gf_m4v_is_valid_object_type 109 include/gpac/avparse.h Bool gf_m4v_is_valid_object_type(GF_M4VParser *m4v); gf_m4v_is_valid_object_type 1723 src/media_tools/media_import.c if (!gf_m4v_is_valid_object_type(vparse)) gf_import_message(import, GF_OK, "WARNING: AVI frame %d doesn't look like MPEG-4 Visual", i+1);