qsecmemallocator: add API to get available sec buffer size [1/1]

PD#SWPL-31275

Problem:
secure memory could be used up when upper layer continue feeding
then cause error. need upper layer know how much space available

Solution:
Implement used memory size in buffer pool
Add get_free_buf_size() API.

Verify:
U212 + RDK + Youtube "free to watch with ads" movies

Change-Id: I5773b27f2f9ce1dcb23ee87abf6d0cb930f3eb0e
Signed-off-by: yongchun.li <yongchun.li@amlogic.com>
2 files changed
tree: 6f7144982b4312de8e29d9970ffd67068605095c
  1. gst-aml-drm-plugins-1.0/
  2. Config.in
  3. gst-aml-drm-plugins.mk