libxaac/decoder/drc_src/impd_drc_dec.c
Ray Essick 4908247643 Sanitization fixes from new CTS tests
Updates from vendor to remedy issues exposed by new CTS tests

Bug: 77287124
Test: CTS DecoderTest, DecoderTest{AacDrc,XheAac}

@ Sanitizer fixes in libxaac

Fixes few integer overflow sanitizer errors
Progagate few errors
ENABLE_DRC macro is removed
AMMENDMENT1 macro is removed

Change-Id: Ic61163dfd6318bd4a00ed45e1295c819cb0f637b

@ Add support for audio pre-roll and DRC effect type

Also includes the following
MPEG-D DRC parameters related changes
USAC config switch changes
SBR config switch changes

Bug: 80133175
Change-Id: I0ab25641768cf523b66f7b0fcb4137429c1c4a77

@ Fixed trailing spaces

Change-Id: I32de0c9d3f7237e1fbf8dfef1cac485ef8458173

@ Replaced tabs

Change-Id: Ic741ee13d7b978b37edc27d087903caaa40b8d90
2018-05-25 11:35:52 -07:00

378 lines
15 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
*/
#include <stdlib.h>
#include "impd_type_def.h"
#include "impd_drc_extr_delta_coded_info.h"
#include "impd_drc_common.h"
#include "impd_drc_struct.h"
#include "impd_parametric_drc_dec.h"
#include "impd_drc_gain_dec.h"
#include "impd_drc_filter_bank.h"
#include "impd_drc_multi_band.h"
WORD32 impd_init_drc_params(WORD32 frame_size,
WORD32 sample_rate,
WORD32 gain_delay_samples,
WORD32 delay_mode,
WORD32 sub_band_domain_mode,
ia_drc_params_struct* ia_drc_params_struct)
{
WORD32 k;
if (frame_size < 1|| frame_size > AUDIO_CODEC_FRAME_SIZE_MAX)
{
return -1;
}
if (sample_rate < 1000)
{
return -1;
}
ia_drc_params_struct->drc_frame_size = frame_size;
if (ia_drc_params_struct->drc_frame_size < 0.001f * sample_rate)
{
return -1;
}
ia_drc_params_struct->sample_rate = sample_rate;
ia_drc_params_struct->delta_tmin_default = impd_get_delta_tmin(sample_rate);
if (ia_drc_params_struct->delta_tmin_default > ia_drc_params_struct->drc_frame_size)
{
return -1;
}
if ((delay_mode != DELAY_MODE_REGULAR_DELAY) && (delay_mode != DELAY_MODE_LOW_DELAY))
{
return -1;
}
ia_drc_params_struct->delay_mode = delay_mode;
ia_drc_params_struct->drc_set_counter = 0;
ia_drc_params_struct->multiband_sel_drc_idx = -1;
for (k = 0; k < SEL_DRC_COUNT; k++)
{
ia_drc_params_struct->sel_drc_array[k].drc_instructions_index = -1;
ia_drc_params_struct->sel_drc_array[k].dwnmix_instructions_index = -1;
ia_drc_params_struct->sel_drc_array[k].drc_coeff_idx = -1;
}
if ((gain_delay_samples > MAX_SIGNAL_DELAY) || (gain_delay_samples < 0))
{
return -1;
}
else
{
ia_drc_params_struct->gain_delay_samples = gain_delay_samples;
}
switch (sub_band_domain_mode)
{
case SUBBAND_DOMAIN_MODE_OFF:
case SUBBAND_DOMAIN_MODE_QMF64:
case SUBBAND_DOMAIN_MODE_QMF71:
case SUBBAND_DOMAIN_MODE_STFT256:
ia_drc_params_struct->sub_band_domain_mode = sub_band_domain_mode;
break;
default:
return -1;
break;
}
ia_drc_params_struct->parametric_drc_delay = 0;
ia_drc_params_struct->eq_delay = 0;
return 0;
}
WORD32 impd_select_drc_coefficients(ia_drc_config* drc_config,
ia_uni_drc_coeffs_struct** drc_coefficients_drc,
WORD32* drc_coefficients_selected)
