diff --git a/src/io.cpp b/src/io.cpp
index c51c1f03..5f1b5779 100644
--- a/src/io.cpp
+++ b/src/io.cpp
@@ -218,7 +218,7 @@ namespace Mist {
     size_t curOffset = pagesByTrack[tid][curPageNum[tid]].curOffset;
     //Do nothing when there is not enough free space on the page to add the packet.
     if (pagesByTrack[tid][curPageNum[tid]].dataSize - curOffset < pack.getDataLen()) {
-      INFO_MSG("Trying to buffer a packet on page %lu for track %lu~>%lu, but we have a size mismatch", curPageNum[tid], tid, mapTid);
+      FAIL_MSG("Trying to buffer a packet on page %lu for track %lu~>%lu, but we have a size mismatch. The packet is %lu bytes long, so won't fit at offset %lu on a page of %lu bytes!", curPageNum[tid], tid, mapTid, pack.getDataLen(), curOffset, pagesByTrack[tid][curPageNum[tid]].dataSize);
       return;
     }
 
diff --git a/src/output/output_hls.cpp b/src/output/output_hls.cpp
index 33ea94d9..cec5ff4c 100644
--- a/src/output/output_hls.cpp
+++ b/src/output/output_hls.cpp
@@ -175,6 +175,17 @@ namespace Mist {
       return;
     } //crossdomain.xml
     
+    if (H.method == "OPTIONS"){
+      H.Clean();
+      H.SetHeader("Content-Type", "application/octet-stream");
+      H.SetHeader("Cache-Control", "no-cache");
+      H.setCORSHeaders();
+      H.SetBody("");
+      H.SendResponse("200", "OK", myConn);
+      H.Clean();
+      return;
+    }
+    
     if (H.url.find("hls") == std::string::npos){
       myConn.close();
       return;
diff --git a/src/output/output_hss.cpp b/src/output/output_hss.cpp
index aad71b9d..0087cc56 100644
--- a/src/output/output_hss.cpp
+++ b/src/output/output_hss.cpp
@@ -313,6 +313,7 @@ namespace Mist {
 
     H.Clean();
     H.SetHeader("Content-Type", "video/mp4");
+    H.setCORSHeaders();
     H.StartResponse(H, myConn);
     H.Chunkify(moof_box.asBox(), moof_box.boxedSize(), myConn);
     int size = htonl(keySize + 8);
@@ -505,12 +506,23 @@ namespace Mist {
 
 
   void OutHSS::onHTTP() {
+    if (H.method == "OPTIONS"){
+      H.Clean();
+      H.SetHeader("Content-Type", "application/octet-stream");
+      H.SetHeader("Cache-Control", "no-cache");
+      H.setCORSHeaders();
+      H.SetBody("");
+      H.SendResponse("200", "OK", myConn);
+      H.Clean();
+      return;
+    }
     initialize();
     if (H.url.find("Manifest") != std::string::npos) {
       //Manifest, direct reply
       H.Clean();
       H.SetHeader("Content-Type", "text/xml");
       H.SetHeader("Cache-Control", "no-cache");
+      H.setCORSHeaders();
       /*LTS
       std::string manifest = smoothIndex();
       LTS*/