init ffmpeg only once

zhangmeng

2019-05-07 a96e38b66179a67380132704f76d6abd8f648afe

 .gitignore

@@ -5,14 +5,14 @@
*.obj

# Compiled Dynamic libraries
*.so
#*.so
*.dylib
*.dll

# Compiled Static libraries
*.lai
*.la
*.a
#*.a
*.lib

# Executables