aosp12/external/libhevc/encoder/ihevce_entropy_cod.c

814 lines
33 KiB
C

/******************************************************************************
*
* Copyright (C) 2018 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 ihevce_entropy_cod.c
*
* \brief
* This file contains interface function definitions related to Entroy coding
*
* \date
* 18/09/2012
*
* \author
* Ittiam
*
* List of Functions
*
*
******************************************************************************
*/
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
/* System include files */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <stdarg.h>
#include <math.h>
/* User include files */
#include "ihevc_typedefs.h"
#include "itt_video_api.h"
#include "ihevce_api.h"
#include "rc_cntrl_param.h"
#include "rc_frame_info_collector.h"
#include "rc_look_ahead_params.h"
#include "ihevc_defs.h"
#include "ihevc_macros.h"
#include "ihevc_debug.h"
#include "ihevc_structs.h"
#include "ihevc_platform_macros.h"
#include "ihevc_deblk.h"
#include "ihevc_itrans_recon.h"
#include "ihevc_chroma_itrans_recon.h"
#include "ihevc_chroma_intra_pred.h"
#include "ihevc_intra_pred.h"
#include "ihevc_inter_pred.h"
#include "ihevc_mem_fns.h"
#include "ihevc_padding.h"
#include "ihevc_weighted_pred.h"
#include "ihevc_sao.h"
#include "ihevc_resi_trans.h"
#include "ihevc_quant_iquant_ssd.h"
#include "ihevc_cabac_tables.h"
#include "ihevc_trans_tables.h"
#include "ihevc_trans_macros.h"
#include "ihevce_defs.h"
#include "ihevce_hle_interface.h"
#include "ihevce_hle_q_func.h"
#include "ihevce_lap_enc_structs.h"
#include "ihevce_multi_thrd_structs.h"
#include "ihevce_multi_thrd_funcs.h"
#include "ihevce_me_common_defs.h"
#include "ihevce_had_satd.h"
#include "ihevce_error_codes.h"
#include "ihevce_error_checks.h"
#include "ihevce_bitstream.h"
#include "ihevce_cabac.h"
#include "ihevce_rdoq_macros.h"
#include "ihevce_function_selector.h"
#include "ihevce_enc_structs.h"
#include "ihevce_global_tables.h"
#include "ihevce_entropy_structs.h"
#include "ihevce_entropy_interface.h"
#include "ihevce_rc_enc_structs.h"
#include "ihevce_rc_interface.h"
#include "ihevce_encode_header.h"
#include "ihevce_encode_header_sei_vui.h"
#include "ihevce_trace.h"
#include "cast_types.h"
#include "osal.h"
#include "osal_defaults.h"
/*****************************************************************************/
/* Extern variables */
/*****************************************************************************/
UWORD8 gau1_pic_type_string[5][11] = {
{ "I-SLICE " }, { "P-SLICE " }, { "B-SLICE " }, { "IDR-SLICE" }, { "b-SLICE " }
};
/*****************************************************************************/
/* Function Macros */
/*****************************************************************************/
#define PSNR_FROM_MSE(x, bit_depth) \
((x == 0) ? 99.999999 : (20 * log10(((1 << bit_depth) - 1) / sqrt(x))))
/*****************************************************************************/
/* Function Definitions */
/*****************************************************************************/
/*!
