SampleSource newSampleSourcePcm(const CharString sampleSourceName) {
SampleSource sampleSource = (SampleSource)malloc(sizeof(SampleSourceMembers));
SampleSourcePcmData extraData = (SampleSourcePcmData)malloc(sizeof(SampleSourcePcmDataMembers));
sampleSource->sampleSourceType = SAMPLE_SOURCE_TYPE_PCM;
sampleSource->openedAs = SAMPLE_SOURCE_OPEN_NOT_OPENED;
sampleSource->sourceName = newCharString();
charStringCopy(sampleSource->sourceName, sampleSourceName);
sampleSource->numSamplesProcessed = 0;
sampleSource->openSampleSource = openSampleSourcePcm;
sampleSource->readSampleBlock = readBlockFromPcmFile;
sampleSource->writeSampleBlock = writeBlockToPcmFile;
sampleSource->closeSampleSource = _closeSampleSourcePcm;
sampleSource->freeSampleSourceData = freeSampleSourceDataPcm;
extraData->isStream = false;
extraData->isLittleEndian = true;
extraData->fileHandle = NULL;
extraData->dataBufferNumItems = 0;
extraData->interlacedPcmDataBuffer = NULL;
extraData->numChannels = (unsigned short)getNumChannels();
extraData->sampleRate = (unsigned int)getSampleRate();
extraData->bitsPerSample = 16;
sampleSource->extraData = extraData;
return sampleSource;
}
SampleSource _newSampleSourceWave(const CharString sampleSourceName)
{
SampleSource sampleSource = (SampleSource)malloc(sizeof(SampleSourceMembers));
SampleSourcePcmData extraData = (SampleSourcePcmData)malloc(sizeof(SampleSourcePcmDataMembers));
sampleSource->sampleSourceType = SAMPLE_SOURCE_TYPE_WAVE;
sampleSource->openedAs = SAMPLE_SOURCE_OPEN_NOT_OPENED;
sampleSource->sourceName = newCharString();
charStringCopy(sampleSource->sourceName, sampleSourceName);
sampleSource->numSamplesProcessed = 0;
sampleSource->openSampleSource = _openSampleSourceWave;
sampleSource->readSampleBlock = _readBlockFromWaveFile;
sampleSource->writeSampleBlock = _writeBlockToWaveFile;
sampleSource->closeSampleSource = _closeSampleSourceWave;
sampleSource->freeSampleSourceData = freeSampleSourceDataPcm;
extraData->isStream = false;
extraData->isLittleEndian = true;
extraData->fileHandle = NULL;
// Assume default values for these items. However, if an incoming SampleBuffer
// has different values for the channel count or blocksize, then we will reassign
// based on those values.
extraData->dataBufferNumItems = getNumChannels() * getBlocksize();
extraData->pcmSampleBuffer = newPcmSampleBuffer(getNumChannels(), getBlocksize(), getBitDepth());
extraData->numChannels = (unsigned short)getNumChannels();
extraData->sampleRate = (unsigned int)getSampleRate();
extraData->bitDepth = kBitDepthDefault;
sampleSource->extraData = extraData;
return sampleSource;
}
boolByte errorReportCopyFileToReport(ErrorReporter self, CharString path) {
boolByte success = false;
CharString destination = newCharString();
charStringCopy(destination, path);
errorReporterRemapPath(self, destination);
success = copyFileToDirectory(path, self->reportDirPath);
freeCharString(destination);
return success;
}
void errorReporterRemapPath(ErrorReporter self, CharString path) {
CharString basename = newCharString();
CharString outString = newCharStringWithCapacity(path->capacity);
charStringCopyCString(basename, getFileBasename(path->data));
buildAbsolutePath(self->reportDirPath, basename, NULL, outString);
charStringCopy(path, outString);
freeCharString(basename);
freeCharString(outString);
}
void getFileDirname(const CharString filename, CharString outString) {
const char *lastDelimiter;
if(filename == NULL) {
return;
}
lastDelimiter = strrchr(filename->data, PATH_DELIMITER);
if(lastDelimiter == NULL) {
charStringCopy(outString, filename);
}
else {
strncpy(outString->data, filename->data, lastDelimiter - filename->data);
