mirror of
https://github.com/zeldaret/oot.git
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d3b9ba17da
* [Audio 4/?] Build Samplebanks, match Audiotable * Fix some makefile formatting * Add missing scope in MARK chunk handling * Add comment to generate asm file when buffer bug data is emitted, remove duplicate CC4 definition * Adjust comment * SBCFLAGS * Remove unnecessary comments on notes_lut * Split build directories creation command into several to avoid it becoming too long * objcopy -j -> --only-section * Fix mkdir warning when extracted/VERSION/assets doesn't exist
552 lines
18 KiB
C
552 lines
18 KiB
C
/**
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* SPDX-FileCopyrightText: Copyright (C) 2024 ZeldaRET
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <assert.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "aifc.h"
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#include "util.h"
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#define CC4_CHECK(buf, str) \
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((buf)[0] == (str)[0] && (buf)[1] == (str)[1] && (buf)[2] == (str)[2] && (buf)[3] == (str)[3])
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#define CC4(c1, c2, c3, c4) (((c1) << 24) | ((c2) << 16) | ((c3) << 8) | (c4))
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#define FREAD(file, data, size) \
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do { \
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if (fread((data), (size), 1, (file)) != 1) { \
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error("[%s:%d] Could not read %lu bytes from file", __FILE__, __LINE__, (size_t)(size)); \
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} \
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} while (0)
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#define VADPCM_VER ((int16_t)1)
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#if 0
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#define DEBUGF(fmt, ...) printf(fmt, ##__VA_ARGS__)
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#else
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#define DEBUGF(fmt, ...) (void)0
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#endif
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typedef struct {
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int16_t numChannels;
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uint16_t numFramesH;
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uint16_t numFramesL;
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int16_t sampleSize;
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uint8_t sampleRate[10]; // 80-bit float
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// followed by compression type + compression name pstring
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} aiff_COMM;
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typedef struct {
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uint16_t nMarkers;
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} aiff_MARK;
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typedef struct {
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uint16_t MarkerID;
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uint16_t positionH;
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uint16_t positionL;
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} Marker;
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typedef enum {
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LOOP_PLAYMODE_NONE = 0,
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LOOP_PLAYMODE_FWD = 1,
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LOOP_PLAYMODE_FWD_BWD = 2
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} aiff_loop_playmode;
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typedef struct {
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int16_t playMode; // aiff_loop_playmode
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// Marker IDs
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int16_t beginLoop;
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int16_t endLoop;
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} Loop;
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typedef struct {
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int8_t baseNote;
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int8_t detune;
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int8_t lowNote;
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int8_t highNote;
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int8_t lowVelocity;
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int8_t highVelocity;
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int16_t gain;
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Loop sustainLoop;
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Loop releaseLoop;
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} aiff_INST;
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typedef struct {
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int32_t offset;
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int32_t blockSize;
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} aiff_SSND;
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static_assert(sizeof(double) == sizeof(uint64_t), "Double is assumed to be 64-bit");
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#define F64_GET_SGN(bits) (((bits) >> 63) & 1) // 1-bit
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#define F64_GET_EXP(bits) ((((bits) >> 52) & 0x7FF) - 0x3FF) // 15-bit
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#define F64_GET_MANT_H(bits) (((bits) >> 32) & 0xFFFFF) // 20-bit
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#define F64_GET_MANT_L(bits) ((bits)&0xFFFFFFFF) // 32-bit
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static UNUSED void
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f64_to_f80(double f64, uint8_t *f80)
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{
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union {
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uint32_t w[3];
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uint8_t b[12];
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} f80tmp;
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// get f64 bits
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uint64_t f64_bits = *(uint64_t *)&f64;
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int f64_sgn = F64_GET_SGN(f64_bits);
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int f64_exponent = F64_GET_EXP(f64_bits);
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uint32_t f64_mantissa_hi = F64_GET_MANT_H(f64_bits);
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uint32_t f64_mantissa_lo = F64_GET_MANT_L(f64_bits);
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// build f80 words
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f80tmp.w[0] = (f64_sgn << 15) | (f64_exponent + 0x3FFF);
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f80tmp.w[1] = (1 << 31) | (f64_mantissa_hi << 11) | (f64_mantissa_lo >> 21);
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f80tmp.w[2] = f64_mantissa_lo << 11;
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// byteswap to BE
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f80tmp.w[0] = htobe32(f80tmp.w[0]);