******************************************************************************
* \if Function name : ihevce_ent_coding_thrd \endif
*
* \brief
* Entropy coding thread interface function
*
* \param[in] Frame process pointer
*
* \return
* None
*
* \author
* Ittiam
*
*****************************************************************************
*/
WORD32 ihevce_ent_coding_thrd(void *pv_frm_proc_thrd_ctxt)
{
/* local variabels */
frm_proc_thrd_ctxt_t *ps_thrd_ctxt;
enc_ctxt_t *ps_enc_ctxt;
WORD32 i4_thrd_id;
ihevce_hle_ctxt_t *ps_hle_ctxt;
WORD32 end_flag;
WORD32 out_buf_id;
WORD32 inp_buf_id;
WORD32 entropy_error = 0;
WORD32 i4_bitrate_instance_num, i4_resolution_id, i4_out_res_id;
WORD32 i4_bufque_id;
UWORD32 u4_encode_frm_num = 0;
UWORD32 u4_au_cpb_removal_delay_minus1 = 0;
WORD32 i4_no_output = 0;
WORD32 i4_do_entr_last = 1;
WORD32 i4_use_dummy_buffer = 0;
void *pv_entropy_hdl;
entropy_context_t *ps_entropy_ctxt;
iv_output_data_buffs_t *ps_curr_out = NULL;
frm_proc_ent_cod_ctxt_t *ps_curr_inp = NULL;
iv_output_data_buffs_t s_curr_out_dummy;
/* derive local variables */
ps_thrd_ctxt = (frm_proc_thrd_ctxt_t *)pv_frm_proc_thrd_ctxt;
i4_thrd_id = ps_thrd_ctxt->i4_thrd_id;
ps_hle_ctxt = (ihevce_hle_ctxt_t *)ps_thrd_ctxt->ps_hle_ctxt;
ps_enc_ctxt = (enc_ctxt_t *)ps_thrd_ctxt->pv_enc_ctxt;
end_flag = 0;
i4_bitrate_instance_num = i4_thrd_id;
i4_bufque_id = i4_thrd_id;
i4_resolution_id = ps_enc_ctxt->i4_resolution_id;
i4_out_res_id = i4_resolution_id;
/*swaping of buf_id for 0th and reference bitrate location, as encoder
assumes always 0th loc for reference bitrate and app must receive in
the configured order*/
i4_bufque_id = i4_bitrate_instance_num;
if(i4_bitrate_instance_num == 0)
{
i4_bufque_id = ps_enc_ctxt->i4_ref_mbr_id;
}
else if(i4_bitrate_instance_num == ps_enc_ctxt->i4_ref_mbr_id)
{
i4_bufque_id = 0;
}
if(1 == ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_mres_single_out)
{
i4_bufque_id = 0;
i4_out_res_id = 0;
}
pv_entropy_hdl = ps_enc_ctxt->s_module_ctxt.apv_ent_cod_ctxt[i4_bitrate_instance_num];
ps_entropy_ctxt = (entropy_context_t *)pv_entropy_hdl;
/* ---------- Processing Loop until end command is recieved --------- */
while(0 == end_flag)
{
/*Get a buffer pointer*/
/* ------- get next input buffer from Frame buffer que ---------- */
ps_curr_inp = (frm_proc_ent_cod_ctxt_t *)ihevce_q_get_filled_buff(
(void *)ps_enc_ctxt,
(IHEVCE_FRM_PRS_ENT_COD_Q + i4_bitrate_instance_num),
&inp_buf_id,
BUFF_QUE_BLOCKING_MODE);
if(1 == ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_mres_single_out)
{
if(1 == ps_curr_inp->i4_out_flush_flag)
{
if(1 == ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id])
ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id] = 0;
else
ASSERT(0);
}
else
{
if(0 == ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id])
{
/* During change in resolution check whether prev res is active before starting to dump new resolution */
WORD32 other_res_active = 1;
WORD32 ctr;
volatile WORD32 *pi4_active_res_check;
pi4_active_res_check = ps_enc_ctxt->s_multi_thrd.pi4_active_res_id;
