diff --git a/encoder/output.php b/encoder/output.php
index a001739..d3ef8d3 100755
--- a/encoder/output.php
+++ b/encoder/output.php
@@ -41,7 +41,7 @@ $defaults = [
   ],
   'rtmp1' => [
     'common_backend' => 'disable',
-    'resolution' => '720x576',
+    'resolution' => '702x576',
     'data_rate' => '1.5M',
     'framerate' => '25',
     'gop' => '25',
@@ -423,7 +423,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
               <div class="dropdown">
                 <select name="rtmp0_resolution" id="rtmp0_resolution">
                   <option value="720x480" <?php if ($data['rtmp0']['resolution'] == '720x480') echo 'selected'; ?>>480p 720x480 NTSC DVD</option>
-                  <option value="720x576" <?php if ($data['rtmp0']['resolution'] == '720x576') echo 'selected'; ?>>576p 720x576 PAL DVD</option>
+                  <option value="702x576" <?php if ($data['rtmp0']['resolution'] == '702x576') echo 'selected'; ?>>576p 702x576 PAL DVD</option>
                   <option value="1280x720" <?php if ($data['rtmp0']['resolution'] == '1280x720') echo 'selected'; ?>>720p 1280x720 HD</option>
                   <option value="1920x1080" <?php if ($data['rtmp0']['resolution'] == '1920x1080') echo 'selected'; ?>>1080p 1920x1080 FHD</option>
                   <option value="2560x1440" <?php if ($data['rtmp0']['resolution'] == '2560x1440') echo 'selected'; ?>>2k 2560x1440 QHD</option>
@@ -562,7 +562,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
               <div class="dropdown">
                 <select name="rtmp1_resolution" id="rtmp1_resolution">
                   <option value="720x480" <?php if ($data['rtmp1']['resolution'] == '720x480') echo 'selected'; ?>>480p 720x480 NTSC DVD</option>
-                  <option value="720x576" <?php if ($data['rtmp1']['resolution'] == '720x576') echo 'selected'; ?>>576p 720x576 PAL DVD</option>
+                  <option value="702x576" <?php if ($data['rtmp1']['resolution'] == '702x576') echo 'selected'; ?>>576p 702x576 PAL DVD</option>
                   <option value="1280x720" <?php if ($data['rtmp1']['resolution'] == '1280x720') echo 'selected'; ?>>720p 1280x720 HD</option>
                   <option value="1920x1080" <?php if ($data['rtmp1']['resolution'] == '1920x1080') echo 'selected'; ?>>1080p 1920x1080 FHD</option>
                   <option value="2560x1440" <?php if ($data['rtmp1']['resolution'] == '2560x1440') echo 'selected'; ?>>2k 2560x1440 QHD</option>
@@ -1108,6 +1108,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                 <select name="srt_format" id="srt_format">
                   <option value="h264_qsv" <?php if ($data['srt']['format'] == 'h264_qsv') echo 'selected'; ?>>h264</option>
                   <option value="hevc_qsv" <?php if ($data['srt']['format'] == 'hevc_qsv') echo 'selected'; ?>>h265</option>
+                  <option value="vp9_qsv" <?php if ($data['srt']['format'] == 'vp9_qsv') echo 'selected'; ?>>vp9</option>
                 </select>
               </div>
             </div>
@@ -1116,7 +1117,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
               <div class="dropdown">
                 <select name="srt_resolution" id="srt_resolution">
                   <option value="720x480" <?php if ($data['srt']['resolution'] == '720x480') echo 'selected'; ?>>480p 720x480 NTSC DVD</option>
-                  <option value="720x576" <?php if ($data['srt']['resolution'] == '720x576') echo 'selected'; ?>>576p 720x576 PAL DVD</option>
+                  <option value="702x576" <?php if ($data['srt']['resolution'] == '702x576') echo 'selected'; ?>>576p 702x576 PAL DVD</option>
                   <option value="1280x720" <?php if ($data['srt']['resolution'] == '1280x720') echo 'selected'; ?>>720p 1280x720 HD</option>
                   <option value="1920x1080" <?php if ($data['srt']['resolution'] == '1920x1080') echo 'selected'; ?>>1080p 1920x1080 FHD</option>
                   <option value="2560x1440" <?php if ($data['srt']['resolution'] == '2560x1440') echo 'selected'; ?>>2k 2560x1440 QHD</option>
diff --git a/encoder/static.php b/encoder/static.php
index 76c4e7a..7431e4d 100755
--- a/encoder/static.php
+++ b/encoder/static.php
@@ -398,9 +398,9 @@ function update_service($which_service)
     $hdmi_saturation = $data['hdmi']['saturation'];
     $hdmi_hue = $data['hdmi']['hue'];
 
-    if ($srt_pass1 == "")
+    if ($srt_pass1 === "")
         $srt_pass1 = generateRandomString(16);
-    if ($srt_pass2 == "")
+    if ($srt_pass2 === "")
         $srt_pass2 = generateRandomString(16);
     switch ($use_common_backend) {
         case "copy_input":
@@ -721,7 +721,7 @@ function update_service($which_service)
 
     switch ($which_service) {
         case 'input':
-            if ($use_common_backend == "") {
+            if ($use_common_backend === "") {
                 exec("sudo systemctl stop encoder-main");
                 exec("sudo systemctl disable encoder-main");
             } else {
@@ -891,7 +891,7 @@ function update_service($which_service)
                         break;
                 }
 
