+/*
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <iomanip>
#include <libcxml/cxml.h>
+#include <dcp/colour_matrix.h>
+#include <dcp/raw_convert.h>
#include "video_content.h"
-#include "video_decoder.h"
+#include "video_examiner.h"
+#include "compose.hpp"
+#include "ratio.h"
+#include "config.h"
+#include "colour_conversion.h"
+#include "util.h"
+#include "film.h"
+#include "exceptions.h"
+#include "frame_rate_change.h"
+#include "log.h"
+#include "safe_stringstream.h"
+
+#include "i18n.h"
-int const VideoContentProperty::VIDEO_LENGTH = 0;
-int const VideoContentProperty::VIDEO_SIZE = 1;
-int const VideoContentProperty::VIDEO_FRAME_RATE = 2;
+#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::cout;
+using std::vector;
+using std::min;
+using std::max;
using boost::shared_ptr;
-using boost::lexical_cast;
+using boost::optional;
+using boost::dynamic_pointer_cast;
+using dcp::raw_convert;
-VideoContent::VideoContent (boost::filesystem::path f)
+VideoContent::VideoContent (shared_ptr<const Film> f)
: Content (f)
, _video_length (0)
+ , _video_frame_rate (0)
+ , _video_frame_type (VIDEO_FRAME_TYPE_2D)
+ , _scale (Config::instance()->default_scale ())
+{
+ set_default_colour_conversion ();
+}
+
+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)
+ , _scale (Config::instance()->default_scale ())
{
+ set_default_colour_conversion ();
+}
+VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p)
+ : Content (f, p)
+ , _video_length (0)
+ , _video_frame_rate (0)
+ , _video_frame_type (VIDEO_FRAME_TYPE_2D)
+ , _scale (Config::instance()->default_scale ())
+{
+ set_default_colour_conversion ();
}
-VideoContent::VideoContent (shared_ptr<const cxml::Node> node)
- : Content (node)
+VideoContent::VideoContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version)
+ : Content (f, node)
{
- _video_length = node->number_child<ContentVideoFrame> ("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 (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"));
+ _crop.left = node->number_child<int> ("LeftCrop");
+ _crop.right = node->number_child<int> ("RightCrop");
+ _crop.top = node->number_child<int> ("TopCrop");
+ _crop.bottom = node->number_child<int> ("BottomCrop");
+
+ 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"));
+ }
+
+
+ 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)
+ : 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->scale() != ref->scale()) {
+ throw JoinError (_("Content to be joined must have the same scale setting."));
+ }
+
+ if (vc->colour_conversion() != ref->colour_conversion()) {
+ 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 ();
+ _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 (lexical_cast<string> (_video_length));
- 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("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("VideoFrameType")->add_child_text (raw_convert<string> (static_cast<int> (_video_frame_type)));
+ _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 ()
+{
+ set_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 */
+ dcp::Size const vs = d->video_size ();
+ float const vfr = d->video_frame_rate ();
+ ContentTime vl = d->video_length ();
+
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _video_size = vs;
+ _video_frame_rate = vfr;
+ _video_length = vl;
+ }
+
+ shared_ptr<const Film> film = _film.lock ();
+ 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);
+ signal_changed (ContentProperty::LENGTH);
+}
+
+
+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 ();
+}
+
+void
+VideoContent::set_left_crop (int c)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (_crop.left == c) {
+ return;
+ }
+
+ _crop.left = c;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_CROP);
}
void
-VideoContent::take_from_video_decoder (shared_ptr<VideoDecoder> d)
+VideoContent::set_right_crop (int c)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _video_size = d->native_size ();
- _video_frame_rate = d->frames_per_second ();
- }
-
- Changed (VideoContentProperty::VIDEO_SIZE);
- Changed (VideoContentProperty::VIDEO_FRAME_RATE);
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_crop.right == c) {
+ return;
+ }
+
+ _crop.right = c;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_CROP);
+}
+
+void
+VideoContent::set_top_crop (int c)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_crop.top == c) {
+ return;
+ }
+
+ _crop.top = c;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_CROP);
+}
+
+void
+VideoContent::set_bottom_crop (int c)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_crop.bottom == c) {
+ return;
+ }
+
+ _crop.bottom = c;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_CROP);
+}
+
+void
+VideoContent::set_scale (VideoContentScale s)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_scale == s) {
+ return;
+ }
+
+ _scale = s;
+ }
+
+ signal_changed (VideoContentProperty::VIDEO_SCALE);
+}
+
+/** @return string which includes everything about how this content looks */
+string
+VideoContent::identifier () const
+{
+ SafeStringStream s;
+ s << Content::identifier()
+ << "_" << crop().left
+ << "_" << crop().right
+ << "_" << crop().top
+ << "_" << crop().bottom
+ << "_" << scale().id();
+
+ if (colour_conversion()) {
+ s << "_" << colour_conversion().get().identifier ();
+ }
+
+ return s.str ();
+}
+
+void
+VideoContent::set_video_frame_type (VideoFrameType t)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _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_after_3d_combine().seconds(),
+ 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:
+ case VIDEO_FRAME_TYPE_3D_ALTERNATE:
+ case VIDEO_FRAME_TYPE_3D_LEFT:
+ case VIDEO_FRAME_TYPE_3D_RIGHT:
+ 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::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)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _colour_conversion = 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
+{
+ return crop().apply (video_size_after_3d_split ());
+}
+
+/** @param t A time offset from the start of this piece of content.
+ * @return Corresponding time with respect to the content.
+ */
+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()));
+}
+
+void
+VideoContent::scale_and_crop_to_fit_width ()
+{
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ set_scale (VideoContentScale (film->container ()));
+
+ int const crop = max (0, int (video_size().height - double (film->frame_size().height) * video_size().width / film->frame_size().width));
+ set_top_crop (crop / 2);
+ set_bottom_crop (crop / 2);
+}
+
+void
+VideoContent::scale_and_crop_to_fit_height ()
+{
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ set_scale (VideoContentScale (film->container ()));
+
+ int const crop = max (0, int (video_size().width - double (film->frame_size().width) * video_size().height / film->frame_size().height));
+ set_left_crop (crop / 2);
+ set_right_crop (crop / 2);
+}
+
+void
+VideoContent::set_video_frame_rate (float r)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ if (_video_frame_rate == r) {
+ return;
+ }
+
+ _video_frame_rate = r;
+ }
+
+ 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> ();
}