while(other_res_active)
{
/* Continue in polling mode untill all the other resolutions are in passive mode */
other_res_active = 0;
for(ctr = 0;
ctr < ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_num_res_layers;
ctr++)
{
if(ctr != i4_resolution_id)
{
/* Check whether any resolution other than current resolution is active */
/* If its active it means that previous resolution has not finished entropy */
/* Wait for it to finish entropy*/
other_res_active |= pi4_active_res_check[ctr];
}
}
if(1 == ps_curr_inp->i4_end_flag)
{
i4_no_output = 1;
}
}
if(0 == ps_curr_inp->i4_end_flag)
{
ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id] = 1;
}
}
}
}
if(0 == ps_curr_inp->i4_out_flush_flag)
{
if(1 == i4_no_output)
{
ps_curr_out = NULL;
}
else
{
if(!i4_use_dummy_buffer)
{
/* ------- get a filled descriptor from output Que ------------ */
ps_curr_out = (iv_output_data_buffs_t *)ihevce_q_get_filled_buff(
(void *)ps_enc_ctxt,
(IHEVCE_OUTPUT_DATA_Q + i4_bufque_id),
&out_buf_id,
BUFF_QUE_BLOCKING_MODE);
}
else
{
ps_curr_out = &s_curr_out_dummy;
out_buf_id = 0;
ps_curr_out->i4_bitstream_buf_size = ps_entropy_ctxt->i4_bitstream_buf_size;
ps_curr_out->pv_bitstream_bufs = ps_entropy_ctxt->pv_dummy_out_buf;
}
}
}
PROFILE_START(
&ps_hle_ctxt->profile_entropy[ps_enc_ctxt->i4_resolution_id][i4_bitrate_instance_num]);
/* Content Light Level Information */
{
ps_curr_inp->s_sei.i1_sei_cll_enable =
(WORD8)ps_enc_ctxt->ps_stat_prms->s_out_strm_prms.i4_sei_cll_enable;
ps_curr_inp->s_sei.s_cll_info_sei_params.u2_sei_max_cll =
ps_enc_ctxt->ps_stat_prms->s_out_strm_prms.u2_sei_max_cll;
ps_curr_inp->s_sei.s_cll_info_sei_params.u2_sei_avg_cll =
ps_enc_ctxt->ps_stat_prms->s_out_strm_prms.u2_sei_avg_cll;
}
if((NULL != ps_curr_out) && (NULL != ps_curr_inp))
{
WORD32 i;
/*PIC_INFO: reset the pic-level info flags*/
ps_curr_inp->s_pic_level_info.i8_total_cu = 0;
ps_curr_inp->s_pic_level_info.i8_total_intra_cu = 0;
ps_curr_inp->s_pic_level_info.i8_total_inter_cu = 0;
ps_curr_inp->s_pic_level_info.i8_total_skip_cu = 0;
ps_curr_inp->s_pic_level_info.i8_total_pu = 0;
ps_curr_inp->s_pic_level_info.i8_total_intra_pu = 0;
ps_curr_inp->s_pic_level_info.i8_total_non_skipped_inter_pu = 0;
ps_curr_inp->s_pic_level_info.i8_total_merge_pu = 0;
for(i = 0; i < 4; i++)
{
ps_curr_inp->s_pic_level_info.i8_total_cu_based_on_size[i] = 0;
ps_curr_inp->s_pic_level_info.i8_total_2nx2n_intra_pu[i] = 0;
ps_curr_inp->s_pic_level_info.i8_total_2nx2n_inter_pu[i] = 0;
ps_curr_inp->s_pic_level_info.i8_total_tu_based_on_size[i] = 0;
ps_curr_inp->s_pic_level_info.i8_total_smp_inter_pu[i] = 0;
if(i != 3)
{
ps_curr_inp->s_pic_level_info.i8_total_amp_inter_pu[i] = 0;
ps_curr_inp->s_pic_level_info.i8_total_nxn_inter_pu[i] = 0;
}
}
ps_curr_inp->s_pic_level_info.i8_total_nxn_intra_pu = 0;
ps_curr_inp->s_pic_level_info.i8_total_L0_mode = 0;
ps_curr_inp->s_pic_level_info.i8_total_L1_mode = 0;
ps_curr_inp->s_pic_level_info.i8_total_BI_mode = 0;
//ps_curr_inp->s_pic_level_info.u4_frame_intra_sad = ps_enc_ctxt->u4
