geode/loader/include/Geode/fmod/fmod_codec.h

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2022-07-30 12:24:03 -04:00
/* ======================================================================================== */
/* FMOD Core API - Codec development header file. */
/* Copyright (c), Firelight Technologies Pty, Ltd. 2004-2020. */
/* */
/* Use this header if you are wanting to develop your own file format plugin to use with */
/* FMOD's codec system. With this header you can make your own fileformat plugin that FMOD */
/* can register and use. See the documentation and examples on how to make a working */
/* plugin. */
/* */
/* For more detail visit: */
/* https://fmod.com/resources/documentation-api?version=2.0&page=core-api.html */
/* ======================================================================================== */
#ifndef _FMOD_CODEC_H
#define _FMOD_CODEC_H
/*
Codec types
*/
typedef struct FMOD_CODEC_STATE FMOD_CODEC_STATE;
typedef struct FMOD_CODEC_WAVEFORMAT FMOD_CODEC_WAVEFORMAT;
/*
Codec constants
*/
#define FMOD_CODEC_WAVEFORMAT_VERSION 3
/*
Codec callbacks
*/
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_OPEN_CALLBACK) (FMOD_CODEC_STATE *codec_state, FMOD_MODE usermode, FMOD_CREATESOUNDEXINFO *userexinfo);
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_CLOSE_CALLBACK) (FMOD_CODEC_STATE *codec_state);
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_READ_CALLBACK) (FMOD_CODEC_STATE *codec_state, void *buffer, unsigned int samples_in, unsigned int *samples_out);
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_GETLENGTH_CALLBACK) (FMOD_CODEC_STATE *codec_state, unsigned int *length, FMOD_TIMEUNIT lengthtype);
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_SETPOSITION_CALLBACK) (FMOD_CODEC_STATE *codec_state, int subsound, unsigned int position, FMOD_TIMEUNIT postype);
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_GETPOSITION_CALLBACK) (FMOD_CODEC_STATE *codec_state, unsigned int *position, FMOD_TIMEUNIT postype);
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_SOUNDCREATE_CALLBACK) (FMOD_CODEC_STATE *codec_state, int subsound, FMOD_SOUND *sound);
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_METADATA_CALLBACK) (FMOD_CODEC_STATE *codec_state, FMOD_TAGTYPE tagtype, char *name, void *data, unsigned int datalen, FMOD_TAGDATATYPE datatype, int unique);
typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_GETWAVEFORMAT_CALLBACK)(FMOD_CODEC_STATE *codec_state, int index, FMOD_CODEC_WAVEFORMAT *waveformat);
/*
Codec structures
*/
typedef struct FMOD_CODEC_DESCRIPTION
{
const char *name;
unsigned int version;
int defaultasstream;
FMOD_TIMEUNIT timeunits;
FMOD_CODEC_OPEN_CALLBACK open;
FMOD_CODEC_CLOSE_CALLBACK close;
FMOD_CODEC_READ_CALLBACK read;
FMOD_CODEC_GETLENGTH_CALLBACK getlength;
FMOD_CODEC_SETPOSITION_CALLBACK setposition;
FMOD_CODEC_GETPOSITION_CALLBACK getposition;
FMOD_CODEC_SOUNDCREATE_CALLBACK soundcreate;
FMOD_CODEC_GETWAVEFORMAT_CALLBACK getwaveformat;
} FMOD_CODEC_DESCRIPTION;
struct FMOD_CODEC_WAVEFORMAT
{
const char* name;
FMOD_SOUND_FORMAT format;
int channels;
int frequency;
unsigned int lengthbytes;
unsigned int lengthpcm;
unsigned int pcmblocksize;
int loopstart;
int loopend;
FMOD_MODE mode;
FMOD_CHANNELMASK channelmask;
FMOD_CHANNELORDER channelorder;
float peakvolume;
};
struct FMOD_CODEC_STATE
{
int numsubsounds;
FMOD_CODEC_WAVEFORMAT *waveformat;
void *plugindata;
void *filehandle;
unsigned int filesize;
FMOD_FILE_READ_CALLBACK fileread;
FMOD_FILE_SEEK_CALLBACK fileseek;
FMOD_CODEC_METADATA_CALLBACK metadata;
int waveformatversion;
};
#endif