mirror of
https://github.com/androidx/media.git
synced 2025-04-30 06:46:50 +08:00
Fix DefaultAudioTrackBufferSizeProvider test
And move them in separate top level classes so that presubmit runs them. #minor-release PiperOrigin-RevId: 427482430
This commit is contained in:
krocard
Ian Baker
parent
86d5de8adf
commit
ed111cbfaa
@ -0,0 +1,57 @@
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package androidx.media3.exoplayer.audio;
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import static androidx.media3.common.C.MICROS_PER_SECOND;
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import static androidx.media3.exoplayer.audio.DefaultAudioSink.OUTPUT_MODE_PASSTHROUGH;
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import static androidx.media3.exoplayer.audio.DefaultAudioTrackBufferSizeProvider.getMaximumEncodedRateBytesPerSecond;
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import static com.google.common.truth.Truth.assertThat;
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import androidx.media3.common.C;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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/** Tests for {@link DefaultAudioTrackBufferSizeProvider} AC3 audio. */
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@RunWith(AndroidJUnit4.class)
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public class DefaultAudioTrackBufferSizeProviderAC3Test {
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private static final DefaultAudioTrackBufferSizeProvider DEFAULT =
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new DefaultAudioTrackBufferSizeProvider.Builder().build();
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@Test
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public void
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getBufferSizeInBytes_passthroughAC3_isPassthroughBufferSizeTimesMultiplicationFactor() {
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ 0,
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/* encoding= */ C.ENCODING_AC3,
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/* outputMode= */ OUTPUT_MODE_PASSTHROUGH,
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/* pcmFrameSize= */ 1,
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/* sampleRate= */ 0,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize)
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.isEqualTo(
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durationUsToAc3MaxBytes(DEFAULT.passthroughBufferDurationUs)
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* DEFAULT.ac3BufferMultiplicationFactor);
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}
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private static int durationUsToAc3MaxBytes(long durationUs) {
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return (int)
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(durationUs * getMaximumEncodedRateBytesPerSecond(C.ENCODING_AC3) / MICROS_PER_SECOND);
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}
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}
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@ -0,0 +1,64 @@
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package androidx.media3.exoplayer.audio;
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import static androidx.media3.exoplayer.audio.DefaultAudioSink.OUTPUT_MODE_PASSTHROUGH;
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import static com.google.common.truth.Truth.assertThat;
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import androidx.media3.common.C;
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import com.google.common.collect.ImmutableList;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.ParameterizedRobolectricTestRunner;
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/**
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* Tests for {@link DefaultAudioTrackBufferSizeProvider} for encoded audio except {@link
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* C#ENCODING_AC3}.
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*/
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@RunWith(ParameterizedRobolectricTestRunner.class)
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public class DefaultAudioTrackBufferSizeProviderEncodedTest {
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private static final DefaultAudioTrackBufferSizeProvider DEFAULT =
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new DefaultAudioTrackBufferSizeProvider.Builder().build();
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@ParameterizedRobolectricTestRunner.Parameter(0)
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public @C.Encoding int encoding;
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@ParameterizedRobolectricTestRunner.Parameters(name = "{index}: encoding={0}")
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public static ImmutableList<Integer> data() {
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return ImmutableList.of(
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C.ENCODING_MP3,
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C.ENCODING_AAC_LC,
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C.ENCODING_AAC_HE_V1,
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C.ENCODING_AC4,
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C.ENCODING_DTS,
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C.ENCODING_DOLBY_TRUEHD);
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}
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@Test
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public void getBufferSizeInBytes_veryBigMinBufferSize_isMinBufferSize() {
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ 123456789,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PASSTHROUGH,
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/* pcmFrameSize= */ 1,
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/* sampleRate= */ 0,
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/* maxAudioTrackPlaybackSpeed= */ 0);
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assertThat(bufferSize).isEqualTo(123456789);
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}
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}
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@ -0,0 +1,213 @@
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package androidx.media3.exoplayer.audio;
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import static androidx.media3.common.C.MICROS_PER_SECOND;
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import static androidx.media3.exoplayer.audio.DefaultAudioSink.OUTPUT_MODE_PCM;
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import static com.google.common.truth.Truth.assertThat;
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import static java.lang.Math.ceil;
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import androidx.media3.common.C;
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import androidx.media3.common.util.Util;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.Sets;
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import java.util.List;
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import java.util.stream.Collectors;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.ParameterizedRobolectricTestRunner;
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/** Tests for {@link DefaultAudioTrackBufferSizeProvider} for PCM audio. */
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@RunWith(ParameterizedRobolectricTestRunner.class)
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public class DefaultAudioTrackBufferSizeProviderPcmTest {
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private static final DefaultAudioTrackBufferSizeProvider DEFAULT =
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new DefaultAudioTrackBufferSizeProvider.Builder().build();
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@ParameterizedRobolectricTestRunner.Parameter(0)
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public @C.PcmEncoding int encoding;
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@ParameterizedRobolectricTestRunner.Parameter(1)
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public int channelCount;
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@ParameterizedRobolectricTestRunner.Parameter(2)
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public int sampleRate;
