dolphin/Branches/MusicMod/Player/Src/Winamp/Vis.h

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#ifndef WINAMP_VIS_H
#define WINAMP_VIS_H
// notes:
// any window that remains in foreground should optimally pass
// keystrokes to the parent (winamp's) window, so that the user
// can still control it. unless escape is hit, or some option
// key specific to the vis is hit. As for storing configuration,
// Configuration data should be stored in <dll directory>\plugin.ini
// Look at the example plugin for a framework.
// ints are 32 bits, and structure members are aligned on the default 8 byte boundaries
// tested with VC++ 4.2 and 5.0
#include <windows.h>
typedef struct winampVisModule {
char *description; // description of module
HWND hwndParent; // parent window (filled in by calling app)
HINSTANCE hDllInstance; // instance handle to this DLL (filled in by calling app)
int sRate; // sample rate (filled in by calling app)
int nCh; // number of channels (filled in...)
int latencyMs; // latency from call of RenderFrame to actual drawing
// (calling app looks at this value when getting data)
int delayMs; // delay between calls in ms
// the data is filled in according to the respective Nch entry
int spectrumNch;
int waveformNch;
unsigned char spectrumData[2][576];
unsigned char waveformData[2][576];
void (*Config)(struct winampVisModule *this_mod); // configuration dialog
int (*Init)(struct winampVisModule *this_mod); // 0 on success, creates window, etc
int (*Render)(struct winampVisModule *this_mod); // returns 0 if successful, 1 if vis should end
void (*Quit)(struct winampVisModule *this_mod); // call when done
void *userData; // user data, optional
} winampVisModule;
typedef struct {
int version; // VID_HDRVER
char *description; // description of library
winampVisModule* (*getModule)(int);
} winampVisHeader;
// exported symbols
typedef winampVisHeader* (*winampVisGetHeaderType)();
// version of current module (0x101 == 1.01)
#define VIS_HDRVER 0x101
#endif // WINAMP_VIS_H