本文整理汇总了Java中com.google.android.exoplayer2.C.ENCODING_PCM_32BIT属性的典型用法代码示例。如果您正苦于以下问题：Java C.ENCODING_PCM_32BIT属性的具体用法？Java C.ENCODING_PCM_32BIT怎么用？Java C.ENCODING_PCM_32BIT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com.google.android.exoplayer2.C的用法示例。
在下文中一共展示了C.ENCODING_PCM_32BIT属性的4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: getPcmEncoding
/**
* Converts a sample bit depth to a corresponding PCM encoding constant.
*
* @param bitDepth The bit depth. Supported values are 8, 16, 24 and 32.
* @return The corresponding encoding. One of {@link C#ENCODING_PCM_8BIT},
* {@link C#ENCODING_PCM_16BIT}, {@link C#ENCODING_PCM_24BIT} and
* {@link C#ENCODING_PCM_32BIT}. If the bit depth is unsupported then
* {@link C#ENCODING_INVALID} is returned.
*/
@C.PcmEncoding
public static int getPcmEncoding(int bitDepth) {
switch (bitDepth) {
case 8:
return C.ENCODING_PCM_8BIT;
case 16:
return C.ENCODING_PCM_16BIT;
case 24:
return C.ENCODING_PCM_24BIT;
case 32:
return C.ENCODING_PCM_32BIT;
default:
return C.ENCODING_INVALID;
}
}
示例2: configure
@Override
public boolean configure(int sampleRateHz, int channelCount, @C.Encoding int encoding)
throws UnhandledFormatException {
if (encoding != C.ENCODING_PCM_8BIT && encoding != C.ENCODING_PCM_16BIT
&& encoding != C.ENCODING_PCM_24BIT && encoding != C.ENCODING_PCM_32BIT) {
throw new UnhandledFormatException(sampleRateHz, channelCount, encoding);
}
if (this.sampleRateHz == sampleRateHz && this.channelCount == channelCount
&& this.encoding == encoding) {
return false;
}
this.sampleRateHz = sampleRateHz;
this.channelCount = channelCount;
this.encoding = encoding;
if (encoding == C.ENCODING_PCM_16BIT) {
buffer = EMPTY_BUFFER;
}
return true;
}
示例3: getPcmFrameSize
/**
* Returns the frame size for audio with {@code channelCount} channels in the specified encoding.
*
* @param pcmEncoding The encoding of the audio data.
* @param channelCount The channel count.
* @return The size of one audio frame in bytes.
*/
public static int getPcmFrameSize(@C.PcmEncoding int pcmEncoding, int channelCount) {
switch (pcmEncoding) {
case C.ENCODING_PCM_8BIT:
return channelCount;
case C.ENCODING_PCM_16BIT:
return channelCount * 2;
case C.ENCODING_PCM_24BIT:
return channelCount * 3;
case C.ENCODING_PCM_32BIT:
return channelCount * 4;
default:
throw new IllegalArgumentException();
}
}
示例4: queueInput
@Override
public void queueInput(ByteBuffer inputBuffer) {
// Prepare the output buffer.
int position = inputBuffer.position();
int limit = inputBuffer.limit();
int size = limit - position;
int resampledSize;
switch (encoding) {
case C.ENCODING_PCM_8BIT:
resampledSize = size * 2;
break;
case C.ENCODING_PCM_24BIT:
resampledSize = (size / 3) * 2;
break;
case C.ENCODING_PCM_32BIT:
resampledSize = size / 2;
break;
case C.ENCODING_PCM_16BIT:
case C.ENCODING_INVALID:
case Format.NO_VALUE:
default:
throw new IllegalStateException();
}
if (buffer.capacity() < resampledSize) {
buffer = ByteBuffer.allocateDirect(resampledSize).order(ByteOrder.nativeOrder());
} else {
buffer.clear();
}
// Resample the little endian input and update the input/output buffers.
switch (encoding) {
case C.ENCODING_PCM_8BIT:
// 8->16 bit resampling. Shift each byte from [0, 256) to [-128, 128) and scale up.
for (int i = position; i < limit; i++) {
buffer.put((byte) 0);
buffer.put((byte) ((inputBuffer.get(i) & 0xFF) - 128));
}
break;
case C.ENCODING_PCM_24BIT:
// 24->16 bit resampling. Drop the least significant byte.
for (int i = position; i < limit; i += 3) {
buffer.put(inputBuffer.get(i + 1));
buffer.put(inputBuffer.get(i + 2));
}
break;
case C.ENCODING_PCM_32BIT:
// 32->16 bit resampling. Drop the two least significant bytes.
for (int i = position; i < limit; i += 4) {
buffer.put(inputBuffer.get(i + 2));
buffer.put(inputBuffer.get(i + 3));
}
break;
case C.ENCODING_PCM_16BIT:
case C.ENCODING_INVALID:
case Format.NO_VALUE:
default:
// Never happens.
throw new IllegalStateException();
}
inputBuffer.position(inputBuffer.limit());
buffer.flip();
outputBuffer = buffer;
}