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@ParameterizedRobolectricTestRunner.Parameters(
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name = "{index}: encoding={0}, channelCount={1}, sampleRate={2}")
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public static List<Integer[]> data() {
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return Sets.cartesianProduct(
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ImmutableList.of(
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/* encoding */ ImmutableSet.of(
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C.ENCODING_PCM_8BIT,
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C.ENCODING_PCM_16BIT,
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C.ENCODING_PCM_16BIT_BIG_ENDIAN,
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C.ENCODING_PCM_24BIT,
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C.ENCODING_PCM_32BIT,
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C.ENCODING_PCM_FLOAT),
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/* channelCount */ ImmutableSet.of(1, 2, 3, 4, 6, 8),
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/* sampleRate*/ ImmutableSet.of(
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8000, 11025, 16000, 22050, 44100, 48000, 88200, 96000)))
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.stream()
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.map(s -> s.toArray(new Integer[0]))
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.collect(Collectors.toList());
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}
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private int getPcmFrameSize() {
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return Util.getPcmFrameSize(encoding, channelCount);
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}
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private int roundUpToFrame(int buffer) {
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int pcmFrameSize = getPcmFrameSize();
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return (int) ceil((double) buffer / pcmFrameSize) * pcmFrameSize;
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}
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private int durationUsToBytes(int durationUs) {
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return (int) ((long) durationUs * getPcmFrameSize() * sampleRate / MICROS_PER_SECOND);
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}
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@Test
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public void getBufferSizeInBytes_veryBigMinBufferSize_isMinBufferSize() {
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ 1234567890,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize).isEqualTo(roundUpToFrame(1234567890));
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}
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@Test
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public void getBufferSizeInBytes_noMinBufferSize_isMinBufferDuration() {
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ 0,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize)
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.isEqualTo(roundUpToFrame(durationUsToBytes(DEFAULT.minPcmBufferDurationUs)));
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}
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@Test
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public void getBufferSizeInBytes_tooSmallMinBufferSize_isMinBufferDuration() {
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int minBufferSizeInBytes =
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durationUsToBytes(DEFAULT.minPcmBufferDurationUs / DEFAULT.pcmBufferMultiplicationFactor)
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- 1;
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ minBufferSizeInBytes,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize)
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.isEqualTo(roundUpToFrame(durationUsToBytes(DEFAULT.minPcmBufferDurationUs)));
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}
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@Test
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public void getBufferSizeInBytes_lowMinBufferSize_multipliesAudioTrackMinBuffer() {
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int minBufferSizeInBytes =
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durationUsToBytes(DEFAULT.minPcmBufferDurationUs / DEFAULT.pcmBufferMultiplicationFactor)
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+ 1;
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ minBufferSizeInBytes,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize)
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.isEqualTo(roundUpToFrame(minBufferSizeInBytes * DEFAULT.pcmBufferMultiplicationFactor));
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}
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@Test
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public void getBufferSizeInBytes_highMinBufferSize_multipliesAudioTrackMinBuffer() {
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int minBufferSizeInBytes =
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durationUsToBytes(DEFAULT.maxPcmBufferDurationUs / DEFAULT.pcmBufferMultiplicationFactor)
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- 1;
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ minBufferSizeInBytes,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize)
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.isEqualTo(roundUpToFrame(minBufferSizeInBytes * DEFAULT.pcmBufferMultiplicationFactor));
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}
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@Test
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public void getBufferSizeInBytes_tooHighMinBufferSize_isMaxBufferDuration() {
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int minBufferSizeInBytes =
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durationUsToBytes(DEFAULT.maxPcmBufferDurationUs / DEFAULT.pcmBufferMultiplicationFactor)
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+ 1;
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ minBufferSizeInBytes,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize)
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.isEqualTo(roundUpToFrame(durationUsToBytes(DEFAULT.maxPcmBufferDurationUs)));
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}
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@Test
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public void getBufferSizeInBytes_lowPlaybackSpeed_isScaledByPlaybackSpeed() {
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ 0,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1 / 5F);
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assertThat(bufferSize)
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.isEqualTo(roundUpToFrame(durationUsToBytes(DEFAULT.minPcmBufferDurationUs) / 5));
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}
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@Test
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public void getBufferSizeInBytes_highPlaybackSpeed_isScaledByPlaybackSpeed() {
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ 0,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 8F);
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int expected = roundUpToFrame(durationUsToBytes(DEFAULT.minPcmBufferDurationUs) * 8);
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assertThat(bufferSize).isEqualTo(expected);
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}
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}
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@ -1,268 +0,0 @@
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
|
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* You may obtain a copy of the License at
|
||||
*
|
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* http://www.apache.org/licenses/LICENSE-2.0
|
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*
|
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* Unless required by applicable law or agreed to in writing, software
|
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* distributed under the License is distributed on an "AS IS" BASIS,
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
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* limitations under the License.