}
}
void errorReporterRemapPath(ErrorReporter self, CharString path) {
File pathAsFile = newFileWithPath(path);
CharString basename = fileGetBasename(pathAsFile);
File parent = newFileWithPath(self->reportDirPath);
File remappedPath = newFileWithParent(parent, basename);
charStringCopy(path, remappedPath->absolutePath);
freeCharString(basename);
freeFile(parent);
freeFile(pathAsFile);
freeFile(remappedPath);
}
SampleSource newSampleSourceWave(const CharString sampleSourceName) {
SampleSource sampleSource = (SampleSource)malloc(sizeof(SampleSourceMembers));
#if HAVE_LIBAUDIOFILE
SampleSourceAudiofileData extraData = (SampleSourceAudiofileData)malloc(sizeof(SampleSourceAudiofileDataMembers));
#else
SampleSourcePcmData extraData = (SampleSourcePcmData)malloc(sizeof(SampleSourcePcmDataMembers));
#endif
sampleSource->sampleSourceType = SAMPLE_SOURCE_TYPE_WAVE;
sampleSource->openedAs = SAMPLE_SOURCE_OPEN_NOT_OPENED;
sampleSource->sourceName = newCharString();
charStringCopy(sampleSource->sourceName, sampleSourceName);
sampleSource->numSamplesProcessed = 0;
sampleSource->openSampleSource = _openSampleSourceWave;
#if HAVE_LIBAUDIOFILE
sampleSource->readSampleBlock = readBlockFromAudiofile;
sampleSource->writeSampleBlock = writeBlockToAudiofile;
sampleSource->freeSampleSourceData = freeSampleSourceDataAudiofile;
sampleSource->closeSampleSource = closeSampleSourceAudiofile;
#else
sampleSource->readSampleBlock = _readBlockFromWaveFile;
sampleSource->writeSampleBlock = _writeBlockToWaveFile;
sampleSource->closeSampleSource = closeSampleSourceWave;
sampleSource->freeSampleSourceData = freeSampleSourceDataPcm;
#endif
#if HAVE_LIBAUDIOFILE
extraData->fileHandle = NULL;
extraData->interlacedBuffer = NULL;
extraData->pcmBuffer = NULL;
#else
extraData->isStream = false;
extraData->isLittleEndian = true;
extraData->fileHandle = NULL;
extraData->dataBufferNumItems = 0;
extraData->interlacedPcmDataBuffer = NULL;
extraData->numChannels = (unsigned short)getNumChannels();
extraData->sampleRate = (unsigned int)getSampleRate();
extraData->bitsPerSample = 16;
#endif
sampleSource->extraData = extraData;
return sampleSource;
}
Plugin newPluginPassthru(const CharString pluginName) {
Plugin plugin = _newPlugin(PLUGIN_TYPE_INTERNAL, PLUGIN_TYPE_EFFECT);
charStringCopy(plugin->pluginName, pluginName);
charStringCopyCString(plugin->pluginLocation, "Internal");
plugin->openPlugin = _pluginPassthruOpen;
plugin->displayInfo = _pluginPassthruDisplayInfo;
plugin->getSetting = _pluginPassthruGetSetting;
plugin->prepareForProcessing = _pluginPassthruEmpty;
plugin->processAudio = _pluginPassthruProcessAudio;
plugin->processMidiEvents = _pluginPassthruProcessMidiEvents;
plugin->setParameter = _pluginPassthruSetParameter;
plugin->closePlugin = _pluginPassthruEmpty;
plugin->freePluginData = _pluginPassthruEmpty;
plugin->extraData = NULL;
return plugin;
}
MidiSource newMidiSourceFile(const CharString midiSourceName)
{
MidiSource midiSource = (MidiSource)malloc(sizeof(MidiSourceMembers));
MidiSourceFileData extraData = (MidiSourceFileData)malloc(sizeof(MidiSourceFileDataMembers));
midiSource->midiSourceType = MIDI_SOURCE_TYPE_FILE;
midiSource->sourceName = newCharString();
charStringCopy(midiSource->sourceName, midiSourceName);
midiSource->openMidiSource = _openMidiSourceFile;
midiSource->readMidiEvents = _readMidiEventsFile;
midiSource->freeMidiSourceData = _freeMidiEventsFile;
extraData->divisionType = TIME_DIVISION_TYPE_INVALID;
extraData->fileHandle = NULL;
midiSource->extraData = extraData;
return midiSource;
}
Plugin newPluginSilence(const CharString pluginName) {
