Examples with AudioRecord android.media.AudioRecord used on opensource projects

Example 61 with AudioRecord

use of android.media.AudioRecord in project robolectric by robolectric.

the class ShadowAudioRecordTest method nativeReadShortCallsAudioRecordSourceWhenSetBlockingMOnwards.

@Test
@Config(minSdk = M)
public void nativeReadShortCallsAudioRecordSourceWhenSetBlockingMOnwards() {
    AudioRecordSource source = Mockito.mock(AudioRecordSource.class);
    ShadowAudioRecord.setSource(source);
    AudioRecord audioRecord = createAudioRecord();
    audioRecord.startRecording();
    audioRecord.read(new short[100], 0, 100, AudioRecord.READ_BLOCKING);
    verify(source).readInShortArray(any(short[].class), eq(0), eq(100), /* isBlocking=*/
    eq(true));
    verifyNoMoreInteractions(source);
}

Example 62 with AudioRecord

use of android.media.AudioRecord in project Conversations by siacs.

the class AppRTCAudioManager method isMicrophoneAvailable.

public static boolean isMicrophoneAvailable() {
    microphoneLatch = new CountDownLatch(1);
    AudioRecord audioRecord = null;
    boolean available = true;
    try {
        final int sampleRate = 44100;
        final int channel = AudioFormat.CHANNEL_IN_MONO;
        final int format = AudioFormat.ENCODING_PCM_16BIT;
        final int bufferSize = AudioRecord.getMinBufferSize(sampleRate, channel, format);
        audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleRate, channel, format, bufferSize);
        audioRecord.startRecording();
        final short[] buffer = new short[bufferSize];
        final int audioStatus = audioRecord.read(buffer, 0, bufferSize);
        if (audioStatus == AudioRecord.ERROR_INVALID_OPERATION || audioStatus == AudioRecord.STATE_UNINITIALIZED)
            available = false;
    } catch (Exception e) {
        available = false;
    } finally {
        release(audioRecord);
    }
    microphoneLatch.countDown();
    return available;
}

Example 63 with AudioRecord

use of android.media.AudioRecord in project SinVoice by JesseGu.

the class Record method start.

public void start() {
    if (STATE_STOP == mState) {
        switch(mChannel) {
            case CHANNEL_1:
                mChannelConfig = AudioFormat.CHANNEL_IN_MONO;
                break;
            case CHANNEL_2:
                mChannelConfig = AudioFormat.CHANNEL_IN_STEREO;
                break;
        }
        switch(mBits) {
            case BITS_8:
                mAudioEncoding = AudioFormat.ENCODING_PCM_8BIT;
                break;
            case BITS_16:
                mAudioEncoding = AudioFormat.ENCODING_PCM_16BIT;
                break;
        }
        int minBufferSize = AudioRecord.getMinBufferSize(mFrequence, mChannelConfig, mAudioEncoding);
        LogHelper.d(TAG, "minBufferSize:" + minBufferSize);
        if (mBufferSize >= minBufferSize) {
            AudioRecord record = new AudioRecord(MediaRecorder.AudioSource.MIC, mFrequence, mChannelConfig, mAudioEncoding, mBufferSize);
            if (null != record) {
                try {
                    mState = STATE_START;
                    record.startRecording();
                    LogHelper.d(TAG, "record start");
                    if (null != mCallback) {
                        if (null != mListener) {
                            mListener.onStartRecord();
                        }
                        while (STATE_START == mState) {
                            BufferData data = mCallback.getRecordBuffer();
                            if (null != data) {
                                if (null != data.mData) {
                                    int bufferReadResult = record.read(data.mData, 0, mBufferSize);
                                    data.setFilledSize(bufferReadResult);
                                    mCallback.freeRecordBuffer(data);
                                } else {
                                    // end of input
                                    LogHelper.d(TAG, "get end input data, so stop");
                                    break;
                                }
                            } else {
                                LogHelper.e(TAG, "get null data");
                                break;
                            }
                        }
                        if (null != mListener) {
                            mListener.onStopRecord();
                        }
                    }
                    record.stop();
                    record.release();
                    LogHelper.d(TAG, "record stop");
                } catch (IllegalStateException e) {
                    e.printStackTrace();
                    LogHelper.e(TAG, "start record error");
                }
                mState = STATE_STOP;
            }
        } else {
            LogHelper.e(TAG, "bufferSize is too small");
        }
    }
}

Example 64 with AudioRecord

use of android.media.AudioRecord in project AndroidSDK-RecipeBook by gabu.

the class SoundSwitch method run.

// スレッド開始（録音を開始）
public void run() {
    android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
    int bufferSize = AudioRecord.getMinBufferSize(SAMPLE_RATE, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT);
    AudioRecord audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, SAMPLE_RATE, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, bufferSize);
    short[] buffer = new short[bufferSize];
    audioRecord.startRecording();
    while (isRecoding) {
        audioRecord.read(buffer, 0, bufferSize);
        short max = 0;
        for (int i = 0; i < bufferSize; i++) {
            // 最大音量を計算
            max = (short) Math.max(max, buffer[i]);
            // 最大音量がボーダーを超えていたら
            if (max > mBorderVolume) {
                if (mListener != null) {
                    // リスナーを実行
                    mListener.onReachedVolume(max);
                    break;
                }
            }
        }
    }
    audioRecord.stop();
    audioRecord.release();
}