avfilter_init_dict  133 doc/examples/filter_audio.c     err = avfilter_init_dict(volume_ctx, &options_dict);
avfilter_init_dict  974 libavfilter/avfilter.c     ret = avfilter_init_dict(filter, &options);
avfilter_init_dict 1087 libavfilter/avfilter.h int avfilter_init_dict(AVFilterContext *ctx, AVDictionary **options);