🛠️🐜 Antkeeper superbuild with dependencies included
https://antkeeper.com
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447 lines
13 KiB
447 lines
13 KiB
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#include "config.h"
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#include "router.h"
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#include <algorithm>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include "AL/alc.h"
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#include "AL/al.h"
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#include "almalloc.h"
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#include "strutils.h"
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#include "version.h"
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std::vector<DriverIfacePtr> DriverList;
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thread_local DriverIface *ThreadCtxDriver;
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enum LogLevel LogLevel = LogLevel_Error;
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FILE *LogFile;
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#ifdef __MINGW32__
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DriverIface *GetThreadDriver() noexcept { return ThreadCtxDriver; }
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void SetThreadDriver(DriverIface *driver) noexcept { ThreadCtxDriver = driver; }
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#endif
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static void LoadDriverList(void);
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BOOL APIENTRY DllMain(HINSTANCE, DWORD reason, void*)
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{
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switch(reason)
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{
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case DLL_PROCESS_ATTACH:
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LogFile = stderr;
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if(auto logfname = al::getenv("ALROUTER_LOGFILE"))
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{
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FILE *f = fopen(logfname->c_str(), "w");
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if(f == nullptr)
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ERR("Could not open log file: %s\n", logfname->c_str());
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else
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LogFile = f;
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}
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if(auto loglev = al::getenv("ALROUTER_LOGLEVEL"))
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{
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char *end = nullptr;
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long l = strtol(loglev->c_str(), &end, 0);
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if(!end || *end != '\0')
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ERR("Invalid log level value: %s\n", loglev->c_str());
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else if(l < LogLevel_None || l > LogLevel_Trace)
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ERR("Log level out of range: %s\n", loglev->c_str());
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else
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LogLevel = static_cast<enum LogLevel>(l);
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}
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TRACE("Initializing router v0.1-%s %s\n", ALSOFT_GIT_COMMIT_HASH, ALSOFT_GIT_BRANCH);
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LoadDriverList();
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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DriverList.clear();
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if(LogFile && LogFile != stderr)
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fclose(LogFile);
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LogFile = nullptr;
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break;
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}
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return TRUE;
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}
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static void AddModule(HMODULE module, const WCHAR *name)
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{
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for(auto &drv : DriverList)
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{
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if(drv->Module == module)
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{
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TRACE("Skipping already-loaded module %p\n", decltype(std::declval<void*>()){module});
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FreeLibrary(module);
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return;
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}
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if(drv->Name == name)
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{
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TRACE("Skipping similarly-named module %ls\n", name);
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FreeLibrary(module);
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return;
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}
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}
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DriverList.emplace_back(std::make_unique<DriverIface>(name, module));
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DriverIface &newdrv = *DriverList.back();
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/* Load required functions. */
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int err = 0;
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#define LOAD_PROC(x) do { \
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newdrv.x = reinterpret_cast<decltype(newdrv.x)>(reinterpret_cast<void*>( \
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GetProcAddress(module, #x))); \
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if(!newdrv.x) \
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{ \
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ERR("Failed to find entry point for %s in %ls\n", #x, name); \
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err = 1; \
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} \
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} while(0)
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LOAD_PROC(alcCreateContext);
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LOAD_PROC(alcMakeContextCurrent);
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LOAD_PROC(alcProcessContext);
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LOAD_PROC(alcSuspendContext);
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LOAD_PROC(alcDestroyContext);
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LOAD_PROC(alcGetCurrentContext);
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LOAD_PROC(alcGetContextsDevice);
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LOAD_PROC(alcOpenDevice);
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LOAD_PROC(alcCloseDevice);
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LOAD_PROC(alcGetError);
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LOAD_PROC(alcIsExtensionPresent);
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LOAD_PROC(alcGetProcAddress);
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LOAD_PROC(alcGetEnumValue);
