*/
+#include <libcxml/cxml.h>
#include <boost/shared_ptr.hpp>
#include <boost/lexical_cast.hpp>
#include "playlist.h"
#include "video_content.h"
#include "ffmpeg_decoder.h"
#include "ffmpeg_content.h"
-#include "imagemagick_decoder.h"
+#include "image_decoder.h"
+#include "content_factory.h"
#include "job.h"
+#include "config.h"
+#include "util.h"
+
+#include "i18n.h"
using std::list;
using std::cout;
using std::min;
using std::max;
using std::string;
+using std::stringstream;
+using std::pair;
+using boost::optional;
using boost::shared_ptr;
using boost::weak_ptr;
using boost::dynamic_pointer_cast;
using boost::lexical_cast;
Playlist::Playlist ()
- : _audio_from (AUDIO_FFMPEG)
+ : _sequence_video (true)
+ , _sequencing_video (false)
{
}
-void
-Playlist::setup (ContentList content)
+Playlist::~Playlist ()
{
- _audio_from = AUDIO_FFMPEG;
-
- _video.clear ();
- _sndfile.clear ();
+ _content.clear ();
+ reconnect ();
+}
- for (list<boost::signals2::connection>::iterator i = _content_connections.begin(); i != _content_connections.end(); ++i) {
- i->disconnect ();
+void
+Playlist::content_changed (weak_ptr<Content> content, int property, bool frequent)
+{
+ if (property == ContentProperty::LENGTH) {
+ maybe_sequence_video ();
}
- _content_connections.clear ();
+ ContentChanged (content, property, frequent);
+}
- for (ContentList::const_iterator i = content.begin(); i != content.end(); ++i) {
- shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*i);
- if (vc) {
- _video.push_back (vc);
+void
+Playlist::maybe_sequence_video ()
+{
+ if (!_sequence_video || _sequencing_video) {
+ return;
+ }
+
+ _sequencing_video = true;
+
+ ContentList cl = _content;
+ DCPTime next = 0;
+ for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) {
+ if (!dynamic_pointer_cast<VideoContent> (*i)) {
+ continue;
}
- shared_ptr<SndfileContent> sc = dynamic_pointer_cast<SndfileContent> (*i);
- if (sc) {
- _sndfile.push_back (sc);
- _audio_from = AUDIO_SNDFILE;
- }
-
- _content_connections.push_back ((*i)->Changed.connect (bind (&Playlist::content_changed, this, _1, _2)));
+ (*i)->set_position (next);
+ next = (*i)->end() + 1;
}
- Changed ();
+ /* This won't change order, so it does not need a sort */
+
+ _sequencing_video = false;
}
-ContentAudioFrame
-Playlist::audio_length () const
+string
+Playlist::video_identifier () const
{
- ContentAudioFrame len = 0;
+ string t;
- switch (_audio_from) {
- case AUDIO_FFMPEG:
- for (list<shared_ptr<const VideoContent> >::const_iterator i = _video.begin(); i != _video.end(); ++i) {
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
- if (fc) {
- len += fc->audio_length ();
- }
- }
- break;
- case AUDIO_SNDFILE:
- for (list<shared_ptr<const SndfileContent> >::const_iterator i = _sndfile.begin(); i != _sndfile.end(); ++i) {
- len += (*i)->audio_length ();
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (*i);
+ if (vc) {
+ t += vc->identifier ();
}
- break;
}
- return len;
+ return md5_digest (t.c_str(), t.length());
}
-int
-Playlist::audio_channels () const
+/** @param node <Playlist> node */
+void
+Playlist::set_from_xml (shared_ptr<const Film> film, shared_ptr<const cxml::Node> node, int version)
{
- int channels = 0;
-
- switch (_audio_from) {
- case AUDIO_FFMPEG:
- for (list<shared_ptr<const VideoContent> >::const_iterator i = _video.begin(); i != _video.end(); ++i) {
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
