gf_es_start       784 include/gpac/internal/terminal_dev.h GF_Err gf_es_start(GF_Channel *ch);
gf_es_start      1365 src/terminal/object_manager.c 		gf_es_start(ch);
gf_es_start      1509 src/terminal/object_manager.c 				gf_es_start(ch);