From 0901138019ba18507e405be9bb8a6d002ffb7591 Mon Sep 17 00:00:00 2001
From: omigamedev <omarator@gmail.com>
Date: Sun, 17 Nov 2019 17:20:49 +0100
Subject: [PATCH] add info header to pptl

---
 src/canvas.cpp | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/canvas.cpp b/src/canvas.cpp
index acbf698..734d113 100644
--- a/src/canvas.cpp
+++ b/src/canvas.cpp
@@ -2317,6 +2317,12 @@ bool Canvas::project_save_thread(std::string file_path, bool show_progress)
 		{
 			BinaryStreamWriter sw;
 			sw.init(BinaryStream::ByteOrder::LittleEndian);
+            Serializer::Descriptor info;
+            info.class_id = "tracks-info";
+            info.name = L"Timelapse Tracks";
+            info.props["has-track-360"] = std::make_shared<Serializer::Boolean>(true);
+            info.props["version"] = std::make_shared<Serializer::Integer>(1);
+            sw << info;
 			sw << *Canvas::I->m_encoder;
 			if (!sw.save(lapse_path))
 				LOG("cannot save timelase to %s", lapse_path.c_str());
@@ -2524,9 +2530,14 @@ bool Canvas::project_open_thread(std::string file_path)
 	{
 		BinaryStreamReader sr;
 		sr.load(lapse_path, BinaryStream::ByteOrder::LittleEndian);
-		m_encoder = std::make_unique<MP4Encoder>();
-		sr >> *m_encoder;
-		m_encoder->init();
+        Serializer::Descriptor info;
+        sr >> info;
+        if (info.value<Serializer::Boolean>("has-track-360"))
+        {
+            m_encoder = std::make_unique<MP4Encoder>();
+            sr >> *m_encoder;
+            m_encoder->init();
+        }
 	}
 	else
 	{