b2e7201907
* Removed BUILD_ARM64 macro dependency * Code refactoring * Minor bug fixes Co-authored-by: Divya B M <100655@ittiam.com>
129 lines
6 KiB
C
129 lines
6 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 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 "ixheaac_type_def.h"
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#include "ixheaac_constants.h"
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#include "ixheaac_error_standards.h"
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#include "ixheaace_error_codes.h"
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#include "ixheaac_basic_ops32.h"
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#include "ixheaac_basic_ops40.h"
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#include "ixheaac_basic_ops.h"
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#include "ixheaace_mps_common_define.h"
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#include "ixheaace_mps_defines.h"
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#include "ixheaace_mps_delay.h"
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#include "ixheaace_mps_common_fix.h"
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VOID ixheaace_mps_212_delay_sub_calculate_buffer_delays(ixheaace_mps_pstr_delay pstr_delay) {
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WORD32 num_encoder_an_delay, num_encoder_win_delay, num_decoder_an_delay, num_decoder_syn_delay,
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num_residual_coder_frame_delay, num_arb_dmx_residual_coder_frame_delay;
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WORD32 temp_delay_1, temp_delay_2, temp_delay_12, temp_delay_3;
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if (pstr_delay->delay_config.b_sac_time_alignment_dynamic_out > 0) {
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pstr_delay->delay_config.n_sac_time_alignment = 0;
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}
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num_encoder_an_delay =
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2 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
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num_decoder_an_delay =
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2 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
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num_decoder_syn_delay =
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1 * pstr_delay->delay_config.num_qmf_len + pstr_delay->delay_config.num_qmf_len / 2;
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num_encoder_win_delay = pstr_delay->delay_config.num_frame_len / 2;
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num_residual_coder_frame_delay = 0;
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num_arb_dmx_residual_coder_frame_delay = 0;
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temp_delay_1 =
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pstr_delay->delay_config.n_arb_dmx_delay - pstr_delay->delay_config.n_surround_delay;
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if (temp_delay_1 >= 0) {
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pstr_delay->num_surround_analysis_buffer = temp_delay_1;
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pstr_delay->num_arb_dmx_analysis_buffer = 0;
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} else {
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pstr_delay->num_surround_analysis_buffer = 0;
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pstr_delay->num_arb_dmx_analysis_buffer = -temp_delay_1;
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}
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temp_delay_1 = num_encoder_win_delay + pstr_delay->delay_config.n_surround_delay +
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pstr_delay->num_surround_analysis_buffer + num_encoder_an_delay;
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temp_delay_2 = num_encoder_win_delay + pstr_delay->delay_config.n_arb_dmx_delay +
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pstr_delay->num_arb_dmx_analysis_buffer + num_encoder_an_delay;
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temp_delay_3 = pstr_delay->delay_config.n_arb_dmx_delay +
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pstr_delay->delay_config.n_limiter_delay +
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pstr_delay->delay_config.num_core_coder_delay +
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pstr_delay->delay_config.n_sac_time_alignment + num_decoder_an_delay;
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temp_delay_12 = MAX(num_residual_coder_frame_delay, num_arb_dmx_residual_coder_frame_delay) *
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pstr_delay->delay_config.num_frame_len;
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temp_delay_12 += pstr_delay->delay_config.num_sac_stream_mux_delay;
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if (temp_delay_1 > temp_delay_2) {
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temp_delay_12 += temp_delay_1;
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} else {
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temp_delay_12 += temp_delay_2;
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}
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if (temp_delay_3 > temp_delay_12) {
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if (pstr_delay->delay_config.b_minimize_delay > 0) {
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pstr_delay->num_bitstream_frame_buffer =
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(temp_delay_3 - temp_delay_12) / pstr_delay->delay_config.num_frame_len;
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pstr_delay->num_output_audio_buffer = 0;
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pstr_delay->num_surround_analysis_buffer +=
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(temp_delay_3 - temp_delay_12 -
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(pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len));
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pstr_delay->num_arb_dmx_analysis_buffer +=
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(temp_delay_3 - temp_delay_12 -
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(pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len));
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} else {
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pstr_delay->num_bitstream_frame_buffer =
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((temp_delay_3 - temp_delay_12) + pstr_delay->delay_config.num_frame_len - 1) /
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pstr_delay->delay_config.num_frame_len;
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pstr_delay->num_output_audio_buffer =
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pstr_delay->num_bitstream_frame_buffer * pstr_delay->delay_config.num_frame_len +
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temp_delay_12 - temp_delay_3;
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}
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} else {
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pstr_delay->num_bitstream_frame_buffer = 0;
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pstr_delay->num_output_audio_buffer = temp_delay_12 - temp_delay_3;
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}
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if (pstr_delay->delay_config.b_dmx_align > 0) {
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WORD32 temp_delay =
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pstr_delay->delay_config.n_arb_dmx_delay + pstr_delay->num_output_audio_buffer +
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pstr_delay->delay_config.n_limiter_delay + pstr_delay->delay_config.num_core_coder_delay;
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pstr_delay->num_discard_out_frames =
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(temp_delay + pstr_delay->delay_config.num_frame_len - 1) /
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pstr_delay->delay_config.num_frame_len;
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pstr_delay->num_dmx_align_buffer =
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pstr_delay->num_discard_out_frames * pstr_delay->delay_config.num_frame_len - temp_delay;
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} else {
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pstr_delay->num_discard_out_frames = 0;
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pstr_delay->num_dmx_align_buffer = 0;
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}
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pstr_delay->num_info_dmx_delay = pstr_delay->delay_config.n_arb_dmx_delay +
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pstr_delay->num_output_audio_buffer +
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pstr_delay->delay_config.n_limiter_delay;
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pstr_delay->num_info_codec_delay = pstr_delay->num_info_dmx_delay +
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pstr_delay->delay_config.num_core_coder_delay +
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pstr_delay->delay_config.n_sac_time_alignment +
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num_decoder_an_delay + num_decoder_syn_delay;
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pstr_delay->num_info_decoder_delay = num_decoder_an_delay + num_decoder_syn_delay;
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pstr_delay->num_bitstream_frame_buffer_size = pstr_delay->num_bitstream_frame_buffer + 1;
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}
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