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f80tmp.w[1] = htobe32(f80tmp.w[1]);
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f80tmp.w[2] = htobe32(f80tmp.w[2]);
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// write bytes
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for (size_t i = 0; i < 10; i++)
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f80[i] = f80tmp.b[i + 2];
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}
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static void
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f80_to_f64(double *f64, uint8_t *f80)
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{
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union {
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uint32_t w[3];
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uint8_t b[12];
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} f80tmp;
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// read bytes
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f80tmp.b[0] = f80tmp.b[1] = 0;
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for (size_t i = 0; i < 10; i++)
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f80tmp.b[i + 2] = f80[i];
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// byteswap from BE
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f80tmp.w[0] = be32toh(f80tmp.w[0]);
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f80tmp.w[1] = be32toh(f80tmp.w[1]);
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f80tmp.w[2] = be32toh(f80tmp.w[2]);
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// get f64 parts
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int f64_sgn = (f80tmp.w[0] >> 15) & 1;
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int f64_exponent = (f80tmp.w[0] & 0x7FFF) - 0x3FFF;
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uint32_t f64_mantissa_hi = (f80tmp.w[1] >> 11) & 0xFFFFF;
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uint32_t f64_mantissa_lo = ((f80tmp.w[1] & 0x7FF) << 21) | (f80tmp.w[2] >> 11);
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// build bitwise f64
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uint64_t f64_bits = ((uint64_t)f64_sgn << 63) | ((((uint64_t)f64_exponent + 0x3FF) & 0x7FF) << 52) |
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((uint64_t)f64_mantissa_hi << 32) | ((uint64_t)f64_mantissa_lo);
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// write double
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*f64 = *(double *)&f64_bits;
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}
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static void
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read_pstring(FILE *f, char *out)
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{
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unsigned char len;
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// read string length
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FREAD(f, &len, sizeof(len));
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// read string and null-terminate it
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FREAD(f, out, len);
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out[len] = '\0';
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// pad to 2-byte boundary
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if (!(len & 1))
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FREAD(f, &len, 1);
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}
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static char *
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read_pstring_alloc(FILE *f)
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{
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unsigned char len;
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// read string length
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FREAD(f, &len, sizeof(len));
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// alloc
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char *out = malloc(len + 1);
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// read string and null-terminate it
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FREAD(f, out, len);
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out[len] = '\0';
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// pad to 2-byte boundary
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if (!(len & 1))
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FREAD(f, &len, 1);
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return out;
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}
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void
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aifc_read(aifc_data *af, const char *path, uint8_t *match_buf, size_t *match_buf_pos)
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{
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FILE *in;
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bool has_comm = false;
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bool has_ssnd = false;
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memset(af, 0, sizeof(aifc_data));
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DEBUGF("[aifc] path [%s]\n", path);
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if (path == NULL)
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return;
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in = fopen(path, "rb");
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if (in == NULL)
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error("Failed to open \"%s\" for reading", path);
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char form[4];
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uint32_t size;
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char aifc[4];
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FREAD(in, form, 4);
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FREAD(in, &size, 4);
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size = be32toh(size);
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FREAD(in, aifc, 4);
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DEBUGF("total size = 0x%X\n", size);
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if (!CC4_CHECK(form, "FORM") || !CC4_CHECK(aifc, "AIFC"))
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error("Not an aifc file?");
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af->path = path;
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while (true) {
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char cc4[4];
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uint32_t chunk_size;
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long start = ftell(in);
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if (start > 8 + size) {
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error("Overran file");
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}
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if (start == 8 + size) {
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break;
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}
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FREAD(in, cc4, 4);
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FREAD(in, &chunk_size, 4);
