657 lines
24 KiB
C
657 lines
24 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "ixheaacd_type_def.h"
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#include "ixheaacd_error_standards.h"
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#include "ixheaacd_memory_standards.h"
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#include "ixheaacd_sbrdecsettings.h"
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#include "ixheaacd_sbr_scale.h"
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#include "ixheaacd_env_extr_part.h"
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#include "ixheaacd_defines.h"
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#include "ixheaacd_aac_rom.h"
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#include "ixheaacd_common_rom.h"
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#include "ixheaacd_sbr_rom.h"
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#include "ixheaacd_bitbuffer.h"
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#include "ixheaacd_pulsedata.h"
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#include "ixheaacd_pns.h"
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#include "ixheaacd_interface.h"
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#include "ixheaacd_info.h"
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#include "ixheaacd_lt_predict.h"
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#include "ixheaacd_cnst.h"
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#include "ixheaacd_ec_defines.h"
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#include "ixheaacd_ec_struct_def.h"
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#include "ixheaacd_channelinfo.h"
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#include "ixheaacd_sbr_common.h"
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#include "ixheaacd_drc_data_struct.h"
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#include "ixheaacd_drc_dec.h"
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#include "ixheaacd_channel.h"
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#include "ixheaacd_sbrdecoder.h"
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#include "ixheaacd_audioobjtypes.h"
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#include "ixheaacd_latmdemux.h"
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#include "ixheaacd_aacdec.h"
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#include "ixheaacd_sbr_common.h"
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#include "ixheaacd_hybrid.h"
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#include "ixheaacd_ps_dec.h"
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#include "ixheaacd_mps_polyphase.h"
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#include "ixheaacd_config.h"
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#include "ixheaacd_qmf_dec.h"
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#include "ixheaacd_mps_macro_def.h"
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#include "ixheaacd_mps_struct_def.h"
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#include "ixheaacd_mps_res_rom.h"
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#include "ixheaacd_mps_aac_struct.h"
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#include "ixheaacd_constants.h"
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#include "ixheaacd_mps_dec.h"
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#include "ixheaacd_struct_def.h"
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#include "ixheaacd_bitbuffer.h"
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#include "ixheaacd_interface.h"
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#include "ixheaacd_tns_usac.h"
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#include "ixheaacd_acelp_info.h"
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#include "ixheaacd_sbrdecsettings.h"
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#include "ixheaacd_info.h"
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#include "ixheaacd_sbrdecoder.h"
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#include "ixheaacd_mps_polyphase.h"
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#include "ixheaacd_sbr_const.h"
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#include "ixheaacd_main.h"
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#include "ixheaacd_arith_dec.h"
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#include "ixheaacd_config.h"
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#include "ixheaacd_struct.h"
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#include "ixheaacd_create.h"
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#include "ixheaacd_dec_main.h"
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#include "ixheaacd_error_standards.h"
