94 lines
6.6 KiB
C
94 lines
6.6 KiB
C
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/* ==================================================================================================== */
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/* FMOD Ex - output development header file. Copyright (c), Firelight Technologies Pty, Ltd. 2004-2014. */
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/* */
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/* Use this header if you are wanting to develop your own output plugin to use with */
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/* FMOD's output system. With this header you can make your own output plugin that FMOD */
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/* can register and use. See the documentation and examples on how to make a working plugin. */
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/* */
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/* ==================================================================================================== */
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#ifndef _FMOD_OUTPUT_H
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#define _FMOD_OUTPUT_H
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#include "fmod.h"
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typedef struct FMOD_OUTPUT_STATE FMOD_OUTPUT_STATE;
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/*
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Output callbacks
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*/
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_GETNUMDRIVERSCALLBACK)(FMOD_OUTPUT_STATE *output_state, int *numdrivers);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_GETDRIVERNAMECALLBACK)(FMOD_OUTPUT_STATE *output_state, int id, char *name, int namelen);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_GETDRIVERCAPSCALLBACK)(FMOD_OUTPUT_STATE *output_state, int id, FMOD_CAPS *caps);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_INITCALLBACK) (FMOD_OUTPUT_STATE *output_state, int selecteddriver, FMOD_INITFLAGS flags, int *outputrate, int outputchannels, FMOD_SOUND_FORMAT *outputformat, int dspbufferlength, int dspnumbuffers, void *extradriverdata);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_CLOSECALLBACK) (FMOD_OUTPUT_STATE *output_state);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_UPDATECALLBACK) (FMOD_OUTPUT_STATE *output_state);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_GETHANDLECALLBACK) (FMOD_OUTPUT_STATE *output_state, void **handle);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_GETPOSITIONCALLBACK) (FMOD_OUTPUT_STATE *output_state, unsigned int *pcm);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_LOCKCALLBACK) (FMOD_OUTPUT_STATE *output_state, unsigned int offset, unsigned int length, void **ptr1, void **ptr2, unsigned int *len1, unsigned int *len2);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_UNLOCKCALLBACK) (FMOD_OUTPUT_STATE *output_state, void *ptr1, void *ptr2, unsigned int len1, unsigned int len2);
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typedef FMOD_RESULT (F_CALLBACK *FMOD_OUTPUT_READFROMMIXER) (FMOD_OUTPUT_STATE *output_state, void *buffer, unsigned int length);
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/*
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[STRUCTURE]
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[
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[DESCRIPTION]
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When creating an output, declare one of these and provide the relevant callbacks and name for FMOD to use when it opens and reads a file of this type.
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[REMARKS]
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Members marked with [in] mean the variable can be written to. The user can set the value.<br>
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Members marked with [out] mean the variable is modified by FMOD and is for reading purposes only. Do not change this value.<br>
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[PLATFORMS]
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Win32, Win64, Linux, Linux64, Macintosh, Xbox360, PlayStation Portable, PlayStation 3, Wii, iPhone, 3GS, NGP, Android
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[SEE_ALSO]
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FMOD_OUTPUT_STATE
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]
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*/
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typedef struct FMOD_OUTPUT_DESCRIPTION
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{
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const char *name; /* [in] Name of the output. */
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unsigned int version; /* [in] Plugin writer's version number. */
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int polling; /* [in] If TRUE (non zero), this tells FMOD to start a thread and call getposition / lock / unlock for feeding data. If 0, the output is probably callback based, so all the plugin needs to do is call readfrommixer to the appropriate pointer. */
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FMOD_OUTPUT_GETNUMDRIVERSCALLBACK getnumdrivers; /* [in] For sound device enumeration. This callback is to give System::getNumDrivers somthing to return. */
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FMOD_OUTPUT_GETDRIVERNAMECALLBACK getdrivername; /* [in] For sound device enumeration. This callback is to give System::getDriverName somthing to return. */
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FMOD_OUTPUT_GETDRIVERCAPSCALLBACK getdrivercaps; /* [in] For sound device enumeration. This callback is to give System::getDriverCaps somthing to return. */
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FMOD_OUTPUT_INITCALLBACK init; /* [in] Initialization function for the output device. This is called from System::init. */
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FMOD_OUTPUT_CLOSECALLBACK close; /* [in] Cleanup / close down function for the output device. This is called from System::close. */
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FMOD_OUTPUT_UPDATECALLBACK update; /* [in] Update function that is called once a frame by the user. This is called from System::update. */
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FMOD_OUTPUT_GETHANDLECALLBACK gethandle; /* [in] This is called from System::getOutputHandle. This is just to return a pointer to the internal system device object that the system may be using.*/
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FMOD_OUTPUT_GETPOSITIONCALLBACK getposition; /* [in] This is called from the FMOD software mixer thread if 'polling' = true. This returns a position value in samples so that FMOD knows where and when to fill its buffer. */
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FMOD_OUTPUT_LOCKCALLBACK lock; /* [in] This is called from the FMOD software mixer thread if 'polling' = true. This function provides a pointer to data that FMOD can write to when software mixing. */
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FMOD_OUTPUT_UNLOCKCALLBACK unlock; /* [in] This is called from the FMOD software mixer thread if 'polling' = true. This optional function accepts the data that has been mixed and copies it or does whatever it needs to before sending it to the hardware. */
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} FMOD_OUTPUT_DESCRIPTION;
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/*
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[STRUCTURE]
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[
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[DESCRIPTION]
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Output plugin structure that is passed into each callback.
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[REMARKS]
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Members marked with [in] mean the variable can be written to. The user can set the value.<br>
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Members marked with [out] mean the variable is modified by FMOD and is for reading purposes only. Do not change this value.<br>
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[PLATFORMS]
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Win32, Win64, Linux, Linux64, Macintosh, Xbox360, PlayStation Portable, PlayStation 3, Wii, iPhone, 3GS, NGP, Android
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[SEE_ALSO]
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FMOD_OUTPUT_DESCRIPTION
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]
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*/
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struct FMOD_OUTPUT_STATE
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{
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void *plugindata; /* [in] Plugin writer created data the output author wants to attach to this object. */
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FMOD_OUTPUT_READFROMMIXER readfrommixer; /* [out] Function to update mixer and write the result to the provided pointer. Used from callback based output only. Polling based output uses lock/unlock/getposition. */
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};
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#endif
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