368 lines
11 KiB
C
368 lines
11 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 <string.h>
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#include "ixheaacd_sbr_common.h"
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#include "ixheaacd_type_def.h"
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#include "ixheaacd_constants.h"
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#include "ixheaacd_basic_ops32.h"
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#include "ixheaacd_basic_ops16.h"
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#include "ixheaacd_basic_ops40.h"
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#include "ixheaacd_bitbuffer.h"
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#include "ixheaacd_defines.h"
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#include "ixheaacd_aac_rom.h"
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#include "ixheaacd_pulsedata.h"
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#include "ixheaacd_pns.h"
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#include "ixheaacd_drc_data_struct.h"
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#include "ixheaacd_lt_predict.h"
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#include "ixheaacd_channelinfo.h"
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#include "ixheaacd_drc_dec.h"
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#include "ixheaacd_sbrdecoder.h"
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#include "ixheaacd_audioobjtypes.h"
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#include "ixheaacd_sbrdecsettings.h"
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#include "ixheaacd_memory_standards.h"
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#include "ixheaacd_error_codes.h"
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#include "ixheaacd_defines.h"
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#include "ixheaacd_sbr_scale.h"
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#include "ixheaacd_lpp_tran.h"
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#include "ixheaacd_env_extr_part.h"
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#include "ixheaacd_sbr_rom.h"
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#include "ixheaacd_hybrid.h"
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#include "ixheaacd_ps_dec.h"
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#include "ixheaacd_ps_bitdec.h"
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#include "ixheaacd_pulsedata.h"
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#include "ixheaacd_pns.h"
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#include "ixheaacd_channelinfo.h"
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#include "ixheaacd_env_extr.h"
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#include "ixheaacd_common_rom.h"
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#include "ixheaacd_block.h"
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#include "ixheaacd_channel.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_mps_polyphase.h"
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#include "ixheaacd_config.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_headerdecode.h"
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#include "ixheaacd_multichannel.h"
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#include "ixheaacd_basic_op.h"
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#include "ixheaacd_intrinsics.h"
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static PLATFORM_INLINE UWORD32
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ixheaacd_aac_showbits_7(ia_bit_buf_struct *it_bit_buff) {
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UWORD8 *v = it_bit_buff->ptr_read_next;
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UWORD32 b = 0;
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UWORD32 x;
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b = ((WORD32)v[0] << 8);
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if (it_bit_buff->bit_pos < 6) {
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b |= (WORD32)(v[1]);
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}
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x = (UWORD32)b << (15 + 8 - it_bit_buff->bit_pos);
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x = (UWORD32)x >> (25);
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return x;
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}
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WORD ixheaacd_get_channel_mask(
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ia_exhaacplus_dec_api_struct *p_obj_enhaacplus_dec) {
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WORD ixheaacd_drc_offset = 0, channel_mask = 0;
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WORD flag1 = 0, flag2 = 0;
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WORD ch_idx;
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WORD *ptr_slot_element = p_obj_enhaacplus_dec->aac_config.slot_element;
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WORD *ptr_element_type = p_obj_enhaacplus_dec->aac_config.element_type;
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memset(ptr_slot_element, 0, sizeof(WORD) * MAX_BS_ELEMENT);
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for (ch_idx = 0; ch_idx < MAX_BS_ELEMENT; ch_idx++) {
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if (ptr_element_type[ch_idx] == 1) {
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channel_mask += 0x3;
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ptr_slot_element[ch_idx] = ixheaacd_drc_offset;
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ixheaacd_drc_offset += 2;
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flag1 = ch_idx + 1;
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break;
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}
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}
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for (ch_idx = 0; ch_idx < MAX_BS_ELEMENT; ch_idx++) {
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if (ptr_element_type[ch_idx] == 0) {
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channel_mask += 0x4;
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ptr_slot_element[ch_idx] = ixheaacd_drc_offset;
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ixheaacd_drc_offset += 1;
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flag2 = ch_idx + 1;
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break;
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}
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}
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for (ch_idx = 0; ch_idx < MAX_BS_ELEMENT; ch_idx++) {
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if (ptr_element_type[ch_idx] == 3) {
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channel_mask += 0x8;
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ptr_slot_element[ch_idx] = ixheaacd_drc_offset;
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ixheaacd_drc_offset += 1;
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break;
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}
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}
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for (ch_idx = flag1; ch_idx < MAX_BS_ELEMENT; ch_idx++) {
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if (ptr_element_type[ch_idx] == 1) {
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channel_mask += 0x30;
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ptr_slot_element[ch_idx] = ixheaacd_drc_offset;
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ixheaacd_drc_offset += 2;
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flag1 = ch_idx + 1;
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break;
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}