- if (fc) {
- channels = max (channels, fc->audio_channels ());
- }
- }
- break;
- case AUDIO_SNDFILE:
- for (list<shared_ptr<const SndfileContent> >::const_iterator i = _sndfile.begin(); i != _sndfile.end(); ++i) {
- channels += (*i)->audio_channels ();
- }
- break;
+ list<cxml::NodePtr> c = node->node_children ("Content");
+ for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
+ _content.push_back (content_factory (film, *i, version));
+ }
+
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ reconnect ();
+}
+
+/** @param node <Playlist> node */
+void
+Playlist::as_xml (xmlpp::Node* node)
+{
+ for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) {
+ (*i)->as_xml (node->add_child ("Content"));
}
+}
- return channels;
+void
+Playlist::add (shared_ptr<Content> c)
+{
+ _content.push_back (c);
+ sort (_content.begin(), _content.end(), ContentSorter ());
+ reconnect ();
+ Changed ();
}
-int
-Playlist::audio_frame_rate () const
+void
+Playlist::remove (shared_ptr<Content> c)
{
- /* XXX: assuming that all content has the same rate */
-
- switch (_audio_from) {
- case AUDIO_FFMPEG:
- {
- shared_ptr<const FFmpegContent> fc = first_ffmpeg ();
- if (fc) {
- return fc->audio_frame_rate ();
- }
- break;
+ ContentList::iterator i = _content.begin ();
+ while (i != _content.end() && *i != c) {
+ ++i;
}
- case AUDIO_SNDFILE:
- return _sndfile.front()->audio_frame_rate ();
+
+ if (i != _content.end ()) {
+ _content.erase (i);
+ Changed ();
}
- return 0;
+ /* This won't change order, so it does not need a sort */
}
-float
-Playlist::video_frame_rate () const
+void
+Playlist::remove (ContentList c)
{
- if (_video.empty ()) {
- return 0;
+ for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
+ ContentList::iterator j = _content.begin ();
+ while (j != _content.end() && *j != *i) {
+ ++j;
+ }
+
+ if (j != _content.end ()) {
+ _content.erase (j);
+ }
}
+
+ /* This won't change order, so it does not need a sort */
- /* XXX: assuming all the same */
- return _video.front()->video_frame_rate ();
+ Changed ();
}
-libdcp::Size
-Playlist::video_size () const
+bool
+Playlist::has_subtitles () const
{
- if (_video.empty ()) {
- return libdcp::Size ();
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (*i);
+ if (fc && !fc->subtitle_streams().empty()) {
+ return true;
+ }
}
- /* XXX: assuming all the same */
- return _video.front()->video_size ();
+ return false;
}
-ContentVideoFrame
-Playlist::video_length () const
+class FrameRateCandidate
{
- ContentVideoFrame len = 0;
- for (list<shared_ptr<const VideoContent> >::const_iterator i = _video.begin(); i != _video.end(); ++i) {
- len += (*i)->video_length ();
+public:
+ FrameRateCandidate (float source_, int dcp_)
+ : source (source_)
+ , dcp (dcp_)
+ {}
+
+ float source;
+ int dcp;
+};
+
+int
+Playlist::best_dcp_frame_rate () const
+{
+ list<int> const allowed_dcp_frame_rates = Config::instance()->allowed_dcp_frame_rates ();
+
+ /* Work out what rates we could manage, including those achieved by using skip / repeat. */
+ list<FrameRateCandidate> candidates;
+
+ /* Start with the ones without skip / repeat so they will get matched in preference to skipped/repeated ones */
+ for (list<int>::const_iterator i = allowed_dcp_frame_rates.begin(); i != allowed_dcp_frame_rates.end(); ++i) {
+ candidates.push_back (FrameRateCandidate (*i, *i));
+ }
+
+ /* Then the skip/repeat ones */
