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

Example 41 with AudioRecord

use of android.media.AudioRecord in project android_frameworks_base by crdroidandroid.

the class MediaAudioEffectTest method getAudioRecord.

//-----------------------------------------------------------------
// 1 - constructor
//----------------------------------
private AudioRecord getAudioRecord() {
    AudioRecord ar = null;
    try {
        ar = new AudioRecord(MediaRecorder.AudioSource.DEFAULT, SAMPLING_RATE, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, AudioRecord.getMinBufferSize(SAMPLING_RATE, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT) * 10);
        assertNotNull("Could not create AudioRecord", ar);
        assertEquals("AudioRecord not initialized", AudioRecord.STATE_INITIALIZED, ar.getState());
    } catch (IllegalArgumentException e) {
        fail("AudioRecord invalid parameter");
    }
    return ar;
}

Example 42 with AudioRecord

use of android.media.AudioRecord in project android_frameworks_base by crdroidandroid.

the class MediaAudioEffectTest method test1_0ConstructorFromType.

//Test case 1.0: test constructor from effect type and get effect ID
@LargeTest
public void test1_0ConstructorFromType() throws Exception {
    boolean result = true;
    String msg = "test1_0ConstructorFromType()";
    AudioEffect.Descriptor[] desc = AudioEffect.queryEffects();
    assertTrue(msg + ": no effects found", (desc.length != 0));
    try {
        int sessionId;
        AudioRecord ar = null;
        if (AudioEffect.EFFECT_PRE_PROCESSING.equals(desc[0].connectMode)) {
            ar = getAudioRecord();
            sessionId = ar.getAudioSessionId();
        } else {
            sessionId = 0;
        }
        AudioEffect effect = new AudioEffect(desc[0].type, AudioEffect.EFFECT_TYPE_NULL, 0, sessionId);
        assertNotNull(msg + ": could not create AudioEffect", effect);
        try {
            assertTrue(msg + ": invalid effect ID", (effect.getId() != 0));
        } catch (IllegalStateException e) {
            msg = msg.concat(": AudioEffect not initialized");
            result = false;
        } finally {
            effect.release();
            if (ar != null) {
                ar.release();
            }
        }
    } catch (IllegalArgumentException e) {
        msg = msg.concat(": Effect not found: " + desc[0].name);
        result = false;
    } catch (UnsupportedOperationException e) {
        msg = msg.concat(": Effect library not loaded");
        result = false;
    }
    assertTrue(msg, result);
}

Example 43 with AudioRecord

use of android.media.AudioRecord in project snips-platform-android-demo by snipsco.

the class MainActivity method runStreaming.

private void runStreaming() {
    Log.d(TAG, "starting audio streaming");
    final int minBufferSizeInBytes = AudioRecord.getMinBufferSize(FREQUENCY, CHANNEL, ENCODING);
    Log.d(TAG, "minBufferSizeInBytes: " + minBufferSizeInBytes);
    recorder = new AudioRecord(MediaRecorder.AudioSource.MIC, FREQUENCY, CHANNEL, ENCODING, minBufferSizeInBytes);
    recorder.startRecording();
    while (continueStreaming) {
        short[] buffer = new short[minBufferSizeInBytes / 2];
        recorder.read(buffer, 0, buffer.length);
        if (client != null) {
            client.sendAudioBuffer(buffer);
        }
    }
    recorder.stop();
    Log.d(TAG, "audio streaming stopped");
}

Example 44 with AudioRecord

use of android.media.AudioRecord in project summer-android by cn-cerc.

the class AudioRecorderUtils method createDefaultAudio.

public void createDefaultAudio(String fileName) {
    this.fileName = fileName;
    this.status = Status.STATUS_READY;
    // 获得缓冲区字节大小
    bufferSizeInBytes = AudioRecord.getMinBufferSize(AUDIO_SAMPLE_RATE, AUDIO_CHANNEL, AUDIO_ENCODING);
    audioRecord = new AudioRecord(AUDIO_INPUT, AUDIO_SAMPLE_RATE, AUDIO_CHANNEL, AUDIO_ENCODING, bufferSizeInBytes);
}

Example 45 with AudioRecord

use of android.media.AudioRecord in project summer-android by cn-cerc.

the class AudioRecorderUtils method createAudio.

public void createAudio(String fileName, int audioSource, int sampleRateInHz, int channelConfig, int audioFormat) {
    this.fileName = fileName;
    // 获得缓冲区字节大小
    bufferSizeInBytes = AudioRecord.getMinBufferSize(sampleRateInHz, channelConfig, channelConfig);
    audioRecord = new AudioRecord(audioSource, sampleRateInHz, channelConfig, audioFormat, bufferSizeInBytes);
}