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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /* ======================================================================================== */ | ||
| /* FMOD Core API - Codec development header file. */ | ||
| /* Copyright (c), Firelight Technologies Pty, Ltd. 2004-2023. */ | ||
| /* */ | ||
| /* 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/docs/2.02/api/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_PLUGIN_VERSION 1 | ||
|
|
||
| typedef int FMOD_CODEC_SEEK_METHOD; | ||
| #define FMOD_CODEC_SEEK_METHOD_SET 0 | ||
| #define FMOD_CODEC_SEEK_METHOD_CURRENT 1 | ||
| #define FMOD_CODEC_SEEK_METHOD_END 2 | ||
|
|
||
| /* | ||
| 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_GETWAVEFORMAT_CALLBACK)(FMOD_CODEC_STATE *codec_state, int index, FMOD_CODEC_WAVEFORMAT *waveformat); | ||
|
|
||
| /* | ||
| Codec functions | ||
| */ | ||
| typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_METADATA_FUNC) (FMOD_CODEC_STATE *codec_state, FMOD_TAGTYPE tagtype, char *name, void *data, unsigned int datalen, FMOD_TAGDATATYPE datatype, int unique); | ||
| typedef void * (F_CALLBACK *FMOD_CODEC_ALLOC_FUNC) (unsigned int size, unsigned int align, const char *file, int line); | ||
| typedef void (F_CALLBACK *FMOD_CODEC_FREE_FUNC) (void *ptr, const char *file, int line); | ||
| typedef void (F_CALLBACK *FMOD_CODEC_LOG_FUNC) (FMOD_DEBUG_FLAGS level, const char *file, int line, const char *function, const char *string, ...); | ||
|
|
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| typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_FILE_READ_FUNC) (FMOD_CODEC_STATE *codec_state, void *buffer, unsigned int sizebytes, unsigned int *bytesread); | ||
| typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_FILE_SEEK_FUNC) (FMOD_CODEC_STATE *codec_state, unsigned int pos, FMOD_CODEC_SEEK_METHOD method); | ||
| typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_FILE_TELL_FUNC) (FMOD_CODEC_STATE *codec_state, unsigned int *pos); | ||
| typedef FMOD_RESULT (F_CALLBACK *FMOD_CODEC_FILE_SIZE_FUNC) (FMOD_CODEC_STATE *codec_state, unsigned int *size); | ||
|
|
||
| /* | ||
| Codec structures | ||
| */ | ||
| typedef struct FMOD_CODEC_DESCRIPTION | ||
| { | ||
| unsigned int apiversion; | ||
| 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; | ||
| }; | ||
|
|
||
| typedef struct FMOD_CODEC_STATE_FUNCTIONS | ||
| { | ||
| FMOD_CODEC_METADATA_FUNC metadata; | ||
| FMOD_CODEC_ALLOC_FUNC alloc; | ||
| FMOD_CODEC_FREE_FUNC free; | ||
| FMOD_CODEC_LOG_FUNC log; | ||
| FMOD_CODEC_FILE_READ_FUNC read; | ||
| FMOD_CODEC_FILE_SEEK_FUNC seek; | ||
| FMOD_CODEC_FILE_TELL_FUNC tell; | ||
| FMOD_CODEC_FILE_SIZE_FUNC size; | ||
| } FMOD_CODEC_STATE_FUNCTIONS; | ||
|
|
||
| struct FMOD_CODEC_STATE | ||
| { | ||
| void *plugindata; | ||
| FMOD_CODEC_WAVEFORMAT *waveformat; | ||
| FMOD_CODEC_STATE_FUNCTIONS *functions; | ||
| int numsubsounds; | ||
| }; | ||
|
|
||
| /* | ||
| Codec macros | ||
| */ | ||
| #define FMOD_CODEC_METADATA(_state, _tagtype, _name, _data, _datalen, _datatype, _unique) \ | ||
| (_state)->functions->metadata(_state, _tagtype, _name, _data, _datalen, _datatype, _unique) | ||
| #define FMOD_CODEC_ALLOC(_state, _size, _align) \ | ||
| (_state)->functions->alloc(_size, _align, __FILE__, __LINE__) | ||
| #define FMOD_CODEC_FREE(_state, _ptr) \ | ||
| (_state)->functions->free(_ptr, __FILE__, __LINE__) | ||
| #define FMOD_CODEC_LOG(_state, _level, _location, _format, ...) \ | ||
| (_state)->functions->log(_level, __FILE__, __LINE__, _location, _format, __VA_ARGS__) | ||
| #define FMOD_CODEC_FILE_READ(_state, _buffer, _sizebytes, _bytesread) \ | ||
| (_state)->functions->read(_state, _buffer, _sizebytes, _bytesread) | ||
| #define FMOD_CODEC_FILE_SEEK(_state, _pos, _method) \ | ||
| (_state)->functions->seek(_state, _pos, _method) | ||
| #define FMOD_CODEC_FILE_TELL(_state, _pos) \ | ||
| (_state)->functions->tell(_state, _pos) | ||
| #define FMOD_CODEC_FILE_SIZE(_state, _size) \ | ||
| (_state)->functions->size(_state, _size) | ||
|
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||
| #endif | ||
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