InputFilter      3735 ffmpeg.c           InputFilter *ifilter;
InputFilter       238 ffmpeg.h           InputFilter   **inputs;
InputFilter       305 ffmpeg.h           InputFilter **filters;
InputFilter       626 ffmpeg_filter.c static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
InputFilter       731 ffmpeg_filter.c static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
InputFilter       841 ffmpeg_filter.c static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,