/*
- Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
*/
+
/** @file src/lib/content.cc
* @brief Content class.
*/
+
#include "content.h"
#include "change_signaller.h"
#include "util.h"
#include "i18n.h"
-using std::string;
-using std::list;
+
using std::cout;
-using std::vector;
+using std::list;
+using std::make_shared;
using std::max;
using std::pair;
-using boost::shared_ptr;
+using std::shared_ptr;
+using std::string;
+using std::vector;
using boost::optional;
-using dcp::raw_convert;
using dcp::locale_convert;
+using dcp::raw_convert;
+using namespace dcpomatic;
+
int const ContentProperty::PATH = 400;
int const ContentProperty::POSITION = 401;
int const ContentProperty::TRIM_END = 404;
int const ContentProperty::VIDEO_FRAME_RATE = 405;
+
Content::Content ()
- : _position (0)
- , _trim_start (0)
- , _trim_end (0)
- , _change_signals_frequent (false)
+ : _change_signals_frequent (false)
{
}
+
Content::Content (DCPTime p)
: _position (p)
- , _trim_start (0)
- , _trim_end (0)
, _change_signals_frequent (false)
{
}
+
Content::Content (boost::filesystem::path p)
- : _position (0)
- , _trim_start (0)
- , _trim_end (0)
- , _change_signals_frequent (false)
+ : _change_signals_frequent (false)
{
add_path (p);
}
+
Content::Content (cxml::ConstNodePtr node)
: _change_signals_frequent (false)
{
- list<cxml::NodePtr> path_children = node->node_children ("Path");
- BOOST_FOREACH (cxml::NodePtr i, path_children) {
+ for (auto i: node->node_children("Path")) {
_paths.push_back (i->content());
- optional<time_t> const mod = i->optional_number_attribute<time_t>("mtime");
+ auto const mod = i->optional_number_attribute<time_t>("mtime");
if (mod) {
_last_write_times.push_back (*mod);
- } else if (boost::filesystem::exists(i->content())) {
- _last_write_times.push_back (boost::filesystem::last_write_time(i->content()));
} else {
- _last_write_times.push_back (0);
+ boost::system::error_code ec;
+ auto last_write = boost::filesystem::last_write_time(i->content(), ec);
+ _last_write_times.push_back (ec ? 0 : last_write);
}
}
_digest = node->optional_string_child ("Digest").get_value_or ("X");
_video_frame_rate = node->optional_number_child<double> ("VideoFrameRate");
}
-Content::Content (vector<shared_ptr<Content> > c)
- : _position (c.front()->position ())
- , _trim_start (c.front()->trim_start ())
- , _trim_end (c.back()->trim_end ())
+
+Content::Content (vector<shared_ptr<Content>> c)
+ : _position (c.front()->position())
+ , _trim_start (c.front()->trim_start())
+ , _trim_end (c.back()->trim_end())
, _video_frame_rate (c.front()->video_frame_rate())
, _change_signals_frequent (false)
{
}
}
+
void
Content::as_xml (xmlpp::Node* node, bool with_paths) const
{
if (with_paths) {
for (size_t i = 0; i < _paths.size(); ++i) {
- xmlpp::Element* p = node->add_child("Path");
+ auto p = node->add_child("Path");
p->add_child_text (_paths[i].string());
p->set_attribute ("mtime", raw_convert<string>(_last_write_times[i]));
}
}
- node->add_child("Digest")->add_child_text (_digest);
- node->add_child("Position")->add_child_text (raw_convert<string> (_position.get ()));
- node->add_child("TrimStart")->add_child_text (raw_convert<string> (_trim_start.get ()));
- node->add_child("TrimEnd")->add_child_text (raw_convert<string> (_trim_end.get ()));
+ node->add_child("Digest")->add_child_text(_digest);
+ node->add_child("Position")->add_child_text(raw_convert<string>(_position.get()));
+ node->add_child("TrimStart")->add_child_text(raw_convert<string>(_trim_start.get()));
+ node->add_child("TrimEnd")->add_child_text(raw_convert<string>(_trim_end.get()));
if (_video_frame_rate) {
- node->add_child("VideoFrameRate")->add_child_text (raw_convert<string> (_video_frame_rate.get()));
+ node->add_child("VideoFrameRate")->add_child_text(raw_convert<string>(_video_frame_rate.get()));
}
}
+
string
Content::calculate_digest () const
{
boost::mutex::scoped_lock lm (_mutex);
- vector<boost::filesystem::path> p = _paths;
+ auto p = _paths;
