unplugged-system/external/libavc/encoder/svc/isvce_nalu_stat_aggregator.c

125 lines
4.2 KiB
C

/******************************************************************************
*
* Copyright (C) 2022 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
* isvce_nalu_stat_aggregator.c
*
* @brief
* Contains objects used for aggregating nalu statistics
*
*******************************************************************************
*/
#include <stdio.h>
#include <string.h>
#include "ih264_typedefs.h"
#include "iv2.h"
#include "isvce_structs.h"
#include "isvce_nalu_stat_aggregator.h"
void isvce_nalu_info_au_init(nalu_descriptors_t *ps_nalu_descriptor, UWORD8 u1_num_spatial_layers)
{
WORD32 i;
for(i = 0; i < u1_num_spatial_layers; i++)
{
ps_nalu_descriptor[i].u1_num_nalus = 0;
}
}
void isvce_nalu_info_csv_translator(nalu_descriptors_t *ps_nalu_descriptor,
isvce_nalu_info_buf_t *ps_csv_buf)
{
char ac_csv_string[MAX_BYTES_PER_NALU_INFO];
WORD32 i;
WORD64 i8_num_bytes_available = ps_csv_buf->u4_buf_size - ps_csv_buf->u4_num_bytes;
for(i = 0; i < ps_nalu_descriptor->u1_num_nalus; i++)
{
if(ps_nalu_descriptor->as_nalu_info[i].b_is_vcl_nal)
{
snprintf(ac_csv_string, MAX_BYTES_PER_NALU_INFO, "%d,%u,%d,%d,%d,%d,%d\n",
ps_nalu_descriptor->as_nalu_info[i].e_nalu_type,
(UWORD32) (ps_nalu_descriptor->as_nalu_info[i].i8_num_bits / 8),
ps_nalu_descriptor->as_nalu_info[i].u1_spatial_layer_id,
ps_nalu_descriptor->as_nalu_info[i].u1_temporal_layer_id,
ps_nalu_descriptor->as_nalu_info[i].b_is_idr, 1, 1);
}
else
{
snprintf(ac_csv_string, MAX_BYTES_PER_NALU_INFO, "%d,%u,%d,%d,%d,%d,%d\n",
ps_nalu_descriptor->as_nalu_info[i].e_nalu_type,
(UWORD32) (ps_nalu_descriptor->as_nalu_info[i].i8_num_bits / 8), -1, -1, -1,
-1, -1);
}
snprintf((char *) (ps_csv_buf->pu1_buf + ps_csv_buf->u4_num_bytes), i8_num_bytes_available,
"%s", ac_csv_string);
ps_csv_buf->u4_num_bytes = (UWORD32) strlen((char *) ps_csv_buf->pu1_buf);
i8_num_bytes_available = ps_csv_buf->u4_buf_size - ps_csv_buf->u4_num_bytes;
ASSERT(i8_num_bytes_available >= 0);
}
}
nalu_info_t *isvce_get_next_nalu_info_buf(nalu_descriptors_t *ps_nalu_descriptor)
{
return &ps_nalu_descriptor->as_nalu_info[ps_nalu_descriptor->u1_num_nalus];
}
void isvce_nalu_info_buf_init(nalu_info_t *ps_nalu_info, WORD64 i8_init_bits,
NAL_UNIT_TYPE_T e_nalu_type, UWORD8 u1_spatial_layer_id,
UWORD8 u1_temporal_layer_id, UWORD8 u1_num_slices, bool b_is_idr)
{
ps_nalu_info->e_nalu_type = e_nalu_type;
ps_nalu_info->i8_num_bits = i8_init_bits;
ps_nalu_info->b_is_idr = b_is_idr;
switch(e_nalu_type)
{
case NAL_SLICE_NON_IDR:
case NAL_SLICE_IDR:
case NAL_CODED_SLICE_EXTENSION:
{
ps_nalu_info->b_is_vcl_nal = true;
ps_nalu_info->u1_spatial_layer_id = u1_spatial_layer_id;
ps_nalu_info->u1_temporal_layer_id = u1_temporal_layer_id;
ps_nalu_info->u1_num_slices = u1_num_slices;
break;
}
default:
{
ps_nalu_info->b_is_vcl_nal = false;
break;
}
}
}
void isvce_update_nalu_count(nalu_descriptors_t *ps_nalu_descriptor)
{
ps_nalu_descriptor->u1_num_nalus++;
}