用ffmpeg截取指定时间视频片段 日志报错Output file #0 does not contain any stream
代码：
import os
video = r"G:\00_TASK\2020\10_video\data\202006_03\VD306200400048_20200609141500_01_0000000000000118_video.mp4"
corp_video_b = r"G:\00_TASK\2020\10_video\data\video_cut\VD306200400048_20200609141500_01_0000000000000118_video_b30.mp4"
os.system("ffmpeg -y -i %s -ss 00:00:00.0 -t 00:00:10.0 -vcodec copy -async 1 %s" % (video, corp_video_b))
日志输出：
ffmpeg version git-2019-11-22-27c6c92 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 9.2.1 (GCC) 20191010
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
libavutil 56. 36.100 / 56. 36.100
libavcodec 58. 62.100 / 58. 62.100
libavformat 58. 35.100 / 58. 35.100
libavdevice 58. 9.101 / 58. 9.101
libavfilter 7. 66.100 / 7. 66.100
libswscale 5. 6.100 / 5. 6.100
libswresample 3. 6.100 / 3. 6.100
libpostproc 55. 6.100 / 55. 6.100
Output #0, mp4, to ' -y -i G:\00_TASK\2020\10_video\data\202006_03\VD306200400048_20200609141500_01_0000000000000118_video.mp4 -ss 00:00:00.0 -t 00:00:10.0 -vcodec copy -async 1 G:\00_TASK\2020\10_video\data\video_cut\VD306200400048_20200609141500_01_0000000000000118_video_b30.mp4':
Output file #0 does not contain any stream
