+/*
+ Copyright (C) 2013 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 <libcxml/cxml.h>
#include "video_content.h"
#include "video_decoder.h"
+#include "i18n.h"
+
int const VideoContentProperty::VIDEO_LENGTH = 0;
int const VideoContentProperty::VIDEO_SIZE = 1;
int const VideoContentProperty::VIDEO_FRAME_RATE = 2;
+int const VideoContentProperty::VIDEO_CROP = 3;
+using std::string;
+using std::stringstream;
+using std::setprecision;
using boost::shared_ptr;
+using boost::lexical_cast;
-VideoContent::VideoContent (boost::filesystem::path f)
- : Content (f)
+VideoContent::VideoContent (shared_ptr<const Film> f, Time s, ContentVideoFrame len)
+ : Content (f, s)
+ , _video_length (len)
+{
+
+}
+
+VideoContent::VideoContent (shared_ptr<const Film> f, boost::filesystem::path p)
+ : Content (f, p)
, _video_length (0)
{
}
+VideoContent::VideoContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+ : 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");
+ _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");
+}
+
+VideoContent::VideoContent (VideoContent const & o)
+ : Content (o)
+ , _video_length (o._video_length)
+ , _video_size (o._video_size)
+ , _video_frame_rate (o._video_frame_rate)
+{
+
+}
+
+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("LeftCrop")->add_child_text (boost::lexical_cast<string> (_crop.left));
+ 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));
+}
+
void
VideoContent::take_from_video_decoder (shared_ptr<VideoDecoder> d)
{
+ /* These decoder 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 ();
+
{
boost::mutex::scoped_lock lm (_mutex);
- _video_size = d->native_size ();
- _video_frame_rate = d->frames_per_second ();
+ _video_size = vs;
+ _video_frame_rate = vfr;
}
- Changed (VideoContentProperty::VIDEO_SIZE);
- Changed (VideoContentProperty::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 "";
+ }
+
+ stringstream s;
+
+ s << String::compose (
+ _("%1x%2 pixels (%3:1)"),
+ video_size().width,
+ video_size().height,
+ setprecision (3), float (video_size().width) / video_size().height
+ );
+
+ return s.str ();
+}
+
+void
+VideoContent::set_crop (Crop c)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _crop = c;
+ }
+ signal_changed (VideoContentProperty::VIDEO_CROP);
+}
+
+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::set_right_crop (int c)
+{
+ {
+ 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);
+}
+
projects / dcpomatic.git / blobdiff