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+/*
+ * Copyright 2016 Rockchip Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __RC_DEFS_H__
+#define __RC_DEFS_H__
+
+#include "rk_type.h"
+
+/*
+ * EncFrmStatus controls record the encoding frame status and also control
+ * work flow of encoder. It is the communicat channel between encoder implement
+ * module, rate control module and hardware module.
+ *
+ * bit  0 ~ 31 frame status
+ *      0 ~ 15 current frame status
+ *     16 ~ 31 reference frame status
+ * bit 32 ~ 63 encoding flow control
+ */
+typedef struct EncFrmStatus_t {
+    /*
+     * bit  0 ~ 31  frame status
+     */
+    /*
+     * 0 - inter frame
+     * 1 - intra frame
+     */
+    RK_U32          is_intra        : 1;
+
+    /*
+     * Valid when is_intra is true
+     * 0 - normal intra frame
+     * 1 - IDR frame
+     */
+    RK_U32          is_idr          : 1;
+
+    /*
+     * 0 - mark as reference frame
+     * 1 - mark as non-refernce frame
+     */
+    RK_U32          is_non_ref      : 1;
+
+    /*
+     * Valid when is_non_ref is false
+     * 0 - mark as short-term reference frame
+     * 1 - mark as long-term refernce frame
+     */
+    RK_U32          is_lt_ref       : 1;
+
+    RK_U32          reserved0       : 4;
+
+    /* bit 8 - 15 */
+    RK_U32          lt_idx          : 4;
+    RK_U32          temporal_id     : 4;
+
+    /* distance between current frame and reference frame */
+    RK_S32          ref_dist        : 16;
+
+    /*
+     * bit 32 ~ 63  encoder flow control flags
+     */
+    /*
+     * 0 - normal frame encoding
+     * 1 - current frame will be dropped
+     */
+    RK_U32          drop            : 1;
+
+    /*
+     * 0 - rate control module does not change frame type parameter
+     * 1 - rate control module changes frame type parameter reencode is needed
+     *     to reprocess the dpb process. Also this means dpb module will follow
+     *     the frame status parameter provided by rate control module.
+     */
+    RK_U32          re_dpb_proc     : 1;
+
+    /*
+     * 0 - current frame encoding is in normal flow
+     * 1 - current frame encoding is in reencode flow
+     */
+    RK_U32          reencode        : 1;
+
+    /*
+     * When true current frame size is super large then the frame should be reencoded.
+     */
+    RK_U32          super_frame     : 1;
+
+    /*
+     * When true currnet frame is force to encoded as software skip frame
+     */
+    RK_U32          force_pskip     : 1;
+    RK_U32          reserved1       : 3;
+
+    /* reencode times */
+    RK_U32          reencode_times  : 8;
+
+    /* sequential index for each frame */
+    RK_U32          seq_idx         : 16;
+} EncFrmStatus;
+
+/*
+ * communication channel between rc / hal / hardware
+ *
+ * rc   -> hal      bit_target / bit_max / bit_min
+ * hal  -> hw       quality_target / quality_max / quality_min
+ * hw   -> rc / hal bit_real / quality_real / madi / madp
+ */
+typedef struct EncRcCommonInfo_t {
+    /* rc to hal */
+    RK_S32          bit_target;
+    RK_S32          bit_max;
+    RK_S32          bit_min;
+
+    RK_S32          quality_target;
+    RK_S32          quality_max;
+    RK_S32          quality_min;
+
+    /* rc from hardware */
+    RK_S32          bit_real;
+    RK_S32          quality_real;
+    RK_S32          madi;
+    RK_S32          madp;
+
+    RK_S32          reserve[16];
+} EncRcTaskInfo;
+
+typedef struct EncRcTask_s {
+    EncFrmStatus    frm;
+    EncRcTaskInfo   info;
+    MppFrame        frame;
+} EncRcTask;
+
+#endif /* __RC_DEFS_H__ */