void World_WaitForQuit(struct World *inWorld, bool unload_plugins)
{
try {
inWorld->hw->mQuitProgram->wait();
World_Cleanup(inWorld, unload_plugins);
} catch (std::exception& exc) {
scprintf("Exception in World_WaitForQuit: %s\n", exc.what());
} catch (...) {
}
}
void World_WaitForQuit(struct World *inWorld)
{
try {
inWorld->hw->mQuitProgram->Acquire();
World_Cleanup(inWorld);
} catch (std::exception& exc) {
scprintf("Exception in World_WaitForQuit: %s\n", exc.what());
} catch (...) {
}
}
void World_NonRealTimeSynthesis(struct World *world, WorldOptions *inOptions)
{
if (inOptions->mLoadGraphDefs) {
World_LoadGraphDefs(world);
}
int bufLength = world->mBufLength;
int fileBufFrames = inOptions->mPreferredHardwareBufferFrameSize;
if (fileBufFrames <= 0) fileBufFrames = 8192;
int bufMultiple = (fileBufFrames + bufLength - 1) / bufLength;
fileBufFrames = bufMultiple * bufLength;
// batch process non real time audio
if (!inOptions->mNonRealTimeOutputFilename)
throw std::runtime_error("Non real time output filename is NULL.\n");
SF_INFO inputFileInfo, outputFileInfo;
float *inputFileBuf = 0;
float *outputFileBuf = 0;
int numInputChannels = 0;
int numOutputChannels;
outputFileInfo.samplerate = inOptions->mPreferredSampleRate;
numOutputChannels = outputFileInfo.channels = world->mNumOutputs;
sndfileFormatInfoFromStrings(&outputFileInfo,
inOptions->mNonRealTimeOutputHeaderFormat, inOptions->mNonRealTimeOutputSampleFormat);
world->hw->mNRTOutputFile = sf_open(inOptions->mNonRealTimeOutputFilename, SFM_WRITE, &outputFileInfo);
sf_command(world->hw->mNRTOutputFile, SFC_SET_CLIPPING, NULL, SF_TRUE);
if (!world->hw->mNRTOutputFile)
throw std::runtime_error("Couldn't open non real time output file.\n");
outputFileBuf = (float*)calloc(1, world->mNumOutputs * fileBufFrames * sizeof(float));
if (inOptions->mNonRealTimeInputFilename) {
world->hw->mNRTInputFile = sf_open(inOptions->mNonRealTimeInputFilename, SFM_READ, &inputFileInfo);
if (!world->hw->mNRTInputFile)
throw std::runtime_error("Couldn't open non real time input file.\n");
inputFileBuf = (float*)calloc(1, inputFileInfo.channels * fileBufFrames * sizeof(float));
if (world->mNumInputs != (uint32)inputFileInfo.channels)
scprintf("WARNING: input file channels didn't match number of inputs specified in options.\n");
numInputChannels = world->mNumInputs = inputFileInfo.channels; // force it.
if (inputFileInfo.samplerate != (int)inOptions->mPreferredSampleRate)
scprintf("WARNING: input file sample rate does not equal output sample rate.\n");
} else {
world->hw->mNRTInputFile = 0;
}
FILE *cmdFile;
if (inOptions->mNonRealTimeCmdFilename) {
#ifdef _WIN32
cmdFile = fopen(inOptions->mNonRealTimeCmdFilename, "rb");
#else
cmdFile = fopen(inOptions->mNonRealTimeCmdFilename, "r");
#endif
} else cmdFile = stdin;
if (!cmdFile)
throw std::runtime_error("Couldn't open non real time command file.\n");
OSC_Packet packet;
memset(&packet, 0, sizeof(packet));
packet.mData = (char *)malloc(8192);
packet.mIsBundle = true;
packet.mReplyAddr.mReplyFunc = null_reply_func;
int64 schedTime;
if (nextOSCPacket(cmdFile, &packet, schedTime))
throw std::runtime_error("command file empty.\n");
int64 prevTime = schedTime;
World_SetSampleRate(world, inOptions->mPreferredSampleRate);
World_Start(world);
int64 oscTime = 0;
