- if (j->reference_video ()) {
- a.push_back (decoder.reels().front()->main_picture ());
- }
- if (j->reference_audio ()) {
- a.push_back (decoder.reels().front()->main_sound ());
- }
- if (j->reference_subtitle ()) {
- a.push_back (decoder.reels().front()->main_subtitle ());
+ int64_t offset = 0;
+ BOOST_FOREACH (shared_ptr<dcp::Reel> k, decoder.reels()) {
+ DCPTime const from = i->position() + DCPTime::from_frames (offset, _film->video_frame_rate());
+ if (j->reference_video ()) {
+ a.push_back (
+ ReferencedReelAsset (
+ k->main_picture (),
+ DCPTimePeriod (from, from + DCPTime::from_frames (k->main_picture()->duration(), _film->video_frame_rate()))
+ )
+ );
+ }
+
+ if (j->reference_audio ()) {
+ a.push_back (
+ ReferencedReelAsset (
+ k->main_sound (),
+ DCPTimePeriod (from, from + DCPTime::from_frames (k->main_sound()->duration(), _film->video_frame_rate()))
+ )
+ );
+ }
+
+ if (j->reference_subtitle ()) {
+ a.push_back (
+ ReferencedReelAsset (
+ k->main_subtitle (),
+ DCPTimePeriod (from, from + DCPTime::from_frames (k->main_subtitle()->duration(), _film->video_frame_rate()))
+ )
+ );
+ }
+
+ /* Assume that main picture duration is the length of the reel */
+ offset += k->main_picture()->duration ();