diff --git a/encoder/firmware.php b/encoder/firmware.php
index 54b475a..553c09e 100755
--- a/encoder/firmware.php
+++ b/encoder/firmware.php
@@ -9,7 +9,7 @@ https://github.com/shreebhattji/Urmi/blob/main/licence.md
 */
 
 exec("sudo chmod 444 /sys/class/dmi/id/product_uuid");
-$version = "11.20";
+$version = "11.21";
 
 function fail(string $msg): never
 {
diff --git a/encoder/input.php b/encoder/input.php
index 9abaf38..6111cba 100755
--- a/encoder/input.php
+++ b/encoder/input.php
@@ -283,7 +283,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                             </div>
                         </div>
                         <div class="input-group">
-                            <input type="text" id="common_backend_data_rate" name="common_backend_data_rate" placeholder="5M" value="<?php echo htmlspecialchars($data['common_backend']['data_rate']); ?>">
+                            <input type="text" id="common_backend_data_rate" name="common_backend_data_rate" placeholder="in kbps" value="<?php echo htmlspecialchars($data['common_backend']['data_rate']); ?>">
                             <label for="common_backend_data_rate">Data Rate :</label>
                         </div>
                         <div class="input-group">
diff --git a/encoder/static.php b/encoder/static.php
index 6fe71fc..3e0ae8a 100755
--- a/encoder/static.php
+++ b/encoder/static.php
@@ -384,17 +384,17 @@ function update_service($which_service)
         case "copy_input":
             switch ($input_source) {
                 case "hdmi":
-                    $input .= "ffmpeg -hide_banner -init_hw_device qsv=hw -filter_hw_device hw -fflags +genpts -use_wallclock_as_timestamps 1 -f v4l2 -thread_queue_size 512 -input_format yuyv422 "
+                    $input .= "ffmpeg -hide_banner -init_hw_device qsv=hw -filter_hw_device hw -hwaccel qsv -hwaccel_output_format qsv -c:v mjpeg_qsv -fflags +genpts -use_wallclock_as_timestamps 1 -f v4l2 -thread_queue_size 512 -input_format mjpeg "
                         . " -video_size " . $data['hdmi']['resolution']
                         . " -framerate " . $data['hdmi']['framerate']
                         . " -i /dev/video0"
-                        . " -f alsa -thread_queue_size 1024 -i " . $data['hdmi']['audio_source']
+                        . " -f alsa -thread_queue_size 2048 -i " . $data['hdmi']['audio_source']
                         . " -c:v h264_qsv -profile:v high -level:v 4.2   -b:v 6M -maxrate 6M -bufsize 12M "
                         . " -c:a aac -b:a 265k  -ar 48000 -muxrate 0 -pat_period 0.1  -pkt_size 1316 ";
                     if ($hdmi_delay_video != "")
-                        $input .= ' -vf "format=nv12,hwupload=extra_hw_frames=64,scale_qsv=' . $common_backend_resolution . ',' . setptsFromMs($hdmi_delay_video) . '"';
+                        $input .= ' -vf "vpp_qsv=format=nv12:in_range=full:out_range=full,scale_qsv=' . $common_backend_resolution . ',' . setptsFromMs($hdmi_delay_video) . '"';
                     else
-                        $input .= ' -vf "format=nv12,hwupload=extra_hw_frames=64,scale_qsv=' . $common_backend_resolution . '"';
+                        $input .= ' -vf "vpp_qsv=format=nv12:in_range=full:out_range=full,scale_qsv=' . $common_backend_resolution . '"';
                     if ($hdmi_delay_audio != "")
                         $input .= adelayFromMs($hdmi_delay_audio, 2);
 
@@ -417,20 +417,20 @@ function update_service($which_service)
         case "use_common_backend":
             switch ($input_source) {
                 case "hdmi":
-                    $input .= "ffmpeg -hide_banner -init_hw_device qsv=hw -filter_hw_device hw -fflags +genpts -use_wallclock_as_timestamps 1 -f v4l2 -thread_queue_size 512 -input_format yuyv422 -video_size "
-                        . $data['hdmi']['resolution']
-                        . " -framerate " . $data['hdmi']['framerate'] . " -i /dev/video0 -f alsa -thread_queue_size 512 -i " . $data['hdmi']['audio_source'];
+                    $input .= "ffmpeg -hide_banner -init_hw_device qsv=hw -filter_hw_device hw -hwaccel qsv -hwaccel_output_format qsv -c:v mjpeg_qsv -fflags +genpts -use_wallclock_as_timestamps 1 -f v4l2 -thread_queue_size 512 -input_format mjpeg "
+                        . " -video_size ". $data['hdmi']['resolution']
+                        . " -framerate " . $data['hdmi']['framerate'] . " -i /dev/video0 -f alsa -thread_queue_size 2048 -i " . $data['hdmi']['audio_source'];
 
                     if ($data['hdmi']['resolution'] == $data['common_backend']['resolution']) {
                         if ($hdmi_delay_video != "")
-                            $input .= ' -vf "format=nv12,hwupload=extra_hw_frames=64,' . setptsFromMs($hdmi_delay_video) . '"';
+                            $input .= ' -vf "vpp_qsv=format=nv12:in_range=full:out_range=full,' . setptsFromMs($hdmi_delay_video) . '"';
                         else
-                            $input .= ' -vf "format=nv12,hwupload=extra_hw_frames=64"';
+                            $input .= ' -vf "vpp_qsv=format=nv12:in_range=full:out_range=full"';
                     } else {
                         if ($hdmi_delay_video != "")
-                            $input .= ' -vf "format=nv12,hwupload=extra_hw_frames=64,scale_qsv=' . $common_backend_resolution . ',' . setptsFromMs($hdmi_delay_video) . '"';
+                            $input .= ' -vf "vpp_qsv=format=nv12:in_range=full:out_range=full,scale_qsv=' . $common_backend_resolution . ',' . setptsFromMs($hdmi_delay_video) . '"';
                         else
-                            $input .= ' -vf "format=nv12,hwupload=extra_hw_frames=64,scale_qsv=' . $common_backend_resolution . '"';
+                            $input .= ' -vf "vpp_qsv=format=nv12:in_range=full:out_range=full,scale_qsv=' . $common_backend_resolution . '"';
                     }
                     $input .=  " -c:v h264_qsv -profile:v high -level:v 4.2 "
                         . " -b:v " . $common_backend_data_rate