//自动快进 evanEnv.enableAutoForward = true //完成后自动下载 evanEnv.enableAutoDownload = true
ffmpeg -i mediasource_0_0_0.mp4 -i mediasource_0_1_0.mp4 -c copy -bsf:a aac_adtstoasc out.mp4
copy /b mediasource_0_0_*.mp4 out.mp4