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root/cebix/SIDPlayer/src/clamp_includes/InputPlugin.h
Revision: 1.1
Committed: 2000-07-28T12:42:30Z (24 years, 3 months ago) by cebix
Content type: text/plain
Branch point for: MAIN, cebix
Log Message:
Initial revision

File Contents

# User Rev Content
1 cebix 1.1
2     #ifndef CLAMP_INPUT_PLUGIN_H
3     #define CLAMP_INPUT_PLUGIN_H
4    
5     #include <AppKit.h>
6     #include <StorageKit.h>
7    
8     #include "Plugin_Messages.h"
9     #include "Plugin_ConstructorStruct.h"
10    
11     #include "InputPlugin_InfoStruct.h"
12    
13     #define MAX_GETAUDIO_SIZE (10*1024)
14    
15     // The class description of the object that will be returned when CL-Amp ask the AddOn (Plugin) for its object...
16     class InputPlugin {
17     public:
18     // Used by CL-Amp. Don't bother about these functions!
19     // InputPlugin(char *label, char *desc, struct InputPluginFuncs *F) { CLAmpHandler=NULL; Label= label; Description= desc; Master= false; }
20     InputPlugin(char *label, char *desc) { CLAmpHandler=NULL; Label= label; Description= desc; Master= false; }
21     virtual ~InputPlugin() { }
22     void SetHandler(BHandler *handler) { CLAmpHandler= handler; }
23     void SetMaster() { Master= true; }
24    
25     // =================================================================
26     // Here comes the functions you have to provide in your plugin code!
27    
28     // No thread considerations with this function!
29     virtual void Init()=0;
30     virtual void Cleanup() {};
31     // 2 special special functions follows, not needed for most plugins!!
32     virtual void *GetUserData() { return(NULL); }
33     virtual void SetUserData(void *UserData) { }
34    
35     // These functions will run in thread A, dont let functions from A use data from B or vice verse...
36     virtual bool About(bool Question)=0;
37     virtual bool Prefs(bool Question)=0;
38     virtual bool Edit (const char *FileName, bool Question)=0;
39     virtual bool GetMimeType(BMimeType *m, int Nr)=0;
40     virtual bool IsOur(const char *FileName)=0;
41     virtual bool GetSongInfo(const char *FileName, struct PlayerInfoStruct *Info)=0;
42     virtual void AbortPlaying()=0;
43     virtual void Pause(bool On)=0;
44     virtual void NewSpeed (long Promille)=0;
45     virtual void NewVolume (long Promille)=0;
46     // 2 special functions follows, not needed for most plugins!!
47     virtual void NewPanning(long Promille) {}
48     virtual bool CanCrossFade(char *FileName1, char *FileName2) { return(true); }
49    
50     // These functions will run in thread B, dont let functions from B use data from A or vice verse...
51     virtual bool InitPlaying(const char *FileName, struct PlayerInfoStruct *Info)=0;
52     virtual int GetAudio(char **Buff, int Size)=0;
53     virtual void JumpTo(long NewTime)=0;
54     virtual void CleanupPlaying()=0;
55    
56     // End of the functions you have to provide in your plugin code!
57     // =================================================================
58    
59     // Help functions you can call to get data from the InputPlugin class itself
60     const char *GetLabel() { return Label; }
61     const char *GetDescription() { return Description; }
62     BHandler *GetCLAmpHandler() { return CLAmpHandler; }
63     void SendToCLAmp(struct PlayerInfoStruct *info) { BMessage Msg(CLAMP_MSG_PLAYINFO); BLooper *l; if (CLAmpHandler && (l=CLAmpHandler->Looper())) { Msg.AddData(CLAMP_PLAYINFO_LABEL, B_STRING_TYPE, (char *)info, sizeof(*info)); l->PostMessage (&Msg, CLAmpHandler); } }
64     void SendToCLAmp_ChangedFile(const char *FileName) { BMessage Msg(CLAMP_MSG_CHANGED); BLooper *l; if (CLAmpHandler && (l=CLAmpHandler->Looper())) { Msg.AddString(CLAMP_CHANGED_LABEL, FileName); l->PostMessage (&Msg, CLAmpHandler); } }
65     void SendToCLAmp_AddFile(const char *FileName) { BMessage Msg(CLAMP_MSG_ADD); BLooper *l; if (CLAmpHandler && (l=CLAmpHandler->Looper())) { Msg.AddString(CLAMP_ADD_LABEL, FileName); l->PostMessage (&Msg, CLAmpHandler); } }
66     void SendToCLAmp_AddFile(const char *FileName, long SongId) { BMessage Msg(CLAMP_MSG_ADD); BLooper *l; if (CLAmpHandler && (l=CLAmpHandler->Looper())) { Msg.AddString(CLAMP_ADD_LABEL, FileName); Msg.AddInt32(CLAMP_SONG_ID, SongId); l->PostMessage (&Msg, CLAmpHandler); } }
67     void SendToCLAmp_DelFile(const char *FileName) { BMessage Msg(CLAMP_MSG_DEL); BLooper *l; if (CLAmpHandler && (l=CLAmpHandler->Looper())) { Msg.AddString(CLAMP_DEL_LABEL, FileName); l->PostMessage (&Msg, CLAmpHandler); } }
68     void SendToCLAmp_DelFile(long SongId) { BMessage Msg(CLAMP_MSG_DEL); BLooper *l; if (CLAmpHandler && (l=CLAmpHandler->Looper())) { Msg.AddInt32(CLAMP_SONG_ID, SongId); l->PostMessage (&Msg, CLAmpHandler); } }
69     bool IsMaster() { return (Master); }
70     private:
71     char *Label, *Description;
72     BHandler *CLAmpHandler;
73     bool Master;
74     };
75    
76     #define CURRENT_INPUT_PLUGIN_VERSION 3
77     #define INPUT_PLUGIN_VERSION_MASK 0x0fff
78     #define PUT_THIS_PLUGIN_LAST 0x1000
79    
80     #endif