From fb3b629357caef32a47bd5809f200039920eb427 Mon Sep 17 00:00:00 2001
From: Brandon Casey <2381475+brandonocasey@users.noreply.github.com>
Date: Thu, 21 Jan 2021 15:38:22 -0500
Subject: [PATCH] chore: remove unused and non-standard tag #ZEN-TOTAL-DURATION
 (#133)

---
 src/parse-stream.js                                  | 12 ------------
 test/fixtures/integration/absoluteUris.m3u8          |  1 -
 test/fixtures/integration/domainUris.m3u8            |  1 -
 test/fixtures/integration/emptyPlaylistType.m3u8     |  1 -
 test/fixtures/integration/event.m3u8                 |  1 -
 test/fixtures/integration/invalidPlaylistType.m3u8   |  1 -
 .../manifestExtTTargetdurationNegative.m3u8          |  1 -
 .../integration/manifestExtXEndlistEarly.m3u8        |  1 -
 test/fixtures/integration/manifestNoExtM3u.m3u8      |  1 -
 test/fixtures/integration/media.m3u8                 |  1 -
 test/fixtures/integration/whiteSpace.m3u8            |  1 -
 test/fixtures/integration/zeroDuration.m3u8          |  1 -
 12 files changed, 23 deletions(-)

diff --git a/src/parse-stream.js b/src/parse-stream.js
index a82a137..5836cab 100644
--- a/src/parse-stream.js
+++ b/src/parse-stream.js
@@ -174,18 +174,6 @@ export default class ParseStream extends Stream {
         this.trigger('data', event);
         return;
       }
-      match = (/^#ZEN-TOTAL-DURATION:?([0-9.]*)?/).exec(newLine);
-      if (match) {
-        event = {
-          type: 'tag',
-          tagType: 'totalduration'
-        };
-        if (match[1]) {
-          event.duration = parseInt(match[1], 10);
-        }
-        this.trigger('data', event);
-        return;
-      }
       match = (/^#EXT-X-VERSION:?([0-9.]*)?/).exec(newLine);
       if (match) {
         event = {
diff --git a/test/fixtures/integration/absoluteUris.m3u8 b/test/fixtures/integration/absoluteUris.m3u8
index 9c137a8..6fbaf05 100644
--- a/test/fixtures/integration/absoluteUris.m3u8
+++ b/test/fixtures/integration/absoluteUris.m3u8
@@ -9,5 +9,4 @@ https://example.com/00002.ts
 //example.com/00003.ts
 #EXTINF:10,
 http://example.com/00004.ts
-#ZEN-TOTAL-DURATION:57.9911
 #EXT-X-ENDLIST
diff --git a/test/fixtures/integration/domainUris.m3u8 b/test/fixtures/integration/domainUris.m3u8
index a5528ef..8134d07 100644
--- a/test/fixtures/integration/domainUris.m3u8
+++ b/test/fixtures/integration/domainUris.m3u8
@@ -9,5 +9,4 @@
 /00003.ts
 #EXTINF:10,
 /00004.ts
-#ZEN-TOTAL-DURATION:57.9911
 #EXT-X-ENDLIST
diff --git a/test/fixtures/integration/emptyPlaylistType.m3u8 b/test/fixtures/integration/emptyPlaylistType.m3u8
index 0b64e64..0396ca4 100644
--- a/test/fixtures/integration/emptyPlaylistType.m3u8
+++ b/test/fixtures/integration/emptyPlaylistType.m3u8
@@ -13,5 +13,4 @@
 /test/ts-files/zencoder/haze/Haze_Mantel_President_encoded_1200-00005.ts
 #EXTINF:8,
 /test/ts-files/zencoder/haze/Haze_Mantel_President_encoded_1200-00006.ts
-#ZEN-TOTAL-DURATION:57.9911
 #EXT-X-ENDLIST
diff --git a/test/fixtures/integration/event.m3u8 b/test/fixtures/integration/event.m3u8
index 7e5b29a..cb6381d 100644