{
WORD32 i;
WORD32 cof1 = -1;
WORD32 cof0 = -1;
for(i=0; i<drc_config->drc_coefficients_drc_count; i++)
{
if (drc_config->str_p_loc_drc_coefficients_uni_drc[i].drc_location == 1)
{
if (drc_config->str_p_loc_drc_coefficients_uni_drc[i].version == 0)
{
cof0 = i;
*drc_coefficients_selected = cof0;
}
else
{
cof1 = i;
*drc_coefficients_selected = cof1;
}
}
}
if (cof1 >= 0) {
*drc_coefficients_drc = &(drc_config->str_p_loc_drc_coefficients_uni_drc[cof1]);
}
else if (cof0 >= 0) {
*drc_coefficients_drc = &(drc_config->str_p_loc_drc_coefficients_uni_drc[cof0]);
}
else {
*drc_coefficients_drc = NULL;
}
return 0;
}
WORD32 impd_init_selected_drc_set(ia_drc_config* drc_config,
ia_drc_params_struct* ia_drc_params_struct,
ia_parametric_drc_params_struct* p_parametric_drc_params,
WORD32 audio_num_chan,
WORD32 drc_set_id_selected,
WORD32 downmix_id_selected,
ia_filter_banks_struct* ia_filter_banks_struct,
ia_overlap_params_struct* pstr_overlap_params
, shape_filter_block* shape_filter_block
)
{
WORD32 g, n, c, err = 0;
WORD32 channel_count = 0;
WORD32 i;
ia_drc_instructions_struct* drc_instructions_uni_drc = NULL;
ia_uni_drc_coeffs_struct* drc_coefficients_uni_drc = NULL;
WORD32 selected_drc_is_multiband = 0;
WORD32 drc_instructions_selected = -1;
WORD32 downmix_instructions_selected = -1;
WORD32 drc_coefficients_selected = -1;
p_parametric_drc_params->parametric_drc_instance_count = 0;
if (drc_config->drc_coefficients_drc_count && drc_config->str_p_loc_drc_coefficients_uni_drc->drc_frame_size_present)
{
if (drc_config->str_p_loc_drc_coefficients_uni_drc->drc_frame_size != ia_drc_params_struct->drc_frame_size)
{
return -1;
}
}
for(n=0; n<drc_config->drc_instructions_count_plus; n++)
{
if (drc_config->str_drc_instruction_str[n].drc_set_id == drc_set_id_selected)
break;
}
if (n == drc_config->drc_instructions_count_plus)
{
return -1;
}
drc_instructions_selected = n;
drc_instructions_uni_drc = &(drc_config->str_drc_instruction_str[drc_instructions_selected]);
if (downmix_id_selected == ID_FOR_BASE_LAYOUT)
{
channel_count = drc_config->channel_layout.base_channel_count;
}
else if (downmix_id_selected == ID_FOR_ANY_DOWNMIX)
{
channel_count = audio_num_chan;
}
else
{
for(n=0; n<drc_config->dwnmix_instructions_count; n++)
{
if (drc_config->dwnmix_instructions[n].downmix_id == downmix_id_selected)
break;
}
if (n == drc_config->dwnmix_instructions_count)
{
return (UNEXPECTED_ERROR);
}
channel_count = drc_config->dwnmix_instructions[n].target_channel_count;
downmix_instructions_selected = n;
}
drc_instructions_uni_drc->audio_num_chan = channel_count;
if (drc_instructions_uni_drc->drc_set_id <= 0)
{
drc_coefficients_selected = 0;
}
else
{
err = impd_select_drc_coefficients(drc_config, &drc_coefficients_uni_drc, &drc_coefficients_selected);
}
ia_drc_params_struct->sel_drc_array[ia_drc_params_struct->drc_set_counter].drc_instructions_index = drc_instructions_selected;
ia_drc_params_struct->sel_drc_array[ia_drc_params_struct->drc_set_counter].dwnmix_instructions_index = downmix_instructions_selected;
