VolumeShaperTest: Add step ramp test
Test: android.media.cts.VolumeShaperTest
Change-Id: I756cc87fddf6a65b066de7bdb25f96e9cec2801b
diff --git a/tests/tests/media/src/android/media/cts/VolumeShaperTest.java b/tests/tests/media/src/android/media/cts/VolumeShaperTest.java
index 89fb5df..b4ea2b6 100644
--- a/tests/tests/media/src/android/media/cts/VolumeShaperTest.java
+++ b/tests/tests/media/src/android/media/cts/VolumeShaperTest.java
@@ -115,6 +115,15 @@
.setDuration(RAMP_TIME_MS)
.build();
+ // a step ramp is not continuous, so we have a different test for it.
+ private static final VolumeShaper.Configuration STEP_RAMP =
+ new VolumeShaper.Configuration.Builder()
+ .setInterpolatorType(VolumeShaper.Configuration.INTERPOLATOR_TYPE_STEP)
+ .setCurve(new float[] { 0.f, 1.f } /* times */,
+ new float[] { 0.f, 1.f } /* volumes */)
+ .setDuration(RAMP_TIME_MS)
+ .build();
+
private static final VolumeShaper.Configuration[] ALL_STANDARD_RAMPS = {
LINEAR_RAMP,
CUBIC_RAMP,
@@ -877,6 +886,132 @@
} // testPlayerCubicMonotonic
@LargeTest
+ public void testPlayerStepRamp() throws Exception {
+ final String TEST_NAME = "testPlayerStepRamp";
+ if (!hasAudioOutput()) {
+ Log.w(TAG, "AUDIO_OUTPUT feature not found. This system might not have a valid "
+ + "audio output HAL");
+ return;
+ }
+
+ // We test that the step ramp persists on value until the next control point.
+ // The STEP_RAMP has only 2 control points (at time 0.f and at 1.f).
+ // It should suddenly jump to full volume at 1.f (full duration).
+ // Note: invertVolumes() and reflectTimes() are not symmetric for STEP interpolation;
+ // however, VolumeShaper.Operation.REVERSE will behave symmetrically.
+ for (int p = 0; p < PLAYER_TYPES; ++p) {
+ try ( Player player = createPlayer(p);
+ VolumeShaper volumeShaper = player.createVolumeShaper(SILENCE);
+ ) {
+ final String testName = TEST_NAME + " " + player.name();
+ volumeShaper.apply(VolumeShaper.Operation.PLAY);
+ player.start();
+ Thread.sleep(WARMUP_TIME_MS);
+
+ final VolumeShaper.Configuration configuration = STEP_RAMP;
+ Log.d(TAG, testName + " starting test (sudden jump to full after "
+ + RAMP_TIME_MS + " milliseconds)");
+
+ volumeShaper.replace(configuration,
+ VolumeShaper.Operation.PLAY, true /* join */);
+
+ Thread.sleep(RAMP_TIME_MS / 2);
+ float lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " middle value should be 0.f, but is " + lastVolume,
+ 0.f, lastVolume, VOLUME_TOLERANCE);
+
+ Thread.sleep(RAMP_TIME_MS / 2 + 1000);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " final value should be 1.f, but is " + lastVolume,
+ 1.f, lastVolume, VOLUME_TOLERANCE);
+
+ Log.d(TAG, "invert (sudden jump to silence after "
+ + RAMP_TIME_MS + " milliseconds)");
+ // invert
+ VolumeShaper.Configuration newConfiguration =
+ new VolumeShaper.Configuration.Builder(configuration)
+ .invertVolumes()
+ .build();
+ volumeShaper.replace(newConfiguration,
+ VolumeShaper.Operation.PLAY, true /* join */);
+
+ Thread.sleep(RAMP_TIME_MS / 2);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " middle value should be 1.f, but is " + lastVolume,
+ 1.f, lastVolume, VOLUME_TOLERANCE);
+
+ Thread.sleep(RAMP_TIME_MS / 2 + 1000);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " final value should be 0.f, but is " + lastVolume,
+ 0.f, lastVolume, VOLUME_TOLERANCE);
+
+ // invert + reflect
+ Log.d(TAG, "invert and reflect (sudden jump to full after "
+ + RAMP_TIME_MS + " milliseconds)");
+ newConfiguration =
+ new VolumeShaper.Configuration.Builder(configuration)
+ .invertVolumes()
+ .reflectTimes()
+ .build();
+ volumeShaper.replace(newConfiguration,
+ VolumeShaper.Operation.PLAY, true /* join */);
+
+ Thread.sleep(RAMP_TIME_MS / 2);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " middle value should be 0.f, but is " + lastVolume,
+ 0.f, lastVolume, VOLUME_TOLERANCE);
+
+ Thread.sleep(RAMP_TIME_MS / 2 + 1000);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " final value should be 1.f, but is " + lastVolume,
+ 1.f, lastVolume, VOLUME_TOLERANCE);
+
+ // reflect
+ Log.d(TAG, "reflect (sudden jump to silence after "
+ + RAMP_TIME_MS + " milliseconds)");
+ newConfiguration =
+ new VolumeShaper.Configuration.Builder(configuration)
+ .reflectTimes()
+ .build();
+ volumeShaper.replace(newConfiguration,
+ VolumeShaper.Operation.PLAY, true /* join */);
+
+ Thread.sleep(RAMP_TIME_MS / 2);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " middle value should be 1.f, but is " + lastVolume,
+ 1.f, lastVolume, VOLUME_TOLERANCE);
+
+ Thread.sleep(RAMP_TIME_MS / 2 + 1000);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " final value should be 0.f, but is " + lastVolume,
+ 0.f, lastVolume, VOLUME_TOLERANCE);
+
+ Log.d(TAG, "reverse (immediate jump to full)");
+ volumeShaper.apply(VolumeShaper.Operation.REVERSE);
+ Thread.sleep(RAMP_TIME_MS / 2);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " middle value should be 1.f, but is " + lastVolume,
+ 1.f, lastVolume, VOLUME_TOLERANCE);
+
+ Thread.sleep(RAMP_TIME_MS / 2 + 1000);
+ lastVolume = volumeShaper.getVolume();
+ assertEquals(testName
+ + " final value should be 1.f, but is " + lastVolume,
+ 1.f, lastVolume, VOLUME_TOLERANCE);
+ }
+ }
+ } // testPlayerStepRamp
+
+ @LargeTest
public void testPlayerTwoShapers() throws Exception {
final String TEST_NAME = "testPlayerTwoShapers";
if (!hasAudioOutput()) {
