本文整理汇总了Java中android.media.AudioFormat.ENCODING_PCM_FLOAT属性的典型用法代码示例。如果您正苦于以下问题：Java AudioFormat.ENCODING_PCM_FLOAT属性的具体用法？Java AudioFormat.ENCODING_PCM_FLOAT怎么用？Java AudioFormat.ENCODING_PCM_FLOAT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android.media.AudioFormat的用法示例。
在下文中一共展示了AudioFormat.ENCODING_PCM_FLOAT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: createAudioTrack
public AudioTrack createAudioTrack(int frameRate) {
int minBufferSizeBytes = AudioTrack.getMinBufferSize(frameRate,
AudioFormat.CHANNEL_OUT_STEREO, AudioFormat.ENCODING_PCM_FLOAT);
Log.i(TAG, "AudioTrack.minBufferSize = " + minBufferSizeBytes
+ " bytes = " + (minBufferSizeBytes / BYTES_PER_FRAME)
+ " frames");
int bufferSize = 8 * minBufferSizeBytes / 8;
int outputBufferSizeFrames = bufferSize / BYTES_PER_FRAME;
Log.i(TAG, "actual bufferSize = " + bufferSize + " bytes = "
+ outputBufferSizeFrames + " frames");
AudioTrack player = new AudioTrack(AudioManager.STREAM_MUSIC,
mFrameRate, AudioFormat.CHANNEL_OUT_STEREO,
AudioFormat.ENCODING_PCM_FLOAT, bufferSize,
AudioTrack.MODE_STREAM);
Log.i(TAG, "created AudioTrack");
return player;
}
示例2: audioFormatSampleBytes
public static int audioFormatSampleBytes(int f)
{
switch (f)
{
case AudioFormat.ENCODING_PCM_8BIT:
return 1;
case AudioFormat.ENCODING_PCM_16BIT:
case AudioFormat.ENCODING_DEFAULT:
return 2;
case AudioFormat.ENCODING_PCM_FLOAT:
return 4;
case AudioFormat.ENCODING_INVALID:
default:
return 0;
}
}
示例3: audioFormatSampleType
public static Cons.Type audioFormatSampleType(int f)
{
switch (f)
{
case AudioFormat.ENCODING_PCM_8BIT:
return Cons.Type.CHAR;
case AudioFormat.ENCODING_PCM_16BIT:
case AudioFormat.ENCODING_DEFAULT:
return Cons.Type.SHORT;
case AudioFormat.ENCODING_PCM_FLOAT:
return Cons.Type.FLOAT;
case AudioFormat.ENCODING_INVALID:
default:
return Cons.Type.UNDEF;
}
}
示例4: writeWavHeader
/**
* Writes the proper 44-byte RIFF/WAVE header to/for the given stream
* Two size fields are left empty/null since we do not yet know the final stream size
*
* @param out The stream to write the header to
* @param channelMask An AudioFormat.CHANNEL_* mask
* @param sampleRate The sample rate in hertz
* @param encoding An AudioFormat.ENCODING_PCM_* value
* @throws IOException
*/
private void writeWavHeader(OutputStream out, int channelMask, int sampleRate, int encoding)
throws IOException {
short channels;
switch (channelMask) {
case AudioFormat.CHANNEL_IN_MONO:
channels = 1;
break;
case AudioFormat.CHANNEL_IN_STEREO:
channels = 2;
break;
default:
throw new IllegalArgumentException("Unacceptable channel mask");
}
short bitDepth;
switch (encoding) {
case AudioFormat.ENCODING_PCM_8BIT:
bitDepth = 8;
break;
case AudioFormat.ENCODING_PCM_16BIT:
bitDepth = 16;
break;
case AudioFormat.ENCODING_PCM_FLOAT:
bitDepth = 32;
break;
default:
throw new IllegalArgumentException("Unacceptable encoding");
}
writeWavHeader(out, channels, sampleRate, bitDepth);
}