ia_drc_params_struct->sel_drc_array[ia_drc_params_struct->drc_set_counter].drc_coeff_idx = drc_coefficients_selected;
if ((drc_instructions_uni_drc->downmix_id[0] == ID_FOR_ANY_DOWNMIX) || (drc_instructions_uni_drc->dwnmix_id_count > 1))
{
WORD32 idx = drc_instructions_uni_drc->gain_set_index[0];
for (c=0; c<drc_instructions_uni_drc->audio_num_chan; c++)
{
drc_instructions_uni_drc->channel_group_of_ch[c] = (idx >= 0) ? 0 : -1;
}
}
for (g=0; g<drc_instructions_uni_drc->num_drc_ch_groups; g++) {
drc_instructions_uni_drc->num_chan_per_ch_group[g] = 0;
for (c=0; c<drc_instructions_uni_drc->audio_num_chan; c++) {
if (drc_instructions_uni_drc->channel_group_of_ch[c] == g) {
drc_instructions_uni_drc->num_chan_per_ch_group[g]++;
}
}
}
if (drc_instructions_uni_drc->drc_set_effect & (EFFECT_BIT_DUCK_OTHER | EFFECT_BIT_DUCK_SELF)) {
drc_instructions_uni_drc->multiband_audio_sig_count = drc_instructions_uni_drc->audio_num_chan;
} else {
drc_instructions_uni_drc->multiband_audio_sig_count = 0;
for (c=0; c<drc_instructions_uni_drc->audio_num_chan; c++) {
g = drc_instructions_uni_drc->channel_group_of_ch[c];
if (g < 0) {
drc_instructions_uni_drc->multiband_audio_sig_count++;
} else {
drc_instructions_uni_drc->multiband_audio_sig_count += drc_instructions_uni_drc->band_count_of_ch_group[g];
}
}
}
for (g=0; g<drc_instructions_uni_drc->num_drc_ch_groups; g++)
{
if (g==0) {
drc_instructions_uni_drc->parametric_drc_look_ahead_samples_max = 0;
}
if (drc_instructions_uni_drc->ch_group_parametric_drc_flag[g] == 0) {
if (drc_instructions_uni_drc->band_count_of_ch_group[g] > 1)
{
if (ia_drc_params_struct->multiband_sel_drc_idx != -1)
{
return (UNEXPECTED_ERROR);
}
selected_drc_is_multiband = 1;
}
} else {
WORD32 gain_set_index = drc_instructions_uni_drc->gain_set_idx_of_ch_group_parametric_drc[g];
WORD32 parametric_drc_id = drc_config->str_drc_config_ext.str_drc_coeff_param_drc.str_parametric_drc_gain_set_params[gain_set_index].parametric_drc_id;
WORD32 parametric_drc_look_ahead_samples = 0;
ia_parametric_drc_instructions_struct* str_parametric_drc_instructions;
for(i=0; i<drc_config->str_drc_config_ext.parametric_drc_instructions_count; i++)
{
if (parametric_drc_id == drc_config->str_drc_config_ext.str_parametric_drc_instructions[i].parametric_drc_id) break;
}
if (i == drc_config->str_drc_config_ext.parametric_drc_instructions_count)
{
return (UNEXPECTED_ERROR);
}
str_parametric_drc_instructions = &drc_config->str_drc_config_ext.str_parametric_drc_instructions[i];
p_parametric_drc_params->parametric_drc_idx[p_parametric_drc_params->parametric_drc_instance_count] = i;
p_parametric_drc_params->gain_set_index[p_parametric_drc_params->parametric_drc_instance_count] = gain_set_index;
if (drc_instructions_uni_drc->drc_apply_to_dwnmix == 0) {
p_parametric_drc_params->dwnmix_id_from_drc_instructions[p_parametric_drc_params->parametric_drc_instance_count] = ID_FOR_BASE_LAYOUT;
} else {
if (drc_instructions_uni_drc->dwnmix_id_count > 1) {