for(i = 0; i < MAX_DPB_SIZE; i++)
{
ps_curr_inp->s_pic_level_info.i8_total_L0_ref_idx[i] = 0;
ps_curr_inp->s_pic_level_info.i8_total_L1_ref_idx[i] = 0;
}
ps_curr_inp->s_pic_level_info.i8_total_tu = 0;
ps_curr_inp->s_pic_level_info.i8_total_non_coded_tu = 0;
ps_curr_inp->s_pic_level_info.i8_total_intra_coded_tu = 0;
ps_curr_inp->s_pic_level_info.i8_total_inter_coded_tu = 0;
ps_curr_inp->s_pic_level_info.i8_total_qp = 0;
ps_curr_inp->s_pic_level_info.i8_total_qp_min_cu = 0;
ps_curr_inp->s_pic_level_info.i4_min_qp = 100;
ps_curr_inp->s_pic_level_info.i4_max_qp = 0;
ps_curr_inp->s_pic_level_info.i4_max_frame_qp = 0;
ps_curr_inp->s_pic_level_info.i8_sum_squared_frame_qp = 0;
ps_curr_inp->s_pic_level_info.i8_total_frame_qp = 0;
ps_curr_inp->s_pic_level_info.f_total_buffer_underflow = 0;
ps_curr_inp->s_pic_level_info.f_total_buffer_overflow = 0;
ps_curr_inp->s_pic_level_info.f_max_buffer_underflow = 0;
ps_curr_inp->s_pic_level_info.f_max_buffer_overflow = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_intra = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_inter = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_slice_header = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_sao = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_split_cu_flag = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_cu_hdr_bits = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_split_tu_flag = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_qp_delta_bits = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_cbf_luma_bits = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_cbf_chroma_bits = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_res_luma_bits = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_res_chroma_bits = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_ref_id = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_mvd = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_merge_flag = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_mpm_luma = 0;
ps_curr_inp->s_pic_level_info.u8_bits_estimated_mpm_chroma = 0;
if(1 == ps_curr_inp->i4_frm_proc_valid_flag)
{
/* --- Init of buffering period and pic timing SEI related params ----*/
{
UWORD32 i4_dbf, i4_buffersize, i4_trgt_bit_rate;
if(ps_enc_ctxt->ps_stat_prms->s_config_prms.i4_rate_control_mode != 3)
{
ihevce_get_dbf_buffer_size(
(void *)ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num],
&i4_buffersize,
&i4_dbf,
&i4_trgt_bit_rate);
}
else
{
/* Default initializations in CQP mode */
WORD32 codec_level =
ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.as_tgt_params[0]
.i4_codec_level;
WORD32 codec_level_index = ihevce_get_level_index(codec_level);
WORD32 codec_tier =
ps_enc_ctxt->ps_stat_prms->s_out_strm_prms.i4_codec_tier;
i4_buffersize =
(UWORD32)g_as_level_data[codec_level_index].i4_max_cpb[codec_tier] *
CBP_VCL_FACTOR;
i4_trgt_bit_rate =
(UWORD32)g_as_level_data[codec_level_index].i4_max_bit_rate[codec_tier] *
CBP_VCL_FACTOR;
i4_dbf = i4_buffersize;
}
