本文整理汇总了Java中javax.media.format.AudioFormat.SIGNED属性的典型用法代码示例。如果您正苦于以下问题：Java AudioFormat.SIGNED属性的具体用法？Java AudioFormat.SIGNED怎么用？Java AudioFormat.SIGNED使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类javax.media.format.AudioFormat的用法示例。
在下文中一共展示了AudioFormat.SIGNED属性的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getSupportedInputFormats
@Override
public Format[] getSupportedInputFormats()
{
// TODO: query AudioSystem
return new Format[] {
new AudioFormat(AudioFormat.LINEAR, -1, 8, -1, -1,
AudioFormat.SIGNED),
new AudioFormat(AudioFormat.LINEAR, -1, 16, -1,
AudioFormat.BIG_ENDIAN, AudioFormat.SIGNED),
new AudioFormat(AudioFormat.LINEAR, -1, 24, -1,
AudioFormat.BIG_ENDIAN, AudioFormat.SIGNED),
new AudioFormat(AudioFormat.LINEAR, -1, 32, -1,
AudioFormat.BIG_ENDIAN, AudioFormat.SIGNED),
new AudioFormat(AudioFormat.ULAW), // TODO: narrow down
new AudioFormat(AudioFormat.ALAW) // TODO: narrow down
};
}
示例2: readHeader
private void /* for now void */ readHeader()
throws IOException, BadHeaderException {
minLocation = getLocation(stream); // Should be zero
long contentLength = stream.getContentLength();
if ( contentLength != SourceStream.LENGTH_UNKNOWN ) {
double durationSeconds = contentLength / bytesPerSecond;
duration = new Time(durationSeconds);
maxLocation = contentLength;
} else {
maxLocation = Long.MAX_VALUE;
}
boolean signed = true;
boolean bigEndian = false;
format = new AudioFormat(AudioFormat.GSM,
8000, // sampleRate,
16, // sampleSizeInBits,
1, // channels,
bigEndian ? AudioFormat.BIG_ENDIAN :
AudioFormat.LITTLE_ENDIAN,
signed ? AudioFormat.SIGNED :
AudioFormat.UNSIGNED,
(blockSize * 8), // frameSizeInBits
Format.NOT_SPECIFIED,
Format.byteArray);
}
示例3: setInputFormat
@Override
public Format setInputFormat(Format format, int trackID)
{
final AudioFormat af = (AudioFormat) format;
if (af.getSampleSizeInBits() == 8
&& af.getSigned() == AudioFormat.SIGNED)
return null; // 8-bit is always unsigned for Wav.
if (af.getSampleSizeInBits() == 16
&& af.getSigned() == AudioFormat.UNSIGNED)
return null; // 16-bit is always signed for Wav.
return super.setInputFormat(format, trackID);
}
示例4: processData
public void processData(Buffer buf)
{
if (getMute() || buf.isDiscard() || (buf.getLength() <= 0))
{
return;
}
AudioFormat af = (AudioFormat) buf.getFormat();
byte[] data = (byte[]) buf.getData();
if (af.getEncoding().equalsIgnoreCase("LINEAR"))
{
if (af.getSampleSizeInBits() == 16)
{
int msb = 0;
int lsb = 1;
if (af.getEndian() == AudioFormat.LITTLE_ENDIAN)
{
msb = 1;
lsb = 0;
}
if (af.getSigned() == AudioFormat.SIGNED)
{
int peak = 0;
int samples = data.length / 2;
for (int i = 0; i < samples; i++)
{
int value = (data[(i * 2) + msb] << 8)
+ (data[(i * 2) + lsb] & 0xff);
if (value < 0)
{
value = -value;
}
if (value > peak)
{
peak = value;
}
}
peakLevel = peak / 32768.0f;
}
}
}
}
示例5: LiveStream
public LiveStream() {
if (videoData) {
int x, y, pos, revpos;
size = new Dimension(320, 240);
maxDataLength = size.width * size.height * 3;
rgbFormat = new RGBFormat(size, maxDataLength,
Format.byteArray,
frameRate,
24,
3, 2, 1,
3, size.width * 3,
VideoFormat.FALSE,
Format.NOT_SPECIFIED);
// generate the data
data = new byte[maxDataLength];
pos = 0;
revpos = (size.height - 1) * size.width * 3;
for (y = 0; y < size.height / 2; y++) {
for (x = 0; x < size.width; x++) {
byte value = (byte) ((y*2) & 0xFF);
data[pos++] = value;
data[pos++] = 0;
data[pos++] = 0;
data[revpos++] = value;
data[revpos++] = 0;
data[revpos++] = 0;
}
revpos -= size.width * 6;
}
} else { // audio data
audioFormat = new AudioFormat(AudioFormat.LINEAR,
8000.0,
8,
1,
Format.NOT_SPECIFIED,
AudioFormat.SIGNED,
8,
Format.NOT_SPECIFIED,
Format.byteArray);
maxDataLength = 1000;
}
thread = new Thread(this);
}
示例6: processData
public void processData(Buffer buf)
{
if (getMute() || buf.isDiscard() || (buf.getLength() <= 0))
{
return;
}
AudioFormat af = (AudioFormat) buf.getFormat();
byte[] data = (byte[]) buf.getData();
if (af.getEncoding().equalsIgnoreCase("LINEAR"))
{
if (af.getSampleSizeInBits() == 16)
{
int msb = 0;
int lsb = 1;
if (af.getEndian() == AudioFormat.LITTLE_ENDIAN)
{
msb = 1;
lsb = 0;
}
if (af.getSigned() == AudioFormat.SIGNED)
{
int peak = 0;
int samples = data.length / 2;
for (int i = 0; i < samples; i++)
{
int value = (data[(i * 2) + msb] << 8)
+ (data[(i * 2) + lsb] & 0xff);
if (value < 0)
{
value = -value;
}
if (value > peak)
{
peak = value;
}
}
peakLevel = peak / 32768.0f;
}
}
}
}
示例7: convertFormat
/**
* Convert javax.sound.sampled.AudioFormat to
* javax.media.format.AudioFormat.
