#!/bin/sh

ffmpeg -i "udp://239.255.4.151:5000?ttl=100&fifo_size=1000000&overrun_nonfatal=1" -flags -global_header -map 0:p:1404 -filter_complex '[0:v]split=3[out1][out2][out3]' \
-map '[out1]' \
        -c:v libnvenc -r 30 -g 60 -keyint_min 90 -b:v 1500k -minrate 0k -maxrate 2000k -s 640x360 \
        -tune zerolatency -output_ts_offset -2 \
        -threads 0 \
        -strict -2 \
        -c:a aac -ar 48000 -ac 2 -b:a 384k \
        -f ssegment \
        -hls_wrap 3 \
        -hls_list_size 15 \
        -segment_list ${HLS_PATH}/${CHN}/${CHN}_2M.m3u8 \
        -segment_list_type flat \
        -segment_list_flags live \
        -segment_list_type m3u8 \
        -segment_time 3 \
        -segment_list_size 15 \
        -segment_format mpegts \
        ${HLS_PATH}/${CHN}/${CHN}_2M_%08d.ts \
-map '[out2]' \
        -c:v libnvenc -r 30 -g 60 -keyint_min 90 -b:v 3000k -minrate 0k -maxrate 4000k -s 854x480 \
        -tune zerolatency -output_ts_offset -2 \
        -threads 0 \
        -strict -2 \
        -c:a aac -ar 48000 -ac 2 -b:a 384k \
        -f ssegment \
        -hls_wrap 3 \
        -hls_list_size 15 \
        -segment_list ${HLS_PATH}/${CHN}/${CHN}_3M.m3u8 \
        -segment_list_type flat \
        -segment_list_flags live \
        -segment_list_type m3u8 \
        -segment_time 3 \
        -segment_list_size 15 \
        -segment_format mpegts \
        ${HLS_PATH}/${CHN}/${CHN}_3M_%08d.ts \
-map '[out3]' \
        -c:v libnvenc -r 30 -g 60 -keyint_min 90 -b:v 5000k -minrate 0k -maxrate 6000k -s 1280x720 \
        -tune zerolatency -output_ts_offset -2 \
        -threads 0 \
        -strict -2 \
        -c:a aac -ar 48000 -ac 2 -b:a 384k \
        -f ssegment \
        -hls_wrap 3 \
        -hls_list_size 15 \
        -segment_list ${HLS_PATH}/${CHN}/${CHN}_5M.m3u8 \
        -segment_list_type flat \
        -segment_list_flags live \
        -segment_list_type m3u8 \
        -segment_time 3 \
        -segment_list_size 15 \
        -segment_format mpegts \
        ${HLS_PATH}/${CHN}/${CHN}_5M_%08d.ts

exit 0