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#include "ixheaacd_headerdecode.h"
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#include "ixheaacd_error_codes.h"
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VOID ixheaacd_samples_sat(WORD8 *outbuffer, WORD32 num_samples_out,
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WORD32 pcmsize, FLOAT32 (*out_samples)[4096],
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WORD32 *out_bytes, WORD32 num_channel_out) {
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WORD32 num;
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WORD32 i;
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WORD32 write_local;
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FLOAT32 write_local_float;
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WORD16 *out_buf = (WORD16 *)outbuffer;
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num = num_channel_out * num_samples_out;
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if (pcmsize == 16) {
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for (i = 0; i < num; i++) {
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write_local_float =
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(out_samples[i % num_channel_out][i / num_channel_out]);
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if (write_local_float > 32767.0f) {
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write_local_float = 32767.0f;
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} else if (write_local_float < -32768.0f) {
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write_local_float = -32768.0f;
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}
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out_buf[i] = (WORD16)write_local_float;
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}
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*out_bytes = num * sizeof(WORD16);
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} else {
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WORD8 *out_24bit = (WORD8 *)out_buf;
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for (i = 0; i < num; i++) {
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write_local_float =
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(out_samples[i % num_channel_out][i / num_channel_out] * 256);
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if (write_local_float > 8388607.0f) {
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write_local_float = 8388607.0f;
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} else if (write_local_float < -8388608.0f) {
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write_local_float = -8388608.0f;
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}
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write_local = (WORD32)write_local_float;
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*out_24bit++ = (WORD32)write_local & 0xff;
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*out_24bit++ = ((WORD32)write_local >> 8) & 0xff;
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*out_24bit++ = ((WORD32)write_local >> 16) & 0xff;
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}
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*out_bytes = num * 3 * sizeof(WORD8);
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}
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}
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VOID ixheaacd_samples_sat_mc(WORD8* outbuffer, WORD32 num_samples_out,
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FLOAT32(*out_samples)[4096], WORD32* out_bytes,
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WORD32 num_channel_out, WORD32 ch_fac) {
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WORD32 num;
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WORD32 i;
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FLOAT32 write_local_float;
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WORD16* out_buf = (WORD16*)outbuffer;
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num = num_channel_out * num_samples_out;
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if (num_channel_out == 1) {
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for (i = 0; i < num; i++) {
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write_local_float =
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(out_samples[i % num_channel_out][i / num_channel_out]);
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if (write_local_float > 32767.0f) {
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write_local_float = 32767.0f;
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} else if (write_local_float < -32768.0f) {
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write_local_float = -32768.0f;
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}
