Java AL10.alBufferData方法代碼示例

import org.lwjgl.openal.AL10; //導入方法依賴的package包/類
private void allocate(){
	ByteBuffer buffer = ResourceLoader.getBytes(path);
	IntBuffer error = BufferUtils.createIntBuffer(1);
	long decoder = stb_vorbis_open_memory(buffer, error, null);
	if(decoder == 0L){
		Application.error("Unable to open STB Vorbis");
		return;
	}
	
	STBVorbisInfo info = STBVorbisInfo.malloc();
	
	stb_vorbis_get_info(decoder, info);
	
	int channels = info.channels();
	int lengthSamples = stb_vorbis_stream_length_in_samples(decoder);
	ShortBuffer pcm = BufferUtils.createShortBuffer(lengthSamples);
	pcm.limit(stb_vorbis_get_samples_short_interleaved(decoder, channels, pcm) * channels);
	stb_vorbis_close(decoder);
	
	AL10.alBufferData(id, info.channels() == 1? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16, pcm, info.sample_rate());
}
 

import org.lwjgl.openal.AL10; //導入方法依賴的package包/類
private boolean fill(int bufferID) {
    tempBuffer.clear();
    int length = read(tempBytes);
    if (length <= 0) {
        if (isLoop) {
            reset();
            renderedSeconds = 0;
            length = read(tempBytes);
            if (length <= 0) return false;
        } else {
            return false;
        }
    }
    tempBuffer.put(tempBytes, 0, length).flip();
    AL10.alBufferData(bufferID, format, tempBuffer, sampleRate);
    return true;
}
 

import org.lwjgl.openal.AL10; //導入方法依賴的package包/類
/**
 * Stream one section from the mod/xm into an OpenAL buffer
 * 
 * @param bufferId The ID of the buffer to fill
 * @return True if another section was available
 */
public boolean stream(int bufferId) {
	int frames = sectionSize;
	boolean reset = false;
	boolean more = true;
	
	if (frames > songDuration) {
		frames = songDuration;
		reset = true;
	}
	
	ibxm.get_audio(data, frames);
	bufferData.clear();
	bufferData.put(data);
	bufferData.limit(frames * 4);
	
	if (reset) {
		if (loop) {
			ibxm.seek(0); 
			ibxm.set_module(module);
			songDuration = ibxm.calculate_song_duration();
		} else {
			more = false;
			songDuration -= frames;
		}
	} else {
		songDuration -= frames;
	}

	bufferData.flip();
	AL10.alBufferData(bufferId, AL10.AL_FORMAT_STEREO16, bufferData, 48000);
	
	return more;
}
 

import org.lwjgl.openal.AL10; //導入方法依賴的package包/類
protected void setup(byte[] pcm, int channels, int sampleRate) {
    int bytes = pcm.length - (pcm.length % (channels > 1 ? 4 : 2));
    int samples = bytes / (2 * channels);
    duration = samples / (double) sampleRate;
    ByteBuffer buffer = (ByteBuffer) BufferUtils.createByteBuffer(bytes).put(pcm, 0, bytes).flip();
    if (bufferID == -1) {
        bufferID = AL10.alGenBuffers(); // Failed to flush core dump. Minidumps are not enabled by default on client versions of Windows
        AL10.alBufferData(bufferID, channels > 1 ? AL10.AL_FORMAT_STEREO16 : AL10.AL_FORMAT_MONO16, buffer.asShortBuffer(), sampleRate);
    }
}
 

import org.lwjgl.openal.AL10; //導入方法依賴的package包/類
/**
 * Get the Sound based on a specified WAV file
 * 
 * @param ref The reference to the WAV file in the classpath
 * @param in The stream to the WAV to load
 * @return The Sound read from the WAV file
 * @throws IOException Indicates a failure to load the WAV
 */
public Audio getWAV(String ref, InputStream in) throws IOException {
	if (!soundWorks) {
		return new NullAudio();
	}
	if (!inited) {
		throw new RuntimeException("Can't load sounds until SoundStore is init(). Use the container init() method.");
	}
	if (deferred) {
		return new DeferredSound(ref, in, DeferredSound.WAV);
	}
	
	int buffer = -1;
	
	if (loaded.get(ref) != null) {
		buffer = ((Integer) loaded.get(ref)).intValue();
	} else {
		try {
			IntBuffer buf = BufferUtils.createIntBuffer(1);
			
			WaveData data = WaveData.create(in);
			AL10.alGenBuffers(buf);
			AL10.alBufferData(buf.get(0), data.format, data.data, data.samplerate);
			
			loaded.put(ref,new Integer(buf.get(0)));
			buffer = buf.get(0);
		} catch (Exception e) {
			Log.error(e);
			IOException x = new IOException("Failed to load: "+ref);
			x.initCause(e);
			
			throw x;
		}
	}
	
	if (buffer == -1) {
		throw new IOException("Unable to load: "+ref);
	}
	
	return new AudioImpl(this, buffer);
}
 

import org.lwjgl.openal.AL10; //導入方法依賴的package包/類
/**
 * Get the Sound based on a specified OGG file
 * 
 * @param ref The reference to the OGG file in the classpath
 * @param in The stream to the OGG to load
 * @return The Sound read from the OGG file
 * @throws IOException Indicates a failure to load the OGG
 */
public Audio getOgg(String ref, InputStream in) throws IOException {
	if (!soundWorks) {
		return new NullAudio();
	}
	if (!inited) {
		throw new RuntimeException("Can't load sounds until SoundStore is init(). Use the container init() method.");
	}
	if (deferred) {
		return new DeferredSound(ref, in, DeferredSound.OGG);
	}
	
	int buffer = -1;
	
	if (loaded.get(ref) != null) {
		buffer = ((Integer) loaded.get(ref)).intValue();
	} else {
		try {
			IntBuffer buf = BufferUtils.createIntBuffer(1);
			
			OggDecoder decoder = new OggDecoder();
			OggData ogg = decoder.getData(in);
			
			AL10.alGenBuffers(buf);
			AL10.alBufferData(buf.get(0), ogg.channels > 1 ? AL10.AL_FORMAT_STEREO16 : AL10.AL_FORMAT_MONO16, ogg.data, ogg.rate);
			
			loaded.put(ref,new Integer(buf.get(0)));
			                     
			buffer = buf.get(0);
		} catch (Exception e) {
			Log.error(e);
			Sys.alert("Error","Failed to load: "+ref+" - "+e.getMessage());
			throw new IOException("Unable to load: "+ref);
		}
	}
	
	if (buffer == -1) {
		throw new IOException("Unable to load: "+ref);
	}
	
	return new AudioImpl(this, buffer);
}