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}
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for (ch_idx = flag2; ch_idx < MAX_BS_ELEMENT; ch_idx++) {
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if (ptr_element_type[ch_idx] == 0) {
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channel_mask += 0x100;
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ptr_slot_element[ch_idx] = ixheaacd_drc_offset;
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ixheaacd_drc_offset += 1;
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break;
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}
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}
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for (ch_idx = flag1; ch_idx < MAX_BS_ELEMENT; ch_idx++) {
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if (ptr_element_type[ch_idx] == 1) {
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{
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channel_mask += (0x40 + 0x80);
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ptr_slot_element[ch_idx] = ixheaacd_drc_offset;
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ixheaacd_drc_offset += 2;
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break;
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}
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}
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}
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return channel_mask;
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}
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VOID ixheaacd_read_data_stream_element(ia_bit_buf_struct *it_bit_buff,
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WORD32 *byte_align_bits,
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ia_drc_dec_struct *drc_handle) {
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ia_bit_buf_struct temp_bs = {0};
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WORD32 count = ixheaacd_read_bits_buf(it_bit_buff, 13);
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WORD32 cnt = (count & 0xff);
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WORD32 start_pos = 0;
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if (cnt == 255) {
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cnt += ixheaacd_read_bits_buf(it_bit_buff, 8);
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}
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if ((count & 0x0100) >> 8) {
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ixheaacd_byte_align(it_bit_buff, byte_align_bits);
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}
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{
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memcpy(&temp_bs, it_bit_buff, sizeof(ia_bit_buf_struct));
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start_pos = temp_bs.cnt_bits;
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if (ixheaacd_read_bits_buf(&temp_bs, 8) == DVB_ANC_DATA_SYNC_BYTE) {
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int dmx_level_present, compression_present;
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int coarse_gain_present, fine_grain_present;
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ixheaacd_read_bits_buf(&temp_bs, 8);
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ixheaacd_read_bits_buf(&temp_bs, 3);
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dmx_level_present = ixheaacd_read_bits_buf(&temp_bs, 1);
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ixheaacd_read_bits_buf(&temp_bs, 1);
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compression_present = ixheaacd_read_bits_buf(&temp_bs, 1);
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coarse_gain_present = ixheaacd_read_bits_buf(&temp_bs, 1);
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fine_grain_present = ixheaacd_read_bits_buf(&temp_bs, 1);
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if (dmx_level_present) ixheaacd_read_bits_buf(&temp_bs, 8);
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if (compression_present) ixheaacd_read_bits_buf(&temp_bs, 16);
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if (coarse_gain_present) ixheaacd_read_bits_buf(&temp_bs, 16);
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if (fine_grain_present) ixheaacd_read_bits_buf(&temp_bs, 16);
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if (!drc_handle->dvb_anc_data_present && temp_bs.cnt_bits >= 0) {
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drc_handle->dvb_anc_data_pos = start_pos;
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drc_handle->dvb_anc_data_present = 1;
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}
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}
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}
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if (it_bit_buff->cnt_bits < (cnt << 3)) {
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longjmp(*(it_bit_buff->xaac_jmp_buf),
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IA_ENHAACPLUS_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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}
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it_bit_buff->ptr_read_next += cnt;
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it_bit_buff->cnt_bits -= ((cnt) << 3);
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}
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VOID ixheaacd_read_fill_element(ia_bit_buf_struct *it_bit_buff,
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ia_drc_dec_struct *drc_dummy,
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ia_drc_dec_struct *ptr_drc_dec) {
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WORD32 count;
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count = ixheaacd_read_bits_buf(it_bit_buff, 4);
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if ((count - 15) == 0) {
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count = ixheaacd_read_bits_buf(it_bit_buff, 8);
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count = (count + 14);
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}
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if (count > 0) {
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WORD32 extension_type;
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extension_type = ixheaacd_read_bits_buf(it_bit_buff, 4);
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if (extension_type == EXT_DYNAMIC_RANGE) {
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ptr_drc_dec->drc_element_found = 1;
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count -=
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ixheaacd_dec_drc_read_element(ptr_drc_dec, drc_dummy, it_bit_buff);
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} else {
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ixheaacd_read_bits_buf(it_bit_buff, 4);
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if (it_bit_buff->cnt_bits < ((count - 1) << 3)) {
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longjmp(*(it_bit_buff->xaac_jmp_buf),
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IA_ENHAACPLUS_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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}
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it_bit_buff->ptr_read_next += count - 1;
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it_bit_buff->cnt_bits -= ((count - 1) << 3);
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}
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}
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}
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WORD32 ixheaacd_get_element_index_tag(
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ia_exhaacplus_dec_api_struct *p_obj_enhaacplus_dec, WORD ch_idx1,
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WORD *ch_idx, WORD *channel, WORD *ele_idx_order, WORD total_elements,