lm.unlock ();
/* Some content files are very big, so we use a poor man's
return digest_head_tail(p, 1000000) + raw_convert<string>(boost::filesystem::file_size(p.front()));
}
+
void
Content::examine (shared_ptr<const Film>, shared_ptr<Job> job)
{
job->sub (_("Computing digest"));
}
- string const d = calculate_digest ();
+ auto const d = calculate_digest ();
boost::mutex::scoped_lock lm (_mutex);
_digest = d;
_last_write_times.clear ();
- BOOST_FOREACH (boost::filesystem::path i, _paths) {
- _last_write_times.push_back (boost::filesystem::last_write_time(i));
+ for (auto i: _paths) {
+ boost::system::error_code ec;
+ auto last_write = boost::filesystem::last_write_time(i, ec);
+ _last_write_times.push_back (ec ? 0 : last_write);
}
}
+
void
Content::signal_change (ChangeType c, int p)
{
try {
- if (c == CHANGE_TYPE_PENDING || c == CHANGE_TYPE_CANCELLED) {
+ if (c == ChangeType::PENDING || c == ChangeType::CANCELLED) {
Change (c, shared_from_this(), p, _change_signals_frequent);
} else {
emit (boost::bind (boost::ref(Change), c, shared_from_this(), p, _change_signals_frequent));
}
- } catch (boost::bad_weak_ptr) {
+ } catch (std::bad_weak_ptr &) {
/* This must be during construction; never mind */
}
}
+
void
-Content::set_position (shared_ptr<const Film> film, DCPTime p)
+Content::set_position (shared_ptr<const Film> film, DCPTime p, bool force_emit)
{
/* video and audio content can modify its position */
video->modify_position (film, p);
}
- if (audio) {
+ /* Only allow the audio to modify if we have no video;
+ sometimes p can't be on an integer video AND audio frame,
+ and in these cases we want the video constraint to be
+ satisfied since (I think) the audio code is better able to
+ cope.
+ */
+ if (!video && audio) {
audio->modify_position (film, p);
}
- ChangeSignaller<Content> cc (this, ContentProperty::POSITION);
+ ContentChangeSignaller cc (this, ContentProperty::POSITION);
{
boost::mutex::scoped_lock lm (_mutex);
- if (p == _position) {
+ if (p == _position && !force_emit) {
cc.abort ();
return;
}
}
}
+
void
Content::set_trim_start (ContentTime t)
{
video->modify_trim_start (t);
}
- if (audio) {
+ /* See note in ::set_position */
+ if (!video && audio) {
audio->modify_trim_start (t);
}
- ChangeSignaller<Content> cc (this, ContentProperty::TRIM_START);
+ ContentChangeSignaller cc (this, ContentProperty::TRIM_START);
{
boost::mutex::scoped_lock lm (_mutex);
}
}
+
void
Content::set_trim_end (ContentTime t)
{
- ChangeSignaller<Content> cc (this, ContentProperty::TRIM_END);
+ ContentChangeSignaller cc (this, ContentProperty::TRIM_END);
{
boost::mutex::scoped_lock lm (_mutex);
{
/* This is a bit naughty, but I can't think of a compelling reason not to do it ... */
xmlpp::Document doc;
- xmlpp::Node* node = doc.create_root_node ("Content");
+ auto node = doc.create_root_node ("Content");
as_xml (node, true);
/* notes is unused here (we assume) */
list<string> notes;
- return content_factory (cxml::NodePtr(new cxml::Node(node)), Film::current_state_version, notes);
+ return content_factory (make_shared<cxml::Node>(node), Film::current_state_version, notes);
}
+
string
Content::technical_summary () const
{
- string s = String::compose ("%1 %2 %3", path_summary(), digest(), position().seconds());
+ auto s = String::compose ("%1 %2 %3", path_summary(), digest(), position().seconds());
if (_video_frame_rate) {
s += String::compose(" %1", *_video_frame_rate);
}
return s;
}
+
DCPTime
Content::length_after_trim (shared_ptr<const Film> film) const
{
- return max (DCPTime(), full_length(film) - DCPTime(trim_start() + trim_end(), film->active_frame_rate_change(position())));
+ auto length = max(DCPTime(), full_length(film) - DCPTime(trim_start() + trim_end(), film->active_frame_rate_change(position())));
+ if (video) {
+ length = length.round(film->video_frame_rate());
+ }
+ return length;
}
+
/** @return string which changes when something about this content changes which affects
* the appearance of its video.