Plugin plugin = _newPlugin(PLUGIN_TYPE_INTERNAL, PLUGIN_TYPE_INSTRUMENT);
charStringCopy(plugin->pluginName, pluginName);
charStringCopyCString(plugin->pluginLocation, "Internal");
plugin->openPlugin = _pluginSilenceOpen;
plugin->displayInfo = _pluginSilenceDisplayInfo;
plugin->getSetting = _pluginSilenceGetSetting;
plugin->prepareForProcessing = _pluginSilenceEmpty;
plugin->showEditor = _pluginSilenceEmpty;
plugin->processAudio = _pluginSilenceProcessAudio;
plugin->processMidiEvents = _pluginSilenceProcessMidiEvents;
plugin->setParameter = _pluginSilenceSetParameter;
plugin->closePlugin = _pluginSilenceEmpty;
plugin->freePluginData = _pluginSilenceEmpty;
plugin->extraData = NULL;
return plugin;
}
boolByte errorReportCopyFileToReport(ErrorReporter self, CharString path) {
boolByte success;
// Copy the destination path so that the original is not modified
CharString destination = newCharString();
charStringCopy(destination, path);
errorReporterRemapPath(self, destination);
File reportDirPath = newFileWithPath(self->reportDirPath);
File distinationPath = newFileWithPath(path);
File result = fileCopyTo(distinationPath, reportDirPath);
success = fileExists(result);
freeCharString(destination);
freeFile(reportDirPath);
freeFile(distinationPath);
freeFile(result);
return success;
}
void buildAbsolutePath(const CharString directory, const CharString file, const char* fileExtension, CharString outString) {
const char* extension;
CharString absoluteDirectory;
if(directory == NULL || charStringIsEmpty(directory)) {
logWarn("Attempt to build absolute path with empty directory");
return;
}
if(file == NULL || charStringIsEmpty(file)) {
logWarn("Attempt to build absolute path with empty file");
return;
}
absoluteDirectory = newCharString();
if(isAbsolutePath(directory)) {
charStringCopy(absoluteDirectory, directory);
}
else {
convertRelativePathToAbsolute(directory, absoluteDirectory);
}
if(fileExtension != NULL) {
// Ignore attempts to append the same extension as is already on the file
extension = getFileExtension(file->data);
if(extension != NULL && !strncasecmp(extension, fileExtension, strlen(extension))) {
buildAbsolutePath(absoluteDirectory, file, NULL, outString);
}
else {
snprintf(outString->data, outString->length, "%s%c%s.%s",
absoluteDirectory->data, PATH_DELIMITER, file->data, fileExtension);
}
}
else {
snprintf(outString->data, outString->length, "%s%c%s",
absoluteDirectory->data, PATH_DELIMITER, file->data);
}
freeCharString(absoluteDirectory);
}
Plugin newPluginGain(const CharString pluginName) {
Plugin plugin = _newPlugin(PLUGIN_TYPE_INTERNAL, PLUGIN_TYPE_EFFECT);
PluginGainSettings settings =
(PluginGainSettings)malloc(sizeof(PluginGainSettingsMembers));
charStringCopy(plugin->pluginName, pluginName);
charStringCopyCString(plugin->pluginLocation, "Internal");
plugin->openPlugin = _pluginGainOpen;
plugin->displayInfo = _pluginGainDisplayInfo;
plugin->getSetting = _pluginGainGetSetting;
plugin->prepareForProcessing = _pluginGainEmpty;
plugin->showEditor = _pluginGainEmpty;
plugin->processAudio = _pluginGainProcessAudio;
plugin->processMidiEvents = _pluginGainProcessMidiEvents;
plugin->setParameter = _pluginGainSetParameter;
plugin->closePlugin = _pluginGainEmpty;
plugin->freePluginData = _pluginGainEmpty;
settings->gain = 1.0f;
plugin->extraData = settings;
return plugin;
}
int mrsWatsonMain(ErrorReporter errorReporter, int argc, char** argv) {
ReturnCodes result;
// Input/Output sources, plugin chain, and other required objects
SampleSource inputSource = NULL;
SampleSource outputSource = NULL;
AudioClock audioClock;
PluginChain pluginChain;
CharString pluginSearchRoot = newCharString();
