使用c#代码调用 ffpege 有些视频（视频为相同后缀）能转换，有些不能
不能的异常信息为以下：
ffmpeg version N-73165-gf1e1730 Copyright (c) 2000-2015 the FFmpeg developers
built with gcc 4.9.2 (GCC)
configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwe
bp
--enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
lz
ma --enable-decklink --enable-zlib
libavutil 54. 27.100 / 54. 27.100
libavcodec 56. 45.100 / 56. 45.100
libavformat 56. 38.102 / 56. 38.102
libavdevice 56. 4.100 / 56. 4.100
libavfilter 5. 18.100 / 5. 18.100
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 2.100 / 1. 2.100
libpostproc 53. 3.100 / 53. 3.100
F:\IOT\444//5f5399f0e628a9a6_01_20200930_080000.h264: Invalid data found when processing input
不清楚原因，求助谢谢

转换后格式为mp4