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WORD8 *element_used, WORD total_channels, ia_drc_dec_struct *pstr_drc_dec,
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ia_drc_dec_struct *drc_dummy) {
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WORD element_tag, j;
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ia_aac_dec_state_struct *p_state_enhaacplus_dec =
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p_obj_enhaacplus_dec->p_state_aac;
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ia_bit_buf_struct *it_bit_buff = p_state_enhaacplus_dec->ptr_bit_stream;
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WORD element_idx;
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WORD element_type;
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ia_aac_decoder_struct *aac_dec_handle =
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p_state_enhaacplus_dec->pstr_aac_dec_info[ch_idx1];
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*ch_idx = ch_idx1;
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if (p_state_enhaacplus_dec->bs_format != LOAS_BSFORMAT) {
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if (ch_idx1 == 0) {
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ixheaacd_byte_align(it_bit_buff, &aac_dec_handle->byte_align_bits);
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}
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}
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{
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if (ch_idx1 == 0) {
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aac_dec_handle->byte_align_bits = it_bit_buff->cnt_bits;
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}
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}
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if (it_bit_buff->cnt_bits < 3) {
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it_bit_buff->cnt_bits = -1;
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return (WORD16)(
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(WORD32)IA_ENHAACPLUS_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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}
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element_tag = (WORD)ixheaacd_read_bits_buf(it_bit_buff, 7);
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ixheaacd_read_bidirection(it_bit_buff, -7);
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element_idx = (element_tag & 0xF);
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element_type = (element_tag >> 4) & 0x7;
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p_obj_enhaacplus_dec->aac_config.str_prog_config.alignment_bits =
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it_bit_buff->bit_pos;
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while (element_type == 4 || element_type == 5 || element_type == 6) {
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WORD type = (WORD)ixheaacd_read_bits_buf(it_bit_buff, 3);
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if (it_bit_buff->cnt_bits < 3) {
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it_bit_buff->cnt_bits = -1;
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return (WORD16)(
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(WORD32)IA_ENHAACPLUS_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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}
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if (type == 4) {
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ixheaacd_read_data_stream_element(
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it_bit_buff, &aac_dec_handle->byte_align_bits, pstr_drc_dec);
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}
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if (type == 5) {
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WORD32 error_code = 0;
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error_code = ixheaacd_decode_pce(
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it_bit_buff, &p_obj_enhaacplus_dec->aac_config.ui_pce_found_in_hdr,
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&p_obj_enhaacplus_dec->aac_config.str_prog_config);
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if (error_code != 0) {
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if (error_code < 0) return error_code;
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return IA_ENHAACPLUS_DEC_EXE_NONFATAL_DECODE_FRAME_ERROR;
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}
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}
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if (type == 6) {
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ixheaacd_read_fill_element(it_bit_buff, drc_dummy, pstr_drc_dec);
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}
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if (it_bit_buff->cnt_bits < 7) {
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it_bit_buff->cnt_bits = -1;
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return (WORD16)(
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(WORD32)IA_ENHAACPLUS_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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}
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element_tag = (WORD)ixheaacd_aac_showbits_7(it_bit_buff);
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element_idx = (element_tag & 0xF);
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element_type = (element_tag >> 4) & 0x7;
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}
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if (total_elements == 2 && total_channels == 2 &&
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p_state_enhaacplus_dec->p_config->ui_pce_found_in_hdr == 2 &&
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ch_idx1 == 0) {
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ixheaacd_fill_prog_config_slots(p_state_enhaacplus_dec);
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}
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*channel = 1;
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if (element_type == 1) {
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*channel = 2;
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}
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for (j = 0; j < total_elements; j++) {
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if (p_obj_enhaacplus_dec->aac_config.element_type[j] == element_type &&
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(element_idx == ele_idx_order[j]) && (element_used[j] == 0)) {
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*ch_idx = j;
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element_used[j] = 1;
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break;
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}
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}
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if (j == total_elements) {
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if (it_bit_buff->cnt_bits < 0) {
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return (WORD16)(
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(WORD32)IA_ENHAACPLUS_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES);
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}
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ixheaacd_read_bidirection(
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it_bit_buff, (WORD16)(it_bit_buff->cnt_bits - it_bit_buff->size));
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return IA_ENHAACPLUS_DEC_EXE_NONFATAL_ELE_INSTANCE_TAG_NOT_FOUND;
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} else
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return 0;
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}
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