boolByte shouldDisplayPluginInfo = false;
MidiSequence midiSequence = NULL;
MidiSource midiSource = NULL;
unsigned long maxTimeInMs = 0;
unsigned long maxTimeInFrames = 0;
unsigned long tailTimeInMs = 0;
unsigned long tailTimeInFrames = 0;
unsigned long processingDelayInFrames;
ProgramOptions programOptions;
ProgramOption option;
Plugin headPlugin;
SampleBuffer inputSampleBuffer = NULL;
SampleBuffer outputSampleBuffer = NULL;
TaskTimer initTimer, totalTimer, inputTimer, outputTimer = NULL;
LinkedList taskTimerList = NULL;
CharString totalTimeString = NULL;
boolByte finishedReading = false;
SampleSource silentSampleInput;
SampleSource silentSampleOutput;
unsigned int i;
initTimer = newTaskTimerWithCString(PROGRAM_NAME, "Initialization");
totalTimer = newTaskTimerWithCString(PROGRAM_NAME, "Total Time");
taskTimerStart(initTimer);
taskTimerStart(totalTimer);
initEventLogger();
initAudioSettings();
initAudioClock();
audioClock = getAudioClock();
initPluginChain();
pluginChain = getPluginChain();
programOptions = newMrsWatsonOptions();
inputSource = sampleSourceFactory(NULL);
if(!programOptionsParseArgs(programOptions, argc, argv)) {
printf("Run with '--help' to see possible options\n");
printf("Or run with '--help full' to see extended help for all options\n");
return RETURN_CODE_INVALID_ARGUMENT;
}
// These options conflict with standard processing (more or less), so check to see if the user wanted one
// of these and then exit right away.
if(argc == 1) {
printf("%s needs at least a plugin, input source, and output source to run.\n\n", PROGRAM_NAME);
printMrsWatsonQuickstart(argv[0]);
return RETURN_CODE_NOT_RUN;
}
else if(programOptions->options[OPTION_HELP]->enabled) {
printMrsWatsonQuickstart(argv[0]);
if(charStringIsEmpty(programOptionsGetString(programOptions, OPTION_HELP))) {
printf("All options, where <argument> is required and [argument] is optional:\n");
programOptionsPrintHelp(programOptions, false, DEFAULT_INDENT_SIZE);
}
else {
if(charStringIsEqualToCString(programOptionsGetString(programOptions, OPTION_HELP), "full", true)) {
programOptionsPrintHelp(programOptions, true, DEFAULT_INDENT_SIZE);
}
// Yeah this is a bit silly, but the performance obviously doesn't matter
// here and I don't feel like cluttering up this already huge function
// with more variables.
else if(programOptionsFind(programOptions, programOptionsGetString(programOptions, OPTION_HELP))) {
programOptionPrintHelp(programOptionsFind(programOptions, programOptionsGetString(programOptions, OPTION_HELP)),
true, DEFAULT_INDENT_SIZE, 0);
}
else {
printf("Invalid option '%s', try running --help full to see help for all options\n",
programOptionsGetString(programOptions, OPTION_HELP)->data);
}
}
return RETURN_CODE_NOT_RUN;
}
else if(programOptions->options[OPTION_VERSION]->enabled) {
printVersion();
return RETURN_CODE_NOT_RUN;
}
else if(programOptions->options[OPTION_COLOR_TEST]->enabled) {
printTestPattern();
return RETURN_CODE_NOT_RUN;
}
// See if we are to make an error report and make necessary changes to the
// options for good diagnostics. Note that error reports cannot be generated
// for any of the above options which return with RETURN_CODE_NOT_RUN.
else if(programOptions->options[OPTION_ERROR_REPORT]->enabled) {
errorReporterInitialize(errorReporter);
programOptions->options[OPTION_VERBOSE]->enabled = true;
programOptions->options[OPTION_LOG_FILE]->enabled = true;
programOptions->options[OPTION_DISPLAY_INFO]->enabled = true;
// Shell script with original command line arguments
errorReporterCreateLauncher(errorReporter, argc, argv);
// Rewrite some paths before any input or output sources have been opened.