p_parametric_drc_params->dwnmix_id_from_drc_instructions[p_parametric_drc_params->parametric_drc_instance_count] = ID_FOR_ANY_DOWNMIX;
} else {
p_parametric_drc_params->dwnmix_id_from_drc_instructions[p_parametric_drc_params->parametric_drc_instance_count] = drc_instructions_uni_drc->downmix_id[0];
}
}
p_parametric_drc_params->audio_num_chan = channel_count;
for (i=0; i<p_parametric_drc_params->audio_num_chan;i++) {
if (drc_instructions_uni_drc->channel_group_of_ch[i] == g) {
p_parametric_drc_params->channel_map[p_parametric_drc_params->parametric_drc_instance_count][i] = 1;
} else {
p_parametric_drc_params->channel_map[p_parametric_drc_params->parametric_drc_instance_count][i] = 0;
}
}
drc_instructions_uni_drc->parametric_drc_look_ahead_samples[g] = 0;
if (str_parametric_drc_instructions->parametric_drc_look_ahead_flag) {
parametric_drc_look_ahead_samples = (WORD32)((FLOAT32)str_parametric_drc_instructions->parametric_drc_look_ahead*(FLOAT32)p_parametric_drc_params->sampling_rate*0.001f);
} else {
if (str_parametric_drc_instructions->parametric_drc_type == PARAM_DRC_TYPE_FF)
{
parametric_drc_look_ahead_samples = (WORD32)(10.0f*(FLOAT32)p_parametric_drc_params->sampling_rate*0.001f);
}
else if (str_parametric_drc_instructions->parametric_drc_type == PARAM_DRC_TYPE_LIM)
{
parametric_drc_look_ahead_samples = (WORD32)(5.0f*(FLOAT32)p_parametric_drc_params->sampling_rate*0.001f);
} else
{
return (UNEXPECTED_ERROR);
}
}
drc_instructions_uni_drc->parametric_drc_look_ahead_samples[g] = parametric_drc_look_ahead_samples;
if (drc_instructions_uni_drc->parametric_drc_look_ahead_samples_max < drc_instructions_uni_drc->parametric_drc_look_ahead_samples[g])
{
drc_instructions_uni_drc->parametric_drc_look_ahead_samples_max = drc_instructions_uni_drc->parametric_drc_look_ahead_samples[g];
}
p_parametric_drc_params->parametric_drc_instance_count += 1;
selected_drc_is_multiband = 0;
}
}
ia_drc_params_struct->parametric_drc_delay += drc_instructions_uni_drc->parametric_drc_look_ahead_samples_max;
if (selected_drc_is_multiband == 1)
{
ia_drc_params_struct->multiband_sel_drc_idx = ia_drc_params_struct->drc_set_counter;
err = impd_init_all_filter_banks(drc_coefficients_uni_drc,
&(drc_config->str_drc_instruction_str[drc_instructions_selected]),
ia_filter_banks_struct);
if (err)
return (err);
err = impd_init_overlap_weight (drc_coefficients_uni_drc,
&(drc_config->str_drc_instruction_str[drc_instructions_selected]),
ia_drc_params_struct->sub_band_domain_mode,
pstr_overlap_params);
if (err)
return (err);
}
else
{
ia_gain_modifiers_struct* gain_modifiers = drc_config->str_drc_instruction_str->str_gain_modifiers_of_ch_group;
for (g=0; g<drc_instructions_uni_drc->num_drc_ch_groups; g++)
{
if (gain_modifiers[g].shape_filter_flag == 1)
{
impd_shape_filt_block_init(&drc_coefficients_uni_drc->str_shape_filter_block_params[gain_modifiers[g].shape_filter_idx],
&shape_filter_block[g]);
}
else
{
shape_filter_block[g].shape_flter_block_flag = 0;
}
}
}
ia_drc_params_struct->drc_set_counter++;
return (0);
}