diff --git a/libs/basic/utils.js b/libs/basic/utils.js
index 5b0a1ff0..73bff949 100644
--- a/libs/basic/utils.js
+++ b/libs/basic/utils.js
@@ -222,9 +222,6 @@ module.exports = (processCwd,config) => {
 
         return s;
     }
-    function roundNearest5(num) {
-      return Math.round(num / 5) * 5;
-    }
     return {
         parseJSON: parseJSON,
         stringJSON: stringJSON,
@@ -245,6 +242,5 @@ module.exports = (processCwd,config) => {
         asyncSetTimeout: asyncSetTimeout,
         copyFile: copyFile,
         hmsToSeconds,
-        roundNearest5,
     }
 }
diff --git a/libs/events/utils.js b/libs/events/utils.js
index 8b7c7ec3..33789eb4 100644
--- a/libs/events/utils.js
+++ b/libs/events/utils.js
@@ -28,9 +28,6 @@ module.exports = (s,config,lang,app,io) => {
         isEven,
         fetchTimeout,
     } = require('../basic/utils.js')(process.cwd(),config)
-    const {
-        roundNearest5,
-    } = require('../basic/utils.js')(process.cwd(),config)
     async function saveImageFromEvent(options,frameBuffer){
         const monitorId = options.mid || options.id
         const groupKey = options.ke
@@ -429,7 +426,7 @@ module.exports = (s,config,lang,app,io) => {
             monitorConfig.mode === 'start' &&
             (monitorDetails.detector_record_method === 'sip' || monitorDetails.detector_record_method === 'hot')
         ){
-            const secondBefore = (roundNearest5(parseInt(monitorDetails.detector_buffer_seconds_before)) || 5) + 1
+            const secondBefore = (parseInt(monitorDetails.detector_buffer_seconds_before) || 5) + 1
             createEventBasedRecording(d,moment(eventTime).subtract(secondBefore,'seconds').format('YYYY-MM-DDTHH-mm-ss'))
         }
         d.currentTime = eventTime
@@ -552,8 +549,8 @@ module.exports = (s,config,lang,app,io) => {
                 ){
                     outputMap += `-map 0:1 `
                 }
-                const secondsBefore = roundNearest5(parseInt(monitorDetails.detector_buffer_seconds_before)) || 5
-                let LiveStartIndex = parseInt(secondsBefore / 5)
+                const secondsBefore = parseInt(monitorDetails.detector_buffer_seconds_before) || 5
+                let LiveStartIndex = parseInt(secondsBefore / 2 + 1)
                 const ffmpegCommand = `-loglevel warning -live_start_index -${LiveStartIndex} -analyzeduration ${analyzeDuration} -probesize ${probeSize} -re -i "${s.dir.streams+d.ke+'/'+d.id}/detectorStream.m3u8" ${outputMap}-movflags faststart+frag_keyframe+empty_moov -fflags +igndts -c:v copy -c:a aac -strict -2 -strftime 1 -y "${s.getVideoDirectory(monitorConfig) + filename}"`
                 s.debugLog(ffmpegCommand)
                 activeMonitor.eventBasedRecording.process = spawn(
@@ -575,7 +572,7 @@ module.exports = (s,config,lang,app,io) => {
                         runRecord()
                         return
                     }
-                    const secondBefore = (roundNearest5(parseInt(monitorDetails.detector_buffer_seconds_before)) || 5) + 1
+                    const secondBefore = (parseInt(monitorDetails.detector_buffer_seconds_before) || 5) + 1
                     s.insertCompletedVideo(monitorConfig,{
                         file : filename,
                         endTime: moment(new Date()).subtract(secondBefore,'seconds')._d,
diff --git a/libs/ffmpeg/builders.js b/libs/ffmpeg/builders.js
index f321b0c8..0e5ff2f7 100644
--- a/libs/ffmpeg/builders.js
+++ b/libs/ffmpeg/builders.js
@@ -9,9 +9,6 @@ module.exports = (s,config,lang) => {
     const {
         validateDimensions,
     } = require('./utils.js')(s,config,lang)
-    const {
-        roundNearest5,
-    } = require('../basic/utils.js')(process.cwd(),config)
     if(!config.outputsWithAudio)config.outputsWithAudio = ['hls','flv','mp4','rtmp'];
     if(!config.outputsNotCapableOfPresets)config.outputsNotCapableOfPresets = [];
     const hasCudaEnabled = (monitor) => {
@@ -688,10 +685,10 @@ module.exports = (s,config,lang) => {
             const videoFps = !isNaN(parseFloat(e.details.stream_fps)) && e.details.stream_fps !== '0' ? parseFloat(e.details.stream_fps) : null
             const inputMap = buildInputMap(e,e.details.input_map_choices.detector_sip_buffer)
             const { videoWidth, videoHeight } = validateDimensions(e.details.event_record_scale_x,e.details.event_record_scale_y)
-            const hlsTime = !isNaN(parseInt(e.details.detector_buffer_hls_time)) ? `${parseInt(e.details.detector_buffer_hls_time)}` : '5'
+            const hlsTime = !isNaN(parseInt(e.details.detector_buffer_hls_time)) ? `${parseInt(e.details.detector_buffer_hls_time)}` : '2'
             // const hlsListSize = !isNaN(parseInt(e.details.detector_buffer_hls_list_size)) ? `${parseInt(e.details.detector_buffer_hls_list_size)}` : '4'
-            const secondsBefore = roundNearest5(parseInt(e.details.detector_buffer_seconds_before)) || 5
-            let hlsListSize = parseInt(secondsBefore / 5 + 3)
+            const secondsBefore = parseInt(e.details.detector_buffer_seconds_before) || 5
+            let hlsListSize = parseInt(secondsBefore / 2 + 3)
             // hlsListSize = hlsListSize < 5 ? 5 : hlsListSize;
             if(inputMap)outputFlags.push(inputMap)
             if(e.details.cust_sip_record)outputFlags.push(e.details.cust_sip_record)