ref: 6e334f585508b2e4f92f331f4553a6dae93820a9
dir: /plugins/in_mp4/in2.h/
#include "out.h" // note: exported symbol is now winampGetInModule2. #define IN_VER 0x100 typedef struct { int version; // module type (IN_VER) char *description; // description of module, with version string HWND hMainWindow; // winamp's main window (filled in by winamp) HINSTANCE hDllInstance; // DLL instance handle (Also filled in by winamp) char *FileExtensions; // "mp3\0Layer 3 MPEG\0mp2\0Layer 2 MPEG\0mpg\0Layer 1 MPEG\0" // May be altered from Config, so the user can select what they want int is_seekable; // is this stream seekable? int UsesOutputPlug; // does this plug-in use the output plug-ins? (musn't ever change, ever :) void (*Config)(HWND hwndParent); // configuration dialog void (*About)(HWND hwndParent); // about dialog void (*Init)(); // called at program init void (*Quit)(); // called at program quit void (*GetFileInfo)(char *file, char *title, int *length_in_ms); // if file == NULL, current playing is used int (*InfoBox)(char *file, HWND hwndParent); int (*IsOurFile)(char *fn); // called before extension checks, to allow detection of mms://, etc // playback stuff int (*Play)(char *fn); // return zero on success, -1 on file-not-found, some other value on other (stopping winamp) error void (*Pause)(); // pause stream void (*UnPause)(); // unpause stream int (*IsPaused)(); // ispaused? return 1 if paused, 0 if not void (*Stop)(); // stop (unload) stream // time stuff int (*GetLength)(); // get length in ms int (*GetOutputTime)(); // returns current output time in ms. (usually returns outMod->GetOutputTime() 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().. // volume stuff void (*SetVolume)(int volume); // from 0 to 255.. usually just call outMod->SetVolume void (*SetPan)(int pan); // from -127 to 127.. usually just call outMod->SetPan // in-window builtin vis stuff void (*SAVSAInit)(int maxlatency_in_ms, int srate); // call once in Play(). maxlatency_in_ms should be the value returned from outMod->Open() // call after opening audio device with max latency in ms and samplerate void (*SAVSADeInit)(); // call in Stop() // simple vis supplying mode void (*SAAddPCMData)(void *PCMData, int nch, int bps, int timestamp); // sets the spec data directly from PCM data // quick and easy way to get vis working :) // needs at least 576 samples :) // advanced vis supplying mode, only use if you're cool. Use SAAddPCMData for most stuff. int (*SAGetMode)(); // gets csa (the current type (4=ws,2=osc,1=spec)) // use when calling SAAdd() void (*SAAdd)(void *data, int timestamp, int csa); // sets the spec data, filled in by winamp // vis stuff (plug-in) // simple vis supplying mode void (*VSAAddPCMData)(void *PCMData, int nch, int bps, int timestamp); // sets the vis data directly from PCM data // quick and easy way to get vis working :) // needs at least 576 samples :) // advanced vis supplying mode, only use if you're cool. Use VSAAddPCMData for most stuff. int (*VSAGetMode)(int *specNch, int *waveNch); // use to figure out what to give to VSAAdd void (*VSAAdd)(void *data, int timestamp); // filled in by winamp, called by plug-in // call this in Play() to tell the vis plug-ins the current output params. void (*VSASetInfo)(int nch, int srate); // dsp plug-in processing: // (filled in by winamp, called by input plug) // returns 1 if active (which means that the number of samples returned by dsp_dosamples // could be greater than went in.. Use it to estimate if you'll have enough room in the // output buffer int (*dsp_isactive)(); // returns number of samples to output. This can be as much as twice numsamples. // be sure to allocate enough buffer for samples, then. int (*dsp_dosamples)(short int *samples, int numsamples, int bps, int nch, int srate); // eq stuff 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. // info setting (filled in by winamp) void (*SetInfo)(int bitrate, int srate, int stereo, int synched); // if -1, changes ignored? :) Out_Module *outMod; // filled in by winamp, optionally used :) } In_Module;