open_input_file    51 doc/examples/filtering_audio.c static int open_input_file(const char *filename)
open_input_file    51 doc/examples/filtering_video.c static int open_input_file(const char *filename)
open_input_file    61 doc/examples/transcode_aac.c static int open_input_file(const char *filename,
open_input_file    49 doc/examples/transcoding.c static int open_input_file(const char *filename)
open_input_file   794 ffmpeg_opt.c   static int open_input_file(OptionsContext *o, const char *filename)
open_input_file  2384 ffprobe.c      static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)