ps_curr_inp->s_sei.s_buf_period_sei_params.u4_buffer_size_sei = i4_buffersize;
ps_curr_inp->s_sei.s_buf_period_sei_params.u4_dbf_sei = i4_dbf;
ps_curr_inp->s_sei.s_buf_period_sei_params.u4_target_bit_rate_sei =
i4_trgt_bit_rate;
/* ----------------- Derivation of u4_au_cpb_removal_delay_minus1 --------------------------------*/
ps_curr_inp->s_sei.s_pic_timing_sei_params.u4_au_cpb_removal_delay_minus1 =
u4_au_cpb_removal_delay_minus1;
/* ----------------- Derivation of u4_pic_dpb_output_delay --------------------------------*/
ps_curr_inp->s_sei.s_pic_timing_sei_params.u4_pic_dpb_output_delay =
ps_curr_inp->ps_sps->ai1_sps_max_num_reorder_pics[0] +
ps_curr_inp->i4_display_num - u4_encode_frm_num;
}
/* call the core entropy coding entry point function */
entropy_error = ihevce_entropy_encode_frame(
pv_entropy_hdl, ps_curr_out, ps_curr_inp, ps_curr_out->i4_bitstream_buf_size);
/* ----------------- Derivation of u4_au_cpb_removal_delay_minus1 --------------------------------*/
if(ps_curr_inp->s_sei.i1_buf_period_params_present_flag)
{
/* Reset u4_au_cpb_removal_delay_minus1 after every buffering period as subsequent pictiming is w.r.t new buffering period SEI */
u4_au_cpb_removal_delay_minus1 = 0;
}
else
{
/* cpb delay is circularly incremented with wrap around based on max length signalled in VUI */
UWORD8 u1_au_cpb_removal_delay_length =
ps_curr_inp->ps_sps->s_vui_parameters.s_vui_hrd_parameters
.u1_au_cpb_removal_delay_length_minus1 +
1;
UWORD32 u4_max_cpb_removal_delay_val =
(1 << u1_au_cpb_removal_delay_length) - 1;
u4_au_cpb_removal_delay_minus1 = (u4_au_cpb_removal_delay_minus1 + 1) &
u4_max_cpb_removal_delay_val;
}
/* Debug prints for entropy error */
if(entropy_error)
{
DBG_PRINTF("Entropy encode error %x\n", entropy_error);
DEBUG("Entropy encode error %d\n", entropy_error);
}
if(ps_enc_ctxt->ps_stat_prms->s_config_prms.i4_rate_control_mode != 3)
{
/* acquire mutex lock for rate control calls */
osal_mutex_lock(ps_enc_ctxt->pv_rc_mutex_lock_hdl);
/* get frame rate/bit rate/max buffer size */
ihevce_vbv_compliance_frame_level_update(
ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num],
(ps_curr_out->i4_bytes_generated << 3),
i4_resolution_id,
i4_bitrate_instance_num,
ps_curr_inp->s_sei.s_pic_timing_sei_params.u4_au_cpb_removal_delay_minus1);
/* release mutex lock after rate control calls */
osal_mutex_unlock(ps_enc_ctxt->pv_rc_mutex_lock_hdl);
}
/*correct the mismatch between rdopt and entropy thread mismatch*/
{
/* acquire mutex lock for rate control calls */
osal_mutex_lock(ps_enc_ctxt->pv_rc_mutex_lock_hdl);
/*Set to -1 when no change in bitrate, other-wise set to encoder bufferfullness at that moment*/
ps_curr_out->i8_cur_vbv_level = ps_curr_inp->i8_buf_level_bitrate_change;
if(ps_curr_inp->i8_buf_level_bitrate_change != -1)
{
LWORD64 bitrate, buffer_size;
ASSERT(
i4_bitrate_instance_num ==
0); //since dynamic change in bitrate is not supported in multi bitrate and resolution
get_avg_bitrate_bufsize(
ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num],
&bitrate,
&buffer_size);
change_bitrate_vbv_complaince(
ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num],
bitrate,
buffer_size);
/*Change bitrate in SEI-VUI related context as well*/
ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms
.as_tgt_params[ps_enc_ctxt->i4_resolution_id]
.ai4_tgt_bitrate[i4_bitrate_instance_num] = (WORD32)bitrate;
ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms
.as_tgt_params[ps_enc_ctxt->i4_resolution_id]
.ai4_max_vbv_buffer_size[i4_bitrate_instance_num] = (WORD32)buffer_size;
}
/*account for error to meet bitrate more precisely*/
ihevce_rc_rdopt_entropy_bit_correct(
ps_enc_ctxt->s_module_ctxt.apv_rc_ctxt[i4_bitrate_instance_num],
(ps_curr_out->i4_bytes_generated << 3),
inp_buf_id); //ps_curr_inp->i4_inp_timestamp_low
/* release mutex lock after rate control calls */
osal_mutex_unlock(ps_enc_ctxt->pv_rc_mutex_lock_hdl);
}
u4_encode_frm_num++;
}
else
{
ps_curr_out->i4_bytes_generated = 0;
ps_curr_out->i4_encoded_frame_type = IV_NA_FRAME;
}
ps_curr_out->i4_buf_id = out_buf_id;
end_flag = ps_curr_inp->i4_end_flag;
ps_curr_out->i4_end_flag = ps_curr_inp->i4_end_flag;
if(1 == ps_enc_ctxt->s_multi_thrd.i4_force_end_flag)
{
end_flag = 1;
ps_curr_out->i4_end_flag = 1;
}
if(!i4_use_dummy_buffer)
{
/* Call back to Apln. saying buffer is produced */
ps_hle_ctxt->ihevce_output_strm_fill_done(
ps_hle_ctxt->pv_out_cb_handle,
ps_curr_out,
i4_bufque_id, /* br intance */
i4_out_res_id /* res_instance*/);
}
if(ps_curr_inp->i4_frm_proc_valid_flag)
{
ps_curr_inp->s_pic_level_info.u8_total_bits_generated =
ps_curr_out->i4_bytes_generated * 8;
}
/* --- release the current output buffer ---- */
if(!i4_use_dummy_buffer)
{
ihevce_q_rel_buf(
(void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bufque_id), out_buf_id);
}
/* release the input buffer*/
ihevce_q_rel_buf(
(void *)ps_enc_ctxt,
(IHEVCE_FRM_PRS_ENT_COD_Q + i4_bitrate_instance_num),
inp_buf_id);
/* reset the pointers to NULL */
ps_curr_inp = NULL;
ps_curr_out = NULL;
}
else
{
end_flag = ps_curr_inp->i4_end_flag;
if(NULL != ps_curr_inp)
{
/* release the input buffer*/
ihevce_q_rel_buf(
(void *)ps_enc_ctxt,
(IHEVCE_FRM_PRS_ENT_COD_Q + i4_bitrate_instance_num),
inp_buf_id);
}
// ASSERT(0);
}
PROFILE_STOP(
&ps_hle_ctxt->profile_entropy[ps_enc_ctxt->i4_resolution_id][i4_bitrate_instance_num],
NULL);
}
/* Release all the buffers the application might have queued in */
/* Do this only if its not a force end */
if(1 != ps_enc_ctxt->s_multi_thrd.i4_force_end_flag)
{
end_flag = 0;
}
if(1 == ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_mres_single_out)
{
ps_enc_ctxt->ps_stat_prms->i4_outbuf_buf_free_control = 1;
i4_do_entr_last = ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id];
}
else
{
i4_do_entr_last = 1;
}
if((1 == i4_do_entr_last) && (!i4_use_dummy_buffer))
{
while(0 == end_flag)
{
if(1 == ps_enc_ctxt->ps_stat_prms->i4_outbuf_buf_free_control) //FFMPEG application
{
/* ------- get a filled descriptor from output Que ------------ */
ps_curr_out = (iv_output_data_buffs_t *)ihevce_q_get_filled_buff(
(void *)ps_enc_ctxt,
