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/******************************************************************************
*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
#ifndef RC_RD_MODEL_STRUCT
#define RC_RD_MODEL_STRUCT
/*Enable or diable QUAD model*/
#define ENABLE_QUAD_RC_MODEL 0
#define ENABLE_LIN_MODEL_WITH_INTERCEPT 0
/* Number of elements for QP */
#define MPEG2_QP_ELEM (MAX_MPEG2_QP + 1)
#if ENABLE_QUAD_RC_MODEL
#define QUAD 1
#define MIN_FRAMES_FOR_QUAD_MODEL 5
#endif
#define MAX_ACTIVE_FRAMES 16
#define MIN_FRAMES_FOR_LIN_MODEL 3
#define INVALID_FRAME_INDEX 255
#define UP_THR_SM 1 /* (1 /pow(2,4) = 0.0625 */
#define UP_THR_E 4
#define LO_THR_SM 368 /* (368.64 / pow(2,14)) = 0.0225 */
#define LO_THR_E 14
#define LIN_DEV_THR_SM 1 /* (1 / pow(1,2)) = .25*/
#define LIN_DEV_THR_E 2
#define PREV_FRAME_MODEL 2
/* Q Factors used for fixed point calculation */
#define Q_FORMAT_GAMMA 8
#define Q_FORMAT_ETA 8
typedef struct rc_rd_model_t
{
UWORD8 u1_curr_frm_counter;
UWORD8 u1_num_frms_in_model;
UWORD8 u1_max_frms_to_model;
UWORD8 u1_model_used;
UWORD32 pi4_res_bits[MAX_FRAMES_MODELLED];
UWORD32 pi4_sad[MAX_FRAMES_MODELLED];
UWORD8 pu1_num_skips[MAX_FRAMES_MODELLED];
UWORD8 pu1_avg_qp[MAX_FRAMES_MODELLED];
UWORD8 au1_num_frames[MPEG2_QP_ELEM];
model_coeff model_coeff_a_lin_wo_int;
model_coeff model_coeff_b_lin_wo_int;
model_coeff model_coeff_c_lin_wo_int;
} rc_rd_model_t;
#endif /* RC_RD_MODEL_STRUCT */
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