+ for (list<int>::const_iterator i = allowed_dcp_frame_rates.begin(); i != allowed_dcp_frame_rates.end(); ++i) {
+ candidates.push_back (FrameRateCandidate (float (*i) / 2, *i));
+ candidates.push_back (FrameRateCandidate (float (*i) * 2, *i));
+ }
+
+ /* Pick the best one */
+ float error = std::numeric_limits<float>::max ();
+ optional<FrameRateCandidate> best;
+ list<FrameRateCandidate>::iterator i = candidates.begin();
+ while (i != candidates.end()) {
+
+ float this_error = 0;
+ for (ContentList::const_iterator j = _content.begin(); j != _content.end(); ++j) {
+ shared_ptr<VideoContent> vc = dynamic_pointer_cast<VideoContent> (*j);
+ if (!vc) {
+ continue;
+ }
+
+ /* Use the largest difference between DCP and source as the "error" */
+ this_error = max (this_error, float (fabs (i->source - vc->video_frame_rate ())));
+ }
+
+ if (this_error < error) {
+ error = this_error;
+ best = *i;
+ }
+
+ ++i;
+ }
+
+ if (!best) {
+ return 24;
}
- return len;
+ return best->dcp;
}
-bool
-Playlist::has_audio () const
+DCPTime
+Playlist::length () const
{
- /* XXX */
- return true;
+ DCPTime len = 0;
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ len = max (len, (*i)->end() + 1);
+ }
+
+ return len;
}
void
-Playlist::content_changed (weak_ptr<Content> c, int p)
+Playlist::reconnect ()
{
- ContentChanged (c, p);
+ for (list<boost::signals2::connection>::iterator i = _content_connections.begin(); i != _content_connections.end(); ++i) {
+ i->disconnect ();
+ }
+
+ _content_connections.clear ();
+
+ for (ContentList::iterator i = _content.begin(); i != _content.end(); ++i) {
+ _content_connections.push_back ((*i)->Changed.connect (bind (&Playlist::content_changed, this, _1, _2, _3)));
+ }
}
-shared_ptr<const FFmpegContent>
-Playlist::first_ffmpeg () const
+DCPTime
+Playlist::video_end () const
{
- for (list<shared_ptr<const VideoContent> >::const_iterator i = _video.begin(); i != _video.end(); ++i) {
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
- if (fc) {
- return fc;
+ DCPTime end = 0;
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ if (dynamic_pointer_cast<const VideoContent> (*i)) {
+ end = max (end, (*i)->end ());
}
}
- return shared_ptr<const FFmpegContent> ();
+ return end;
}
-
-AudioMapping
-Playlist::default_audio_mapping () const
+FrameRateChange
+Playlist::active_frame_rate_change (DCPTime t, int dcp_video_frame_rate) const
{
- AudioMapping m;
-
- switch (_audio_from) {
- case AUDIO_FFMPEG:
- {
- shared_ptr<const FFmpegContent> fc = first_ffmpeg ();
- if (!fc) {
+ for (ContentList::const_iterator i = _content.begin(); i != _content.end(); ++i) {
+ shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (*i);
+ if (!vc) {
break;
}
-
- /* XXX: assumes all the same */
- if (fc->audio_channels() == 1) {
- /* Map mono sources to centre */
- m.add (AudioMapping::Channel (fc, 0), libdcp::CENTRE);
- } else {
- int const N = min (fc->audio_channels (), MAX_AUDIO_CHANNELS);
- /* Otherwise just start with a 1:1 mapping */
- for (int i = 0; i < N; ++i) {
- m.add (AudioMapping::Channel (fc, i), (libdcp::Channel) i);
- }
+
+ if (vc->position() >= t && t < vc->end()) {
+ return FrameRateChange (vc->video_frame_rate(), dcp_video_frame_rate);
}
- break;
}
- case AUDIO_SNDFILE:
- {
- int n = 0;
- for (list<shared_ptr<const SndfileContent> >::const_iterator i = _sndfile.begin(); i != _sndfile.end(); ++i) {
- for (int j = 0; j < (*i)->audio_channels(); ++j) {
