将nas中的b站热门视频推成m3u8流，支持竖屏加边框，内嵌弹幕，内嵌av号，内嵌播放进度

bilibili-feed.sh

#!/bin/bash

dir="/_ds3617xs/bilibili"

file_list=`find $dir -name "*.flv" | shuf | head -n 30`
list_file="$dir/live$1.list"
echo > $list_file

ass_file_list=""
for file in $file_list; do
    echo ${file//\/_ds3617xs\/bilibili/http://10.0.0.220:8004/bilibili} >> $list_file
    ass_file_list="$ass_file_list${file//.flv/.xml} "
done;

bilibili-rpi.sh

#!/bin/bash

base_dir="$1"
stream_num="$2"
cd $base_dir

function toTs {
    for f in $@; do
        >&2 echo $f
        if [ -z "$f" ]; then
            continue
        fi
        rm live$stream_num.ass
        wget -q ${f//.flv/.ass} -O live$stream_num.ass
        av=${f//http:\/\/10.0.0.220:8004\/bilibili\//}
        av=${av//.flv/}
        if [ -f "live$stream_num.ass" ]; then
            duration=`ffmpeg -i $f 2>&1 | egrep '[0-9]{2}:[0-9]{2}:[0-9]{2}' -o | sed 's/:/\\\\:/g'`

            ffmpeg -c:v h264_mmal -i $f \
            -vf "scale=-1:720,pad=1280:ih:(ow-iw)/2,drawtext=text=$av:x=10:y=685:fontsize=24:borderw=1:fontcolor=white:alpha=0.5,drawtext=text='%{pts\:gmtime\:0\:%H\\\\\:%M\\\\\:%S}/${duration}':x=1100:y=685:fontsize=16:borderw=1:fontcolor=white:alpha=0.5,ass=live$stream_num.ass" \
            -c:v h264_omx -b:v 6000k -c:a copy -sn \
            -f ismv \
            pipe:1 2>/dev/null

        fi
    done
}

while :
do
    # rm $base_dir/*

    wget -q "http://10.0.0.220:8004/bilibili/live$stream_num.list" -O live$stream_num.list

    list=`cat live$stream_num.list`

    toTs $list |
    ffmpeg -re -y \
        -i - \
        -c:v copy -c:a copy -sn \
        -f hls -hls_list_size 6 -hls_wrap 10 -hls_time 10 -hls_segment_filename "live$stream_num-%03d.ts" \
        $base_dir/live$stream_num.m3u8
done;

bilibili.sh

#!/bin/bash

base_dir="$1"
stream_num="$2"
cd $base_dir

function toTs {
    for f in $@; do
        >&2 echo $f
        if [ -z "$f" ]; then
            continue
        fi
        rm live$stream_num.ass
        wget -q ${f//.flv/.ass} -O live$stream_num.ass
        av=${f//http:\/\/10.0.0.220:8004\/bilibili\//}
        av=${av//.flv/}
        if [ -f "live$stream_num.ass" ]; then
            duration=`ffmpeg -i $f 2>&1 | egrep '[0-9]{2}:[0-9]{2}:[0-9]{2}' -o | sed 's/:/\\\\:/g'`

            ffmpeg -loglevel warning \
                -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -hwaccel_output_format nv12 \
                -i $f \
                -vaapi_device /dev/dri/renderD128 \
                -vf "scale=-1:720,pad=1280:ih:(ow-iw)/2,drawtext=text=$av:x=10:y=685:fontsize=24:borderw=1:fontcolor=white:alpha=0.5,drawtext=text='%{pts\:gmtime\:0\:%H\\\\\:%M\\\\\:%S}/${duration}':x=1100:y=685:fontsize=16:borderw=1:fontcolor=white:alpha=0.5,fps=30,ass=live$stream_num.ass,format=nv12,hwupload" \
                -c:v h264_vaapi -c:a aac -sn \
                -f mpegts \
                pipe:1
        fi
    done
}

while :
do
    # rm $base_dir/*

    wget -q "http://10.0.0.220:8004/bilibili/live$stream_num.list" -O live$stream_num.list

    list=`cat live$stream_num.list`

    toTs $list |
    ffmpeg -y -re \
        -i - \
        -c:v copy -c:a copy -sn \
        -f hls -hls_list_size 6 -hls_wrap 10 -hls_time 10 -hls_segment_filename "live$stream_num-%03d.ts" \
        $base_dir/live$stream_num.m3u8
done;

将nas中拉去到的b站热门视频推成m3u8流，支持竖屏加边框，内嵌弹幕，内嵌av号，内嵌播放进度