/** * Tests the creation of n sources in on go */ protected void CreateAllSources() { int lastError; //make bytbuffer that can hold sourcesToCreate sources IntBuffer sources = BufferUtils.createIntBuffer(sourcesToCreate); //Create sourcesToCreate sources in one fell swoop try { sources.position(0).limit(sourcesToCreate); AL10.alGenSources(sources); //delete sources sources.position(0).limit(sourcesToCreate); AL10.alDeleteSources(sources); System.out.println("created " + sourcesToCreate + " sources successfully!"); } catch (OpenALException oale) { System.out.println("Unable to create " + sourcesToCreate + " sources"); } }
/** * Runs the actual test, using supplied arguments */ protected void execute(String[] args) { //parse 1st arg to sourcecount if (args.length > 0) { try { sourcesToCreate = Integer.parseInt(args[0]); } catch (NumberFormatException nfe) { System.out.println( "Unable to parse parameter to integer. Defaulting to 64 sources."); } } System.out.print("Creating " + sourcesToCreate + " in one go..."); try { CreateAllSources(); } catch(OpenALException oale) { oale.printStackTrace(); } System.out.print("Creating " + sourcesToCreate + " one at a time..."); try { CreateSourcesStep(); } catch(Exception e) { e.printStackTrace(); } //shutdown alExit(); }
/** * Tests if n sources can be created one at a time */ protected void CreateSourcesStep() { int lastError; int sourcesCreated = 0; //make bytbuffer that can hold sourcesToCreate sources IntBuffer[] sources = new IntBuffer[sourcesToCreate]; //create the sources try { for (int i = 0; i < sourcesToCreate; i++) { sources[i] = BufferUtils.createIntBuffer(1); sources[i].position(0).limit(1); AL10.alGenSources(sources[i]); if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) { break; } sourcesCreated++; } } catch (OpenALException oale) { System.out.println("failed to create source: " + (sourcesCreated + 1)); } //delete allocated sources for (int i = 0; i < sourcesCreated; i++) { //delete buffers and sources sources[i].position(0).limit(1); AL10.alDeleteSources(sources[i]); } if(sourcesCreated != sourcesToCreate) { System.out.println("created " + sourcesCreated + " sources before failing"); } else { System.out.println("created " + sourcesCreated + " sources successfully!"); } }
private final void generateSources(int max) { ArrayList list = new ArrayList(); for (int i = 0; i < max; i++) { try { AudioSource source = new AudioSource(); list.add(source); } catch (OpenALException e) { break; } } sources = new AudioSource[list.size()]; list.toArray(sources); }
private int getSource() { IntBuffer temp = BufferUtils.createIntBuffer(1); try { alGenSources(temp); if (alGetError() == AL_NO_ERROR) { return temp.get(0); } } catch (OpenALException e) { } return -1; }
/** * Runs the actual test, using supplied arguments */ protected void execute(String[] args) { int lastError = ALC10.ALC_NO_ERROR; IntBuffer sampleCount = BufferUtils.createIntBuffer(1); int state = AL10.AL_PLAYING; int FMT = AL10.AL_FORMAT_MONO16; int FMTSIZE = 16/8; int FREQ = 44100; int TIME = 5; int SAMPS = (FREQ * TIME); ByteBuffer buf = BufferUtils.createByteBuffer(SAMPS * FMTSIZE); // check that capture is available if(!ALC10.alcIsExtensionPresent(AL.getDevice(), "ALC_EXT_CAPTURE")) { throw new OpenALException("ALC_EXT_CAPTURE extension not available"); } // get list of devices String[] captureDevices = ALC10.alcGetString(null, ALC11.ALC_CAPTURE_DEVICE_SPECIFIER).split("\0"); System.out.println("Available Capture Devices: "); for(int i=0; i<captureDevices.length; i++) { System.out.println(i + ": " + captureDevices[i]); } String defaultRecorder = ALC10.alcGetString(AL.getDevice(), ALC11.ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER); System.out.println("Default capture device: " + defaultRecorder); ALCdevice device = ALC11.alcCaptureOpenDevice(null, FREQ, FMT, SAMPS); if(device != null) { // record some sound // ===================================== System.out.print("Recording using " + ALC10.alcGetString(device, ALC11.ALC_CAPTURE_DEVICE_SPECIFIER) + "..."); ALC11.alcCaptureStart(device); while (sampleCount.get(0) < SAMPS) { pause(1000); ALC10.alcGetInteger(device, ALC11.ALC_CAPTURE_SAMPLES, sampleCount); } System.out.println("done"); ALC11.alcCaptureStop(device); // capure the samples ALC11.alcCaptureSamples(device, buf, SAMPS); ALC11.alcCaptureCloseDevice(device); // ------------------------------------- // play back recording // =================== IntBuffer buffers = BufferUtils.createIntBuffer(1); IntBuffer sources = BufferUtils.createIntBuffer(1); buffers.position(0).limit(1); AL10.alGenBuffers(buffers); sources.position(0).limit(1); AL10.alGenSources(sources); System.out.print("Playing..."); AL10.alBufferData(buffers.get(0), FMT, buf, FREQ); AL10.alSourcei(sources.get(0), AL10.AL_BUFFER, buffers.get(0)); AL10.alSourcei(sources.get(0), AL10.AL_LOOPING, AL10.AL_FALSE); AL10.alSourcePlay(sources.get(0)); while (state == AL10.AL_PLAYING) { pause(100); state = AL10.alGetSourcei(sources.get(0), AL10.AL_SOURCE_STATE); } System.out.println("done"); AL10.alDeleteSources(sources); AL10.alDeleteBuffers(buffers); } alExit(); }
