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https://github.com/zeldaret/oot
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Tharo
ef329e633a
* [Audio 2/?] Extract audio samples to wav Co-authored-by: zelda2774 <69368340+zelda2774@users.noreply.github.com> * How * Hopefully fix warning I don't get locally * Pad default sample filenames, comment on the vadpcm frame encoder functions, other suggested changes * Small tweaks to above * Remove some obsolete code --------- Co-authored-by: zelda2774 <69368340+zelda2774@users.noreply.github.com>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/**
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* SPDX-FileCopyrightText: Copyright (C) 2024 ZeldaRET
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* SPDX-License-Identifier: CC0-1.0
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*/
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#ifndef CODEC_VADPCM_H
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#define CODEC_VADPCM_H
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#include <stdbool.h>
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#include <stdint.h>
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#define VADPCM_BOOK_SIZE(order, npredictors) (8 * (order) * (npredictors))
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#define VADPCM_BOOK_SIZE_BYTES(order, npredictors) (sizeof(int16_t) * VADPCM_BOOK_SIZE(order, npredictors))
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typedef struct {
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int16_t order;
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int16_t npredictors;
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} ALADPCMbookhead;
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typedef int16_t ALADPCMbookstate[];
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typedef struct {
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uint32_t start;
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uint32_t end;
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uint32_t count;
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int16_t state[16];
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} ALADPCMloop;
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typedef struct {
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unsigned int order;
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unsigned int bits;
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unsigned int refine_iters;
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double thresh;
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unsigned int frame_size;
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} table_design_spec;
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int
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tabledesign_run(int16_t *order_out, int16_t *npredictors_out, int16_t **book_data_out, void *sample_data,
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size_t num_samples, const table_design_spec *design);
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struct container_data;
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struct codec_spec;
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struct enc_dec_opts;
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int
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vadpcm_enc(struct container_data *ctnr, const struct codec_spec *codec, const struct enc_dec_opts *opts);
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int
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vadpcm_dec(struct container_data *ctnr, const struct codec_spec *codec, const struct enc_dec_opts *opts);
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#endif
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