double oscToSeconds = 1. / pow(2.,32.);
double oscToSamples = inOptions->mPreferredSampleRate * oscToSeconds;
int64 oscInc = (int64)((double)bufLength / oscToSamples);
if(inOptions->mVerbosity >= 0) {
printf("start time %g\n", schedTime * oscToSeconds);
}
bool run = true;
int inBufStep = numInputChannels * bufLength;
int outBufStep = numOutputChannels * bufLength;
float* inputBuses = world->mAudioBus + world->mNumOutputs * bufLength;
float* outputBuses = world->mAudioBus;
int32* inputTouched = world->mAudioBusTouched + world->mNumOutputs;
int32* outputTouched = world->mAudioBusTouched;
for (; run;) {
int bufFramesCalculated = 0;
float* inBufPos = inputFileBuf;
float* outBufPos = outputFileBuf;
if (world->hw->mNRTInputFile) {
int framesRead = sf_readf_float(world->hw->mNRTInputFile, inputFileBuf, fileBufFrames);
if (framesRead < fileBufFrames) {
memset(inputFileBuf + framesRead * numInputChannels, 0,
(fileBufFrames - framesRead) * numInputChannels * sizeof(float));
}
}
for (int i=0; i<bufMultiple && run; ++i) {
int bufCounter = world->mBufCounter;
// deinterleave input to input buses
if (inputFileBuf) {
float *inBus = inputBuses;
for (int j=0; j<numInputChannels; ++j, inBus += bufLength) {
float *inFileBufPtr = inBufPos + j;
for (int k=0; k<bufLength; ++k) {
inBus[k] = *inFileBufPtr;
inFileBufPtr += numInputChannels;
}
inputTouched[j] = bufCounter;
}
}
// execute ready commands
int64 nextTime = oscTime + oscInc;
while (schedTime <= nextTime) {
float diffTime = (float)(schedTime - oscTime) * oscToSamples + 0.5;
float diffTimeFloor = floor(diffTime);
world->mSampleOffset = (int)diffTimeFloor;
world->mSubsampleOffset = diffTime - diffTimeFloor;
if (world->mSampleOffset < 0) world->mSampleOffset = 0;
else if (world->mSampleOffset >= bufLength) world->mSampleOffset = bufLength-1;
PerformOSCBundle(world, &packet);
if (nextOSCPacket(cmdFile, &packet, schedTime)) { run = false; break; }
if(inOptions->mVerbosity >= 0) {
printf("nextOSCPacket %g\n", schedTime * oscToSeconds);
}
if (schedTime < prevTime) {
scprintf("ERROR: Packet time stamps out-of-order.\n");
run = false;
goto Bail;
}
prevTime = schedTime;
}
World_Run(world);
// interleave output to output buffer
float *outBus = outputBuses;
for (int j=0; j<numOutputChannels; ++j, outBus += bufLength) {
float *outFileBufPtr = outBufPos + j;
if (outputTouched[j] == bufCounter) {
for (int k=0; k<bufLength; ++k) {
*outFileBufPtr = outBus[k];
outFileBufPtr += numOutputChannels;
}
} else {
for (int k=0; k<bufLength; ++k) {
*outFileBufPtr = 0.f;
outFileBufPtr += numOutputChannels;
}
}
}
bufFramesCalculated += bufLength;
inBufPos += inBufStep;
outBufPos += outBufStep;
world->mBufCounter++;
oscTime = nextTime;
}
Bail:
// write output
sf_writef_float(world->hw->mNRTOutputFile, outputFileBuf, bufFramesCalculated);
}
if (cmdFile != stdin) fclose(cmdFile);
sf_close(world->hw->mNRTOutputFile);
world->hw->mNRTOutputFile = 0;
if (world->hw->mNRTInputFile) {
sf_close(world->hw->mNRTInputFile);
world->hw->mNRTInputFile = 0;
}
free(packet.mData);
World_Cleanup(world,true);
}
World* World_New(WorldOptions *inOptions)
{
#if (_POSIX_MEMLOCK - 0) >= 200112L
if (inOptions->mMemoryLocking && inOptions->mRealTime)
{
bool lock_memory = false;
rlimit limit;
int failure = getrlimit(RLIMIT_MEMLOCK, &limit);
if (failure)
