From dd67179fd46d1c075ca2e813d445ec84de41e6e6 Mon Sep 17 00:00:00 2001
From: calzoneman <calzoneman@gmail.com>
Date: Fri, 10 May 2013 16:31:04 -0400
Subject: [PATCH] Variable sync accuracy

---
 www/assets/js/client.js    | 4 ++--
 www/assets/js/functions.js | 6 ++++++
 www/assets/js/media.js     | 6 +++---
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/www/assets/js/client.js b/www/assets/js/client.js
index 82373e0e..e4fa77d1 100644
--- a/www/assets/js/client.js
+++ b/www/assets/js/client.js
@@ -9,7 +9,6 @@ The above copyright notice and this permission notice shall be included in all c
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
-const SYNC_THRESHOLD = 2;
 var LEADER = false;
 var PLAYER = false;
 var MEDIATYPE = "yt";
@@ -62,7 +61,8 @@ var USEROPTS = {
     hidevid         : parseBool(getOrDefault("cytube_hidevid", false)),
     show_timestamps : parseBool(getOrDefault("cytube_show_timestamps", false)),
     modhat          : parseBool(getOrDefault("cytube_modhat", false)),
-    blink_title     : parseBool(getOrDefault("cytube_blink_title", false))
+    blink_title     : parseBool(getOrDefault("cytube_blink_title", false)),
+    sync_accuracy   : parseFloat(getOrDefault("cytube_sync_accuracy", 2)) || 2
 };
 applyOpts();
 $("#optlink").click(showUserOpts);
diff --git a/www/assets/js/functions.js b/www/assets/js/functions.js
index e3e595fa..d59a959d 100644
--- a/www/assets/js/functions.js
+++ b/www/assets/js/functions.js
@@ -817,6 +817,11 @@ function showUserOpts() {
     synch.prop("checked", USEROPTS.synch);
     addOption("Synch", synchcontainer);
 
+    var syncacc = $("<input/>").attr("type", "text")
+        .attr("placeholder", "Seconds");
+    syncacc.val(USEROPTS.sync_accuracy);
+    addOption("Synch Accuracy", syncacc);
+
     var vidcontainer = $("<label/>").addClass("checkbox")
         .text("Hide Video");
     var hidevid = $("<input/>").attr("type", "checkbox").appendTo(vidcontainer);
@@ -854,6 +859,7 @@ function showUserOpts() {
         USEROPTS.css             = usercss.val();
         USEROPTS.layout          = layoutselect.val();
         USEROPTS.synch           = synch.prop("checked");
+        USEROPTS.sync_accuracy   = parseFloat(syncacc.val()) || 2;
         USEROPTS.hidevid         = hidevid.prop("checked");
         USEROPTS.show_timestamps = showts.prop("checked");
         USEROPTS.blink_title     = blink.prop("checked");
diff --git a/www/assets/js/media.js b/www/assets/js/media.js
index 68623953..b40711f4 100644
--- a/www/assets/js/media.js
+++ b/www/assets/js/media.js
@@ -326,12 +326,12 @@ Media.prototype.update = function(data) {
         var time = data.currentTime;
         var diff = time - seconds || time;
 
-        var a = SYNC_THRESHOLD + 1;
+        var a = USEROPTS.sync_accuracy + 1;
         // If 2 updates in a row have lag, compensate for buffering
-        if(diff >= a && diff <= 6 && this.diff >= a && this.diff <= 6) {
+        if(diff >= a && diff <= a*3 && this.diff >= a && this.diff <= a*3) {
             this.seek(time + diff);
         }
-        else if(diff < -2 || diff >= SYNC_THRESHOLD) {
+        else if(diff < -USEROPTS.sync_accuracy || diff >= USEROPTS.sync_accuracy) {
             if(diff < 0) {
                 this.seek(time + 0.5);
             }