs = d->video_size ();
+ 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;
- _original_video_frame_rate = vfr;
+ /* Default video frame rate to 24fps if the examiner doesn't know */
+ _video_frame_rate = vfr.get_value_or (24);
+ _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 ();
+ DCPOMATIC_ASSERT (film);
+ LOG_GENERAL ("Video length obtained from header as %1 frames", _video_length.frames (_video_frame_rate));
signal_changed (VideoContentProperty::VIDEO_SIZE);
signal_changed (VideoContentProperty::VIDEO_FRAME_RATE);
-}
-
-
-string
-VideoContent::information () const
-{
- if (video_size().width == 0 || video_size().height == 0) {
- return "";
- }
-
- SafeStringStream s;
-
- s << String::compose (
- _("%1x%2 pixels (%3:1)"),
- video_size().width,
- video_size().height,
- setprecision (3), video_size().ratio ()
- );
-
- return s.str ();
+ signal_changed (VideoContentProperty::VIDEO_SCALE);
+ signal_changed (ContentProperty::LENGTH);
}
void
string
VideoContent::technical_summary () const
{
- return String::compose (
- "video: length %1, size %2x%3, rate %4",
- video_length_after_3d_combine(), video_size().width, video_size().height, video_frame_rate()
+ string s = String::compose (
+ N_("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 (N_(", sample aspect ratio %1"), (sample_aspect_ratio().get ()));
+ }
+
+ return s;
}
-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:
case VIDEO_FRAME_TYPE_3D_ALTERNATE:
case VIDEO_FRAME_TYPE_3D_RIGHT:
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);
+ DCPOMATIC_ASSERT (false);
}
void
-VideoContent::unset_colour_conversion ()
+VideoContent::unset_colour_conversion (bool signal)
{
{
boost::mutex::scoped_lock lm (_mutex);
_colour_conversion = boost::optional<ColourConversion> ();
}
- signal_changed (VideoContentProperty::COLOUR_CONVERSION);
+ if (signal) {
+ signal_changed (VideoContentProperty::COLOUR_CONVERSION);
+ }
}
void
signal_changed (VideoContentProperty::COLOUR_CONVERSION);
}
-/** @return Video size after 3D split and crop */
-libdcp::Size
-VideoContent::video_size_after_crop () const
+void
+VideoContent::set_fade_in (ContentTime t)
{
- return crop().apply (video_size_after_3d_split ());
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _fade_in = t;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_FADE_IN);
}
-/** @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
+void
+VideoContent::set_fade_out (ContentTime t)
{
- shared_ptr<const Film> film = _film.lock ();
- assert (film);
-
- FrameRateChange frc (video_frame_rate(), film->video_frame_rate());
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _fade_out = t;
+ }
- /* 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);
+ signal_changed (VideoContentProperty::VIDEO_FADE_OUT);
+}
+
+/** @return Video size after 3D split and crop */
+dcp::Size
+VideoContent::video_size_after_crop () const
+{
+ return crop().apply (video_size_after_3d_split ());
}
void
VideoContent::scale_and_crop_to_fit_width ()
{
shared_ptr<const Film> film = _film.lock ();
- assert (film);
+ DCPOMATIC_ASSERT (film);
set_scale (VideoContentScale (film->container ()));
VideoContent::scale_and_crop_to_fit_height ()
{
shared_ptr<const Film> film = _film.lock ();
- assert (film);
+ DCPOMATIC_ASSERT (film);
set_scale (VideoContentScale (film->container ()));
signal_changed (VideoContentProperty::VIDEO_FRAME_RATE);
}
+optional<float>
+VideoContent::fade (VideoFrame f) const
+{
+ DCPOMATIC_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
+ );
+
+
+ float ratio = video_size_after_3d_split().ratio ();
+
+ if (sample_aspect_ratio ()) {
+ d << ", " << _("pixel aspect ratio") << " " << fixed << setprecision(2) << sample_aspect_ratio().get () << ":1";
+ ratio *= sample_aspect_ratio().get ();
+ }
+
+ d << "\n" << _("Display aspect ratio") << " " << fixed << setprecision(2) << 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 ();
+ DCPOMATIC_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);
+
+ 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 ();
+}
+