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LOAD_PROC(alcGetString);
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LOAD_PROC(alcGetIntegerv);
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LOAD_PROC(alcCaptureOpenDevice);
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LOAD_PROC(alcCaptureCloseDevice);
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LOAD_PROC(alcCaptureStart);
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LOAD_PROC(alcCaptureStop);
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LOAD_PROC(alcCaptureSamples);
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LOAD_PROC(alEnable);
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LOAD_PROC(alDisable);
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LOAD_PROC(alIsEnabled);
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LOAD_PROC(alGetString);
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LOAD_PROC(alGetBooleanv);
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LOAD_PROC(alGetIntegerv);
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LOAD_PROC(alGetFloatv);
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LOAD_PROC(alGetDoublev);
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LOAD_PROC(alGetBoolean);
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LOAD_PROC(alGetInteger);
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LOAD_PROC(alGetFloat);
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LOAD_PROC(alGetDouble);
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LOAD_PROC(alGetError);
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LOAD_PROC(alIsExtensionPresent);
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LOAD_PROC(alGetProcAddress);
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LOAD_PROC(alGetEnumValue);
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LOAD_PROC(alListenerf);
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LOAD_PROC(alListener3f);
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LOAD_PROC(alListenerfv);
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LOAD_PROC(alListeneri);
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LOAD_PROC(alListener3i);
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LOAD_PROC(alListeneriv);
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LOAD_PROC(alGetListenerf);
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LOAD_PROC(alGetListener3f);
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LOAD_PROC(alGetListenerfv);
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LOAD_PROC(alGetListeneri);
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LOAD_PROC(alGetListener3i);
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LOAD_PROC(alGetListeneriv);
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LOAD_PROC(alGenSources);
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LOAD_PROC(alDeleteSources);
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LOAD_PROC(alIsSource);
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LOAD_PROC(alSourcef);
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LOAD_PROC(alSource3f);
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LOAD_PROC(alSourcefv);
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LOAD_PROC(alSourcei);
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LOAD_PROC(alSource3i);
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LOAD_PROC(alSourceiv);
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LOAD_PROC(alGetSourcef);
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LOAD_PROC(alGetSource3f);
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LOAD_PROC(alGetSourcefv);
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LOAD_PROC(alGetSourcei);
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LOAD_PROC(alGetSource3i);
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LOAD_PROC(alGetSourceiv);
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LOAD_PROC(alSourcePlayv);
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LOAD_PROC(alSourceStopv);
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LOAD_PROC(alSourceRewindv);
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LOAD_PROC(alSourcePausev);
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LOAD_PROC(alSourcePlay);
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LOAD_PROC(alSourceStop);
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LOAD_PROC(alSourceRewind);
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LOAD_PROC(alSourcePause);
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LOAD_PROC(alSourceQueueBuffers);
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LOAD_PROC(alSourceUnqueueBuffers);
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LOAD_PROC(alGenBuffers);
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LOAD_PROC(alDeleteBuffers);
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LOAD_PROC(alIsBuffer);
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LOAD_PROC(alBufferf);
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LOAD_PROC(alBuffer3f);
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LOAD_PROC(alBufferfv);
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LOAD_PROC(alBufferi);
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LOAD_PROC(alBuffer3i);
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LOAD_PROC(alBufferiv);
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LOAD_PROC(alGetBufferf);
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LOAD_PROC(alGetBuffer3f);
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LOAD_PROC(alGetBufferfv);
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LOAD_PROC(alGetBufferi);
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LOAD_PROC(alGetBuffer3i);
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LOAD_PROC(alGetBufferiv);
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LOAD_PROC(alBufferData);
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LOAD_PROC(alDopplerFactor);
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LOAD_PROC(alDopplerVelocity);
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LOAD_PROC(alSpeedOfSound);
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LOAD_PROC(alDistanceModel);
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if(!err)
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{
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ALCint alc_ver[2] = { 0, 0 };
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newdrv.alcGetIntegerv(nullptr, ALC_MAJOR_VERSION, 1, &alc_ver[0]);
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newdrv.alcGetIntegerv(nullptr, ALC_MINOR_VERSION, 1, &alc_ver[1]);
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if(newdrv.alcGetError(nullptr) == ALC_NO_ERROR)
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newdrv.ALCVer = MAKE_ALC_VER(alc_ver[0], alc_ver[1]);
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else
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{
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WARN("Failed to query ALC version for %ls, assuming 1.0\n", name);
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newdrv.ALCVer = MAKE_ALC_VER(1, 0);
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}
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#undef LOAD_PROC
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#define LOAD_PROC(x) do { \
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newdrv.x = reinterpret_cast<decltype(newdrv.x)>( \
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newdrv.alcGetProcAddress(nullptr, #x)); \
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if(!newdrv.x) \
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{ \