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out_buf[i * ch_fac] = (WORD16)write_local_float;
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}
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} else if (num_channel_out == 2) {
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for (i = 0; i < num_samples_out; i++) {
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write_local_float =
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(out_samples[(2*i) % num_channel_out][(2 * i) / num_channel_out]);
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if (write_local_float > 32767.0f) {
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write_local_float = 32767.0f;
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} else if (write_local_float < -32768.0f) {
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write_local_float = -32768.0f;
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}
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out_buf[i * ch_fac] = (WORD16)write_local_float;
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write_local_float =
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(out_samples[((2 * i) + 1) % num_channel_out][((2 * i) + 1) / num_channel_out]);
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if (write_local_float > 32767.0f) {
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write_local_float = 32767.0f;
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} else if (write_local_float < -32768.0f) {
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write_local_float = -32768.0f;
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}
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out_buf[i * ch_fac + 1] = (WORD16)write_local_float;
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}
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}
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*out_bytes = num * sizeof(WORD16);
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}
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/* audio pre roll frame parsing*/
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static WORD32 ixheaacd_audio_preroll_parsing(
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ia_dec_data_struct *pstr_dec_data, UWORD8 *conf_buf, WORD32 *preroll_units,
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WORD32 *preroll_frame_offset, ia_aac_dec_state_struct *aac_dec_handle,
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WORD32 *config_changed, WORD32 *apply_crossfade) {
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ia_bit_buf_struct *temp_buff =
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(ia_bit_buf_struct *)&(pstr_dec_data->dec_bit_buf);
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WORD32 ext_ele_present = 0;
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WORD32 ext_ele_use_dflt_len = 0;
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WORD32 ext_ele_payload_len = 0;
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WORD32 num_pre_roll_frames = 0;
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WORD32 frame_idx = 0;
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WORD32 temp = 0;
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WORD32 config_len = 0;
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WORD32 loop;
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if (pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config
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.str_usac_dec_config.usac_element_type[0] == ID_USAC_EXT) {
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temp = ixheaacd_show_bits_buf(temp_buff, 3);
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ext_ele_present = (temp >> 1) & 0x1;
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if (ext_ele_present) {
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ext_ele_use_dflt_len = temp & 0x1;
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if (ext_ele_use_dflt_len != 0) return 0;
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ixheaacd_read_bits_buf(temp_buff, 3);
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ext_ele_payload_len = ixheaacd_read_bits_buf(temp_buff, 8);
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if (ext_ele_payload_len == 255) {
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WORD32 val_add = 0;
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val_add = ixheaacd_read_bits_buf(temp_buff, 16);
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ext_ele_payload_len =
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(UWORD32)((WORD32)ext_ele_payload_len + val_add - 2);
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}
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config_len = ixheaacd_read_bits_buf(temp_buff, 4);
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if (config_len == 15) {
