/** * Reads from inputSource. * * @param inputSource The SampleSource to read from. * @param silenceSource The source from where to read silentTailFrames silent tail frames. * @param buffer The SampleBuffer to which the samples will be written. * @param silentTailFrames Number of silent samples that will be provided at the end of inputSource. * @return True if there is more input to read. */ boolByte readInput(SampleSource inputSource, SampleSource silenceSource, SampleBuffer buffer, unsigned long silentTailFrames) { unsigned long framesRead; unsigned long bufferSize = buffer->blocksize; inputSource->readSampleBlock(inputSource, buffer); framesRead = buffer->blocksize; //buffer->blocksize tells how man frames have been read from inputSource, during tail period it will be 0. //We are not done until framesRead < bufferSize and silenceSource->numSamplesProcessed/buffer->numChannels == silentTailFrames if(framesRead == bufferSize) { return true; // more input } else if(framesRead < bufferSize) { unsigned long remainingSilence = silentTailFrames - silenceSource->numSamplesProcessed/buffer->numChannels; // 0 < remainingSilence <= silentTailFrames unsigned long numberOfFrames = remainingSilence < (bufferSize - framesRead) ? remainingSilence : (bufferSize - framesRead); // 0 < numberOfFrames <= bufferSize SampleBuffer silenceBuffer = newSampleBuffer(buffer->numChannels, numberOfFrames); if(!silenceSource->readSampleBlock(silenceSource, silenceBuffer)) { logInternalError("SilentSource does not behave correct."); } buffer->blocksize = framesRead + numberOfFrames; // 0 < buffer->blocksize <= bufferSize. sampleBufferCopyAndMapChannelsWithOffset(buffer, framesRead, silenceBuffer, 0, numberOfFrames); freeSampleBuffer(silenceBuffer); return silenceSource->numSamplesProcessed/buffer->numChannels != silentTailFrames; } else { logInternalError("framesRead > bufferSize"); return false; //stop here. } }
/** * Writes to outputSource. * * @param outputSource The SampleSource to write to. * @param silenceSource The source from where to write skipHeadFrames frames. * @param buffer The SampleBuffer with the samples to be written. * @param skipHeadFrames Number of frames to ignore before writing to outputSource. */ void writeOutput(SampleSource outputSource, SampleSource silenceSource, SampleBuffer buffer, unsigned long skipHeadFrames) { unsigned long framesSkiped = silenceSource->numSamplesProcessed / buffer->numChannels; unsigned long framesProcessed = framesSkiped + outputSource->numSamplesProcessed / buffer->numChannels; unsigned long nextBlockStart = framesProcessed + buffer->blocksize; if(framesProcessed != getAudioClock()->currentFrame) { logInternalError("framesProcessed (%lu) != getAudioClock()->currentFrame (%lu)", framesProcessed, getAudioClock()->currentFrame); } //Cut the delay at the start if( nextBlockStart <= skipHeadFrames ) { // Cutting away the whole block. nothing is written to the outputSource silenceSource->writeSampleBlock(silenceSource, buffer); } else if(framesProcessed < skipHeadFrames && skipHeadFrames < nextBlockStart) { SampleBuffer sourceBuffer = newSampleBuffer(buffer->numChannels, buffer->blocksize);//blocksize < skipHeadFrames unsigned long skippedFrames = skipHeadFrames - framesProcessed; unsigned long soundFrames = nextBlockStart - skipHeadFrames; // Cutting away start part of the block. sourceBuffer->blocksize = skippedFrames; sampleBufferCopyAndMapChannelsWithOffset(sourceBuffer, 0, buffer, 0, sourceBuffer->blocksize); silenceSource->writeSampleBlock(silenceSource, sourceBuffer); // Writing remaining end part of the block. sourceBuffer->blocksize = soundFrames; sampleBufferCopyAndMapChannelsWithOffset(sourceBuffer, 0, buffer, skippedFrames, sourceBuffer->blocksize); outputSource->writeSampleBlock(outputSource, sourceBuffer); freeSampleBuffer(sourceBuffer); } else { // skipHeadFrames <= framesProcessed // Normal case: Nothing more to cut. The whole block shall be written. outputSource->writeSampleBlock(outputSource, buffer); } }
HEFFECT D3DCore_Impl::Effect_Load(const WCHAR *filename, DWORD size) { if(m_bSilent) return 0; DWORD _size; FilePtr pf; SampleSource* SSource = NULL; void *data; if(m_pADevice) { if(size) { data=(void *)filename; _size=size; } else { data=File_Load(filename, &_size); if(!data) return NULL; } pf = CreateMemoryFile(data, _size); if(pf.get() != NULL) { SSource = OpenSampleSource( pf.get() ); if(!SSource) { System_Log(L"[AUDIERE - ERROR] %s - Can't create sound effect", filename); } SSource->ref(); } if(!size) File_Free(data); return (HEFFECT)SSource; } else return 0; }
void D3DCore_Impl::Effect_Free(HEFFECT eff) { if(m_pADevice && eff != 0) { SampleSource* SSource = (SampleSource*)eff; SSource->unref(); } }
void freeSampleSource(SampleSource self) { if (self != NULL) { self->freeSampleSourceData(self->extraData); freeCharString(self->sourceName); free(self); } }
bool PlayerAudiere::open(QUrl fname, long start, long length) { file = ToLocalFile(fname); SampleSource* source = OpenSampleSource(file.toLocal8Bit(), FF_AUTODETECT); stream = OpenSound(device, source, true); if(stream) { int ch, sr; SampleFormat sf; source->getFormat(ch, sr, sf); stream->setVolume(float(svolume)/100); _start = start * sr / 75; _length = length * sr / 75; if(!_length) _length = stream->getLength() - _start; } else { _start = _length = 0; } return stream; }
static ReturnCodes setupOutputSource(SampleSource outputSource) { if(outputSource == NULL) { return RETURN_CODE_INVALID_ARGUMENT; } if(!outputSource->openSampleSource(outputSource, SAMPLE_SOURCE_OPEN_WRITE)) { logError("Output source '%s' could not be opened", outputSource->sourceName->data); return RETURN_CODE_IO_ERROR; } return RETURN_CODE_SUCCESS; }
static ReturnCodes setupInputSource(SampleSource inputSource) { if(inputSource == NULL) { return RETURN_CODE_INVALID_ARGUMENT; } if(inputSource->sampleSourceType == SAMPLE_SOURCE_TYPE_PCM) { sampleSourcePcmSetSampleRate(inputSource, getSampleRate()); sampleSourcePcmSetNumChannels(inputSource, getNumChannels()); } if(!inputSource->openSampleSource(inputSource, SAMPLE_SOURCE_OPEN_READ)) { logError("Input source '%s' could not be opened", inputSource->sourceName->data); return RETURN_CODE_IO_ERROR; } return RETURN_CODE_SUCCESS; }
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; }
void freeSampleSource(SampleSource sampleSource) { sampleSource->freeSampleSourceData(sampleSource->extraData); freeCharString(sampleSource->sourceName); free(sampleSource); }