[mpp_enc_cfg]: Add low delay to MppEncCfgSet

Change-Id: I5f9e595b44cc39cc255c69a875618ea36de5e878
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>

inc/rk_venc_cmd.h

@@ -149,6 +149,20 @@
  *   +                          +                 +                       +
  */
 
+/*
+ * base working mode parameter
+ */
+typedef enum MppEncBaseCfgChange_e {
+    MPP_ENC_BASE_CFG_CHANGE_LOW_DELAY   = (1 << 0),
+    MPP_ENC_BASE_CFG_CHANGE_ALL         = (0xFFFFFFFF),
+} MppEncBaseCfgChange;
+
+typedef struct MppEncBaseCfg_t {
+    RK_U32  change;
+
+    RK_S32  low_delay;
+} MppEncBaseCfg;
+
 /*
  * Rate control parameter
  */