65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/*
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* Copyright (c) 2025 Lynne <dev@lynne.ee>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_AAC_AACDEC_USAC_MPS212_H
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#define AVCODEC_AAC_AACDEC_USAC_MPS212_H
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#include <stdbool.h>
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#include "libavcodec/get_bits.h"
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#include "libavcodec/aac.h"
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enum AACMPSDataType {
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MPS_CLD = 0,
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MPS_ICC,
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MPS_IPD,
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MPS_ELE_NB,
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};
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typedef struct AACMPSLosslessData {
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int16_t data[MPS_MAX_PARAM_SETS][MPS_MAX_PARAM_BANDS];
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int16_t last_data[MPS_MAX_PARAM_BANDS];
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int16_t data_mode[MPS_MAX_PARAM_SETS];
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bool coarse_quant[MPS_MAX_PARAM_SETS];
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int16_t freq_res[MPS_MAX_PARAM_SETS];
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int16_t coarse_quant_no[MPS_MAX_PARAM_SETS];
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bool quant_coarse_prev;
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} AACMPSLosslessData;
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int ff_aac_ec_data_dec(GetBitContext *gb, AACMPSLosslessData *ld,
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enum AACMPSDataType data_type,
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int default_val,
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int start_band, int end_band, int frame_indep_flag,
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int indep_flag, int nb_param_sets);
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int ff_aac_map_index_data(AACMPSLosslessData *ld,
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enum AACMPSDataType data_type,
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int dst_idx[MPS_MAX_PARAM_SETS][MPS_MAX_PARAM_BANDS],
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int default_value, int start_band, int stop_band,
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int nb_param_sets, const int *param_set_idx,
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int extend_frame);
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int ff_aac_huff_dec_reshape(GetBitContext *gb, int16_t *out_data,
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int nb_val);
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#endif /* AVCODEC_AAC_AACDEC_USAC_MPS212_H */
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