120 lines
4.6 KiB
C
120 lines
4.6 KiB
C
#ifndef WINAMP_IN_H
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#define WINAMP_IN_H
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#include <windows.h>
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#include "out.h"
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// note: exported symbol is now winampGetInModule2.
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#define IN_VER 0x100
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// Changed
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// void (*VSASetInfo)(int nch, int srate);
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// to
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// void (*VSASetInfo)(int srate, int nch);
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// since the old one is wrong!
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//
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// Otherwise in_mp3 is the problem!?...
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typedef struct
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{
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int version; // module type (IN_VER)
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char *description; // description of module, with version string
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HWND hMainWindow; // winamp's main window (filled in by winamp)
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HINSTANCE hDllInstance; // DLL instance handle (Also filled in by winamp)
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char *FileExtensions; // "mp3\0Layer 3 MPEG\0mp2\0Layer 2 MPEG\0mpg\0Layer 1 MPEG\0"
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// May be altered from Config, so the user can select what they want
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int is_seekable; // is this stream seekable?
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int UsesOutputPlug; // does this plug-in use the output plug-ins? (musn't ever change, ever :)
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void (*Config)(HWND hwndParent); // configuration dialog
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void (*About)(HWND hwndParent); // about dialog
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void (*Init)(); // called at program init
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void (*Quit)(); // called at program quit
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void (*GetFileInfo)(char *file, char *title, int *length_in_ms); // if file == NULL, current playing is used
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int (*InfoBox)(char *file, HWND hwndParent);
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int (*IsOurFile)(char *fn); // called before extension checks, to allow detection of mms://, etc
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// playback stuff
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int (*Play)(char *fn); // return zero on success, -1 on file-not-found, some other value on other (stopping winamp) error
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void (*Pause)(); // pause stream
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void (*UnPause)(); // unpause stream
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int (*IsPaused)(); // ispaused? return 1 if paused, 0 if not
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void (*Stop)(); // stop (unload) stream
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// time stuff
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int (*GetLength)(); // get length in ms
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int (*GetOutputTime)(); // returns current output time in ms. (usually returns outMod->GetOutputTime()
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void (*SetOutputTime)(int time_in_ms); // seeks to point in stream (in ms). Usually you signal yoru thread to seek, which seeks and calls outMod->Flush()..
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// volume stuff
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void (*SetVolume)(int volume); // from 0 to 255.. usually just call outMod->SetVolume
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void (*SetPan)(int pan); // from -127 to 127.. usually just call outMod->SetPan
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// in-window builtin vis stuff
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void (*SAVSAInit)(int maxlatency_in_ms, int srate); // call once in Play(). maxlatency_in_ms should be the value returned from outMod->Open()
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// call after opening audio device with max latency in ms and samplerate
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void (*SAVSADeInit)(); // call in Stop()
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// simple vis supplying mode
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void (*SAAddPCMData)(void *PCMData, int nch, int bps, int timestamp);
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// sets the spec data directly from PCM data
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// quick and easy way to get vis working :)
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// needs at least 576 samples :)
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// advanced vis supplying mode, only use if you're cool. Use SAAddPCMData for most stuff.
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int (*SAGetMode)(); // gets csa (the current type (4=ws,2=osc,1=spec))
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// use when calling SAAdd()
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void (*SAAdd)(void *data, int timestamp, int csa); // sets the spec data, filled in by winamp
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// vis stuff (plug-in)
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// simple vis supplying mode
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void (*VSAAddPCMData)(void *PCMData, int nch, int bps, int timestamp); // sets the vis data directly from PCM data
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// quick and easy way to get vis working :)
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// needs at least 576 samples :)
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// advanced vis supplying mode, only use if you're cool. Use VSAAddPCMData for most stuff.
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int (*VSAGetMode)(int *specNch, int *waveNch); // use to figure out what to give to VSAAdd
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void (*VSAAdd)(void *data, int timestamp); // filled in by winamp, called by plug-in
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// call this in Play() to tell the vis plug-ins the current output params.
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void (*VSASetInfo)(int srate, int nch);
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// dsp plug-in processing:
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// (filled in by winamp, called by input plug)
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// returns 1 if active (which means that the number of samples returned by dsp_dosamples
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// could be greater than went in.. Use it to estimate if you'll have enough room in the
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// output buffer
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int (*dsp_isactive)();
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// returns number of samples to output. This can be as much as twice numsamples.
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// be sure to allocate enough buffer for samples, then.
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int (*dsp_dosamples)(short int *samples, int numsamples, int bps, int nch, int srate);
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// eq stuff
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void (*EQSet)(int on, char data[10], int preamp); // 0-64 each, 31 is +0, 0 is +12, 63 is -12. Do nothing to ignore.
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// info setting (filled in by winamp)
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void (*SetInfo)(int bitrate, int srate, int stereo, int synched); // if -1, changes ignored? :)
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Out_Module *outMod; // filled in by winamp, optionally used :)
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} In_Module;
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#endif // WINAMP_IN_H
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