*/
public static AudioFormat convertFormat(
javax.sound.sampled.AudioFormat format)
{
Encoding encoding = format.getEncoding();
int channels = format.getChannels();
float frameRate = format.getFrameRate();
int frameSize = format.getFrameSize() < 0 ? format.getFrameSize()
: (format.getFrameSize() * 8);
float sampleRate = format.getSampleRate();
int sampleSize = format.getSampleSizeInBits();
int endian = format.isBigEndian() ? AudioFormat.BIG_ENDIAN
: AudioFormat.LITTLE_ENDIAN;
int signed = Format.NOT_SPECIFIED;
String encodingString = AudioFormat.LINEAR;
if (encoding == Encoding.PCM_SIGNED)
{
signed = AudioFormat.SIGNED;
encodingString = AudioFormat.LINEAR;
} else if (encoding == Encoding.PCM_UNSIGNED)
{
signed = AudioFormat.UNSIGNED;
encodingString = AudioFormat.LINEAR;
} else if (encoding == Encoding.ALAW)
{
encodingString = AudioFormat.ALAW;
} else if (encoding == Encoding.ULAW)
{
encodingString = AudioFormat.ULAW;
} else
{
encodingString = encoding.toString();
}
AudioFormat jmfFormat = new AudioFormat(encodingString, sampleRate,
sampleSize, channels, endian, signed, frameSize, frameRate,
Format.byteArray);
return jmfFormat;
}
示例8: getSupportedInputFormats
/**
* Implements {@link Renderer#getSupportedInputFormats()}. Gets the list of
* input <tt>Format</tt>s supported by this <tt>Renderer</tt>.
*
* @return the list of input <tt>Format</tt>s supported by this
* <tt>Renderer</tt>
* @see Renderer#getSupportedInputFormats()
*/
public Format[] getSupportedInputFormats()
{
if (supportedInputFormats == null)
{
double[] supportedInputSampleRates
= new double[1 + Constants.AUDIO_SAMPLE_RATES.length];
int supportedInputSampleRateCount = 0;
supportedInputSampleRates[supportedInputSampleRateCount]
= AudioTrack.getNativeOutputSampleRate(getStreamType());
supportedInputSampleRateCount++;
System.arraycopy(
Constants.AUDIO_SAMPLE_RATES, 0,
supportedInputSampleRates, supportedInputSampleRateCount,
Constants.AUDIO_SAMPLE_RATES.length);
supportedInputSampleRateCount
+= Constants.AUDIO_SAMPLE_RATES.length;
supportedInputFormats
= new Format[2 * supportedInputSampleRateCount];
for (int i = 0; i < supportedInputSampleRateCount; i++)
{
double sampleRate = supportedInputSampleRates[i];
supportedInputFormats[2 * i]
= new AudioFormat(
AudioFormat.LINEAR,
sampleRate,
16 /* sampleSizeInBits */,
Format.NOT_SPECIFIED /* channels */,
AudioFormat.LITTLE_ENDIAN,
AudioFormat.SIGNED,
Format.NOT_SPECIFIED /* frameSizeInBits */,
Format.NOT_SPECIFIED /* frameRate */,
Format.byteArray);
supportedInputFormats[2 * i + 1]
= new AudioFormat(
AudioFormat.LINEAR,
sampleRate,
8 /* sampleSizeInBits */,
Format.NOT_SPECIFIED /* channels */,
AudioFormat.LITTLE_ENDIAN,
AudioFormat.SIGNED,
Format.NOT_SPECIFIED /* frameSizeInBits */,
Format.NOT_SPECIFIED /* frameRate */,
Format.byteArray);
}
}
return supportedInputFormats.clone();
}