You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
343 lines
9.2 KiB
343 lines
9.2 KiB
/******************************************************************************
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/**
|
|
*******************************************************************************
|
|
* @file
|
|
* ih264e_rate_control.h
|
|
*
|
|
* @brief
|
|
* This file contains function declarations of api functions for h264 rate
|
|
* control
|
|
*
|
|
* @author
|
|
* ittiam
|
|
*
|
|
* @remarks
|
|
* None
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
|
|
#ifndef IH264E_RATE_CONTROL_H_
|
|
#define IH264E_RATE_CONTROL_H_
|
|
|
|
/*****************************************************************************/
|
|
/* Function Declarations */
|
|
/*****************************************************************************/
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief
|
|
* This function initializes rate control context and variables
|
|
*
|
|
* @par Description
|
|
* This function initializes rate control type, source and target frame rate,
|
|
* average and peak bitrate, intra-inter frame interval and initial
|
|
* quantization parameter
|
|
*
|
|
* @param[in] pv_rc_api
|
|
* Handle to rate control api
|
|
*
|
|
* @param[in] pv_frame_time
|
|
* Handle to frame time context
|
|
*
|
|
* @param[in] pv_time_stamp
|
|
* Handle to time stamp context
|
|
*
|
|
* @param[in] pv_pd_frm_rate
|
|
* Handle to pull down frame time context
|
|
*
|
|
* @param[in] u4_max_frm_rate
|
|
* Maximum frame rate
|
|
*
|
|
* @param[in] u4_src_frm_rate
|
|
* Source frame rate
|
|
*
|
|
* @param[in] u4_tgt_frm_rate
|
|
* Target frame rate
|
|
*
|
|
* @param[in] e_rate_control_type
|
|
* Rate control type
|
|
*
|
|
* @param[in] u4_avg_bit_rate
|
|
* Average bit rate
|
|
*
|
|
* @param[in] u4_peak_bit_rate
|
|
* Peak bit rate
|
|
*
|
|
* @param[in] u4_max_delay
|
|
* Maximum delay between frames
|
|
*
|
|
* @param[in] u4_intra_frame_interval
|
|
* Intra frame interval
|
|
*
|
|
* @param[in] i4_inter_frm_int
|
|
* Inter frame interval
|
|
*
|
|
* @param[in] pu1_init_qp
|
|
* Initial qp
|
|
*
|
|
* @param[in] i4_max_inter_frm_int
|
|
* Maximum inter frame interval
|
|
*
|
|
* @param[in] pu1_min_max_qp
|
|
* Array of min/max qp
|
|
*
|
|
* @param[in] u1_profile_level
|
|
* Encoder profile level
|
|
*
|
|
* @returns none
|
|
*
|
|
* @remarks
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
void ih264e_rc_init(void *pv_rc_api,
|
|
void *pv_frame_time,
|
|
void *pv_time_stamp,
|
|
void *pv_pd_frm_rate,
|
|
UWORD32 u4_max_frm_rate,
|
|
UWORD32 u4_src_frm_rate,
|
|
UWORD32 u4_tgt_frm_rate,
|
|
rc_type_e e_rate_control_type,
|
|
UWORD32 u4_avg_bit_rate,
|
|
UWORD32 u4_peak_bit_rate,
|
|
UWORD32 u4_max_delay,
|
|
UWORD32 u4_intra_frame_interval,
|
|
WORD32 i4_inter_frm_int,
|
|
UWORD8 *pu1_init_qp,
|
|
WORD32 i4_max_inter_frm_int,
|
|
UWORD8 *pu1_min_max_qp,
|
|
UWORD8 u1_profile_level);
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief Function to get picture details
|
|
*
|
|
* @par Description
|
|
* This function returns the Picture type(I/P/B)
|
|
*
|
|
* @param[in] pv_rc_api
|
|
* Handle to Rate control api
|
|
*
|
|
* @returns
|
|
* Picture type
|
|
*
|
|
* @remarks none
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
picture_type_e ih264e_rc_get_picture_details(void *pv_rc_api,
|
|
WORD32 *pi4_pic_id,
|
|
WORD32 *pi4_pic_disp_order_no);
|
|
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief Function to set frame rate inside RC.
|
|
*
|
|
* @par Description
|
|
* This function is called before encoding the current frame and gets the qp
|
|
* for the current frame from rate control module
|
|
*
|
|
* @param[in] ps_rate_control_api
|
|
* Handle to rate control api
|
|
*
|
|
* @param[in] ps_pd_frm_rate
|
|
* Handle to pull down frm rate context
|
|
*
|
|
* @param[in] ps_time_stamp
|
|
* Handle to time stamp context
|
|
*
|
|
* @param[in] ps_frame_time
|
|
* Handle to frame time context
|
|
*
|
|
* @returns
|
|
* Skip or encode the current frame
|
|
*
|
|
* @remarks
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
WORD32 ih264e_update_rc_framerates(void *ps_rate_control_api,
|
|
void *ps_pd_frm_rate,
|
|
void *ps_time_stamp,
|
|
void *ps_frame_time
|
|
);
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief Function to update mb info for rate control context
|
|
*
|
|
* @par Description
|
|
* After encoding a mb, information such as mb type, qp used, mb distortion
|
|
* resulted in encoding the block and so on needs to be preserved for modelling
|
|
* RC. This is preserved via this function call.
