本文整理汇总了Java中android.media.AudioFormat.CHANNEL_CONFIGURATION_STEREO属性的典型用法代码示例。如果您正苦于以下问题:Java AudioFormat.CHANNEL_CONFIGURATION_STEREO属性的具体用法?Java AudioFormat.CHANNEL_CONFIGURATION_STEREO怎么用?Java AudioFormat.CHANNEL_CONFIGURATION_STEREO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.CHANNEL_CONFIGURATION_STEREO属性的6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: getMinBufferSize
private int getMinBufferSize(int sampleRate, int channelConfig, int audioFormat) {
minBufferSize = AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat);
// 解决异常IllegalArgumentException: Invalid audio buffer size
int channelCount = 1;
switch (channelConfig) {
// AudioFormat.CHANNEL_CONFIGURATION_DEFAULT
case AudioFormat.CHANNEL_OUT_DEFAULT:
case AudioFormat.CHANNEL_OUT_MONO:
case AudioFormat.CHANNEL_CONFIGURATION_MONO:
channelCount = 1;
break;
case AudioFormat.CHANNEL_OUT_STEREO:
case AudioFormat.CHANNEL_CONFIGURATION_STEREO:
channelCount = 2;
break;
default:
channelCount = Integer.bitCount(channelConfig);
}
// 判断minBufferSize是否在范围内,如果不在设定默认值为1152
int frameSizeInBytes = channelCount * (audioFormat == AudioFormat.ENCODING_PCM_8BIT ? 1 : 2);
if ((minBufferSize % frameSizeInBytes != 0) || (minBufferSize < 1)) {
minBufferSize = 1152;
}
return minBufferSize;
}
示例2: start
/**
* 设置频率
* @param rate
*/
@SuppressWarnings("deprecation")
public void start(int rate){
stop();
if(rate>0){
Hz=rate;
waveLen = RATE / Hz;
length = waveLen * Hz;
audioTrack=new AudioTrack(AudioManager.STREAM_MUSIC, RATE,
AudioFormat.CHANNEL_CONFIGURATION_STEREO, // CHANNEL_CONFIGURATION_MONO,
AudioFormat.ENCODING_PCM_8BIT, length, AudioTrack.MODE_STREAM);
//生成正弦波
wave=SinWave.sin(wave, waveLen, length);
if(audioTrack!=null){
audioTrack.play();
}
}else{
return;
}
}
示例3: AudioThread
public AudioThread(int sampleRateInHz, int channel, long streamId, long decoderId, Media media)
{
if (channel == 1)
{
channel_configuration = AudioFormat.CHANNEL_CONFIGURATION_MONO;
} else
{
channel_configuration = AudioFormat.CHANNEL_CONFIGURATION_STEREO;
}
this.mediaStreamId = streamId;
this.decoderId = decoderId;
this.media = media;
int minBufferSize = AudioTrack.getMinBufferSize(sampleRateInHz, channel_configuration, AudioFormat.ENCODING_PCM_16BIT);
if (minBufferSize > audioLength)
{
audioLength = minBufferSize;
}
mAudioBuffer = new byte[audioLength];
mAudio = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRateInHz, channel_configuration, AudioFormat.ENCODING_PCM_16BIT, audioLength, AudioTrack.MODE_STREAM);
}
示例4: getRecordBufferSize
public static int getRecordBufferSize() {
int frequency = Options.getInstance().audio.frequency;
int audioEncoding = Options.getInstance().audio.encoding;
int channelConfiguration = AudioFormat.CHANNEL_CONFIGURATION_MONO;
if(Options.getInstance().audio.channelCount == 2) {
channelConfiguration = AudioFormat.CHANNEL_CONFIGURATION_STEREO;
}
return AudioRecord.getMinBufferSize(frequency, channelConfiguration, audioEncoding);
}
示例5: getAudioRecord
@TargetApi(18)
public static AudioRecord getAudioRecord() {
int frequency = Options.getInstance().audio.frequency;
int audioEncoding = Options.getInstance().audio.encoding;
int channelConfiguration = AudioFormat.CHANNEL_CONFIGURATION_MONO;
if(Options.getInstance().audio.channelCount == 2) {
channelConfiguration = AudioFormat.CHANNEL_CONFIGURATION_STEREO;
}
int audioSource = MediaRecorder.AudioSource.MIC;
if(Options.getInstance().audio.aec) {
audioSource = MediaRecorder.AudioSource.VOICE_COMMUNICATION;
}
return new AudioRecord(audioSource, frequency,
channelConfiguration, audioEncoding, getRecordBufferSize());
}
示例6: AudioOutputQueue
public AudioOutputQueue(final AudioStreamInformationProvider streamInfoProvider) {
convertUnsignedToSigned = true;
//setup the Audio Format options
streamType = AudioManager.STREAM_MUSIC;
sampleRateInHz = streamInfoProvider.getSampleRate();
channelConfig = streamInfoProvider.getChannels();
audioFormat = streamInfoProvider. getAudioFormat();
sampleRate = streamInfoProvider.getSampleRate();
/* Audio format-dependent stuff */
packetSizeFrames = streamInfoProvider.getFramesPerPacket();
bytesPerFrame = streamInfoProvider.getChannels() * streamInfoProvider.getSampleSizeInBits() / 8;
//calculate the buffer size in bytes
bufferSizeInBytes = (int)Math.pow(2, Math.ceil(Math.log(BUFFER_SIZE_SECONDS * sampleRate * bytesPerFrame) / Math.log(2.0)));
mode = AudioTrack.MODE_STREAM;
//create the AudioTrack
//audioTrack = new AudioTrack(streamType, sampleRateInHz, channelConfig, audioFormat, bufferSizeInBytes, mode);
audioTrack = new AudioTrack(streamType, sampleRateInHz, AudioFormat.CHANNEL_CONFIGURATION_STEREO, audioFormat, bufferSizeInBytes, mode);//FIXME
LOG.info("AudioTrack created succesfully with a buffer of : " + bufferSizeInBytes + " bytes and : " + bufferSizeInBytes / bytesPerFrame + " frames.");
//create initial array of "filler" bytes ....
lineLastFrame = new byte[bytesPerFrame];
for(int b=0; b < lineLastFrame.length; ++b){
lineLastFrame[b] = (b % 2 == 0) ? (byte)-128 : (byte)0;
}
/* Create enqueuer thread and wait for the line to start.
* The wait guarantees that the AudioClock functions return
* sensible values right after construction
*/
queueThread.setDaemon(true);
queueThread.setName("Audio Enqueuer");
queueThread.setPriority(Thread.MAX_PRIORITY);
/*
queueThread.start();
//while ( queueThread.isAlive() && ! m_line.isActive() ){
while ( queueThread.isAlive() && audioTrack.getPlayState() != AudioTrack.PLAYSTATE_PLAYING){
Thread.yield();
}
*/
/* Initialize the seconds time offset now that the line is running. */
secondsTimeOffset = 2208988800.0 + System.currentTimeMillis() * 1e-3;
}