From 4a6bd11b5ccad0f7610af4f785aeaf5c9658314e Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Fri, 20 Dec 2019 00:37:10 +0800
Subject: Added multitrack audio support.

---
 libs/music/player                  |  5 ++++-
 libs/music/player.d/main_static.js | 26 +++++++++++++++++++++++++-
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/libs/music/player b/libs/music/player
index 8ce5871..8b9e78d 100644
--- a/libs/music/player
+++ b/libs/music/player
@@ -62,6 +62,8 @@
 The Stupid Online Player
 License: Expat (MIT)
 Changelog:
+2019.12.20 2.6.0
+Added multitrack audio support.
 2018.11.29 2.5.4
 Tidied the code up a bit.
 2018.11.29 2.5.3+b2
@@ -127,7 +129,7 @@ The online player was added.
 			<li><a href="/libs/music/player"><h2>Music Library</h2></a></li>
 			<li><ul id="plists"></ul></li>
 			<li><a href="//filestorage.chrisoft.org/music/" target="_blank">Downloads</a></li>
-			<li><a>TSOP 2.5.3</a></li>
+			<li><a>TSOP 2.6.0</a></li>
 		</ul>
 	</div>
 	<div id="content">
@@ -139,6 +141,7 @@ The online player was added.
 	<div id="ctrlcontainer" class="footer TText widgetbg">
 		<div class="switches" style="text-align:right;padding-top:0.25em 0 0.25em 0;">
 		<div style="text-align:center;width:100%;" id="nowplaying"></div>
+		<span id="mt" style="display:none;">Press C to switch tracks</span>
 		<a id="am3u8" href="#">[m3u8 Playlist]</a>
 		<a id="plistsw" href="javascript:void(0);">[Hide Playlist]</a>
 		</div>
diff --git a/libs/music/player.d/main_static.js b/libs/music/player.d/main_static.js
index 311aa99..213dcc9 100644
--- a/libs/music/player.d/main_static.js
+++ b/libs/music/player.d/main_static.js
@@ -197,7 +197,7 @@ NSUI={
 				NSUI.audio.currentTime=NSUI.audio.duration*p;
 			}
 		};
-		NSUI.iplaypause.onclick=function()
+		const playpausef=function()
 		{
 			if(NSUI.audio.src=='')
 			{
@@ -219,6 +219,7 @@ NSUI={
 				NSUI.iplaypause.style.backgroundPosition=`${NSUI.bplayrect}`;
 			}
 		};
+		NSUI.iplaypause.onclick=playpausef;
 		NSUI.pbprev.onclick=function()
 		{
 			if(NSUI.audio.currentTime>10)NSUI.audio.currentTime=0;
@@ -230,6 +231,23 @@ NSUI={
 			navigator.mediaSession.setActionHandler('previoustrack',NSUI.pbprev.onclick);
 			navigator.mediaSession.setActionHandler('nexttrack',NSUI.pbnext.onclick);
 		}
+		window.onkeydown=function(e)
+		{
+			if(e.key==' ')
+			{
+				playpausef();
+				return false;
+			}
+			if(e.key=='c')
+			if(NSUI.audio.audioTracks.length==2)
+			{
+				const t=NSUI.audio.currentTime;
+				NSUI.audio.audioTracks[0].enabled^=1;
+				NSUI.audio.audioTracks[1].enabled^=1;
+				NSUI.audio.currentTime=t;
+			}
+			return true;
+		};
 	},
 	load_playlists:async function()
 	{
@@ -614,6 +632,12 @@ function init()
 	NSVisualization.init();NSInk.inkPrepare();
 	NSUI.audio.ontimeupdate=NSUI.timeUpdate;
 	NSUI.audio.onended=NSPlayer.next.bind(NSPlayer);
+	NSUI.audio.onplay=NSUI.audio.ondurationchange=function(){
+		if(NSUI.audio.audioTracks.length==2)
+			sh.elem('mt').style.display='inline';
+		else
+			sh.elem('mt').style.display='none';
+	};
 	switch(sh.getcookie('playershuffle'))
 	{
 		case '1':NSPlayer.shuffle=1;break;
-- 
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