-                if ($use_common_backend == "use_common_backend" && ($data['srt']['format'] == "h264_qsv" || $data['srt']['format'] == "hevc_qsv")) {
+                if ($use_common_backend === "use_common_backend" && ($data['srt']['format'] === "h264_qsv" || $data['srt']['format'] === "hevc_qsv")) {
                     $udp0 = str_replace("ffmpeg -hwaccel auto -hide_banner  -fflags +discardcorrupt -i", "ffmpeg  -hwaccel qsv -hwaccel_output_format qsv -hide_banner -i ", $srt);
                     $udp0 = str_replace("scale", "vpp_qsv", $srt);
                     $udp0 = str_replace("resolution_resolution_resolution", toVppScale($data['srt']['resolution']), $srt);
@@ -949,7 +949,7 @@ function update_service($which_service)
                             . ' -metadata service_provider=ShreeBhattJI -f mpegts "' . $data['udp0']['udp'] . '?pkt_size=1316&ttl=4&buffer_size=1048576"';
                         break;
                 }
-                if ($use_common_backend == "use_common_backend" && ($data['udp0']['format'] == "h264_qsv" || $data['udp0']['format'] == "hevc_qsv")) {
+                if ($use_common_backend === "use_common_backend" && ($data['udp0']['format'] === "h264_qsv" || $data['udp0']['format'] === "hevc_qsv")) {
                     $udp0 = str_replace("ffmpeg -hwaccel auto -hide_banner -i", "ffmpeg  -hwaccel qsv -hwaccel_output_format qsv -hide_banner -i ", $udp0);
                     $udp0 = str_replace("scale", "vpp_qsv", $udp0);
                     $udp0 = str_replace("resolution_resolution_resolution", toVppScale($data['udp0']['resolution']), $udp0);
@@ -957,7 +957,7 @@ function update_service($which_service)
                 } else {
                     $udp0 = str_replace("resolution_resolution_resolution", str_replace("x", ":", $data['udp0']['resolution']), $udp0);
                 }
-                if ($data['udp0']['service_udp0_output'] == "usb") {
+                if ($data['udp0']['service_udp0_output'] === "usb") {
                     $udp0 = str_replace("pkt_size=1316", "pkt_size=1316&localaddr=172.16.111.111", $udp0);
                 }
                 if ($data['udp0']['udp0_service_name'] != "") {
@@ -1011,7 +1011,7 @@ function update_service($which_service)
                             . ' -metadata service_provider=ShreeBhattJI -f mpegts "' . $data['udp1']['udp'] . '?pkt_size=1316&ttl=4&buffer_size=1048576"';
                         break;
                 }
-                if ($use_common_backend == "use_common_backend" && ($data['udp1']['format'] == "h264_qsv" || $data['udp1']['format'] == "hevc_qsv")) {
+                if ($use_common_backend === "use_common_backend" && ($data['udp1']['format'] === "h264_qsv" || $data['udp1']['format'] === "hevc_qsv")) {
                     $udp1 = str_replace("ffmpeg -hwaccel auto -hide_banner -i", "ffmpeg  -hwaccel qsv -hwaccel_output_format qsv -hide_banner -i ", $udp1);
                     $udp1 = str_replace("scale", "vpp_qsv", $udp1);
                     $udp1 = str_replace("resolution_resolution_resolution", toVppScale($data['udp1']['resolution']), $udp1);
@@ -1072,7 +1072,7 @@ function update_service($which_service)
                             . ' ' . $data['udp2']['extra']
                             . ' -metadata service_provider=ShreeBhattJI -f mpegts "' . $data['udp2']['udp'] . '?pkt_size=1316&ttl=4&buffer_size=1048576"';
 
-                        if ($use_common_backend == "use_common_backend" && ($data['udp2']['format'] == "h264_qsv" || $data['udp2']['format'] == "hevc_qsv")) {
+                        if ($use_common_backend === "use_common_backend" && ($data['udp2']['format'] === "h264_qsv" || $data['udp2']['format'] === "hevc_qsv")) {
                             $udp2 = str_replace("ffmpeg -hwaccel auto -hide_banner -i", "ffmpeg  -hwaccel qsv -hwaccel_output_format qsv -hide_banner -i ", $udp2);
                             $udp2 = str_replace("scale", "vpp_qsv", $udp2);
                             $udp2 = str_replace("resolution_resolution_resolution", toVppScale($data['udp2']['resolution']), $udp2);
@@ -1080,7 +1080,7 @@ function update_service($which_service)
                         } else {
                             $udp2 = str_replace("resolution_resolution_resolution", str_replace("x", ":", $data['udp2']['resolution']), $udp2);
                         }
-                        if ($data['udp2']['service_udp2_output'] == "usb") {
+                        if ($data['udp2']['service_udp2_output'] === "usb") {
                             $udp2 = str_replace("pkt_size=1316", "pkt_size=1316&localaddr=172.16.111.111", $udp2);
                         }
                         if ($data['udp2']['udp2_service_name'] != "") {