- m.add (AudioMapping::Channel (*i, j), (libdcp::Channel) n);
- ++n;
- if (n >= MAX_AUDIO_CHANNELS) {
- break;
- }
- }
- if (n >= MAX_AUDIO_CHANNELS) {
- break;
- }
- }
- break;
+ return FrameRateChange (dcp_video_frame_rate, dcp_video_frame_rate);
+}
+
+void
+Playlist::set_sequence_video (bool s)
+{
+ _sequence_video = s;
+}
+
+bool
+ContentSorter::operator() (shared_ptr<Content> a, shared_ptr<Content> b)
+{
+ return a->position() < b->position();
+}
+
+/** @return content in an undefined order */
+ContentList
+Playlist::content () const
+{
+ return _content;
+}
+
+void
+Playlist::repeat (ContentList c, int n)
+{
+ pair<DCPTime, DCPTime> range (TIME_MAX, 0);
+ for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
+ range.first = min (range.first, (*i)->position ());
+ range.second = max (range.second, (*i)->position ());
+ range.first = min (range.first, (*i)->end ());
+ range.second = max (range.second, (*i)->end ());
}
+
+ DCPTime pos = range.second;
+ for (int i = 0; i < n; ++i) {
+ for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
+ shared_ptr<Content> copy = (*i)->clone ();
+ copy->set_position (pos + copy->position() - range.first);
+ _content.push_back (copy);
+ }
+ pos += range.second - range.first;
}
- return m;
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ reconnect ();
+ Changed ();
}
-string
-Playlist::audio_digest () const
+void
+Playlist::move_earlier (shared_ptr<Content> c)
{
- string t;
+ sort (_content.begin(), _content.end(), ContentSorter ());
- switch (_audio_from) {
- case AUDIO_FFMPEG:
- for (list<shared_ptr<const VideoContent> >::const_iterator i = _video.begin(); i != _video.end(); ++i) {
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
- if (fc) {
- t += (*i)->digest ();
- t += lexical_cast<string> (fc->audio_stream()->id);
- }
- }
- break;
- case AUDIO_SNDFILE:
- for (list<shared_ptr<const SndfileContent> >::const_iterator i = _sndfile.begin(); i != _sndfile.end(); ++i) {
- t += (*i)->digest ();
- }
- break;
+ ContentList::iterator previous = _content.end ();
+ ContentList::iterator i = _content.begin();
+ while (i != _content.end() && *i != c) {
+ previous = i;
+ ++i;
}
- return md5_digest (t.c_str(), t.length());
+ assert (i != _content.end ());
+ if (previous == _content.end ()) {
+ return;
+ }
+
+ DCPTime const p = (*previous)->position ();
+ (*previous)->set_position (p + c->length_after_trim ());
+ c->set_position (p);
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ Changed ();
}
-string
-Playlist::video_digest () const
+void
+Playlist::move_later (shared_ptr<Content> c)
{
- string t;
+ sort (_content.begin(), _content.end(), ContentSorter ());
- for (list<shared_ptr<const VideoContent> >::const_iterator i = _video.begin(); i != _video.end(); ++i) {
- t += (*i)->digest ();
- shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (*i);
- if (fc) {
- t += fc->subtitle_stream()->id;
- }
+ ContentList::iterator i = _content.begin();
+ while (i != _content.end() && *i != c) {
+ ++i;
}
- return md5_digest (t.c_str(), t.length());
+ assert (i != _content.end ());
+
+ ContentList::iterator next = i;
+ ++next;
+
+ if (next == _content.end ()) {
+ return;
+ }
+
+ DCPTime const p = (*next)->position ();
+ (*next)->set_position (c->position ());
+ c->set_position (p + c->length_after_trim ());
+ sort (_content.begin(), _content.end(), ContentSorter ());
+
+ Changed ();
}
projects / dcpomatic.git / blobdiff