scprintf("getrlimit failure\n");
else
{
if (limit.rlim_cur == RLIM_INFINITY and
limit.rlim_max == RLIM_INFINITY)
lock_memory = true;
else
scprintf("memory locking disabled due to resource limiting\n");
if (lock_memory)
{
if (mlockall(MCL_FUTURE) != -1)
scprintf("memory locking enabled.\n");
}
}
}
#endif
World *world = 0;
try {
static bool gLibInitted = false;
if (!gLibInitted) {
InterfaceTable_Init();
initialize_library(inOptions->mUGensPluginPath);
initializeScheduler();
gLibInitted = true;
}
world = (World*)zalloc(1, sizeof(World));
world->hw = (HiddenWorld*)zalloc(1, sizeof(HiddenWorld));
world->hw->mAllocPool = new AllocPool(malloc, free, inOptions->mRealTimeMemorySize * 1024, 0);
world->hw->mQuitProgram = new boost::sync::semaphore(0);
world->hw->mTerminating = false;
HiddenWorld *hw = world->hw;
hw->mGraphDefLib = new HashTable<struct GraphDef, Malloc>(&gMalloc, inOptions->mMaxGraphDefs, false);
hw->mNodeLib = new IntHashTable<Node, AllocPool>(hw->mAllocPool, inOptions->mMaxNodes, false);
hw->mUsers = new Clients();
hw->mMaxUsers = inOptions->mMaxLogins;
hw->mAvailableClientIDs = new ClientIDs();
for (int i = 0; i<hw->mMaxUsers; i++) {
hw->mAvailableClientIDs->push_back(i);
}
hw->mClientIDdict = new ClientIDDict();
hw->mHiddenID = -8;
hw->mRecentID = -8;
world->mNumUnits = 0;
world->mNumGraphs = 0;
world->mNumGroups = 0;
world->mBufCounter = 0;
world->mBufLength = inOptions->mBufLength;
world->mSampleOffset = 0;
world->mSubsampleOffset = 0.f;
world->mNumAudioBusChannels = inOptions->mNumAudioBusChannels;
world->mNumControlBusChannels = inOptions->mNumControlBusChannels;
world->mNumInputs = inOptions->mNumInputBusChannels;
world->mNumOutputs = inOptions->mNumOutputBusChannels;
world->mVerbosity = inOptions->mVerbosity;
world->mErrorNotification = 1; // i.e., 0x01 | 0x02
world->mLocalErrorNotification = 0;
if (inOptions->mSharedMemoryID) {
server_shared_memory_creator::cleanup(inOptions->mSharedMemoryID);
hw->mShmem = new server_shared_memory_creator(inOptions->mSharedMemoryID, inOptions->mNumControlBusChannels);
world->mControlBus = hw->mShmem->get_control_busses();
} else {
hw->mShmem = 0;
world->mControlBus = (float*)zalloc(world->mNumControlBusChannels, sizeof(float));
}
world->mNumSharedControls = 0;
world->mSharedControls = inOptions->mSharedControls;
int numsamples = world->mBufLength * world->mNumAudioBusChannels;
world->mAudioBus = (float*)zalloc(numsamples, sizeof(float));
world->mAudioBusTouched = (int32*)zalloc(inOptions->mNumAudioBusChannels, sizeof(int32));
world->mControlBusTouched = (int32*)zalloc(inOptions->mNumControlBusChannels, sizeof(int32));
world->mNumSndBufs = inOptions->mNumBuffers;
world->mSndBufs = (SndBuf*)zalloc(world->mNumSndBufs, sizeof(SndBuf));
world->mSndBufsNonRealTimeMirror = (SndBuf*)zalloc(world->mNumSndBufs, sizeof(SndBuf));
world->mSndBufUpdates = (SndBufUpdates*)zalloc(world->mNumSndBufs, sizeof(SndBufUpdates));
GroupNodeDef_Init();
int err = Group_New(world, 0, &world->mTopGroup);
if (err) throw err;
world->mRealTime = inOptions->mRealTime;
world->ft = &gInterfaceTable;
world->mNumRGens = inOptions->mNumRGens;
world->mRGen = new RGen[world->mNumRGens];
for (uint32 i=0; i<world->mNumRGens; ++i) {
world->mRGen[i].init(server_timeseed());
}
world->mNRTLock = new SC_Lock();
