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- Added libraries from formats and libvitaboy
This commit is contained in:
Tony Bark 2024-04-28 05:33:13 -04:00
parent 66ce473514
commit 5efdb29315
101 changed files with 11711 additions and 10889 deletions
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57
library/formats/wav/read_wav.c Normal file
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@ -0,0 +1,57 @@
/*
FileHandler - General-purpose file handling library for Niotso
read_wav.c - Copyright (c) 2012 Niotso Project <http://niotso.org/>
Author(s): Fatbag <X-Fi6@phppoll.org>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdint.h>
#include <string.h>
#include "read_wav.h"
#define WAVE_FORMAT_PCM 1
#ifndef read_uint32
#define read_uint32(x) (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)) | ((x)[2]<<(8*2)) | ((x)[3]<<(8*3)))
#define read_uint16(x) (unsigned)(((x)[0]<<(8*0)) | ((x)[1]<<(8*1)))
#endif
int wav_read_header(wavheader_t * WAVHeader, const uint8_t * Buffer, size_t FileSize){
if(FileSize < 45) return 0;
WAVHeader->sID = read_uint32(Buffer);
WAVHeader->Size = read_uint32(Buffer+4);
WAVHeader->DataType = read_uint32(Buffer+8);
WAVHeader->FmtID = read_uint32(Buffer+12);
WAVHeader->FmtSize = read_uint32(Buffer+16);
WAVHeader->wFormatTag = read_uint16(Buffer+20);
WAVHeader->nChannels = read_uint16(Buffer+22);
WAVHeader->nSamplesPerSec = read_uint32(Buffer+24);
WAVHeader->nAvgBytesPerSec = read_uint32(Buffer+28);
WAVHeader->nBlockAlign = read_uint16(Buffer+32);
WAVHeader->wBitsPerSample = read_uint16(Buffer+34);
WAVHeader->DataID = read_uint32(Buffer+36);
WAVHeader->DataSize = read_uint32(Buffer+40);
if(WAVHeader->sID != 0x46464952 || WAVHeader->Size != FileSize-8 || WAVHeader->DataType != 0x45564157 ||
WAVHeader->FmtID != 0x20746D66 || WAVHeader->FmtSize != 16 || WAVHeader->wFormatTag != WAVE_FORMAT_PCM ||
WAVHeader->nChannels < 1 || WAVHeader->nChannels > 2 || WAVHeader->nSamplesPerSec == 0 ||
(WAVHeader->nSamplesPerSec%8000 != 0 && WAVHeader->nSamplesPerSec%11025 != 0) || WAVHeader->nSamplesPerSec > 48000 ||
WAVHeader->nAvgBytesPerSec != WAVHeader->nSamplesPerSec * WAVHeader->nBlockAlign ||
WAVHeader->nBlockAlign != WAVHeader->nChannels * WAVHeader->wBitsPerSample >> 3 ||
(WAVHeader->wBitsPerSample != 8 && WAVHeader->wBitsPerSample != 16) || WAVHeader->DataID != 0x61746164 ||
WAVHeader->DataSize != FileSize - 44 || WAVHeader->DataSize % WAVHeader->nBlockAlign != 0
) return 0;
return 1;
}

44
library/formats/wav/read_wav.h Normal file
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/*
FileHandler - General-purpose file handling library for Niotso
read_wav.h - Copyright (c) 2012 Niotso Project <http://niotso.org/>
Author(s): Fatbag <X-Fi6@phppoll.org>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
typedef struct
{
uint32_t sID;
uint32_t Size;
uint32_t DataType;
uint32_t FmtID;
uint32_t FmtSize;
uint16_t wFormatTag;
uint16_t nChannels;
uint32_t nSamplesPerSec;
uint32_t nAvgBytesPerSec;
uint16_t nBlockAlign;
uint16_t wBitsPerSample;
uint32_t DataID;
uint32_t DataSize;
} wavheader_t;
#ifdef __cplusplus
extern "C" {
#endif
int wav_read_header(wavheader_t * WAVHeader, const uint8_t * Buffer, size_t FileSize);
#ifdef __cplusplus
}
#endif