_remapFileToErrorReport(errorReporter, programOptions->options[OPTION_INPUT_SOURCE], true);
_remapFileToErrorReport(errorReporter, programOptions->options[OPTION_OUTPUT_SOURCE], false);
_remapFileToErrorReport(errorReporter, programOptions->options[OPTION_MIDI_SOURCE], true);
_remapFileToErrorReport(errorReporter, programOptions->options[OPTION_LOG_FILE], false);
}
// Read in options from a configuration file, if given
if(programOptions->options[OPTION_CONFIG_FILE]->enabled) {
if(!programOptionsParseConfigFile(programOptions, programOptionsGetString(programOptions, OPTION_CONFIG_FILE))) {
return RETURN_CODE_INVALID_ARGUMENT;
}
}
// Parse these options first so that log messages displayed in the below
// loop are properly displayed
if(programOptions->options[OPTION_VERBOSE]->enabled) {
setLogLevel(LOG_DEBUG);
}
else if(programOptions->options[OPTION_QUIET]->enabled) {
setLogLevel(LOG_ERROR);
}
else if(programOptions->options[OPTION_LOG_LEVEL]->enabled) {
setLogLevelFromString(programOptionsGetString(programOptions, OPTION_LOG_LEVEL));
}
if(programOptions->options[OPTION_COLOR_LOGGING]->enabled) {
// If --color was given but with no string argument, then force color. Otherwise
// colors will be provided automatically anyways.
if(charStringIsEmpty(programOptionsGetString(programOptions, OPTION_COLOR_LOGGING))) {
programOptionsSetCString(programOptions, OPTION_COLOR_LOGGING, "force");
}
setLoggingColorEnabledWithString(programOptionsGetString(programOptions, OPTION_COLOR_LOGGING));
}
if(programOptions->options[OPTION_LOG_FILE]->enabled) {
setLogFile(programOptionsGetString(programOptions, OPTION_LOG_FILE));
}
// Parse other options and set up necessary objects
for(i = 0; i < programOptions->numOptions; i++) {
option = programOptions->options[i];
if(option->enabled) {
switch(option->index) {
case OPTION_BLOCKSIZE:
setBlocksize((const unsigned long)programOptionsGetNumber(programOptions, OPTION_BLOCKSIZE));
break;
case OPTION_CHANNELS:
setNumChannels((const unsigned long)programOptionsGetNumber(programOptions, OPTION_CHANNELS));
break;
case OPTION_DISPLAY_INFO:
shouldDisplayPluginInfo = true;
break;
case OPTION_INPUT_SOURCE:
freeSampleSource(inputSource);
inputSource = sampleSourceFactory(programOptionsGetString(programOptions, OPTION_INPUT_SOURCE));
break;
case OPTION_MAX_TIME:
maxTimeInMs = (const unsigned long)programOptionsGetNumber(programOptions, OPTION_MAX_TIME);
break;
case OPTION_MIDI_SOURCE:
midiSource = newMidiSource(guessMidiSourceType(programOptionsGetString(
programOptions, OPTION_MIDI_SOURCE)),
programOptionsGetString(programOptions, OPTION_MIDI_SOURCE));
break;
case OPTION_OUTPUT_SOURCE:
outputSource = sampleSourceFactory(programOptionsGetString(programOptions, OPTION_OUTPUT_SOURCE));
break;
case OPTION_PLUGIN_ROOT:
charStringCopy(pluginSearchRoot, programOptionsGetString(programOptions, OPTION_PLUGIN_ROOT));
break;
case OPTION_SAMPLE_RATE:
setSampleRate(programOptionsGetNumber(programOptions, OPTION_SAMPLE_RATE));
break;
case OPTION_TAIL_TIME:
tailTimeInMs = (long)programOptionsGetNumber(programOptions, OPTION_TAIL_TIME);
break;
case OPTION_TEMPO:
setTempo(programOptionsGetNumber(programOptions, OPTION_TEMPO));
break;
case OPTION_TIME_SIGNATURE:
if(!setTimeSignatureFromString(programOptionsGetString(programOptions, OPTION_TIME_SIGNATURE))) {
return RETURN_CODE_INVALID_ARGUMENT;
}
break;
case OPTION_ZEBRA_SIZE:
setLoggingZebraSize((int)programOptionsGetNumber(programOptions, OPTION_ZEBRA_SIZE));
break;
default:
// Ignore -- no special handling needs to be performed here
break;
}
}
}
if(programOptions->options[OPTION_LIST_PLUGINS]->enabled) {
