Metadata: extract duration fom QuickTime/MP4-style containers

We want the duration of videos for two reasons:
 - To display the duration of the video in the profile plot.
 - To be able to determine which dive a video is closer to if the
   start is not during a dive.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 1 insertions, 0 deletions

diff --git a/core/metadata.h b/core/metadata.h
index da2a9c3d2..4470bdc88 100644
--- a/core/metadata.h
+++ b/core/metadata.h
@@ -5,6 +5,7 @@
 
 struct metadata {
 	timestamp_t	timestamp;
+	duration_t	duration;
 	degrees_t	latitude;
 	degrees_t	longitude;
 };