*/
return buffer;
}
+
bool
Content::paths_valid () const
{
- BOOST_FOREACH (boost::filesystem::path i, _paths) {
+ for (auto i: _paths) {
if (!boost::filesystem::exists (i)) {
return false;
}
return true;
}
+
void
Content::set_paths (vector<boost::filesystem::path> paths)
{
- ChangeSignaller<Content> cc (this, ContentProperty::PATH);
+ ContentChangeSignaller cc (this, ContentProperty::PATH);
{
boost::mutex::scoped_lock lm (_mutex);
_paths = paths;
_last_write_times.clear ();
- BOOST_FOREACH (boost::filesystem::path i, _paths) {
- _last_write_times.push_back (boost::filesystem::last_write_time(i));
+ for (auto i: _paths) {
+ boost::system::error_code ec;
+ auto last_write = boost::filesystem::last_write_time(i, ec);
+ _last_write_times.push_back (ec ? 0 : last_write);
}
}
}
+
string
Content::path_summary () const
{
DCPOMATIC_ASSERT (number_of_paths ());
- string s = path(0).filename().string ();
+ auto s = path(0).filename().string();
if (number_of_paths() > 1) {
s += " ...";
}
return s;
}
+
/** @return a list of properties that might be interesting to the user */
list<UserProperty>
Content::user_properties (shared_ptr<const Film> film) const
return p;
}
+
/** @return DCP times of points within this content where a reel split could occur */
list<DCPTime>
Content::reel_split_points (shared_ptr<const Film>) const
return t;
}
+
void
Content::set_video_frame_rate (double r)
{
- ChangeSignaller<Content> cc (this, ContentProperty::VIDEO_FRAME_RATE);
+ ContentChangeSignaller cc (this, ContentProperty::VIDEO_FRAME_RATE);
{
boost::mutex::scoped_lock lm (_mutex);
}
}
+
void
Content::unset_video_frame_rate ()
{
- ChangeSignaller<Content> cc (this, ContentProperty::VIDEO_FRAME_RATE);
+ ContentChangeSignaller cc (this, ContentProperty::VIDEO_FRAME_RATE);
{
boost::mutex::scoped_lock lm (_mutex);
}
}
+
double
Content::active_video_frame_rate (shared_ptr<const Film> film) const
{
return film->active_frame_rate_change(position()).source;
}
+
void
Content::add_properties (shared_ptr<const Film>, list<UserProperty>& p) const
{
}
}
+
/** Take settings from the given content if it is of the correct type */
void
Content::take_settings_from (shared_ptr<const Content> c)
audio->take_settings_from (c->audio);
}
- list<shared_ptr<TextContent> >::iterator i = text.begin ();
- list<shared_ptr<TextContent> >::const_iterator j = c->text.begin ();
+ auto i = text.begin ();
+ auto j = c->text.begin ();
while (i != text.end() && j != c->text.end()) {
(*i)->take_settings_from (*j);
++i;
}
}
+
shared_ptr<TextContent>
Content::only_text () const
{
DCPOMATIC_ASSERT (text.size() < 2);
- if (text.empty ()) {
- return shared_ptr<TextContent> ();
+ if (text.empty()) {
+ return {};
}
return text.front ();
}
+
shared_ptr<TextContent>
Content::text_of_original_type (TextType type) const
{
- BOOST_FOREACH (shared_ptr<TextContent> i, text) {
+ for (auto i: text) {
if (i->original_type() == type) {
return i;
}
}
- return shared_ptr<TextContent> ();
+ return {};
}
+
void
Content::add_path (boost::filesystem::path p)
{
boost::mutex::scoped_lock lm (_mutex);
_paths.push_back (p);
- _last_write_times.push_back (boost::filesystem::last_write_time(p));
+ boost::system::error_code ec;
+ auto last_write = boost::filesystem::last_write_time(p, ec);
+ _last_write_times.push_back (ec ? 0 : last_write);
}
projects / dcpomatic.git / blobdiff