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WORD32 val_add = 0;
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val_add = ixheaacd_read_bits_buf(temp_buff, 4);
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config_len += val_add;
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if (val_add == 15) {
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WORD32 val_add1 = 0;
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val_add1 = ixheaacd_read_bits_buf(temp_buff, 8);
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config_len += val_add1;
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}
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}
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for (loop = 0; loop < config_len; loop++)
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conf_buf[loop] = ixheaacd_read_bits_buf(temp_buff, 8);
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if (aac_dec_handle->preroll_config_present == 1) {
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if (!(memcmp(aac_dec_handle->preroll_config_prev, conf_buf,
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sizeof(UWORD8) * config_len))) {
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config_len = 0;
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}
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if (memcmp(aac_dec_handle->preroll_config_prev, conf_buf,
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sizeof(UWORD8) * config_len) != 0) {
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*config_changed = 1;
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} else {
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*config_changed = 0;
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}
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}
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aac_dec_handle->preroll_config_present = 1;
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memcpy(aac_dec_handle->preroll_config_prev, conf_buf,
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sizeof(UWORD8) * config_len);
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*apply_crossfade = ixheaacd_read_bits_buf(temp_buff, 1);
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ixheaacd_read_bits_buf(temp_buff, 1);
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num_pre_roll_frames = ixheaacd_read_bits_buf(temp_buff, 2);
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if (num_pre_roll_frames == 3) {
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WORD32 val_add = 0;
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val_add = ixheaacd_read_bits_buf(temp_buff, 4);
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num_pre_roll_frames += val_add;
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}
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if (num_pre_roll_frames > MAX_AUDIO_PREROLLS) {
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if (pstr_dec_data->str_usac_data.ec_flag) {
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num_pre_roll_frames = 0;
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longjmp(*(pstr_dec_data->xaac_jmp_buf),
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IA_XHEAAC_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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} else {
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return IA_FATAL_ERROR;
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}
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}
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for (frame_idx = 0; frame_idx < num_pre_roll_frames; frame_idx++) {
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WORD32 au_len = 0;
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au_len = ixheaacd_read_bits_buf(temp_buff, 16);
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if (au_len == 65535) {
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WORD32 val_add = ixheaacd_read_bits_buf(temp_buff, 16);
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au_len += val_add;
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}
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if (config_len != 0) {
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preroll_frame_offset[frame_idx] =
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temp_buff->size - temp_buff->cnt_bits;
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}
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temp_buff->ptr_read_next += au_len;
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temp_buff->cnt_bits -= au_len * 8;
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if (temp_buff->cnt_bits < 0) {
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if (pstr_dec_data->str_usac_data.ec_flag) {
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temp_buff->cnt_bits = 0;