listAvailablePlugins(pluginSearchRoot);
return RETURN_CODE_NOT_RUN;
}
if(programOptions->options[OPTION_LIST_FILE_TYPES]->enabled) {
sampleSourcePrintSupportedTypes();
return RETURN_CODE_NOT_RUN;
}
printWelcomeMessage(argc, argv);
if((result = setupInputSource(inputSource)) != RETURN_CODE_SUCCESS) {
logError("Input source could not be opened, exiting");
return result;
}
if((result = buildPluginChain(pluginChain, programOptionsGetString(programOptions, OPTION_PLUGIN),
pluginSearchRoot)) != RETURN_CODE_SUCCESS) {
logError("Plugin chain could not be constructed, exiting");
return result;
}
if(midiSource != NULL) {
result = setupMidiSource(midiSource, &midiSequence);
if(result != RETURN_CODE_SUCCESS) {
logError("MIDI source could not be opened, exiting");
return result;
}
}
// Copy plugins before they have been opened
if(programOptions->options[OPTION_ERROR_REPORT]->enabled) {
if(errorReporterShouldCopyPlugins()) {
if(!errorReporterCopyPlugins(errorReporter, pluginChain)) {
logWarn("Failed copying plugins to error report directory");
}
}
}
// Initialize the plugin chain after the global sample rate has been set
result = pluginChainInitialize(pluginChain);
if(result != RETURN_CODE_SUCCESS) {
logError("Could not initialize plugin chain");
return result;
}
// Display info for plugins in the chain before checking for valid input/output sources
if(shouldDisplayPluginInfo) {
pluginChainInspect(pluginChain);
}
// Execute any parameter changes
if(programOptions->options[OPTION_PARAMETER]->enabled) {
if(!pluginChainSetParameters(pluginChain, programOptionsGetList(programOptions, OPTION_PARAMETER))) {
return RETURN_CODE_INVALID_ARGUMENT;
}
}
// Setup output source here. Having an invalid output source should not cause the program
// to exit if the user only wants to list plugins or query info about a chain.
if((result = setupOutputSource(outputSource)) != RETURN_CODE_SUCCESS) {
logError("Output source could not be opened, exiting");
return result;
}
// Verify input/output sources. This must be done after the plugin chain is initialized
// otherwise the head plugin type is not known, which influences whether we must abort
// processing.
if(programOptions->options[OPTION_ERROR_REPORT]->enabled) {
if(charStringIsEqualToCString(inputSource->sourceName, "-", false) ||
charStringIsEqualToCString(outputSource->sourceName, "-", false)) {
printf("ERROR: Using stdin/stdout is incompatible with --error-report\n");
return RETURN_CODE_NOT_RUN;
}
if(midiSource != NULL && charStringIsEqualToCString(midiSource->sourceName, "-", false)) {
printf("ERROR: MIDI source from stdin is incompatible with --error-report\n");
return RETURN_CODE_NOT_RUN;
}
}
if(outputSource == NULL) {
logInternalError("Default output sample source was null");
return RETURN_CODE_INTERNAL_ERROR;
}
if(inputSource == NULL || inputSource->sampleSourceType == SAMPLE_SOURCE_TYPE_SILENCE) {
// If the first plugin in the chain is an instrument, use the silent source as our input and
// make sure that there is a corresponding MIDI file
headPlugin = pluginChain->plugins[0];
if(headPlugin->pluginType == PLUGIN_TYPE_INSTRUMENT) {
if(midiSource == NULL) {
// I guess some instruments (like white noise generators etc.) don't necessarily
// need MIDI, actually this is most useful for our internal plugins and generators.
// Anyways, this should only be a soft warning for those who know what they're doing.
logWarn("Plugin chain contains an instrument, but no MIDI source was supplied");
if(maxTimeInMs == 0) {
// However, if --max-time wasn't given, then there is effectively no input source
// and thus processing would continue forever. That won't work.
