创建生成filelist.txt的脚本createfilelist.bat,输入一下内容
for /R ./ %%f in (*.ts) do (echo file '%%f' >> filelist.txt)
运行脚本产生filelist.txt
使用命令合并成mp4,同时4倍数播放
ffmpeg -y -i output.ts -an -filter:v "setpts=0.25PTS" -f mp4 out.mp4
ffmpeg -y -i output.ts -an -b:v 2M -r 25 -filter:v "setpts=0.2PTS" -f mp4 out.mp4