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libtta.h
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/*
* libtta.h
*
* Description: TTA1-C library interface
* Copyright (c) 1999-2015 Aleksander Djuric. All rights reserved.
* Distributed under the GNU Lesser General Public License (LGPL).
* The complete text of the license can be found in the COPYING
* file included in the distribution.
*
*/
#ifndef _LIBTTA_H
#define _LIBTTA_H
#ifdef __GNUC__
#include <stdint.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef CARIBBEAN
#define ALLOW_OS_CODE 1
#include "../../../rmdef/rmdef.h"
#include "../../../rmlibcw/include/rmlibcw.h"
#include "../../../rmcore/include/rmcore.h"
#endif
#else // MSVC
#include <windows.h>
#endif
#include <setjmp.h>
#define MAX_DEPTH 3
#define MAX_BPS (MAX_DEPTH*8)
#define MIN_BPS 16
#define MAX_NCH 6
#define TTA_FIFO_BUFFER_SIZE 5120
#ifdef __GNUC__
#define CALLBACK
#define TTA_EXTERN_API __attribute__((visibility("default")))
#define TTA_ALIGNED(n) __attribute__((aligned(n), packed))
#define __forceinline static __inline
#else // MSVC
#define CALLBACK __stdcall
#define TTA_EXTERN_API __declspec(dllexport)
#define TTA_ALIGNED(n) __declspec(align(n))
#endif
// portability definitions
#ifdef __GNUC__
#ifdef CARIBBEAN
typedef RMint8 (TTAint8);
typedef RMint16 (TTAint16);
typedef RMint32 (TTAint32);
typedef RMint64 (TTAint64);
typedef RMuint8 (TTAuint8);
typedef RMuint16 (TTAuint16);
typedef RMuint32 (TTAuint32);
typedef RMuint64 (TTAuint64);
#else // GNUC
typedef int8_t (TTAint8);
typedef int16_t (TTAint16);
typedef int32_t (TTAint32);
typedef int64_t (TTAint64);
typedef uint8_t (TTAuint8);
typedef uint16_t (TTAuint16);
typedef uint32_t (TTAuint32);
typedef uint64_t (TTAuint64);
#endif
#else // MSVC
typedef __int8 (TTAint8);
typedef __int16 (TTAint16);
typedef __int32 (TTAint32);
typedef __int64 (TTAint64);
typedef unsigned __int8 (TTAuint8);
typedef unsigned __int16 (TTAuint16);
typedef unsigned __int32 (TTAuint32);
typedef unsigned __int64 (TTAuint64);
#endif
// boolean
#ifndef bool
typedef int (bool);
#define false (0)
#define true (1)
#endif
typedef enum {
TTA_SUCCESS, // setjmp data saved
TTA_NO_ERROR, // no known errors found
TTA_OPEN_ERROR, // can't open file
TTA_FORMAT_ERROR, // not compatible file format
TTA_FILE_ERROR, // file is corrupted
TTA_READ_ERROR, // can't read from input file
TTA_WRITE_ERROR, // can't write to output file
TTA_SEEK_ERROR, // file seek error
TTA_MEMORY_ERROR, // insufficient memory available
TTA_PASSWORD_ERROR, // password protected file
TTA_NOT_SUPPORTED // unsupported architecture
} TTA_CODEC_STATUS;
typedef enum {
CPU_ARCH_UNDEFINED,
CPU_ARCH_IX86_SSE2,
CPU_ARCH_IX86_SSE3,
CPU_ARCH_IX86_SSE4_1,
CPU_ARCH_IX86_SSE4_2
} CPU_ARCH_TYPE;
// TTA audio format
#define TTA_FORMAT_SIMPLE 1
#define TTA_FORMAT_ENCRYPTED 2
typedef struct {
TTAuint32 format; // audio format
TTAuint32 nch; // number of channels
TTAuint32 bps; // bits per sample
TTAuint32 sps; // samplerate (sps)
TTAuint32 samples; // data length in samples
} TTA_ALIGNED(16) TTA_info;
typedef struct {
TTAuint32 k0;
TTAuint32 k1;
TTAuint32 sum0;
TTAuint32 sum1;
} TTA_ALIGNED(16) TTA_adapt;
typedef struct {
TTAint32 index;
TTAint32 error;
TTAint32 round;
TTAint32 shift;
TTAint32 qm[8];
TTAint32 dx[24];
TTAint32 dl[24];
} TTA_ALIGNED(16) TTA_fltst;
typedef struct {
TTA_fltst fst;
TTA_adapt rice;
TTAint32 prev;
} TTA_ALIGNED(16) TTA_codec;
typedef struct _tag_TTA_io_callback {
TTAint32(CALLBACK *read)(struct _tag_TTA_io_callback *, TTAuint8 *, TTAuint32);
TTAint32(CALLBACK *write)(struct _tag_TTA_io_callback *, TTAuint8 *, TTAuint32);
TTAint64(CALLBACK *seek)(struct _tag_TTA_io_callback *, TTAint64 offset);
} TTA_ALIGNED(16) TTA_io_callback;
// progress callback
typedef void (CALLBACK *TTA_CALLBACK)(TTAuint32, TTAuint32, TTAuint32);
// architecture type compatibility
CPU_ARCH_TYPE tta_binary_version();
/////////////////////// TTA decoder functions /////////////////////////
void tta_decoder_new(TTA_io_callback *iocb);
void tta_decoder_done();
int tta_decoder_init_get_info(TTA_info *info);
int tta_decoder_init_set_info(TTA_info *info);
void tta_decoder_set_password(void const *pstr, TTAuint32 len);
int tta_decoder_frame_reset(TTAuint32 frame, TTA_io_callback *iocb);
int tta_decoder_process_stream(TTAuint8 *output, TTAuint32 out_bytes, TTA_CALLBACK tta_callback);
int tta_decoder_process_frame(TTAuint32 in_bytes, TTAuint8 *output, TTAuint32 out_bytes);
int tta_decoder_set_position(TTAuint32 seconds, TTAuint32 *new_pos);
TTAuint32 tta_decoder_get_rate();
TTA_CODEC_STATUS tta_decoder_get_error();
/////////////////////// TTA encoder functions /////////////////////////
void tta_encoder_new(TTA_io_callback *iocb);
void tta_encoder_done();
int tta_encoder_init_set_info(TTA_info *info, TTAuint32 offset);
void tta_encoder_set_password(void const *pstr, TTAuint32 len);
void tta_encoder_frame_reset(TTAuint32 frame, TTA_io_callback *iocb);
int tta_encoder_process_stream(TTAuint8 *input, TTAuint32 in_bytes, TTA_CALLBACK tta_callback);
int tta_encoder_process_frame(TTAuint8 *input, TTAuint32 in_bytes);
int tta_encoder_finalize();
TTAuint32 tta_encoder_get_rate();
TTA_CODEC_STATUS tta_encoder_get_error();
#endif // _LIBTTA_H