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ERR("Failed to find entry point for %s in %ls\n", #x, name); \
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err = 1; \
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} \
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} while(0)
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if(newdrv.alcIsExtensionPresent(nullptr, "ALC_EXT_thread_local_context"))
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{
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LOAD_PROC(alcSetThreadContext);
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LOAD_PROC(alcGetThreadContext);
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}
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}
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if(err)
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{
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DriverList.pop_back();
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return;
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}
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TRACE("Loaded module %p, %ls, ALC %d.%d\n", decltype(std::declval<void*>()){module}, name,
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newdrv.ALCVer>>8, newdrv.ALCVer&255);
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#undef LOAD_PROC
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}
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static void SearchDrivers(WCHAR *path)
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{
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WIN32_FIND_DATAW fdata;
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TRACE("Searching for drivers in %ls...\n", path);
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std::wstring srchPath = path;
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srchPath += L"\\*oal.dll";
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HANDLE srchHdl = FindFirstFileW(srchPath.c_str(), &fdata);
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if(srchHdl != INVALID_HANDLE_VALUE)
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{
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do {
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HMODULE mod;
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srchPath = path;
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srchPath += L"\\";
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srchPath += fdata.cFileName;
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TRACE("Found %ls\n", srchPath.c_str());
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mod = LoadLibraryW(srchPath.c_str());
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if(!mod)
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WARN("Could not load %ls\n", srchPath.c_str());
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else
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AddModule(mod, fdata.cFileName);
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} while(FindNextFileW(srchHdl, &fdata));
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FindClose(srchHdl);
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}
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}
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static WCHAR *strrchrW(WCHAR *str, WCHAR ch)
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{
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WCHAR *res = nullptr;
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while(str && *str != '\0')
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{
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if(*str == ch)
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res = str;
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++str;
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}
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return res;
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}
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static int GetLoadedModuleDirectory(const WCHAR *name, WCHAR *moddir, DWORD length)
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{
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HMODULE module = nullptr;
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WCHAR *sep0, *sep1;
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if(name)
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{
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module = GetModuleHandleW(name);
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if(!module) return 0;
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}
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if(GetModuleFileNameW(module, moddir, length) == 0)
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return 0;
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sep0 = strrchrW(moddir, '/');
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if(sep0) sep1 = strrchrW(sep0+1, '\\');
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else sep1 = strrchrW(moddir, '\\');
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if(sep1) *sep1 = '\0';
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else if(sep0) *sep0 = '\0';
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else *moddir = '\0';
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return 1;
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}
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void LoadDriverList(void)
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{
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WCHAR dll_path[MAX_PATH+1] = L"";
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WCHAR cwd_path[MAX_PATH+1] = L"";
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WCHAR proc_path[MAX_PATH+1] = L"";
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WCHAR sys_path[MAX_PATH+1] = L"";
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int len;
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if(GetLoadedModuleDirectory(L"OpenAL32.dll", dll_path, MAX_PATH))
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TRACE("Got DLL path %ls\n", dll_path);
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GetCurrentDirectoryW(MAX_PATH, cwd_path);
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len = lstrlenW(cwd_path);
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if(len > 0 && (cwd_path[len-1] == '\\' || cwd_path[len-1] == '/'))
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cwd_path[len-1] = '\0';
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TRACE("Got current working directory %ls\n", cwd_path);
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if(GetLoadedModuleDirectory(nullptr, proc_path, MAX_PATH))
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TRACE("Got proc path %ls\n", proc_path);
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GetSystemDirectoryW(sys_path, MAX_PATH);
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len = lstrlenW(sys_path);
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if(len > 0 && (sys_path[len-1] == '\\' || sys_path[len-1] == '/'))
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sys_path[len-1] = '\0';
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TRACE("Got system path %ls\n", sys_path);
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/* Don't search the DLL's path if it is the same as the current working
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* directory, app's path, or system path (don't want to do duplicate
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* searches, or increase the priority of the app or system path).
