aosp12/external/libavc/encoder/irc_rate_control_api_structs.h

94 lines
2.6 KiB
C

/******************************************************************************
*
* 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 _RATE_CONTROL_API_STRUCTS_H_
#define _RATE_CONTROL_API_STRUCTS_H_
/*
* The following definitions were present in irc_cntrl_param.h, moved to this
* file as it is used by irc_rate_control_api.c
*/
/* num_frm_in_period = BIT_ALLOC_PERIOD*intra_frame_interval */
#define VBR_BIT_ALLOC_PERIOD 3
#define CBR_BIT_ALLOC_PERIOD 1
/* Rate control state structure */
typedef struct rate_control_api_t
{
/* RC Algorithm */
rc_type_e e_rc_type;
/* Whether MB level rc is enabled or not */
UWORD8 u1_is_mb_level_rc_on;
/* Picture handling struct */
pic_handling_handle ps_pic_handling;
/* Model struct for I and P frms */
rc_rd_model_handle aps_rd_model[MAX_PIC_TYPE];
/* VBR storage VBV structure */
vbr_storage_vbv_handle ps_vbr_storage_vbv;
/* Calculate the estimated SAD */
est_sad_handle ps_est_sad;
/* Allocation of bits for each frame */
bit_allocation_handle ps_bit_allocation;
/* Init Qp(also used for Const Qp scenarios) */
UWORD8 au1_init_qp[MAX_PIC_TYPE];
/* MB Level rate control state structure */
mb_rate_control_handle ps_mb_rate_control;
UWORD8 au1_is_first_frm_coded[MAX_PIC_TYPE];
UWORD8 au1_prev_frm_qp[MAX_PIC_TYPE];
cbr_buffer_handle ps_cbr_buffer;
UWORD8 u1_scd_detected;
UWORD8 u1_frm_qp_after_scd;
UWORD8 au1_avg_bitrate_changed[MAX_PIC_TYPE];
UWORD8 u1_is_first_frm;
UWORD8 au1_min_max_qp[(MAX_PIC_TYPE << 1)];
WORD32 i4_prev_frm_est_bits;
vbr_str_prms_t s_vbr_str_prms;
/* Store the values which are to be impacted after a delay */
UWORD32 u4_frms_in_delay_prd_for_peak_bit_rate_change;
UWORD32 au4_new_peak_bit_rate[MAX_NUM_DRAIN_RATES];
picture_type_e prev_ref_pic_type;
} rate_control_api_t;
#endif/*_RATE_CONTROL_API_STRUCTS_H_*/