用ffmpeg截取指定时间视频片段 日志报错

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