logError("No valid input source or maximum time, don't know when to stop processing");
return RETURN_CODE_MISSING_REQUIRED_OPTION;
}
else {
// If maximum time was given and there is no other input source, then use silence
inputSource = newSampleSourceSilence();
}
}
}
else {
logError("Plugin chain contains only effects, but no input source was supplied");
return RETURN_CODE_MISSING_REQUIRED_OPTION;
}
}
inputSampleBuffer = newSampleBuffer(getNumChannels(), getBlocksize());
inputTimer = newTaskTimerWithCString(PROGRAM_NAME, "Input Source");
outputSampleBuffer = newSampleBuffer(getNumChannels(), getBlocksize());
outputTimer = newTaskTimerWithCString(PROGRAM_NAME, "Output Source");
// Initialization is finished, we should be able to free this memory now
freeProgramOptions(programOptions);
// If a maximum time was given, figure it out here
if(maxTimeInMs > 0) {
maxTimeInFrames = (unsigned long)(maxTimeInMs * getSampleRate()) / 1000l;
}
processingDelayInFrames = pluginChainGetProcessingDelay(pluginChain);
// Get largest tail time requested by any plugin in the chain
tailTimeInMs += pluginChainGetMaximumTailTimeInMs(pluginChain);
tailTimeInFrames = (unsigned long)(tailTimeInMs * getSampleRate()) / 1000l + processingDelayInFrames;
pluginChainPrepareForProcessing(pluginChain);
// Update sample rate on the event logger
setLoggingZebraSize((long)getSampleRate());
logInfo("Starting processing input source");
logDebug("Sample rate: %.0f", getSampleRate());
logDebug("Blocksize: %d", getBlocksize());
logDebug("Channels: %d", getNumChannels());
logDebug("Tempo: %.2f", getTempo());
logDebug("Processing delay frames: %lu", processingDelayInFrames);
logDebug("Time signature: %d/%d", getTimeSignatureBeatsPerMeasure(), getTimeSignatureNoteValue());
taskTimerStop(initTimer);
silentSampleInput = sampleSourceFactory(NULL);
silentSampleOutput = sampleSourceFactory(NULL);
// Main processing loop
while(!finishedReading) {
taskTimerStart(inputTimer);
finishedReading = !readInput(inputSource, silentSampleInput, inputSampleBuffer, tailTimeInFrames);
// TODO: For streaming MIDI, we would need to read in events from source here
if(midiSequence != NULL) {
LinkedList midiEventsForBlock = newLinkedList();
// MIDI source overrides the value set to finishedReading by the input source
finishedReading = !fillMidiEventsFromRange(midiSequence, audioClock->currentFrame, getBlocksize(), midiEventsForBlock);
linkedListForeach(midiEventsForBlock, _processMidiMetaEvent, &finishedReading);
pluginChainProcessMidi(pluginChain, midiEventsForBlock);
freeLinkedList(midiEventsForBlock);
}
taskTimerStop(inputTimer);
if(maxTimeInFrames > 0 && audioClock->currentFrame >= maxTimeInFrames) {
logInfo("Maximum time reached, stopping processing after this block");
finishedReading = true;
}
pluginChainProcessAudio(pluginChain, inputSampleBuffer, outputSampleBuffer);
taskTimerStart(outputTimer);
if(finishedReading) {
outputSampleBuffer->blocksize = inputSampleBuffer->blocksize;//The input buffer size has been adjusted.
logDebug("Using buffer size of %d for final block", outputSampleBuffer->blocksize);
}
writeOutput(outputSource, silentSampleOutput, outputSampleBuffer, processingDelayInFrames);
taskTimerStop(outputTimer);
advanceAudioClock(audioClock, outputSampleBuffer->blocksize);
}
// Close file handles for input/output sources
silentSampleInput->closeSampleSource(silentSampleInput);
silentSampleOutput->closeSampleSource(silentSampleOutput);
inputSource->closeSampleSource(inputSource);
outputSource->closeSampleSource(outputSource);
// Print out statistics about each plugin's time usage
// TODO: On windows, the total processing time is stored in clocks and not milliseconds
// These values must be converted using the QueryPerformanceFrequency() function
audioClockStop(audioClock);
taskTimerStop(totalTimer);
if(totalTimer->totalTaskTime > 0) {
taskTimerList = newLinkedList();
linkedListAppend(taskTimerList, initTimer);
linkedListAppend(taskTimerList, inputTimer);
linkedListAppend(taskTimerList, outputTimer);
for(i = 0; i < pluginChain->numPlugins; i++) {
linkedListAppend(taskTimerList, pluginChain->audioTimers[i]);
linkedListAppend(taskTimerList, pluginChain->midiTimers[i]);
}
totalTimeString = taskTimerHumanReadbleString(totalTimer);
logInfo("Total processing time %s, approximate breakdown:", totalTimeString->data);
linkedListForeach(taskTimerList, _printTaskTime, totalTimer);
}
else {
// Woo-hoo!