world->mDriverLock = new SC_Lock();
if (inOptions->mPassword) {
strncpy(world->hw->mPassword, inOptions->mPassword, 31);
world->hw->mPassword[31] = 0;
} else {
world->hw->mPassword[0] = 0;
}
#ifdef __APPLE__
world->hw->mInputStreamsEnabled = inOptions->mInputStreamsEnabled;
world->hw->mOutputStreamsEnabled = inOptions->mOutputStreamsEnabled;
#endif
world->hw->mInDeviceName = inOptions->mInDeviceName;
world->hw->mOutDeviceName = inOptions->mOutDeviceName;
hw->mMaxWireBufs = inOptions->mMaxWireBufs;
hw->mWireBufSpace = 0;
world->mRendezvous = inOptions->mRendezvous;
world->mRestrictedPath = inOptions->mRestrictedPath;
sc_SetDenormalFlags();
if (world->mRealTime) {
hw->mAudioDriver = SC_NewAudioDriver(world);
hw->mAudioDriver->SetPreferredHardwareBufferFrameSize(
inOptions->mPreferredHardwareBufferFrameSize
);
hw->mAudioDriver->SetPreferredSampleRate(
inOptions->mPreferredSampleRate
);
if (inOptions->mLoadGraphDefs) {
World_LoadGraphDefs(world);
}
if (!hw->mAudioDriver->Setup()) {
scprintf("could not initialize audio.\n");
return 0;
}
if (!hw->mAudioDriver->Start()) {
scprintf("start audio failed.\n");
return 0;
}
#ifdef __APPLE__
SC::Apple::disableAppNap();
#endif
} else {
hw->mAudioDriver = 0;
}
if (!scsynth::asioThreadStarted()){
scsynth::startAsioThread();
}
} catch (std::exception& exc) {
scprintf("Exception in World_New: %s\n", exc.what());
World_Cleanup(world,true);
return 0;
} catch (...) {
}
return world;
}
int main(int argc, char* argv[])
{
setlinebuf(stdout);
#ifdef _WIN32
#ifdef SC_WIN32_STATIC_PTHREADS
// initialize statically linked pthreads library
pthread_win32_process_attach_np();
#endif
// initialize winsock
WSAData wsaData;
int nCode;
if ((nCode = WSAStartup(MAKEWORD(1, 1), &wsaData)) != 0) {
scprintf( "WSAStartup() failed with error code %d.\n", nCode );
return 1;
}
#endif
int udpPortNum = -1;
int tcpPortNum = -1;
WorldOptions options = kDefaultWorldOptions;
for (int i=1; i<argc;) {
if (argv[i][0] != '-' || argv[i][1] == 0 || strchr("utaioczblndpmwZrNSDIOMHvRUhPL", argv[i][1]) == 0) {
scprintf("ERROR: Invalid option %s\n", argv[i]);
Usage();
}
int j = i;
switch (argv[j][1]) {
case 'u' :
checkNumArgs(2);
udpPortNum = atoi(argv[j+1]);
break;
case 't' :
checkNumArgs(2);
tcpPortNum = atoi(argv[j+1]);
break;
case 'a' :
checkNumArgs(2);
options.mNumAudioBusChannels = atoi(argv[j+1]);
break;
case 'i' :
checkNumArgs(2);
options.mNumInputBusChannels = atoi(argv[j+1]);
break;
case 'o' :
checkNumArgs(2);
options.mNumOutputBusChannels = atoi(argv[j+1]);
break;
case 'c' :
checkNumArgs(2);
options.mNumControlBusChannels = atoi(argv[j+1]);
break;
case 'z' :
checkNumArgs(2);
options.mBufLength = NEXTPOWEROFTWO(atoi(argv[j+1]));
break;
case 'Z' :
checkNumArgs(2);
options.mPreferredHardwareBufferFrameSize = NEXTPOWEROFTWO(atoi(argv[j+1]));
break;
case 'b' :
checkNumArgs(2);
options.mNumBuffers = NEXTPOWEROFTWO(atoi(argv[j+1]));
break;
case 'l' :
checkNumArgs(2);
options.mMaxLogins = NEXTPOWEROFTWO(atoi(argv[j+1]));
break;
case 'n' :
checkNumArgs(2);
options.mMaxNodes = NEXTPOWEROFTWO(atoi(argv[j+1]));
break;
case 'd' :
checkNumArgs(2);
options.mMaxGraphDefs = NEXTPOWEROFTWO(atoi(argv[j+1]));
break;
case 'p' :
checkNumArgs(2);
options.mPassword = argv[j+1];
break;
case 'm' :
checkNumArgs(2);
options.mRealTimeMemorySize = atoi(argv[j+1]);
break;