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chunk_size = be32toh(chunk_size);
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chunk_size++;
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chunk_size &= ~1;
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DEBUGF("%c%c%c%c\n", cc4[0], cc4[1], cc4[2], cc4[3]);
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switch (CC4(cc4[0], cc4[1], cc4[2], cc4[3])) {
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case CC4('C', 'O', 'M', 'M'): {
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aiff_COMM comm;
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FREAD(in, &comm, sizeof(comm));
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comm.numChannels = be16toh(comm.numChannels);
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comm.numFramesH = be16toh(comm.numFramesH);
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comm.numFramesL = be16toh(comm.numFramesL);
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comm.sampleSize = be16toh(comm.sampleSize);
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assert(comm.numChannels == 1); // mono
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assert(comm.sampleSize == 16); // 16-bit samples
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af->num_channels = comm.numChannels;
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af->sample_size = comm.sampleSize;
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af->num_frames = (comm.numFramesH << 16) | comm.numFramesL;
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f80_to_f64(&af->sample_rate, comm.sampleRate);
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uint32_t comp_type = CC4('N', 'O', 'N', 'E');
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if (chunk_size > sizeof(aiff_COMM)) {
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uint32_t compressionType;
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FREAD(in, &compressionType, sizeof(compressionType));
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comp_type = be32toh(compressionType);
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}
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af->compression_type = comp_type;
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af->compression_name = NULL;
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if (chunk_size > sizeof(aiff_COMM) + 4) {
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af->compression_name = read_pstring_alloc(in);
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}
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DEBUGF(" numChannels %d\n"
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" numFrames %u\n"
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" sampleSize %d\n"
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" sampleRate %f\n"
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" compressionType %c%c%c%c (%s)\n",
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af->num_channels, af->num_frames, af->sample_size, af->sample_rate, af->compression_type >> 24,
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af->compression_type >> 16, af->compression_type >> 8, af->compression_type,
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af->compression_name);
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has_comm = true;
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} break;
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case CC4('I', 'N', 'S', 'T'): {
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aiff_INST inst;
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FREAD(in, &inst, sizeof(inst));
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inst.gain = be16toh(inst.gain);
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inst.sustainLoop.playMode = be16toh(inst.sustainLoop.playMode);
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inst.sustainLoop.beginLoop = be16toh(inst.sustainLoop.beginLoop);
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inst.sustainLoop.endLoop = be16toh(inst.sustainLoop.endLoop);
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inst.releaseLoop.playMode = be16toh(inst.releaseLoop.playMode);
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inst.releaseLoop.beginLoop = be16toh(inst.releaseLoop.beginLoop);
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inst.releaseLoop.endLoop = be16toh(inst.releaseLoop.endLoop);
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// basenote
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DEBUGF(" baseNote = %d (%d)\n"
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" detune = %d\n"
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" lowNote = %d\n"
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" highNote = %d\n"
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" lowVelocity = %d\n"
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" highVelocity= %d\n"
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" gain = %d\n"
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" sustainLoop = %d [%d:%d]\n"
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" releaseLoop = %d [%d:%d]\n",
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inst.baseNote, NOTE_MIDI_TO_Z64(inst.baseNote), inst.detune, inst.lowNote, inst.highNote,
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inst.lowVelocity, inst.highVelocity, inst.gain, inst.sustainLoop.playMode,
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inst.sustainLoop.beginLoop, inst.sustainLoop.endLoop, inst.releaseLoop.playMode,
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inst.releaseLoop.beginLoop, inst.releaseLoop.endLoop);
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af->basenote = inst.baseNote;
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af->detune = inst.detune;
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af->has_inst = true;
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} break;
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case CC4('M', 'A', 'R', 'K'): {
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aiff_MARK mark;
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FREAD(in, &mark, sizeof(mark));
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mark.nMarkers = be16toh(mark.nMarkers);
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af->num_markers = mark.nMarkers;
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af->markers = malloc(mark.nMarkers * sizeof(aifc_marker));
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for (size_t i = 0; i < mark.nMarkers; i++) {
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Marker marker;
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FREAD(in, &marker, sizeof(marker));
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marker.MarkerID = be16toh(marker.MarkerID);
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marker.positionH = be16toh(marker.positionH);
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marker.positionL = be16toh(marker.positionL);
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(*af->markers)[i].id = marker.MarkerID;
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(*af->markers)[i].pos = (marker.positionH << 16) | marker.positionL;
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(*af->markers)[i].label = read_pstring_alloc(in);
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DEBUGF(" MARKER: %d @ %u [%s]\n", (*af->markers)[i].id, (*af->markers)[i].pos,