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*/
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if(dll_path[0] &&
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(!cwd_path[0] || wcscmp(dll_path, cwd_path) != 0) &&
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(!proc_path[0] || wcscmp(dll_path, proc_path) != 0) &&
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(!sys_path[0] || wcscmp(dll_path, sys_path) != 0))
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SearchDrivers(dll_path);
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if(cwd_path[0] &&
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(!proc_path[0] || wcscmp(cwd_path, proc_path) != 0) &&
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(!sys_path[0] || wcscmp(cwd_path, sys_path) != 0))
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SearchDrivers(cwd_path);
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if(proc_path[0] && (!sys_path[0] || wcscmp(proc_path, sys_path) != 0))
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SearchDrivers(proc_path);
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if(sys_path[0])
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SearchDrivers(sys_path);
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}
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PtrIntMap::~PtrIntMap()
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{
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std::lock_guard<std::mutex> maplock{mLock};
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al_free(mKeys);
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mKeys = nullptr;
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mValues = nullptr;
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mSize = 0;
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mCapacity = 0;
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}
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ALenum PtrIntMap::insert(void *key, int value)
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{
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std::lock_guard<std::mutex> maplock{mLock};
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auto iter = std::lower_bound(mKeys, mKeys+mSize, key);
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auto pos = static_cast<ALsizei>(std::distance(mKeys, iter));
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if(pos == mSize || mKeys[pos] != key)
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{
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if(mSize == mCapacity)
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{
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void **newkeys{nullptr};
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ALsizei newcap{mCapacity ? (mCapacity<<1) : 4};
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if(newcap > mCapacity)
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newkeys = static_cast<void**>(
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al_calloc(16, (sizeof(mKeys[0])+sizeof(mValues[0]))*newcap)
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);
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if(!newkeys)
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return AL_OUT_OF_MEMORY;
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auto newvalues = reinterpret_cast<int*>(&newkeys[newcap]);
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if(mKeys)
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{
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std::copy_n(mKeys, mSize, newkeys);
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std::copy_n(mValues, mSize, newvalues);
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}
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al_free(mKeys);
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mKeys = newkeys;
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mValues = newvalues;
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mCapacity = newcap;
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}
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if(pos < mSize)
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{
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std::copy_backward(mKeys+pos, mKeys+mSize, mKeys+mSize+1);
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std::copy_backward(mValues+pos, mValues+mSize, mValues+mSize+1);
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}
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mSize++;
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}
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mKeys[pos] = key;
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mValues[pos] = value;
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return AL_NO_ERROR;
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}
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int PtrIntMap::removeByKey(void *key)
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{
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int ret = -1;
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std::lock_guard<std::mutex> maplock{mLock};
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auto iter = std::lower_bound(mKeys, mKeys+mSize, key);
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auto pos = static_cast<ALsizei>(std::distance(mKeys, iter));
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if(pos < mSize && mKeys[pos] == key)
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{
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ret = mValues[pos];
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if(pos+1 < mSize)
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{
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std::copy(mKeys+pos+1, mKeys+mSize, mKeys+pos);
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std::copy(mValues+pos+1, mValues+mSize, mValues+pos);
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}
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mSize--;
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}
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return ret;
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}
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int PtrIntMap::lookupByKey(void *key)
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{
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int ret = -1;
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std::lock_guard<std::mutex> maplock{mLock};
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auto iter = std::lower_bound(mKeys, mKeys+mSize, key);
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auto pos = static_cast<ALsizei>(std::distance(mKeys, iter));
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if(pos < mSize && mKeys[pos] == key)
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ret = mValues[pos];
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return ret;
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}
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