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longjmp(*(pstr_dec_data->xaac_jmp_buf),
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IA_XHEAAC_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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} else {
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return IA_FATAL_ERROR;
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}
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}
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}
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}
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}
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if (config_len == 0)
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*preroll_units = 0;
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else
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*preroll_units = num_pre_roll_frames;
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return config_len;
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}
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WORD32 ixheaacd_dec_main(VOID *temp_handle, WORD8 *inbuffer, WORD8 *outbuffer,
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WORD32 *out_bytes, WORD32 frames_done, WORD32 pcmsize,
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WORD32 *num_channel_out) {
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WORD32 err = 0;
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ia_exhaacplus_dec_api_struct *handle =
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(ia_exhaacplus_dec_api_struct *)temp_handle;
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ia_aac_dec_state_struct *aac_dec_handle = handle->p_state_aac;
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WORD32 tmp;
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ia_audio_specific_config_struct *pstr_audio_specific_config =
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(ia_audio_specific_config_struct *)
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aac_dec_handle->ia_audio_specific_config;
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WORD32 suitable_tracks = 1;
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WORD32 num_samples_out;
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ia_dec_data_struct *pstr_dec_data;
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UWORD8 config[MAX_PREROLL_SIZE];
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WORD32 config_len;
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WORD32 delay;
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WORD preroll_frame_offset[MAX_PREROLL_FRAME_OFFSET] = {0};
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WORD preroll_units = -1;
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WORD32 access_units = 0;
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WORD32 bits_consumed = 0;
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if (frames_done == 0) {
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if ((pstr_audio_specific_config->channel_configuration > 2) ||
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(pstr_audio_specific_config->channel_configuration == 0)) {
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return -1;
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}
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pstr_dec_data = (ia_dec_data_struct *)aac_dec_handle->pstr_dec_data;
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tmp = pstr_audio_specific_config->channel_configuration;
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suitable_tracks =
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ixheaacd_frm_data_init(pstr_audio_specific_config, pstr_dec_data);
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pstr_audio_specific_config->channel_configuration = tmp;
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if (suitable_tracks <= 0) {
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return -1;
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}
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}
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{
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WORD32 tot_out_bytes = 0;
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jmp_buf local;
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pstr_dec_data = (ia_dec_data_struct *)aac_dec_handle->pstr_dec_data;
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pstr_dec_data->str_usac_data.frame_ok = 1;
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pstr_dec_data->str_usac_data.ec_flag = aac_dec_handle->p_config->ui_err_conceal;
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if (pstr_dec_data->str_usac_data.ec_flag) {
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err = setjmp(local);
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}
