Examples with Visualizer android.media.audiofx.Visualizer used on opensource projects

Example 1 with Visualizer

use of android.media.audiofx.Visualizer in project platform_frameworks_base by android.

the class MediaVisualizerTest method test0_0ConstructorAndRelease.

//-----------------------------------------------------------------
// VISUALIZER TESTS:
//----------------------------------
//-----------------------------------------------------------------
// 0 - constructor
//----------------------------------
//Test case 0.0: test constructor and release
@LargeTest
public void test0_0ConstructorAndRelease() throws Exception {
    boolean result = false;
    String msg = "test1_0ConstructorAndRelease()";
    Visualizer visualizer = null;
    try {
        visualizer = new Visualizer(0);
        assertNotNull(msg + ": could not create Visualizer", visualizer);
        result = true;
    } catch (IllegalArgumentException e) {
        msg = msg.concat(": Visualizer not found");
    } catch (UnsupportedOperationException e) {
        msg = msg.concat(": Effect library not loaded");
    } finally {
        if (visualizer != null) {
            visualizer.release();
        }
    }
    assertTrue(msg, result);
}

Example 2 with Visualizer

use of android.media.audiofx.Visualizer in project android_frameworks_base by ResurrectionRemix.

the class VisualizerTest method getEffect.

private void getEffect(int session) {
    synchronized (sInstances) {
        if (sInstances.containsKey(session)) {
            mVisualizer = sInstances.get(session);
        } else {
            try {
                mVisualizer = new Visualizer(session);
            } catch (UnsupportedOperationException e) {
                Log.e(TAG, "Visualizer library not loaded");
                throw (new RuntimeException("Cannot initialize effect"));
            } catch (RuntimeException e) {
                throw e;
            }
            sInstances.put(session, mVisualizer);
        }
    }
    mReleaseButton.setEnabled(false);
    mOnOffButton.setEnabled(false);
    if (mVisualizer != null) {
        mCaptureSize = mVisualizer.getCaptureSize();
        mReleaseButton.setChecked(true);
        mReleaseButton.setEnabled(true);
        mEnabled = mVisualizer.getEnabled();
        mOnOffButton.setChecked(mEnabled);
        mOnOffButton.setEnabled(true);
        mCallbackButton.setEnabled(!mEnabled);
    }
}

Example 3 with Visualizer

use of android.media.audiofx.Visualizer in project android_frameworks_base by DirtyUnicorns.

the class MediaVisualizerTest method getVisualizer.

private void getVisualizer(int session) {
    if (mVisualizer == null || session != mSession) {
        if (session != mSession && mVisualizer != null) {
            mVisualizer.release();
            mVisualizer = null;
        }
        try {
            mVisualizer = new Visualizer(session);
            mSession = session;
        } catch (IllegalArgumentException e) {
            Log.e(TAG, "getVisualizer() Visualizer not found exception: " + e);
        } catch (UnsupportedOperationException e) {
            Log.e(TAG, "getVisualizer() Effect library not loaded exception: " + e);
        }
    }
    assertNotNull("could not create mVisualizer", mVisualizer);
}

Example 4 with Visualizer

use of android.media.audiofx.Visualizer in project android_frameworks_base by DirtyUnicorns.

the class VisualizerTest method getEffect.

private void getEffect(int session) {
    synchronized (sInstances) {
        if (sInstances.containsKey(session)) {
            mVisualizer = sInstances.get(session);
        } else {
            try {
                mVisualizer = new Visualizer(session);
            } catch (UnsupportedOperationException e) {
                Log.e(TAG, "Visualizer library not loaded");
                throw (new RuntimeException("Cannot initialize effect"));
            } catch (RuntimeException e) {
                throw e;
            }
            sInstances.put(session, mVisualizer);
        }
    }
    mReleaseButton.setEnabled(false);
    mOnOffButton.setEnabled(false);
    if (mVisualizer != null) {
        mCaptureSize = mVisualizer.getCaptureSize();
        mReleaseButton.setChecked(true);
        mReleaseButton.setEnabled(true);
        mEnabled = mVisualizer.getEnabled();
        mOnOffButton.setChecked(mEnabled);
        mOnOffButton.setEnabled(true);
        mCallbackButton.setEnabled(!mEnabled);
    }
}

Example 5 with Visualizer

use of android.media.audiofx.Visualizer in project android_packages_apps_DUI by DirtyUnicorns.

the class VisualizerStreamHandler method link.

/**
     * Links the visualizer to a player
     * 
     * @param player - MediaPlayer instance to link to
     */
public final void link(int audioSessionId) {
    if (mVisualizer != null && audioSessionId != mAudioSessionId) {
        mVisualizer.setEnabled(false);
        mVisualizer.release();
        mVisualizer = null;
    }
    pause();
    resetAnalyzer();
    mAudioSessionId = audioSessionId;
    if (mVisualizer == null) {
        try {
            mVisualizer = new Visualizer(audioSessionId);
        } catch (Exception e) {
            Log.e(TAG, "Error enabling visualizer!", e);
            return;
        }
        mVisualizer.setEnabled(false);
        mVisualizer.setCaptureSize(Visualizer.getCaptureSizeRange()[1]);
        Visualizer.OnDataCaptureListener captureListener = new Visualizer.OnDataCaptureListener() {

            @Override
            public void onWaveFormDataCapture(Visualizer visualizer, byte[] bytes, int samplingRate) {
                if (ENABLE_WAVEFORM) {
                    analyze(bytes);
                    if (isValidStream() && !mIsPaused) {
                        mListener.onWaveFormUpdate(bytes);
                    }
                }
            }

            @Override
            public void onFftDataCapture(Visualizer visualizer, byte[] bytes, int samplingRate) {
                analyze(bytes);
                if (isValidStream() && !mIsPaused) {
                    mListener.onFFTUpdate(bytes);
                }
            }
        };
        mVisualizer.setDataCaptureListener(captureListener, (int) (Visualizer.getMaxCaptureRate() * 0.75), true, true);
    }
    mVisualizer.setEnabled(true);
}