70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
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#ifndef WINAMP_OUT_H
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#define WINAMP_OUT_H
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#include <windows.h>
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// [ids]
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// waveout 32
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// disk 33
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// dsound 38
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// xfade 63
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// gapless 64
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// null 65
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// mm2 69
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#define OUT_VER 0x10
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typedef struct
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{
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int version; // module version (OUT_VER)
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char *description; // description of module, with version string
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int id; // module id. each input module gets its own. non-nullsoft modules should
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// be >= 65536.
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HWND hMainWindow; // winamp's main window (filled in by winamp)
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HINSTANCE hDllInstance; // DLL instance handle (filled in by winamp)
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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 when loaded
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void (*Quit)(); // called when unloaded
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int (*Open)(int samplerate, int numchannels, int bitspersamp, int bufferlenms, int prebufferms);
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// returns >=0 on success, <0 on failure
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// NOTENOTENOTE: bufferlenms and prebufferms are ignored in most if not all output plug-ins.
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// ... so don't expect the max latency returned to be what you asked for.
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// returns max latency in ms (0 for diskwriters, etc)
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// bufferlenms and prebufferms must be in ms. 0 to use defaults.
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// prebufferms must be <= bufferlenms
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void (*Close)(); // close the ol' output device.
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int (*Write)(char *buf, int len);
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// 0 on success. Len == bytes to write (<= 8192 always). buf is straight audio data.
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// 1 returns not able to write (yet). Non-blocking, always.
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int (*CanWrite)(); // returns number of bytes possible to write at a given time.
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// Never will decrease unless you call Write (or Close, heh)
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int (*IsPlaying)(); // non0 if output is still going or if data in buffers waiting to be
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// written (i.e. closing while IsPlaying() returns 1 would truncate the song
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int (*Pause)(int pause); // returns previous pause state
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void (*SetVolume)(int volume); // volume is 0-255
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void (*SetPan)(int pan); // pan is -128 to 128
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void (*Flush)(int t); // flushes buffers and restarts output at time t (in ms)
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// (used for seeking)
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int (*GetOutputTime)(); // returns played time in MS
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int (*GetWrittenTime)(); // returns time written in MS (used for synching up vis stuff)
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} Out_Module;
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#endif // WINAMP_OUT_H
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