gst_base_src_set_blocksize 1778 libs/gst/base/gstbasesrc.c       gst_base_src_set_blocksize (src, g_value_get_ulong (value));
gst_base_src_set_blocksize  253 libs/gst/base/gstbasesrc.h void            gst_base_src_set_blocksize    (GstBaseSrc *src, gulong blocksize);