|
|
*
|
|
* @param[in] ps_frame_info
|
|
* Handle Frame info context
|
|
*
|
|
* @param[in] ps_proc
|
|
* Process context
|
|
*
|
|
* @returns
|
|
*
|
|
* @remarks
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
void ih264e_update_rc_mb_info(frame_info_t *ps_frame_info, void *pv_proc);
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief Function to get rate control buffer status
|
|
*
|
|
* @par Description
|
|
* This function is used to get buffer status(underflow/overflow) by rate
|
|
* control module
|
|
*
|
|
* @param[in] pv_rc_api
|
|
* Handle to rate control api context
|
|
*
|
|
* @param[in] i4_total_frame_bits
|
|
* Total frame bits
|
|
*
|
|
* @param[in] u1_pic_type
|
|
* Picture type
|
|
*
|
|
* @param[in] pi4_num_bits_to_prevent_vbv_underflow
|
|
* Number of bits to prevent underflow
|
|
*
|
|
* @param[out] pu1_is_enc_buf_overflow
|
|
* Buffer overflow indication flag
|
|
*
|
|
* @param[out] pu1_is_enc_buf_underflow
|
|
* Buffer underflow indication flag
|
|
*
|
|
* @returns
|
|
*
|
|
* @remarks
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
void ih264e_rc_get_buffer_status(void *pv_rc_api,
|
|
WORD32 i4_total_frame_bits,
|
|
picture_type_e e_pic_type,
|
|
WORD32 *pi4_num_bits_to_prevent_vbv_underflow,
|
|
UWORD8 *pu1_is_enc_buf_overflow,
|
|
UWORD8 *pu1_is_enc_buf_underflow);
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief Function to update rate control module after encoding
|
|
*
|
|
* @par Description
|
|
* This function is used to update the rate control module after the current
|
|
* frame encoding is done with details such as bits consumed, SAD for I/P/B,
|
|
* intra cost ,mb type and other
|
|
*
|
|
* @param[in] ps_rate_control_api
|
|
* Handle to rate control api context
|
|
*
|
|
* @param[in] ps_frame_info
|
|
* Handle to frame info context
|
|
*
|
|
* @param[in] ps_pd_frm_rate
|
|
* Handle to pull down frame rate context
|
|
*
|
|
* @param[in] ps_time_stamp
|
|
* Handle to time stamp context
|
|
*
|
|
* @param[in] ps_frame_time
|
|
* Handle to frame time context
|
|
*
|
|
* @param[in] i4_total_mb_in_frame
|
|
* Total mb in frame
|
|
*
|
|
* @param[in] pe_vop_coding_type
|
|
* Picture coding type
|
|
*
|
|
* @param[in] i4_is_first_frame
|
|
* Is first frame
|
|
*
|
|
* @param[in] pi4_is_post_encode_skip
|
|
* Post encoding skip flag
|
|
*
|
|
* @param[in] u1_frame_qp
|
|
* Frame qp
|
|
*
|
|
* @param[in] pi4_num_intra_in_prev_frame
|
|
* Number of intra mbs in previous frame
|
|
*
|
|
* @param[in] pi4_avg_activity
|
|
* Average activity
|
|
*
|
|
* @returns
|
|
*
|
|
* @remarks
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
WORD32 ih264e_rc_post_enc(void *ps_rate_control_api,
|
|
frame_info_t *ps_frame_info,
|
|
void *ps_pd_frm_rate,
|
|
void *ps_time_stamp,
|
|
void *ps_frame_time,
|
|
WORD32 i4_total_mb_in_frame,
|
|
picture_type_e *pe_vop_coding_type,
|
|
WORD32 i4_is_first_frame,
|
|
WORD32 *pi4_is_post_encode_skip,
|
|
UWORD8 u1_frame_qp,
|
|
WORD32 *pi4_num_intra_in_prev_frame,
|
|
WORD32 *pi4_avg_activity);
|
|
|
|
/**
|
|
*******************************************************************************
|
|
*
|
|
* @brief Function to update bits consumed info to rate control context
|
|
*
|
|
* @par Description
|
|
* Function to update bits consume info to rate control context
|
|
*
|
|
* @param[in] ps_frame_info
|
|
* Frame info context
|
|
*
|
|
* @param[in] ps_entropy
|
|
* Entropy context
|
|
*
|
|
* @returns
|
|
* total bits consumed by the frame
|
|
*
|
|
* @remarks
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
void ih264e_update_rc_bits_info(frame_info_t *ps_frame_info, void *pv_entropy);
|
|
|
|
#endif /* IH264E_RATE_CONTROL_H */
|
|
|