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if (aac_dec_handle->p_config->ui_err_conceal) {
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if (err == 0) {
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if (pstr_dec_data->dec_bit_buf.cnt_bits) {
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aac_dec_handle->ui_in_bytes += (pstr_dec_data->dec_bit_buf.cnt_bits >> 3);
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if (aac_dec_handle->ui_in_bytes > IA_MAX_INP_BUFFER_SIZE) {
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aac_dec_handle->ui_in_bytes = 0;
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}
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}
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} else {
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pstr_dec_data->str_usac_data.frame_ok = 0;
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}
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}
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if (frames_done == 0) {
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WORD32 delay;
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pstr_dec_data->str_usac_data.first_frame = 1;
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if (aac_dec_handle->decode_create_done == 0) {
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delay = ixheaacd_decode_create(
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handle, pstr_dec_data,
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pstr_dec_data->str_frame_data.scal_out_select + 1);
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if (delay == -1) return -1;
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}
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pstr_dec_data->dec_bit_buf.max_size =
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handle->p_mem_info_aac[IA_MEMTYPE_INPUT].ui_size;
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*num_channel_out = pstr_dec_data->str_frame_data.scal_out_num_channels;
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return 0;
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}
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pstr_dec_data->dec_bit_buf.ptr_bit_buf_base = (UWORD8 *)inbuffer;
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pstr_dec_data->dec_bit_buf.size = aac_dec_handle->ui_in_bytes << 3;
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pstr_dec_data->dec_bit_buf.ptr_bit_buf_end =
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(UWORD8 *)inbuffer + aac_dec_handle->ui_in_bytes - 1;
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pstr_dec_data->dec_bit_buf.ptr_read_next = (UWORD8 *)inbuffer;
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pstr_dec_data->dec_bit_buf.bit_pos = 7;
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pstr_dec_data->dec_bit_buf.cnt_bits = pstr_dec_data->dec_bit_buf.size;
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pstr_dec_data->dec_bit_buf.xaac_jmp_buf = &(aac_dec_handle->xaac_jmp_buf);
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if (pstr_dec_data->str_usac_data.ec_flag) {
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pstr_dec_data->xaac_jmp_buf = &local;
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}
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pstr_dec_data->str_usac_data.usac_flag = aac_dec_handle->usac_flag;
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pstr_dec_data->str_usac_data.esbr_hq = handle->aac_config.ui_hq_esbr;
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pstr_dec_data->str_usac_data.enh_sbr = handle->aac_config.ui_enh_sbr;
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pstr_dec_data->str_usac_data.enh_sbr_ps = handle->aac_config.ui_enh_sbr_ps;
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if (pstr_dec_data->dec_bit_buf.size > pstr_dec_data->dec_bit_buf.max_size)
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pstr_dec_data->dec_bit_buf.max_size = pstr_dec_data->dec_bit_buf.size;
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/* audio pre roll frame parsing*/
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if (aac_dec_handle->bs_format == LOAS_BSFORMAT && pstr_dec_data->str_usac_data.frame_ok) {
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WORD32 sync = ixheaacd_read_bits_buf(&pstr_dec_data->dec_bit_buf, 11);
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if (sync == 0x2b7) {
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WORD32 result = ixheaacd_latm_audio_mux_element(
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&pstr_dec_data->dec_bit_buf, &aac_dec_handle->latm_struct_element,
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aac_dec_handle,
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(ia_sampling_rate_info_struct *)&handle->aac_tables
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.pstr_huffmann_tables->str_sample_rate_info[0]);
