From 69c6d150e2835cb771cc375d3000f3d41e14fd9c Mon Sep 17 00:00:00 2001
From: Mattias Wadman <mattias.wadman@gmail.com>
Date: Tue, 31 Aug 2021 17:18:05 +0200
Subject: [PATCH] editlit.jq: Update after mp4 field renames

---
 dev/editlist.jq | 48 +++++++++++++++++++++++++++---------------------
 1 file changed, 27 insertions(+), 21 deletions(-)

diff --git a/dev/editlist.jq b/dev/editlist.jq
index d856b92a..7ce835f7 100755
--- a/dev/editlist.jq
+++ b/dev/editlist.jq
@@ -23,27 +23,33 @@
     time_scale: $mvhd.time_scale,
     duration_s: ($mvhd.duration / $mvhd.time_scale),
     tracks:
-    [ .boxes[]
-    | select(.type == "trak")
-    | first(.. | select(.type == "mdhd")?) as $mdhd
-    | first(.. | select(.type == "hdlr")?) as $hdlr
-    | first(.. | select(.type == "stsd")?) as $stsd
-    | first(.. | select(.type == "elst")?) as $elst
-    | {
-        component_type: $hdlr.component_subtype,
-        data_format: $stsd.sample_descriptions[0].data_format,
-        media_scale: $mdhd.time_scale,
-        edit_list:
-        [ $elst.table[]
-        | {
-            time_scale: $mdhd.time_scale,
-            track_duration: .track_duration,
-            media_time: .media_time,
-            track_duration_s: (.track_duration / $mvhd.time_scale),
-            media_time_s: (.media_time / $mdhd.time_scale)
+      [ .boxes[]
+      | select(.type == "trak")
+      | first(.. | select(.type == "mdhd")?) as $mdhd
+      | first(.. | select(.type == "hdlr")?) as $hdlr
+      | first(.. | select(.type == "stsd")?) as $stsd
+      | first(.. | select(.type == "elst")?) as $elst
+      | first(.. | select(.type == "stts")?) as $stts
+      | ([$stts.entries[] | .count * .delta] | add) as $stts_sum
+      | {
+          component_type: $hdlr.component_subtype,
+          # the sample descriptors are handled as boxes by the mp4 decoder
+          data_format: $stsd.boxes[0].type,
+          media_scale: $mdhd.time_scale,
+          edit_list:
+            [ $elst.entries[]
+            | {
+                track_duration: .segment_duration,
+                media_time: .media_time,
+                track_duration_s: (.segment_duration / $mvhd.time_scale),
+                media_time_s: (.media_time / $mdhd.time_scale)
+              }
+            ],
+          stts: {
+            sum: $stts_sum,
+            sum_s: ($stts_sum / $mdhd.time_scale)
           }
-        ]
-      }
-    ]
+        }
+      ]
   }
 )