gf_dasher_set_ast_offset 3987 applications/mp4box/main.c 		if (!e) e = gf_dasher_set_ast_offset(dasher, ast_offset_ms);
gf_dasher_set_ast_offset  768 include/gpac/media_tools.h GF_Err gf_dasher_set_ast_offset(GF_DASHSegmenter *dasher, s32 ast_offset);