router/router.h

   1 #ifndef ROUTER_ROUTER_H
   2 #define ROUTER_ROUTER_H
   3
   4 #define WIN32_LEAN_AND_MEAN
   5 #include <windows.h>
   6 #include <winnt.h>
   7
   8 #include <stdio.h>
   9
  10 #include <vector>
  11 #include <string>
  12 #include <atomic>
  13 #include <mutex>
  14
  15 #include "AL/alc.h"
  16 #include "AL/al.h"
  17 #include "AL/alext.h"
  18
  19
  20 #ifndef UNUSED
  21 #if defined(__cplusplus)
  22 #define UNUSED(x)
  23 #elif defined(__GNUC__)
  24 #define UNUSED(x) UNUSED_##x __attribute__((unused))
  25 #elif defined(__LCLINT__)
  26 #define UNUSED(x) /*@unused@*/ x
  27 #else
  28 #define UNUSED(x) x
  29 #endif
  30 #endif
  31
  32 #define MAKE_ALC_VER(major, minor) (((major)<<8) | (minor))
  33
  34 struct DriverIface {
  35     std::wstring Name;
  36     HMODULE Module{nullptr};
  37     int ALCVer{0};
  38
  39     LPALCCREATECONTEXT alcCreateContext{nullptr};
  40     LPALCMAKECONTEXTCURRENT alcMakeContextCurrent{nullptr};
  41     LPALCPROCESSCONTEXT alcProcessContext{nullptr};
  42     LPALCSUSPENDCONTEXT alcSuspendContext{nullptr};
  43     LPALCDESTROYCONTEXT alcDestroyContext{nullptr};
  44     LPALCGETCURRENTCONTEXT alcGetCurrentContext{nullptr};
  45     LPALCGETCONTEXTSDEVICE alcGetContextsDevice{nullptr};
  46     LPALCOPENDEVICE alcOpenDevice{nullptr};
  47     LPALCCLOSEDEVICE alcCloseDevice{nullptr};
  48     LPALCGETERROR alcGetError{nullptr};
  49     LPALCISEXTENSIONPRESENT alcIsExtensionPresent{nullptr};
  50     LPALCGETPROCADDRESS alcGetProcAddress{nullptr};
  51     LPALCGETENUMVALUE alcGetEnumValue{nullptr};
  52     LPALCGETSTRING alcGetString{nullptr};
  53     LPALCGETINTEGERV alcGetIntegerv{nullptr};
  54     LPALCCAPTUREOPENDEVICE alcCaptureOpenDevice{nullptr};
  55     LPALCCAPTURECLOSEDEVICE alcCaptureCloseDevice{nullptr};
  56     LPALCCAPTURESTART alcCaptureStart{nullptr};
  57     LPALCCAPTURESTOP alcCaptureStop{nullptr};
  58     LPALCCAPTURESAMPLES alcCaptureSamples{nullptr};
  59
  60     PFNALCSETTHREADCONTEXTPROC alcSetThreadContext{nullptr};
  61     PFNALCGETTHREADCONTEXTPROC alcGetThreadContext{nullptr};
  62
  63     LPALENABLE alEnable{nullptr};
  64     LPALDISABLE alDisable{nullptr};
  65     LPALISENABLED alIsEnabled{nullptr};
  66     LPALGETSTRING alGetString{nullptr};
  67     LPALGETBOOLEANV alGetBooleanv{nullptr};
  68     LPALGETINTEGERV alGetIntegerv{nullptr};
  69     LPALGETFLOATV alGetFloatv{nullptr};
  70     LPALGETDOUBLEV alGetDoublev{nullptr};
  71     LPALGETBOOLEAN alGetBoolean{nullptr};
  72     LPALGETINTEGER alGetInteger{nullptr};
  73     LPALGETFLOAT alGetFloat{nullptr};
  74     LPALGETDOUBLE alGetDouble{nullptr};
  75     LPALGETERROR alGetError{nullptr};
  76     LPALISEXTENSIONPRESENT alIsExtensionPresent{nullptr};
  77     LPALGETPROCADDRESS alGetProcAddress{nullptr};
  78     LPALGETENUMVALUE alGetEnumValue{nullptr};
  79     LPALLISTENERF alListenerf{nullptr};
  80     LPALLISTENER3F alListener3f{nullptr};
  81     LPALLISTENERFV alListenerfv{nullptr};
  82     LPALLISTENERI alListeneri{nullptr};
  83     LPALLISTENER3I alListener3i{nullptr};
  84     LPALLISTENERIV alListeneriv{nullptr};
  85     LPALGETLISTENERF alGetListenerf{nullptr};
  86     LPALGETLISTENER3F alGetListener3f{nullptr};
  87     LPALGETLISTENERFV alGetListenerfv{nullptr};
  88     LPALGETLISTENERI alGetListeneri{nullptr};
  89     LPALGETLISTENER3I alGetListener3i{nullptr};
  90     LPALGETLISTENERIV alGetListeneriv{nullptr};
  91     LPALGENSOURCES alGenSources{nullptr};
  92     LPALDELETESOURCES alDeleteSources{nullptr};
  93     LPALISSOURCE alIsSource{nullptr};
  94     LPALSOURCEF alSourcef{nullptr};
  95     LPALSOURCE3F alSource3f{nullptr};
  96     LPALSOURCEFV alSourcefv{nullptr};
  97     LPALSOURCEI alSourcei{nullptr};
  98     LPALSOURCE3I alSource3i{nullptr};
  99     LPALSOURCEIV alSourceiv{nullptr};
 100     LPALGETSOURCEF alGetSourcef{nullptr};
 101     LPALGETSOURCE3F alGetSource3f{nullptr};
 102     LPALGETSOURCEFV alGetSourcefv{nullptr};