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(*af->markers)[i].label);
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}
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} break;
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case CC4('A', 'P', 'P', 'L'): {
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char subcc4[4];
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FREAD(in, subcc4, 4);
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DEBUGF(" %c%c%c%c\n", subcc4[0], subcc4[1], subcc4[2], subcc4[3]);
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switch (CC4(subcc4[0], subcc4[1], subcc4[2], subcc4[3])) {
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case CC4('s', 't', 'o', 'c'): {
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char chunk_name[257];
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read_pstring(in, chunk_name);
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DEBUGF(" %s\n", chunk_name);
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if (strequ(chunk_name, "VADPCMCODES")) {
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int16_t version;
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uint16_t order;
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uint16_t npredictors;
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FREAD(in, &version, sizeof(version));
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version = be16toh(version);
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FREAD(in, &order, sizeof(order));
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order = be16toh(order);
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FREAD(in, &npredictors, sizeof(npredictors));
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npredictors = be16toh(npredictors);
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if (version != VADPCM_VER)
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error("Non-identical codebook chunk versions");
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size_t book_size = 8 * order * npredictors;
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af->book.order = order;
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af->book.npredictors = npredictors;
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af->book_state = malloc(book_size * sizeof(int16_t));
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FREAD(in, af->book_state, book_size * sizeof(int16_t));
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for (size_t i = 0; i < book_size; i++)
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(*af->book_state)[i] = be16toh((*af->book_state)[i]);
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af->has_book = true;
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// DEBUG
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DEBUGF(" order = %d\n"
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" npredictors = %d\n",
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af->book.order, af->book.npredictors);
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for (size_t i = 0; i < book_size; i++) {
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if (i % 8 == 0)
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DEBUGF("\n ");
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DEBUGF("%04X ", (uint16_t)(*af->book_state)[i]);
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}
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DEBUGF("\n");
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} else if (strequ(chunk_name, "VADPCMLOOPS")) {
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int16_t version;
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int16_t nloops;
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FREAD(in, &version, sizeof(version));
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version = be16toh(version);
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FREAD(in, &nloops, sizeof(nloops));
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nloops = be16toh(nloops);
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if (version != VADPCM_VER)
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error("Non-identical loop chunk versions");
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if (nloops != 1)
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error("Only one loop is supported, got %d", nloops);
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FREAD(in, &af->loop, sizeof(ALADPCMloop));
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af->loop.start = be32toh(af->loop.start);
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af->loop.end = be32toh(af->loop.end);
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af->loop.count = be32toh(af->loop.count);
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for (size_t i = 0; i < ARRAY_COUNT(af->loop.state); i++)
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af->loop.state[i] = be16toh(af->loop.state[i]);
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af->has_loop = true;
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// DEBUG
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DEBUGF(" start = %d\n"
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" end = %d\n"
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" count = %d\n",
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af->loop.start, af->loop.end, af->loop.count);
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for (size_t i = 0; i < ARRAY_COUNT(af->loop.state); i++) {
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if (i % 8 == 0)
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DEBUGF("\n ");
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DEBUGF("%04X ", (uint16_t)af->loop.state[i]);
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}
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DEBUGF("\n");
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} else {
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warning("Skipping unknown APPL::stoc subchunk: \"%s\"", chunk_name);
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}
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} break;
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default:
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warning("Skipping unknown APPL subchunk: \"%c%c%c%c\"", subcc4[0], subcc4[1], subcc4[2],
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subcc4[3]);
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break;
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}
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} break;
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case CC4('S', 'S', 'N', 'D'): {
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aiff_SSND ssnd;
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FREAD(in, &ssnd, sizeof(ssnd));
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ssnd.offset = be32toh(ssnd.offset);
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ssnd.blockSize = be32toh(ssnd.blockSize);
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assert(ssnd.offset == 0);
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assert(ssnd.blockSize == 0);
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af->ssnd_offset = ftell(in);
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// TODO use numFrames instead?
