X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fplaylist.cc;h=12832cfd78aa3c5c059e29723c73d29d4a84d3ee;hb=7686d48aab59eeca84b32c74606453628977d903;hp=739c5a20b3d0317f506786ce8dbc4fd544a91bab;hpb=a306df9145d16046e51e8b7ff5222e341e98fdbd;p=dcpomatic.git

diff --git a/src/lib/playlist.cc b/src/lib/playlist.cc
index 739c5a20b..12832cfd7 100644
--- a/src/lib/playlist.cc
+++ b/src/lib/playlist.cc
@@ -24,6 +24,7 @@
 #include "ffmpeg_decoder.h"
 #include "ffmpeg_content.h"
 #include "image_decoder.h"
+#include "audio_content.h"
 #include "content_factory.h"
 #include "dcp_content.h"
 #include "job.h"
@@ -159,7 +160,11 @@ Playlist::video_identifier () const
 	return digester.get ();
 }
 
-/** @param node <Playlist> node */
+/** @param film Film that this Playlist is for.
+ *  @param node &lt;Playlist&gt; node.
+ *  @param version Metadata version number.
+ *  @param notes Output notes about that happened.
+ */
 void
 Playlist::set_from_xml (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
 {
@@ -173,12 +178,14 @@ Playlist::set_from_xml (shared_ptr<const Film> film, cxml::ConstNodePtr node, in
 	reconnect ();
 }
 
-/** @param node <Playlist> node */
+/** @param node &lt;Playlist&gt; node.
+ *  @param with_content_paths true to include &lt;Path&gt; nodes in &lt;Content&gt; nodes, false to omit them.
+ */
 void
-Playlist::as_xml (xmlpp::Node* node)
+Playlist::as_xml (xmlpp::Node* node, bool with_content_paths)
 {
 	BOOST_FOREACH (shared_ptr<Content> i, _content) {
-		i->as_xml (node->add_child ("Content"));
+		i->as_xml (node->add_child ("Content"), with_content_paths);
 	}
 }
 
@@ -511,3 +518,96 @@ Playlist::required_disk_space (int j2k_bandwidth, int audio_channels, int audio_
 	/* Add on 64k for bits and pieces (metadata, subs etc) */
 	return video + audio + 65536;
 }
+
+string
+Playlist::content_summary (DCPTimePeriod period) const
+{
+	string best_summary;
+	int best_score = -1;
+	BOOST_FOREACH (shared_ptr<Content> i, _content) {
+		int score = 0;
+		optional<DCPTimePeriod> const o = DCPTimePeriod(i->position(), i->end()).overlap (period);
+		if (o) {
+			score += 100 * o.get().duration().get() / period.duration().get();
+		}
+
+		if (i->video) {
+			score += 100;
+		}
+
+		if (score > best_score) {
+			best_summary = i->path(0).leaf().string();
+			best_score = score;
+		}
+	}
+
+	return best_summary;
+}
+
+bool
+Playlist::video_content_at (DCPTime time) const
+{
+	BOOST_FOREACH (shared_ptr<Content> i, _content) {
+		if (i->video && i->position() <= time && time < i->end()) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool
+Playlist::audio_content_at (DCPTime time) const
+{
+	BOOST_FOREACH (shared_ptr<Content> i, _content) {
+		if (!i->audio) {
+			continue;
+		}
+		if (i->position() <= time && time < i->end()) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+shared_ptr<Content>
+Playlist::next_audio_content (DCPTime time) const
+{
+	shared_ptr<Content> next;
+	DCPTime next_position;
+	BOOST_FOREACH (shared_ptr<Content> i, _content) {
+		if (!i->audio) {
+			continue;
+		}
+		if (i->position() >= time && (!next || i->position() < next_position)) {
+			next = i;
+			next_position = i->position();
+		}
+	}
+
+	return next;
+}
+
+pair<double, double>
+Playlist::speed_up_range (int dcp_video_frame_rate) const
+{
+	pair<double, double> range (DBL_MAX, -DBL_MAX);
+
+	BOOST_FOREACH (shared_ptr<Content> i, _content) {
+		if (!i->video) {
+			continue;
+		}
+		if (i->video_frame_rate()) {
+			FrameRateChange const frc (i->video_frame_rate().get(), dcp_video_frame_rate);
+			range.first = min (range.first, frc.speed_up);
+			range.second = max (range.second, frc.speed_up);
+		} else {
+			FrameRateChange const frc (dcp_video_frame_rate, dcp_video_frame_rate);
+			range.first = min (range.first, frc.speed_up);
+			range.second = max (range.second, frc.speed_up);
+		}
+	}
+
+	return range;
+}