case 'w' :
checkNumArgs(2);
options.mMaxWireBufs = atoi(argv[j+1]);
break;
case 'r' :
checkNumArgs(2);
options.mNumRGens = atoi(argv[j+1]);
break;
case 'S' :
checkNumArgs(2);
options.mPreferredSampleRate = (uint32)atof(argv[j+1]);
break;
case 'D' :
checkNumArgs(2);
options.mLoadGraphDefs = atoi(argv[j+1]);
break;
case 'N' :
#ifdef NO_LIBSNDFILE
scprintf("NRT mode not supported: scsynth compiled without libsndfile\n");
exit(0);
#endif
// -N cmd-filename input-filename output-filename sample-rate header-format sample-format
checkNumArgs(7);
options.mRealTime = false;
options.mNonRealTimeCmdFilename = strcmp(argv[j+1], "_") ? argv[j+1] : 0;
options.mNonRealTimeInputFilename = strcmp(argv[j+2], "_") ? argv[j+2] : 0;
options.mNonRealTimeOutputFilename = argv[j+3];
options.mPreferredSampleRate = (uint32)atof(argv[j+4]);
options.mNonRealTimeOutputHeaderFormat = argv[j+5];
options.mNonRealTimeOutputSampleFormat = argv[j+6];
break;
#ifdef __APPLE__
case 'I' :
checkNumArgs(2);
options.mInputStreamsEnabled = argv[j+1];
break;
case 'O' :
checkNumArgs(2);
options.mOutputStreamsEnabled = argv[j+1];
break;
case 'M':
#endif
case 'H' :
checkNumArgs(2);
options.mInDeviceName = argv[j+1];
#ifdef __APPLE__
if (i+1>argc || argv[j+2][0]=='-')
{
options.mOutDeviceName = options.mInDeviceName;
}
else
{
// If there's a second argument then the user wants separate I/O devices
options.mOutDeviceName = argv[j+2];
++i;
}
#else
options.mOutDeviceName = options.mInDeviceName; // Non-Mac platforms always use same device
#endif
break;
case 'L' :
checkNumArgs(1);
#if (_POSIX_MEMLOCK - 0) >= 200112L
options.mMemoryLocking = true;
#else
options.mMemoryLocking = false;
#endif
break;
case 'v' :
checkNumArgs(2);
options.mVerbosity = atoi(argv[j+1]);
break;
case 'R' :
checkNumArgs(2);
options.mRendezvous = atoi(argv[j+1]) > 0;
break;
case 'U' :
checkNumArgs(2);
options.mUGensPluginPath = argv[j+1];
break;
case 'P' :
checkNumArgs(2);
options.mRestrictedPath = argv[j+1];
break;
case 'h':
default: Usage();
}
}
if (udpPortNum == -1 && tcpPortNum == -1 && options.mRealTime) {
scprintf("ERROR: There must be a -u and/or a -t options, or -N for nonrealtime.\n");
Usage();
}
if (options.mNumInputBusChannels + options.mNumOutputBusChannels > options.mNumAudioBusChannels) {
scprintf("ERROR: number of audio bus channels < inputs + outputs.\n");
Usage();
}
struct World *world = World_New(&options);
if (!world) return 1;
if (!options.mRealTime) {
#ifdef NO_LIBSNDFILE
return 1;
#else
int exitCode = 0;
try {
World_NonRealTimeSynthesis(world, &options);
} catch (std::exception& exc) {
scprintf("%s\n", exc.what());
exitCode = 1;
}
return exitCode;
#endif
}
if (udpPortNum >= 0) {
if (!World_OpenUDP(world, udpPortNum)) {
World_Cleanup(world);
return 1;
}
}
if (tcpPortNum >= 0) {
if (!World_OpenTCP(world, tcpPortNum, options.mMaxLogins, 8)) {
World_Cleanup(world);
return 1;
}
}
if(options.mVerbosity >=0){
#ifdef NDEBUG
scprintf("SuperCollider 3 server ready.\n");
#else
scprintf("SuperCollider 3 server ready (debug build).\n");
#endif
}
fflush(stdout);
World_WaitForQuit(world);
#ifdef _WIN32
// clean up winsock
WSACleanup();
#ifdef SC_WIN32_STATIC_PTHREADS
// clean up statically linked pthreads
pthread_win32_process_detach_np();
#endif // SC_WIN32_STATIC_PTHREADS
#endif // _WIN32
return 0;
}