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if (result < 0) {
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if (aac_dec_handle->p_config->ui_err_conceal)
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pstr_dec_data->str_usac_data.frame_ok = 0;
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else
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return result;
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}
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}
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bits_consumed = pstr_dec_data->dec_bit_buf.size - pstr_dec_data->dec_bit_buf.cnt_bits;
|
|
}
|
|
|
|
do {
|
|
config_len = 0;
|
|
if (err == 0 || aac_dec_handle->p_config->ui_err_conceal == 0) {
|
|
if (access_units == 0 &&
|
|
pstr_audio_specific_config->str_usac_config.str_usac_dec_config.preroll_flag) {
|
|
config_len = ixheaacd_audio_preroll_parsing(
|
|
pstr_dec_data, &config[0], &preroll_units, &preroll_frame_offset[0], aac_dec_handle,
|
|
&aac_dec_handle->drc_config_changed, &aac_dec_handle->apply_crossfade);
|
|
|
|
if (config_len == IA_FATAL_ERROR) return IA_FATAL_ERROR;
|
|
}
|
|
|
|
if (config_len != 0) {
|
|
ia_bit_buf_struct config_bit_buf = {0};
|
|
|
|
config_bit_buf.ptr_bit_buf_base = config;
|
|
config_bit_buf.size = config_len << 3;
|
|
config_bit_buf.ptr_read_next = config_bit_buf.ptr_bit_buf_base;
|
|
config_bit_buf.ptr_bit_buf_end = (UWORD8 *)config + config_len;
|
|
config_bit_buf.bit_pos = 7;
|
|
config_bit_buf.cnt_bits = config_bit_buf.size;
|
|
if (pstr_dec_data->str_usac_data.ec_flag) {
|
|
config_bit_buf.xaac_jmp_buf = &local;
|
|
} else {
|
|
config_bit_buf.xaac_jmp_buf = &(aac_dec_handle->xaac_jmp_buf);
|
|
}
|
|
|
|
suitable_tracks = ixheaacd_frm_data_init(pstr_audio_specific_config, pstr_dec_data);
|
|
|
|
if (suitable_tracks <= 0) return -1;
|
|
|
|
aac_dec_handle->decode_create_done = 0;
|
|
if (aac_dec_handle->p_config->ui_err_conceal) {
|
|
if (pstr_dec_data->str_usac_data.frame_ok == 1 && err == 0) {
|
|
err = ixheaacd_config(
|
|
&config_bit_buf,
|
|
&(pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config),
|
|
&(pstr_audio_specific_config->channel_configuration),
|
|
aac_dec_handle->p_config->ui_err_conceal);
|
|
if (err != 0) {
|
|
if (frames_done == 0)
|
|
return -1;
|
|
else
|
|
pstr_dec_data->str_usac_data.frame_ok = 0;
|
|
}
|
|
}
|
|
} else {
|
|
err = ixheaacd_config(
|
|
&config_bit_buf,
|
|
&(pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config),
|
|
&(pstr_audio_specific_config->channel_configuration),
|
|
aac_dec_handle->p_config->ui_err_conceal);
|
|
if (err != 0) {
|
|
return err;
|
|
}
|
|
}
|
|
|
|
pstr_dec_data->str_frame_data.str_audio_specific_config.sampling_frequency =
|
|
pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config
|
|
.usac_sampling_frequency;
|
|
delay = ixheaacd_decode_create(handle, pstr_dec_data,
|
|
pstr_dec_data->str_frame_data.scal_out_select + 1);
|
|
if (delay == -1) return -1;
|
|
*num_channel_out = pstr_dec_data->str_frame_data.scal_out_num_channels;
|
|
}
|
|
} else {
|
|
pstr_dec_data->str_usac_data.frame_ok = 0;
|
|
}
|
|
|
|
pstr_dec_data->dec_bit_buf.ptr_bit_buf_base = (UWORD8 *)inbuffer;
|
|
pstr_dec_data->dec_bit_buf.size = aac_dec_handle->ui_in_bytes << 3;
|
|
pstr_dec_data->dec_bit_buf.ptr_bit_buf_end =
|
|
(UWORD8 *)inbuffer + aac_dec_handle->ui_in_bytes - 1;
|
|
pstr_dec_data->dec_bit_buf.ptr_read_next = (UWORD8 *)inbuffer;
|
|
pstr_dec_data->dec_bit_buf.bit_pos = 7;
|
|
pstr_dec_data->dec_bit_buf.cnt_bits = pstr_dec_data->dec_bit_buf.size;
|
|
pstr_dec_data->dec_bit_buf.xaac_jmp_buf = &(aac_dec_handle->xaac_jmp_buf);
|
|
|
|
pstr_dec_data->str_usac_data.usac_flag = aac_dec_handle->usac_flag;
|
|
pstr_dec_data->str_usac_data.esbr_hq = handle->aac_config.ui_hq_esbr;
|
|
pstr_dec_data->str_usac_data.enh_sbr = handle->aac_config.ui_enh_sbr;
|
|
pstr_dec_data->str_usac_data.enh_sbr_ps = handle->aac_config.ui_enh_sbr_ps;
|
|
|
|
if (preroll_frame_offset[access_units] &&
|
|
((pstr_dec_data->str_usac_data.ec_flag && pstr_dec_data->str_usac_data.frame_ok == 1) ||
|
|
pstr_dec_data->str_usac_data.ec_flag == 0)) {
|
|
pstr_dec_data->dec_bit_buf.cnt_bits =
|
|
pstr_dec_data->dec_bit_buf.size -
|
|
preroll_frame_offset[access_units];
|
|
pstr_dec_data->dec_bit_buf.bit_pos =
|
|
7 - preroll_frame_offset[access_units] % 8;
|
|
pstr_dec_data->dec_bit_buf.ptr_read_next =
|
|
pstr_dec_data->dec_bit_buf.ptr_read_next +
|
|
(preroll_frame_offset[access_units] / 8);
|
|
} else {
|
|
pstr_dec_data->dec_bit_buf.cnt_bits =
|
|
pstr_dec_data->dec_bit_buf.size -
|
|
(bits_consumed);
|
|
pstr_dec_data->dec_bit_buf.bit_pos =
|
|
7 - (bits_consumed) % 8;
|
|
pstr_dec_data->dec_bit_buf.ptr_read_next =
|
|
pstr_dec_data->dec_bit_buf.ptr_read_next +
|
|
(bits_consumed / 8);
|
|
}
|
|
|
|
if (pstr_dec_data->str_usac_data.ec_flag) {
|
|
