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76 lines
3.4 KiB
C++
76 lines
3.4 KiB
C++
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/*
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LICENSE
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-------
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Copyright 2005 Nullsoft, Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of Nullsoft nor the names of its contributors may be used to
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endorse or promote products derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// notes:
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// any window that remains in foreground should optimally pass
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// keystrokes to the parent (winamp's) window, so that the user
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// can still control it. unless escape is hit, or some option
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// key specific to the vis is hit. As for storing configuration,
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// Configuration data should be stored in <dll directory>\plugin.ini
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// Look at the example plugin for a framework.
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// ints are 32 bits, and structure members are aligned on the default 8 byte boundaries
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// tested with VC++ 4.2 and 5.0
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typedef struct winampVisModule {
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char *description; // description of module
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HWND hwndParent; // parent window (filled in by calling app)
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HINSTANCE hDllInstance; // instance handle to this DLL (filled in by calling app)
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int sRate; // sample rate (filled in by calling app)
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int nCh; // number of channels (filled in...)
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int latencyMs; // latency from call of RenderFrame to actual drawing
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// (calling app looks at this value when getting data)
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int delayMs; // delay between calls in ms
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// the data is filled in according to the respective Nch entry
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int spectrumNch;
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int waveformNch;
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unsigned char spectrumData[2][576];
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unsigned char waveformData[2][576];
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void (*Config)(struct winampVisModule *this_mod); // configuration dialog
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int (*Init)(struct winampVisModule *this_mod); // 0 on success, creates window, etc
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int (*Render)(struct winampVisModule *this_mod); // returns 0 if successful, 1 if vis should end
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void (*Quit)(struct winampVisModule *this_mod); // call when done
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void *userData; // user data, optional
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} winampVisModule;
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typedef struct {
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int version; // VID_HDRVER
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char *description; // description of library
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winampVisModule* (*getModule)(int);
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} winampVisHeader;
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// exported symbols
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typedef winampVisHeader* (*winampVisGetHeaderType)();
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// version of current module (0x101 == 1.01)
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#define VIS_HDRVER 0x101
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