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Update nginx.conf

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-hls_time is really bad on most of the script encoder that we have in this project . I think developers doesn't understand it well . This value has no meaning what so ever and the script will give errors on playlist and in cases completally ignore it ! 
1- You can't set hls_time without indicating a valid GOP ( -g )
2- GOP must be your output frame rate * 2
3- The hls_time must be GOP/FrameRates=hls_time

Example ;  
-r 60 -g 120 -hls_time 2  ( valid values )
-r 60 -g 240 -hls_time 4 (valid value , HIGH latency stream )
-r 30 -g 30 -hls_time 1 ( valid value , LOW latency stream )

-r 20 -g 48 -hls_time 6 ( wrong values , a lot of buffering and weird/unstable hls_playlist , if not completely ignored . The seek bar gonna just be confused ).

modification based on your information ; 
https://trac.ffmpeg.org/wiki/EncodingForStreamingSites
https://github.com/arut/nginx-rtmp-module/wiki/Directives#buflen
https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate
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akhilleusuggo 2021-02-05 13:54:05 +02:00 • committed by GitHub
parent 311753f7e7
commit 76bcaefc51
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1 changed files with 8 additions and 7 deletions
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15
plugin/Live/install/nginx.conf
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@ -7,6 +7,7 @@ worker_processes 1;
rtmp {
server {
listen 1935;
buflen 2s;
allow play all;
#creates our "live" full-resolution HLS videostream from our incoming encoder stream and tells where to put the HLS video manifest and video fragments
application live {
@ -22,10 +23,10 @@ worker_processes 1;
on_play http://localhost/AVideo/plugin/Live/on_play.php;
on_record_done http://localhost/AVideo/plugin/Live/on_record_done.php;
#exec ffmpeg -i rtmp://localhost/live/$name
# -c:a aac -strict -2 -b:a 96k -c:v libx264 -vf scale=-2:240 -g 48 -keyint_min 48 -sc_threshold 0 -bf 3 -b_strategy 2 -b:v 400k -maxrate 700k -bufsize 1200k -b:a 96k -r 20 -f hls -hls_time 6 -hls_list_size 0 -f flv rtmp://localhost/adaptive/$name_low
# -c:a aac -strict -2 -b:a 128k -c:v libx264 -vf scale=-2:480 -g 48 -keyint_min 48 -sc_threshold 0 -bf 3 -b_strategy 2 -b:v 1200k -maxrate 2100k -bufsize 2400k -b:a 128k -f hls -hls_time 6 -hls_list_size 0 -f flv rtmp://localhost/adaptive/$name_mid
# -c:a aac -strict -2 -b:a 128k -c:v libx264 -vf scale=-2:720 -g 48 -keyint_min 48 -sc_threshold 0 -bf 3 -b_strategy 2 -b:v 2400k -maxrate 4200k -bufsize 100000k -b:a 128k -f hls -hls_time 6 -hls_list_size 0 -f flv rtmp://localhost/adaptive/$name_hi;
#exec ffmpeg -re -i rtmp://localhost/live/$name
# -c:a aac -strict -2 -b:a 96k -c:v libx264 -vf scale=-2:240 -re 20 -g 40 -keyint_min 40 -sc_threshold 0 -bf 3 -b_strategy 2 -b:v 400k -maxrate 700k -bufsize 1400k -b:a 96k -f hls -hls_time 2 -hls_list_size 0 -f flv rtmp://localhost/adaptive/$name_low
# -c:a aac -strict -2 -b:a 128k -c:v libx264 -vf scale=-2:480 -re 30 -g 60 -keyint_min 48 -sc_threshold 0 -bf 3 -b_strategy 2 -b:v 1200k -maxrate 2100k -bufsize 4200k -b:a 128k -f hls -hls_time 2 -hls_list_size 0 -f flv rtmp://localhost/adaptive/$name_mid
# -c:a aac -strict -2 -b:a 128k -c:v libx264 -vf scale=-2:720 -re 30 -g 60 -keyint_min 48 -sc_threshold 0 -bf 3 -b_strategy 2 -b:v 2400k -maxrate 3000k -bufsize 6000k -b:a 128k -f hls -hls_time 2 -hls_list_size 0 -f flv rtmp://localhost/adaptive/$name_hi;
#recorder video{
@ -48,9 +49,9 @@ worker_processes 1;
# allow publish 127.0.0.1;
# deny publish all;
# hls_variant _low BANDWIDTH=400000;
# hls_variant _mid BANDWIDTH=2100000;
# hls_variant _hi BANDWIDTH=4200000;
# hls_variant _low BANDWIDTH=900000;
# hls_variant _mid BANDWIDTH=2400000;
# hls_variant _hi BANDWIDTH=3500000;
#}
}
}