Various fixes, basic functionality working now

Insta360_EVO_to_VR

-#!/bin/bash 
+#!/bin/bash  
 btime_=`grep btime /proc/stat | awk '{print $2}'`
 utime_=`awk '{print $1}' /proc/uptime`
 btime_utime_=`echo "${btime_?} + ${utime_?}" | bc -l`
@@ -12,6 +12,20 @@ fi
 HLS="n"
 MP4="n"
 EQ="n"
+HLSDIR="HLS"
+scales="5760x2880 5120x2560 4096x2048 3840x1920 2880x1440"
+degree="180"
+yaw="-90"
+#VENC="libx264" # can be libx264 or h264_nvenc ( nvidia only after https://github.com/davidramiro/ffmpeg-nvenc-debian )
+VENC="h264_nvenc"
+HWACC="-hwaccel cuda -hwaccel_output_format cuda"
+#HWACC=""
+YES="-y"
+MAXGPUS=3
+
+
+PRESET="slower"
+
 case "${1}" in
    hls)
       HLS="y"
@@ -55,16 +69,6 @@ esac
 
 
 
-scales="5760x2880 5120x2560 4096x2048 3840x1920 2880x1440"
-degree="180"
-yaw="-90"
-#VENC="libx264" # can be libx264 or h264_nvenc ( nvidia only after https://github.com/davidramiro/ffmpeg-nvenc-debian )
-VENC="h264_nvenc"
-HWACC="-hwaccel cuda -hwaccel_output_format cuda"
-#HWACC=""
-YES="-y"
-
-PRESET="slower"
 if [ "$VENC" == "h264_nvenc" ] ; then
    PRESET="slow"
 fi
@@ -104,6 +108,9 @@ scalestring=""
 vmaps=""
 amaps=""
 tees=""
+hlsselect=""
+streammap=""
+gpus=0
 for ftype in mp4 hls
 do
    case $ftype in
@@ -115,6 +122,9 @@ do
       hls)
          if [ $HLS != "y" ] ; then
             continue
+         else
+            mkdir -p ${HLSDIR}
+            mkdir -p ${HLSDIR}/${outf}
          fi
     esac
    for scale in $scales
@@ -131,6 +141,14 @@ do
       if [ "$width" -gt "4097" ] ; then
          ViENC="libx264"
       fi
+      if [ x"$ViENC" == x"h264_nvenc" ] ; then
+         if [ "$gpus" -gt "$((MAXGPUS-1))" ] ; then
+            ViENC="libx264"
+            echo "MAX GPU REACHED"
+         fi
+         let "gpus++"
+      fi
+
 
       splits="$splits[v$num]"
       if [ x"$scalestring" != x"" ] ; then
@@ -141,16 +159,26 @@ do
       if [ "$ViENC" == "libx264" ] ; then
          vmaps="$vmaps -crf 18 -x264-params mvrange=511"
       elif [ "$ViENC" == "h264_nvenc" ] ; then
-         vmaps="$vmaps -preset:v p7 -tune:v:$((num-1)) hq -rc:v:$((num-1)) vbr -cq:v:$((num-1)) 19 -profile:v high"
+         vmaps="$vmaps -preset:v:$((num-1)) p7 -tune:v:$((num-1)) hq -rc:v:$((num-1)) vbr -cq:v:$((num-1)) 19"
+         vmaps="$vmaps -profile:v:$((num-1)) high"
       fi
       vmaps="$vmaps -b:v:$((num-1)) 0 -maxrate 80M -bufsize 25M -pix_fmt yuv420p"
-      vmaps="$vmaps -preset $PRESET"
+      vmaps="$vmaps -preset:v:$((num-1)) $PRESET"
       amaps="$amaps -map a:0 -c:a:$((num-1)) aac -b:a:$((num-1)) 160k -ac 2 "
 
-      if [ x"$tees" != x"" ] ; then
-         tees="$tees|"
+      if [ "$ftype" == "mp4" ] ; then
+         if [ x"$tees" != x"" ] ; then
+            tees="$tees|"
+         fi
+         tees="$tees [select=\'v:$((num-1)),a:$((num-1))\':f=mp4:movflags=+faststart]${scale}_${outf}"
+      elif [ "$ftype" == "hls" ] ; then
+         if [ x"$hlsselect" != x"" ] ; then
+            hlsselect="$hlsselect,"
+         fi
+         vmaps="$vmaps -flags +global_header"
+         hlsselect="${hlsselect}v:$((num-1)),a:$((num-1))"
+         streammap="${streammap} v:$((num-1)),a:$((num-1))"
       fi
-      tees="$tees [select=\'v:$((num-1)),a:$((num-1))\':f=mp4:movflags=+faststart]${scale}_${outf}"
 
 
 	#ffmpeg $YES -i $inf -vf v360=dfisheye:equirect:ih_fov=$degree:iv_fov=$degree:yaw=${yaw}${sc} -vcodec $ViENC \
@@ -162,7 +190,17 @@ do
 done
 
 if [ X"$scalestring" != X"" ] ; then
-   ffmpeg $YES -i $inf -filter_complex "[0:v]split=${num}${splits};$scalestring" $vmaps $amaps -f tee "$tees"
+   if [ x"$HLS" == "y" ] ; then
+      if [ x"$tees" != x"" ] ; then
+         tees="$tees|"
+      fi
+      tees="$tees [select=\'$hlsselect\':f=hls:var_stream_map=\'$streammap\':master_pl_name=playlist.m3u8"
+      tees="${tees}:hls_time=6:hls_list_size=0:hls_segment_type=fmp4:hls_playlist_type=vod"
+      tees="${tees}:hls_flags=independent_segments:hls_segment_filename=${HLSDIR}/${outf}/stream_%v/data%03d.m4s]"
+
+      tees="${tees}${HLSDIR}/${outf}/stream_%v.m3u8"
+   fi
+   ffmpeg $YES -i $inf -filter_complex "[0:v]split=${num}${splits};$scalestring" $vmaps $amaps -f tee "$tees" 
 fi