Add functional tests for Visualizer volume scaling mode (997592b3) · Commits · e / os / android_frameworks_base

media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/audio/MediaVisualizerTest.java

+116 −0

Original line number	Diff line number	Diff line
		@@ -188,6 +188,37 @@ public class MediaVisualizerTest extends ActivityInstrumentationTestCase2<MediaF
		assertTrue(msg, result);
		}

		//Test case 1.2: check scaling mode
		@LargeTest
		public void test1_2ScalingMode() throws Exception {
		boolean result = false;
		String msg = "test1_2ScalingMode()";
		getVisualizer(0);
		try {
		int res = mVisualizer.setScalingMode(Visualizer.SCALING_MODE_AS_PLAYED);
		assertEquals(msg + ": setting SCALING_MODE_AS_PLAYED failed",
		res, Visualizer.SUCCESS);
		int mode = mVisualizer.getScalingMode();
		assertEquals(msg + ": setting SCALING_MODE_AS_PLAYED didn't stick",
		mode, Visualizer.SCALING_MODE_AS_PLAYED);

		res = mVisualizer.setScalingMode(Visualizer.SCALING_MODE_NORMALIZED);
		assertEquals(msg + ": setting SCALING_MODE_NORMALIZED failed",
		res, Visualizer.SUCCESS);
		mode = mVisualizer.getScalingMode();
		assertEquals(msg + ": setting SCALING_MODE_NORMALIZED didn't stick",
		mode, Visualizer.SCALING_MODE_NORMALIZED);

		result = true;
		} catch (IllegalStateException e) {
		msg = msg.concat("IllegalStateException");
		loge(msg, "set/get parameter() called in wrong state: " + e);
		} finally {
		releaseVisualizer();
		}
		assertTrue(msg, result);
		}

		//-----------------------------------------------------------------
		// 2 - check capture
		//----------------------------------
		@@ -403,6 +434,91 @@ public class MediaVisualizerTest extends ActivityInstrumentationTestCase2<MediaF
		assertTrue(msg, result);
		}

		//Test case 2.2: test capture in polling mode with volume scaling
		@LargeTest
		public void test2_2PollingCaptureVolumeScaling() throws Exception {
		// test that when playing a sound, the energy measured with Visualizer in
		// SCALING_MODE_AS_PLAYED mode decreases when lowering the volume
		boolean result = false;
		String msg = "test2_2PollingCaptureVolumeScaling()";
		AudioEffect vc = null;
		MediaPlayer mp = null;
		AudioManager am = (AudioManager) getActivity().getSystemService(Context.AUDIO_SERVICE);
		int ringerMode = am.getRingerMode();
		am.setRingerMode(AudioManager.RINGER_MODE_NORMAL);
		final int volMax = am.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
		am.setStreamVolume(AudioManager.STREAM_MUSIC, volMax, 0);

		try {
		// test setup not related to tested functionality:
		// creating a volume controller on output mix ensures that ro.audio.silent mutes
		// audio after the effects and not before
		vc = new AudioEffect(
		AudioEffect.EFFECT_TYPE_NULL,
		VOLUME_EFFECT_UUID,
		0,
		0);
		vc.setEnabled(true);

		mp = new MediaPlayer();
		mp.setDataSource(MediaNames.SINE_200_1000);
		mp.setAudioStreamType(AudioManager.STREAM_MUSIC);
		getVisualizer(mp.getAudioSessionId());

		// verify we successfully set the Visualizer in SCALING_MODE_AS_PLAYED mode
		mVisualizer.setScalingMode(Visualizer.SCALING_MODE_AS_PLAYED);
		assertTrue(msg + " get volume scaling doesn't return SCALING_MODE_AS_PLAYED",
		mVisualizer.getScalingMode() == Visualizer.SCALING_MODE_AS_PLAYED);
		mVisualizer.setEnabled(true);
		mp.prepare();
		mp.start();
		Thread.sleep(500);

		// check capture on sound with music volume at max
		byte[] data = new byte[mVisualizer.getCaptureSize()];
		mVisualizer.getWaveForm(data);
		int energyAtVolMax = computeEnergy(data, true);
		assertTrue(msg +": getWaveForm reads insufficient level",
		energyAtVolMax > 0);
		log(msg, " engergy at max volume = "+energyAtVolMax);

		// check capture on sound with music volume lowered from max
		am.setStreamVolume(AudioManager.STREAM_MUSIC, (volMax * 2) / 3, 0);
		Thread.sleep(500);
		mVisualizer.getWaveForm(data);
		int energyAtLowerVol = computeEnergy(data, true);
		assertTrue(msg +": getWaveForm at lower volume reads insufficient level",
		energyAtLowerVol > 0);
		log(msg, "energy at lower volume = "+energyAtLowerVol);
		assertTrue(msg +": getWaveForm didn't report lower energy when volume decreases",
		energyAtVolMax > energyAtLowerVol);

		result = true;
		} catch (IllegalArgumentException e) {
		msg = msg.concat(": IllegalArgumentException");
		loge(msg, " hit exception " + e);
		} catch (UnsupportedOperationException e) {
		msg = msg.concat(": UnsupportedOperationException");
		loge(msg, " hit exception " + e);
		} catch (IllegalStateException e) {
		msg = msg.concat("IllegalStateException");
		loge(msg, " hit exception " + e);
		} catch (InterruptedException e) {
		loge(msg, " sleep() interrupted");
		}
		finally {
		releaseVisualizer();
		if (mp != null) {
		mp.release();
		}
		if (vc != null) {
		vc.release();
		}
		am.setRingerMode(ringerMode);
		}
		assertTrue(msg, result);
		}

		//-----------------------------------------------------------------
		// private methods
		//----------------------------------