(IHEVCE_OUTPUT_DATA_Q + i4_bufque_id),
&out_buf_id,
BUFF_QUE_NON_BLOCKING_MODE);
/* Update the end_flag from application */
end_flag = (ps_curr_out == NULL);
}
else if(
0 == ps_enc_ctxt->ps_stat_prms
->i4_outbuf_buf_free_control) // process call control based application
{
ps_curr_out = (iv_output_data_buffs_t *)ihevce_q_get_filled_buff(
(void *)ps_enc_ctxt,
(IHEVCE_OUTPUT_DATA_Q + i4_bufque_id),
&out_buf_id,
BUFF_QUE_BLOCKING_MODE);
}
else
{
/* should not enter here */
ASSERT(0);
}
if(ps_curr_out)
{
end_flag = ps_curr_out->i4_is_last_buf;
/* Fill the min. necessory things */
ps_curr_out->i4_process_ret_sts = IV_SUCCESS;
ps_curr_out->i4_end_flag = 1;
ps_curr_out->i4_bytes_generated = 0;
/* Call back to Apln. saying buffer is produced */
ps_hle_ctxt->ihevce_output_strm_fill_done(
ps_hle_ctxt->pv_out_cb_handle,
ps_curr_out,
i4_bufque_id, /* br intance */
i4_out_res_id /* res_instance*/);
/* --- release the current output buffer ---- */
ihevce_q_rel_buf(
(void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bufque_id), out_buf_id);
}
}
}
if(1 == ps_enc_ctxt->ps_stat_prms->s_tgt_lyr_prms.i4_mres_single_out)
{
/* Mres single out usecase: Set active res_id to zero for curretn res so that other resolutions exit entropy */
ps_enc_ctxt->s_multi_thrd.pi4_active_res_id[i4_resolution_id] = 0;
}
return (0);
}
/**
******************************************************************************
*
* @brief Generate sps, pps and vps header for
*
* @par Description
* This function generates nal headers like SPS/PPS/VPS
*
* @param[in] ps_hle_ctxt
* pointer to high level interface context (handle)
*
* @param[in] i4_bitrate_instance_id
* bitrate id
*
* @param[in] i4_resolution_id
* resolution id
*
* @return success or failure error code
*
******************************************************************************
*/
WORD32 ihevce_entropy_encode_header(
ihevce_hle_ctxt_t *ps_hle_ctxt, WORD32 i4_bitrate_instance_id, WORD32 i4_resolution_id)
{
WORD32 ret = IHEVCE_SUCCESS;
bitstrm_t s_bit_strm;
bitstrm_t *ps_bitstrm = &s_bit_strm;
enc_ctxt_t *ps_enc_ctxt;
ihevce_tgt_layer_params_t *ps_tgt_lyr_prms;
sps_t *ps_sps;
vps_t *ps_vps;
pps_t *ps_pps;
iv_output_data_buffs_t *ps_curr_out = NULL;
WORD32 out_buf_id;
/* sanity checks */
if((ps_hle_ctxt == NULL) || (ps_hle_ctxt->i4_size != sizeof(ihevce_hle_ctxt_t)) ||
ps_hle_ctxt->i4_hle_init_done != 1)
return IHEVCE_FAIL;
ps_tgt_lyr_prms = (ihevce_tgt_layer_params_t *)&ps_hle_ctxt->ps_static_cfg_prms->s_tgt_lyr_prms;
if(i4_resolution_id >= ps_tgt_lyr_prms->i4_num_res_layers)
return IHEVCE_FAIL;
if(i4_bitrate_instance_id >=
ps_tgt_lyr_prms->as_tgt_params[i4_resolution_id].i4_num_bitrate_instances)
return IHEVCE_FAIL;
ps_enc_ctxt = (enc_ctxt_t *)ps_hle_ctxt->apv_enc_hdl[i4_resolution_id];
ps_sps = &ps_enc_ctxt->as_sps[i4_bitrate_instance_id];
ps_vps = &ps_enc_ctxt->as_vps[i4_bitrate_instance_id];
ps_pps = &ps_enc_ctxt->as_pps[i4_bitrate_instance_id];
/* ------- get a filled descriptor from output Que ------------ */
ps_curr_out = (iv_output_data_buffs_t *)ihevce_q_get_filled_buff(
