windows启动不打开窗口命令

@echo off
if "%1" == "h" goto begin
mshta vbscript:createobject("wscript.shell").run("%~nx0 h",0)(window.close)&&exit
:begin

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.136/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10 -hls_flags 2 -hls_list_size 2 -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//136.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.114/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//114.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.126/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//126.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.127/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//127.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.111/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//111.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.112/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//112.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:SHANGHAI711@192.168.0.128/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//128.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.129/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//129.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.113/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//113.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.137/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//137.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.130/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//130.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.131/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//131.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.134/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//134.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.135/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//135.m3u8"

start /B cmd /c ffmpeg -i "rtsp://admin:shanghai711@192.168.0.5/h264/ch1/main/av_stream" -codec: copy -start_number 0 -hls_time 10   -hls_flags 2 -hls_list_size 2  -f hls "D://nginx-1.20.2//nginx-1.20.2//html//m3u8//5.m3u8"