Support setting num_unit_in_tick and time_scale in libmix

BZ: 123457

Support setting num_unit_in_tick and time_scale in H264 SPS VUI header.
But make sure VUIFlag is set in VideoParamsAVC if want to it is vaild.

Change-Id: I3a1e86b08eda6a6f44ae272b7faea6f5f7e8f156
Signed-off-by: Zhao Liang <leo.zhao@intel.com>
Reviewed-on: http://android.intel.com:8080/118896
Reviewed-by: Shi, PingX <pingx.shi@intel.com>
Tested-by: Shi, PingX <pingx.shi@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
1 file changed