 103     LPALGETSOURCEI alGetSourcei{nullptr};
 104     LPALGETSOURCE3I alGetSource3i{nullptr};
 105     LPALGETSOURCEIV alGetSourceiv{nullptr};
 106     LPALSOURCEPLAYV alSourcePlayv{nullptr};
 107     LPALSOURCESTOPV alSourceStopv{nullptr};
 108     LPALSOURCEREWINDV alSourceRewindv{nullptr};
 109     LPALSOURCEPAUSEV alSourcePausev{nullptr};
 110     LPALSOURCEPLAY alSourcePlay{nullptr};
 111     LPALSOURCESTOP alSourceStop{nullptr};
 112     LPALSOURCEREWIND alSourceRewind{nullptr};
 113     LPALSOURCEPAUSE alSourcePause{nullptr};
 114     LPALSOURCEQUEUEBUFFERS alSourceQueueBuffers{nullptr};
 115     LPALSOURCEUNQUEUEBUFFERS alSourceUnqueueBuffers{nullptr};
 116     LPALGENBUFFERS alGenBuffers{nullptr};
 117     LPALDELETEBUFFERS alDeleteBuffers{nullptr};
 118     LPALISBUFFER alIsBuffer{nullptr};
 119     LPALBUFFERF alBufferf{nullptr};
 120     LPALBUFFER3F alBuffer3f{nullptr};
 121     LPALBUFFERFV alBufferfv{nullptr};
 122     LPALBUFFERI alBufferi{nullptr};
 123     LPALBUFFER3I alBuffer3i{nullptr};
 124     LPALBUFFERIV alBufferiv{nullptr};
 125     LPALGETBUFFERF alGetBufferf{nullptr};
 126     LPALGETBUFFER3F alGetBuffer3f{nullptr};
 127     LPALGETBUFFERFV alGetBufferfv{nullptr};
 128     LPALGETBUFFERI alGetBufferi{nullptr};
 129     LPALGETBUFFER3I alGetBuffer3i{nullptr};
 130     LPALGETBUFFERIV alGetBufferiv{nullptr};
 131     LPALBUFFERDATA alBufferData{nullptr};
 132     LPALDOPPLERFACTOR alDopplerFactor{nullptr};
 133     LPALDOPPLERVELOCITY alDopplerVelocity{nullptr};
 134     LPALSPEEDOFSOUND alSpeedOfSound{nullptr};
 135     LPALDISTANCEMODEL alDistanceModel{nullptr};
 136
 137     DriverIface(std::wstring name, HMODULE mod)
 138       : Name(std::move(name)), Module(mod)
 139     { }
 140     ~DriverIface()
 141     {
 142         if(Module)
 143             FreeLibrary(Module);
 144         Module = nullptr;
 145     }
 146 };
 147
 148 extern std::vector<DriverIface> DriverList;
 149
 150 extern thread_local DriverIface *ThreadCtxDriver;
 151 extern std::atomic<DriverIface*> CurrentCtxDriver;
 152
 153
 154 class PtrIntMap {
 155     ALvoid **mKeys{nullptr};
 156     /* Shares memory with keys. */
 157     ALint *mValues{nullptr};
 158
 159     ALsizei mSize{0};
 160     ALsizei mCapacity{0};
 161     std::mutex mLock;
 162
 163 public:
 164     PtrIntMap() = default;
 165     ~PtrIntMap();
 166
 167     ALenum insert(ALvoid *key, ALint value);
 168     ALint removeByKey(ALvoid *key);
 169     ALint lookupByKey(ALvoid *key);
 170 };
 171
 172
 173 enum LogLevel {
 174     LogLevel_None  = 0,
 175     LogLevel_Error = 1,
 176     LogLevel_Warn  = 2,
 177     LogLevel_Trace = 3,
 178 };
 179 extern enum LogLevel LogLevel;
 180 extern FILE *LogFile;
 181
 182 #define TRACE(...) do {                                   \
 183     if(LogLevel >= LogLevel_Trace)                        \
 184     {                                                     \
 185         fprintf(LogFile, "AL Router (II): " __VA_ARGS__); \
 186         fflush(LogFile);                                  \
 187     }                                                     \
 188 } while(0)
 189 #define WARN(...) do {                                    \
 190     if(LogLevel >= LogLevel_Warn)                         \
 191     {                                                     \
 192         fprintf(LogFile, "AL Router (WW): " __VA_ARGS__); \
 193         fflush(LogFile);                                  \
 194     }                                                     \
 195 } while(0)
 196 #define ERR(...) do {                                     \
 197     if(LogLevel >= LogLevel_Error)                        \
 198     {                                                     \
 199         fprintf(LogFile, "AL Router (EE): " __VA_ARGS__); \
 200         fflush(LogFile);                                  \
 201     }                                                     \
 202 } while(0)
 203
 204 #endif /* ROUTER_ROUTER_H */