--- a/test/fixtures/integration/event.m3u8
+++ b/test/fixtures/integration/event.m3u8
@@ -13,5 +13,4 @@
 /test/ts-files/zencoder/haze/Haze_Mantel_President_encoded_1200-00005.ts
 #EXTINF:8,
 /test/ts-files/zencoder/haze/Haze_Mantel_President_encoded_1200-00006.ts
-#ZEN-TOTAL-DURATION:57.9911
 #EXT-X-ENDLIST
diff --git a/test/fixtures/integration/invalidPlaylistType.m3u8 b/test/fixtures/integration/invalidPlaylistType.m3u8
index c901083..8b95bed 100644
--- a/test/fixtures/integration/invalidPlaylistType.m3u8
+++ b/test/fixtures/integration/invalidPlaylistType.m3u8
@@ -13,5 +13,4 @@
 /test/ts-files/zencoder/haze/Haze_Mantel_President_encoded_1200-00005.ts
 #EXTINF:8,
 /test/ts-files/zencoder/haze/Haze_Mantel_President_encoded_1200-00006.ts
-#ZEN-TOTAL-DURATION:57.9911
 #EXT-X-ENDLIST
diff --git a/test/fixtures/integration/manifestExtTTargetdurationNegative.m3u8 b/test/fixtures/integration/manifestExtTTargetdurationNegative.m3u8
index d3c154b..7b3d10e 100644
--- a/test/fixtures/integration/manifestExtTTargetdurationNegative.m3u8
+++ b/test/fixtures/integration/manifestExtTTargetdurationNegative.m3u8
@@ -1,5 +1,4 @@
 #EXTM3U
-#ZEN-TOTAL-DURATION:50
 #EXT-X-TARGETDURATION:-10
 #EXTINF:10,
 /test/ts-files/zencoder/gogo/00001.ts
diff --git a/test/fixtures/integration/manifestExtXEndlistEarly.m3u8 b/test/fixtures/integration/manifestExtXEndlistEarly.m3u8
index e251472..dd19745 100644
--- a/test/fixtures/integration/manifestExtXEndlistEarly.m3u8
+++ b/test/fixtures/integration/manifestExtXEndlistEarly.m3u8
@@ -1,5 +1,4 @@
 #EXTM3U
-#ZEN-TOTAL-DURATION:50
 #EXT-X-TARGETDURATION:10
 #EXTINF:10,
 /test/ts-files/zencoder/gogo/00001.ts
diff --git a/test/fixtures/integration/manifestNoExtM3u.m3u8 b/test/fixtures/integration/manifestNoExtM3u.m3u8
index 3f3919a..2058c16 100644
--- a/test/fixtures/integration/manifestNoExtM3u.m3u8
+++ b/test/fixtures/integration/manifestNoExtM3u.m3u8
@@ -1,4 +1,3 @@
-#ZEN-TOTAL-DURATION:10
 #EXT-X-TARGETDURATION:10
 #EXTINF:10,
 /test/ts-files/zencoder/gogo/00001.ts
diff --git a/test/fixtures/integration/media.m3u8 b/test/fixtures/integration/media.m3u8
index 4658b58..f191b7f 100644
--- a/test/fixtures/integration/media.m3u8
+++ b/test/fixtures/integration/media.m3u8
@@ -9,5 +9,4 @@ media-00002.ts
 media-00003.ts
 #EXTINF:10,
 media-00004.ts
-#ZEN-TOTAL-DURATION:57.9911
 #EXT-X-ENDLIST
diff --git a/test/fixtures/integration/whiteSpace.m3u8 b/test/fixtures/integration/whiteSpace.m3u8
index ca51362..62e0c4c 100644
--- a/test/fixtures/integration/whiteSpace.m3u8
+++ b/test/fixtures/integration/whiteSpace.m3u8
@@ -10,5 +10,4 @@ http://example.com/00001.ts
  //example.com/00003.ts 
 #EXTINF:10,
 	http://example.com/00004.ts
-#ZEN-TOTAL-DURATION:57.9911
 #EXT-X-ENDLIST
diff --git a/test/fixtures/integration/zeroDuration.m3u8 b/test/fixtures/integration/zeroDuration.m3u8
index 20aaf6d..2245b98 100644
--- a/test/fixtures/integration/zeroDuration.m3u8
+++ b/test/fixtures/integration/zeroDuration.m3u8
@@ -4,5 +4,4 @@
 
 #EXTINF:0,
 http://example.com/00001.ts
-#ZEN-TOTAL-DURATION:57.9911
 #EXT-X-ENDLIST