if (!aac_dec_handle->decode_create_done && pstr_dec_data->str_usac_data.frame_ok == 1 &&
|
|
config_len != 0)
|
|
return IA_FATAL_ERROR;
|
|
} else {
|
|
if (!aac_dec_handle->decode_create_done) return IA_FATAL_ERROR;
|
|
}
|
|
|
|
err =
|
|
ixheaacd_usac_process(pstr_dec_data, num_channel_out, aac_dec_handle);
|
|
|
|
switch (pstr_dec_data->str_usac_data.sbr_ratio_idx) {
|
|
case 0:
|
|
handle->aac_config.ui_sbr_mode = 0;
|
|
break;
|
|
case 1:
|
|
handle->aac_config.ui_sbr_mode = 1;
|
|
break;
|
|
case 2:
|
|
handle->aac_config.ui_sbr_mode = 1;
|
|
break;
|
|
case 3:
|
|
handle->aac_config.ui_sbr_mode = 3;
|
|
break;
|
|
|
|
default:
|
|
handle->aac_config.ui_sbr_mode = 0;
|
|
}
|
|
|
|
if (err == -1) return err;
|
|
|
|
num_samples_out = pstr_dec_data->str_usac_data.output_samples;
|
|
if (!handle->aac_config.peak_limiter_off && pstr_dec_data->str_usac_data.ec_flag) {
|
|
aac_dec_handle->peak_limiter.num_channels = *num_channel_out;
|
|
|
|
ixheaacd_peak_limiter_process_float(&aac_dec_handle->peak_limiter,
|
|
pstr_dec_data->str_usac_data.time_sample_vector,
|
|
num_samples_out);
|
|
}
|
|
|
|
ixheaacd_samples_sat((WORD8 *)outbuffer + tot_out_bytes, num_samples_out,
|
|
pcmsize,
|
|
pstr_dec_data->str_usac_data.time_sample_vector,
|
|
out_bytes, *num_channel_out);
|
|
{
|
|
WORD32 preroll_counter =
|
|
pstr_dec_data->str_frame_data.str_audio_specific_config
|
|
.str_usac_config.str_usac_dec_config.preroll_counter;
|
|
|
|
UWORD8 i; // for looping index used for payload calculation
|
|
WORD32 payload_buffer_offset = 0;
|
|
WORD32 copy_bytes =
|
|
pstr_dec_data->str_frame_data.str_audio_specific_config
|
|
.str_usac_config.str_usac_dec_config
|
|
.usac_ext_gain_payload_len[preroll_counter] *
|
|
sizeof(WORD8);
|
|
|
|
pstr_audio_specific_config->str_usac_config.str_usac_dec_config
|
|
.usac_ext_gain_payload_len[preroll_counter] =
|
|
pstr_dec_data->str_frame_data.str_audio_specific_config
|
|
.str_usac_config.str_usac_dec_config
|
|
.usac_ext_gain_payload_len[preroll_counter];
|
|
|
|
for (i = 0; i < preroll_counter; i++)
|
|
payload_buffer_offset +=
|
|
pstr_dec_data->str_frame_data.str_audio_specific_config
|
|
.str_usac_config.str_usac_dec_config
|
|
.usac_ext_gain_payload_len[i] *
|
|
sizeof(WORD8);
|
|
|
|
memcpy(pstr_audio_specific_config->str_usac_config.str_usac_dec_config
|
|
.usac_ext_gain_payload_buf +
|
|
payload_buffer_offset,
|
|
pstr_dec_data->str_frame_data.str_audio_specific_config
|
|
.str_usac_config.str_usac_dec_config
|
|
.usac_ext_gain_payload_buf +
|
|
payload_buffer_offset,
|
|
copy_bytes);
|
|
|
|
pstr_audio_specific_config->str_usac_config.str_usac_dec_config
|
|
.preroll_bytes[preroll_counter] = *out_bytes;
|
|
|
|
preroll_counter++;
|
|
|
|
if (preroll_counter > (MAX_AUDIO_PREROLLS + 1)) return IA_FATAL_ERROR;
|
|
|
|
pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config
|
|
.str_usac_dec_config.preroll_counter = preroll_counter;
|
|
|
|
ia_usac_decoder_config_struct *pstr_usac_dec_config_state =
|
|
&pstr_audio_specific_config->str_usac_config.str_usac_dec_config;
|
|
ia_usac_decoder_config_struct *pstr_usac_dec_config_dec_data =
|
|
&pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config
|
|
.str_usac_dec_config;
|
|
pstr_usac_dec_config_state->num_config_extensions =
|
|
pstr_usac_dec_config_dec_data->num_config_extensions;
|
|
pstr_usac_dec_config_state->num_elements =
|
|
pstr_usac_dec_config_dec_data->num_elements;
|
|
memcpy(pstr_usac_dec_config_state->usac_cfg_ext_info_buf,
|
|
pstr_usac_dec_config_dec_data->usac_cfg_ext_info_buf,
|
|
sizeof(pstr_usac_dec_config_state->usac_cfg_ext_info_buf));
|
|
memcpy(pstr_usac_dec_config_state->usac_ext_ele_payload_present,
|
|
pstr_usac_dec_config_dec_data->usac_ext_ele_payload_present,
|
|
sizeof(pstr_usac_dec_config_dec_data->usac_ext_ele_payload_present));
|
|
memcpy(pstr_usac_dec_config_state->usac_ext_ele_payload_buf,
|
|
pstr_usac_dec_config_dec_data->usac_ext_ele_payload_buf,
|
|
sizeof(pstr_usac_dec_config_state->usac_ext_ele_payload_buf));
|
|
}
|
|
|
|
access_units++;
|
|
preroll_units--;
|
|
tot_out_bytes += (*out_bytes);
|
|
} while (preroll_units >= 0);
|
|
*out_bytes = tot_out_bytes;
|
|
}
|
|
|
|
if (aac_dec_handle->bs_format == LOAS_BSFORMAT) {
|
|
pstr_dec_data->dec_bit_buf.ptr_bit_buf_base = (UWORD8 *)inbuffer;
|
|
pstr_dec_data->dec_bit_buf.size = aac_dec_handle->ui_in_bytes << 3;
|
|
pstr_dec_data->dec_bit_buf.ptr_bit_buf_end =
|
|
(UWORD8 *)inbuffer + aac_dec_handle->ui_in_bytes - 1;
|
|
pstr_dec_data->dec_bit_buf.ptr_read_next = (UWORD8 *)inbuffer;
|
|
pstr_dec_data->dec_bit_buf.bit_pos = 7;
|
|
pstr_dec_data->dec_bit_buf.cnt_bits = pstr_dec_data->dec_bit_buf.size;
|
|
pstr_dec_data->dec_bit_buf.xaac_jmp_buf = &(aac_dec_handle->xaac_jmp_buf);
|
|
|
|
ixheaacd_read_bits_buf(&pstr_dec_data->dec_bit_buf, 11);
|
|
aac_dec_handle->i_bytes_consumed =
|
|
ixheaacd_read_bits_buf(&pstr_dec_data->dec_bit_buf, 13) + 3;
|
|
}
|
|
|
|
return err;
|
|
}
|