(void *)ps_enc_ctxt,
(IHEVCE_OUTPUT_DATA_Q + i4_bitrate_instance_id),
&out_buf_id,
BUFF_QUE_BLOCKING_MODE);
/* Initialize the bitstream engine */
ret |= ihevce_bitstrm_init(
ps_bitstrm, (UWORD8 *)ps_curr_out->pv_bitstream_bufs, ps_curr_out->i4_bitstream_buf_size);
/* Reset Bitstream NAL counter */
ps_bitstrm->i4_num_nal = 0;
/* generate vps */
ret |= ihevce_generate_vps(ps_bitstrm, ps_vps);
/* generate sps */
ret |= ihevce_generate_sps(ps_bitstrm, ps_sps);
/* generate pps */
ret |= ihevce_generate_pps(ps_bitstrm, ps_pps);
/* attach the time stamp of the input to output */
ps_curr_out->i4_out_timestamp_low = 0;
ps_curr_out->i4_out_timestamp_high = 0;
/*attach the app frame info of this buffer */
ps_curr_out->pv_app_frm_ctxt = NULL;
/* frame never skipped for now */
ps_curr_out->i4_frame_skipped = 0;
/* update error code and return */
ps_curr_out->i4_process_error_code = ret;
ps_curr_out->i4_bytes_generated = ps_bitstrm->u4_strm_buf_offset;
/* ------------------- Initialize non-VCL prefix NAL Size/offsets --------------------*/
{
WORD32 num_non_vcl_prefix_nals = ps_bitstrm->i4_num_nal;
WORD32 ctr = 0;
ASSERT(num_non_vcl_prefix_nals <= MAX_NUM_PREFIX_NALS_PER_AU);
ps_curr_out->i4_num_non_vcl_prefix_nals = num_non_vcl_prefix_nals;
for(ctr = 0; ctr < MIN(num_non_vcl_prefix_nals, MAX_NUM_PREFIX_NALS_PER_AU); ctr++)
{
/* NAL offset is derive by subtracting Bistream base from NAL start pointer */
ULWORD64 u8_cur_nal_start = (ULWORD64)ps_bitstrm->apu1_nal_start[ctr];
#if POPULATE_NAL_SIZE
/* ----------Populate NAL Size -------------*/
if((ctr + 1) < num_non_vcl_prefix_nals)
{
ULWORD64 u8_next_nal_start = (ULWORD64)ps_bitstrm->apu1_nal_start[ctr + 1];
ps_curr_out->ai4_size_non_vcl_prefix_nals[ctr] =
(UWORD32)(u8_next_nal_start - u8_cur_nal_start);
}
else
{
ULWORD64 u8_next_nal_start =
(ULWORD64)ps_bitstrm->pu1_strm_buffer + ps_bitstrm->u4_strm_buf_offset;
ps_curr_out->ai4_size_non_vcl_prefix_nals[ctr] =
(UWORD32)(u8_next_nal_start - u8_cur_nal_start);
}
ASSERT(ps_curr_out->ai4_size_non_vcl_prefix_nals[ctr] > 0);
#elif POPULATE_NAL_OFFSET
/* ----------Populate NAL Offset -------------*/
ASSERT(u8_cur_nal_start >= u8_bitstream_base);
ps_curr_out->ai4_off_non_vcl_prefix_nals[ctr] =
(UWORD32)(u8_cur_nal_start - u8_bitstream_base);
if(ctr)
{
/* sanity check on increasing NAL offsets */
ASSERT(
ps_curr_out->ai4_off_non_vcl_prefix_nals[ctr] >
ps_curr_out->ai4_off_non_vcl_prefix_nals[ctr - 1]);
}
#endif /* POPULATE_NAL_SIZE */
}
}
ps_curr_out->i4_buf_id = out_buf_id;
ps_curr_out->i4_end_flag = 0;
if(IHEVCE_SUCCESS == ret)
{
ps_curr_out->i4_process_ret_sts = IV_SUCCESS;
}
else
{
ps_curr_out->i4_process_ret_sts = IV_FAIL;
}
ps_curr_out->i4_encoded_frame_type = IV_NA_FRAME;
/* Call back to Apln. saying buffer is produced */
ps_hle_ctxt->ihevce_output_strm_fill_done(
ps_hle_ctxt->pv_out_cb_handle, ps_curr_out, i4_bitrate_instance_id, i4_resolution_id);
/* release the input buffer*/
ihevce_q_rel_buf(
(void *)ps_enc_ctxt, (IHEVCE_OUTPUT_DATA_Q + i4_bitrate_instance_id), out_buf_id);
return ret;
}