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af->ssnd_size = chunk_size - sizeof(ssnd);
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// Skip reading the rest of the chunk
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fseek(in, af->ssnd_size, SEEK_CUR);
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DEBUGF(" offset = 0x%lX size = 0x%lX\n", af->ssnd_offset, af->ssnd_size);
|
|
|
|
has_ssnd = true;
|
|
} break;
|
|
|
|
default: // skip it
|
|
break;
|
|
}
|
|
|
|
long read_size = ftell(in) - start - 8;
|
|
|
|
if (read_size > chunk_size)
|
|
error("overran chunk: %lu vs %u\n", read_size, chunk_size);
|
|
else if (read_size < chunk_size)
|
|
warning("did not read entire %.*s chunk: %lu vs %u", 4, cc4, read_size, chunk_size);
|
|
|
|
fseek(in, start + 8 + chunk_size, SEEK_SET);
|
|
}
|
|
|
|
if (!has_comm)
|
|
error("aiff/aifc has no COMM chunk");
|
|
if (!has_ssnd)
|
|
error("aiff/aifc has no SSND chunk");
|
|
|
|
// replicate buffer bug in original tool
|
|
if (match_buf != NULL && match_buf_pos != NULL) {
|
|
size_t buf_pos = ALIGN16(*match_buf_pos) % BUG_BUF_SIZE;
|
|
size_t rem = af->ssnd_size;
|
|
long seek_offset = 0;
|
|
|
|
if (rem > BUG_BUF_SIZE) {
|
|
// The sample is so large that it will cover the buffer more than once, let's only read as much as we
|
|
// need to.
|
|
|
|
// Advance to the buffer position to read only the final data into
|
|
buf_pos = (buf_pos + rem - BUG_BUF_SIZE) % BUG_BUF_SIZE;
|
|
// We need to seek to the actual data in the file that would be read at this point
|
|
seek_offset = rem - BUG_BUF_SIZE;
|
|
// The remaining data to read is just 1 buffer's worth of data
|
|
rem = BUG_BUF_SIZE;
|
|
}
|
|
|
|
fseek(in, af->ssnd_offset + seek_offset, SEEK_SET);
|
|
|
|
if (rem > BUG_BUF_SIZE - buf_pos) {
|
|
// rem will circle around in the buffer
|
|
|
|
// Fill up to the end of the buffer
|
|
FREAD(in, &match_buf[buf_pos], BUG_BUF_SIZE - buf_pos);
|
|
rem -= BUG_BUF_SIZE - buf_pos;
|
|
// Return to the start of the buffer
|
|
buf_pos = 0;
|
|
}
|
|
// rem fits in the buffer without circling back, fill buffer
|
|
FREAD(in, &match_buf[buf_pos], rem);
|
|
|
|
*match_buf_pos = (buf_pos + rem) % BUG_BUF_SIZE;
|
|
}
|
|
|
|
fclose(in);
|
|
}
|
|
|
|
void
|
|
aifc_dispose(aifc_data *af)
|
|
{
|
|
free(af->book_state);
|
|
af->has_book = false;
|
|
|
|
af->has_loop = false;
|
|
|
|
free(af->compression_name);
|
|
|
|
for (size_t i = 0; i < af->num_markers; i++)
|
|
free((*af->markers)[i].label);
|
|
free(af->markers);
|
|
}
|