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Fix vibration patterns with zero duration steps.

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Removing steps with zero duration in the vibration pattern to prevent cases where it becomes un-synced with the requested vibration.

Bug: 287549459
Test: com.android.server.vibrator.VibrationThreadTest
Change-Id: I49874c64e8fe0f0a31adca023fe7273e32149a9b
This commit is contained in:
Ahmad Khalil
2023-07-12 16:45:34 +00:00
parent ef187054da
commit 86445de16b
2 changed files with 85 additions and 1 deletions
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4
services/core/java/com/android/server/vibrator/SetAmplitudeVibratorStep.java
View File

@@ -179,7 +179,9 @@ final class SetAmplitudeVibratorStep extends AbstractVibratorStep {
while (i < segmentCount) {
VibrationEffectSegment segment = segments.get(i);
if (!(segment instanceof StepSegment)
|| ((StepSegment) segment).getAmplitude() == 0) {
// play() will ignore segments with zero duration, so it's important that
// zero-duration segments don't affect this method.
|| (segment.getDuration() > 0 && ((StepSegment) segment).getAmplitude() == 0)) {
break;
}
timing += segment.getDuration();

82
services/tests/servicestests/src/com/android/server/vibrator/VibrationThreadTest.java
View File

@@ -19,6 +19,8 @@ package com.android.server.vibrator;
import static android.os.VibrationEffect.VibrationParameter.targetAmplitude;
import static android.os.VibrationEffect.VibrationParameter.targetFrequency;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@@ -304,6 +306,80 @@ public class VibrationThreadTest {
fakeVibrator.getEffectSegments(vibrationId));
}
@Test
public void vibrate_singleVibratorPatternWithZeroDurationSteps_skipsZeroDurationSteps() {
mVibratorProviders.get(VIBRATOR_ID).setCapabilities(IVibrator.CAP_AMPLITUDE_CONTROL);
VibrationEffect effect = VibrationEffect.createWaveform(
/* timings= */ new long[]{0, 100, 50, 100, 0, 0, 0, 50}, /* repeat= */ -1);
VibrationStepConductor conductor = startThreadAndDispatcher(effect);
long vibrationId = conductor.getVibration().id;
waitForCompletion();
verify(mManagerHooks).noteVibratorOn(eq(UID), eq(300L));
verify(mManagerHooks).noteVibratorOff(eq(UID));
verifyCallbacksTriggered(vibrationId, Vibration.Status.FINISHED);
assertThat(mControllers.get(VIBRATOR_ID).isVibrating()).isFalse();
assertThat(mVibratorProviders.get(VIBRATOR_ID).getEffectSegments(vibrationId))
.isEqualTo(expectedOneShots(100L, 150L));
}
@Test
public void vibrate_singleVibratorPatternWithZeroDurationAndAmplitude_skipsZeroDurationSteps() {
mVibratorProviders.get(VIBRATOR_ID).setCapabilities(IVibrator.CAP_AMPLITUDE_CONTROL);
int[] amplitudes = new int[]{1, 2, 0, 3, 4, 5, 0, 6};
VibrationEffect effect = VibrationEffect.createWaveform(
/* timings= */ new long[]{0, 100, 0, 50, 50, 0, 100, 50}, amplitudes,
/* repeat= */ -1);
VibrationStepConductor conductor = startThreadAndDispatcher(effect);
long vibrationId = conductor.getVibration().id;
waitForCompletion();
verify(mManagerHooks).noteVibratorOn(eq(UID), eq(350L));
verify(mManagerHooks).noteVibratorOff(eq(UID));
verifyCallbacksTriggered(vibrationId, Vibration.Status.FINISHED);
assertThat(mControllers.get(VIBRATOR_ID).isVibrating()).isFalse();
assertThat(mVibratorProviders.get(VIBRATOR_ID).getEffectSegments(vibrationId))
.isEqualTo(expectedOneShots(200L, 50L));
}
@LargeTest
@Test
public void vibrate_singleVibratorRepeatingPatternWithZeroDurationSteps_repeatsEffectCorrectly()
throws Exception {
FakeVibratorControllerProvider fakeVibrator = mVibratorProviders.get(VIBRATOR_ID);
fakeVibrator.setCapabilities(IVibrator.CAP_AMPLITUDE_CONTROL);
VibrationEffect effect = VibrationEffect.createWaveform(
/* timings= */ new long[]{0, 200, 50, 100, 0, 50, 50, 100}, /* repeat= */ 0);
VibrationStepConductor conductor = startThreadAndDispatcher(effect);
long vibrationId = conductor.getVibration().id;
// We are expect this test to repeat the vibration effect twice, which would result in 5
// segments being played:
// 200ms ON
// 150ms ON (100ms + 50ms, skips 0ms)
// 300ms ON (100ms + 200ms looping to the start and skipping first 0ms)
// 150ms ON (100ms + 50ms, skips 0ms)
// 300ms ON (100ms + 200ms looping to the start and skipping first 0ms)
assertTrue(waitUntil(() -> fakeVibrator.getEffectSegments(vibrationId).size() >= 5,
5000L + TEST_TIMEOUT_MILLIS));
conductor.notifyCancelled(
new Vibration.EndInfo(Vibration.Status.CANCELLED_BY_USER),
/* immediate= */ false);
waitForCompletion();
verifyCallbacksTriggered(vibrationId, Vibration.Status.CANCELLED_BY_USER);
assertThat(mControllers.get(VIBRATOR_ID).isVibrating()).isFalse();
assertThat(mVibratorProviders.get(VIBRATOR_ID).getEffectSegments(vibrationId).subList(0, 5))
.isEqualTo(expectedOneShots(200L, 150L, 300L, 150L, 300L));
}
@Test
public void vibrate_singleVibratorRepeatingPwle_generatesLargestPwles() throws Exception {
FakeVibratorControllerProvider fakeVibrator = mVibratorProviders.get(VIBRATOR_ID);
@@ -1640,6 +1716,12 @@ public class VibrationThreadTest {
/* frequencyHz= */ 0, (int) millis);
}
private List<VibrationEffectSegment> expectedOneShots(long... millis) {
return Arrays.stream(millis)
.mapToObj(this::expectedOneShot)
.collect(Collectors.toList());
}
private VibrationEffectSegment expectedPrebaked(int effectId) {
return new PrebakedSegment(effectId, false, VibrationEffect.EFFECT_STRENGTH_MEDIUM);
}