logInfo("Total processing time <1ms. Either something went wrong, or your computer is smokin' fast!");
}
freeTaskTimer(initTimer);
freeTaskTimer(inputTimer);
freeTaskTimer(outputTimer);
freeTaskTimer(totalTimer);
freeLinkedList(taskTimerList);
freeCharString(totalTimeString);
if(midiSequence != NULL) {
logInfo("Read %ld MIDI events from %s",
midiSequence->numMidiEventsProcessed,
midiSource->sourceName->data);
}
else {
logInfo("Read %ld frames from %s",
inputSource->numSamplesProcessed / getNumChannels(),
inputSource->sourceName->data);
}
logInfo("Wrote %ld frames to %s",
outputSource->numSamplesProcessed / getNumChannels(),
outputSource->sourceName->data);
// Shut down and free data (will also close open files, plugins, etc)
logInfo("Shutting down");
freeSampleSource(inputSource);
freeSampleSource(outputSource);
freeSampleBuffer(inputSampleBuffer);
freeSampleBuffer(outputSampleBuffer);
pluginChainShutdown(pluginChain);
freePluginChain(pluginChain);
if(midiSource != NULL) {
freeMidiSource(midiSource);
}
if(midiSequence != NULL) {
freeMidiSequence(midiSequence);
}
freeAudioSettings();
logInfo("Goodbye!");
freeEventLogger();
freeAudioClock(getAudioClock());
if(errorReporter->started) {
errorReporterClose(errorReporter);
}
freeErrorReporter(errorReporter);
return RETURN_CODE_SUCCESS;
}
static void _programOptionSetString(ProgramOption self, const CharString value) {
if(self->type == kProgramOptionTypeString) {
charStringCopy(self->_data.string, value);
}
}
void errorReporterInitialize(ErrorReporter self)
{
CharString infoText = newCharStringWithCString(kErrorReportInfoText);
CharString wrappedInfoText;
time_t now;
size_t length;
size_t i;
printf("=== Starting error report ===\n");
wrappedInfoText = charStringWrap(infoText, 0);
// The second newline here is intentional
printf("%s\n", wrappedInfoText->data);
time(&now);
self->started = true;
snprintf(self->reportName->data, self->reportName->capacity,
"MrsWatson Report %s", ctime(&now));
// Trim the final newline character from this string if it exists
length = strlen(self->reportName->data);
if (self->reportName->data[length - 1] == '\n') {
self->reportName->data[length - 1] = '\0';
length--;
}
for (i = 0; i < length; i++) {
if (!(charStringIsLetter(self->reportName, i) ||
charStringIsNumber(self->reportName, i))) {
self->reportName->data[i] = '-';
}
}
#if UNIX
snprintf(self->desktopPath->data, self->desktopPath->capacity,
"%s/Desktop", getenv("HOME"));
#elif WINDOWS
SHGetFolderPathA(NULL, CSIDL_DESKTOPDIRECTORY, NULL, 0, self->desktopPath->data);
#endif
// Try to place the report on the user's desktop. However, if we cannot find
// the desktop (which may occur with localized Linux installations, for instance),
// then just dump it in the current directory instead.
File desktopPath = newFileWithPath(self->desktopPath);
File reportPath;
if (!fileExists(desktopPath)) {
logWarn("Could not find desktop location, placing error report in current directory instead");
CharString currentDirString = fileGetCurrentDirectory();
File currentDir = newFileWithPath(currentDirString);
reportPath = newFileWithParent(currentDir, self->reportName);
freeFile(currentDir);
freeCharString(currentDirString);
} else {
reportPath = newFileWithParent(desktopPath, self->reportName);
freeFile(desktopPath);
}
if (fileExists(reportPath)) {
logCritical("The path '%s' already contains a previous error report. Please remove the report data and try again.");
} else {
fileCreate(reportPath, kFileTypeDirectory);
}
// Now we should have a real error report path
charStringCopy(self->reportDirPath, reportPath->absolutePath);
freeFile(reportPath);
freeCharString(wrappedInfoText);
freeCharString(infoText);
}