tuhinpal
/ refrigerant-calculation.js
Last active
June 4, 2022 15:42
Calculate C.O.P. Mass flow rate per ton, Suction volume, Power of a Refrigerant
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| let t1 = 20; // celcius | |
| let t2 = 45; // celcius | |
| let sgt1 = 2.4167; // eg sg-5°C | |
| let sgt2 = 2.4368; | |
| let cpgt2 = 1.945; | |
| let hgt1 = 613.8; | |
| let hgt2 = 649.31; | |
| let hft2 = 309.68; | |
| let vgt1 = 0.18823; |
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| echo "Enter input video path with extension (Ex. input.mp4)" | |
| read input_path | |
| echo "Enter output folder (Ex. output)" | |
| read output_path | |
| mkdir $output_path | |
| ffmpeg -hide_banner -y -i $input_path \ | |
| -vf scale=w=640:h=360:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -c:v h264 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 800k -maxrate 856k -bufsize 1200k -b:a 96k -hls_segment_filename $output_path/360p_%03d.ts $output_path/360p.m3u8 \ | |
| -vf scale=w=842:h=480:force_original_aspect_ratio=decrease -c:a aac -ar 48000 -c:v h264 -profile:v main -crf 20 -sc_threshold 0 -g 48 -keyint_min 48 -hls_time 4 -hls_playlist_type vod -b:v 1400k -maxrate 1498k -bufsize 2100k -b:a 128k -hls_segment_filename $output_path/480p_%03d.ts $output_path/480p.m3u8 \ |