|
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*/
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package androidx.media3.exoplayer.audio;
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import static androidx.media3.exoplayer.audio.DefaultAudioSink.OUTPUT_MODE_PASSTHROUGH;
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import static androidx.media3.exoplayer.audio.DefaultAudioSink.OUTPUT_MODE_PCM;
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import static androidx.media3.exoplayer.audio.DefaultAudioTrackBufferSizeProvider.getMaximumEncodedRateBytesPerSecond;
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import static com.google.common.truth.Truth.assertThat;
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import androidx.media3.common.C;
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import androidx.media3.common.util.Util;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.Sets;
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import java.util.List;
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import java.util.stream.Collectors;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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import org.junit.runners.Parameterized;
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/** Tests for {@link DefaultAudioTrackBufferSizeProvider}. */
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@RunWith(JUnit4.class)
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public class DefaultAudioTrackBufferSizeProviderTest {
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private static final DefaultAudioTrackBufferSizeProvider DEFAULT =
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new DefaultAudioTrackBufferSizeProvider.Builder().build();
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/** Tests for {@link DefaultAudioTrackBufferSizeProvider} for PCM audio. */
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@RunWith(Parameterized.class)
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public static class PcmTest {
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@Parameterized.Parameter(0)
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public @C.PcmEncoding int encoding;
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@Parameterized.Parameter(1)
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public int channelCount;
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@Parameterized.Parameter(2)
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public int sampleRate;
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@Parameterized.Parameters(name = "{index}: encoding={0}, channelCount={1}, sampleRate={2}")
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public static List<Integer[]> data() {
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return Sets.cartesianProduct(
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ImmutableList.of(
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/* encoding */ ImmutableSet.of(
|
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C.ENCODING_PCM_8BIT,
|
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C.ENCODING_PCM_16BIT,
|
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C.ENCODING_PCM_16BIT_BIG_ENDIAN,
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C.ENCODING_PCM_24BIT,
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C.ENCODING_PCM_32BIT,
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C.ENCODING_PCM_FLOAT),
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/* channelCount */ ImmutableSet.of(1, 2, 3, 4, 6, 8),
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/* sampleRate*/ ImmutableSet.of(
|
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8000, 11025, 16000, 22050, 44100, 48000, 88200, 96000)))
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.stream()
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.map(s -> s.toArray(new Integer[0]))
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.collect(Collectors.toList());
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}
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private int getPcmFrameSize() {
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return Util.getPcmFrameSize(encoding, channelCount);
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}
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private int durationUsToBytes(int durationUs) {
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return (int) (((long) durationUs * getPcmFrameSize() * sampleRate) / C.MICROS_PER_SECOND);
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}
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@Test
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public void getBufferSizeInBytes_veryBigMinBufferSize_isMinBufferSize() {
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ 123456789,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize).isEqualTo(123456789);
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}
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@Test
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public void getBufferSizeInBytes_noMinBufferSize_isMinBufferDuration() {
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int bufferSize =
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DEFAULT.getBufferSizeInBytes(
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/* minBufferSizeInBytes= */ 0,
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/* encoding= */ encoding,
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/* outputMode= */ OUTPUT_MODE_PCM,
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/* pcmFrameSize= */ getPcmFrameSize(),
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/* sampleRate= */ sampleRate,
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/* maxAudioTrackPlaybackSpeed= */ 1);
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assertThat(bufferSize).isEqualTo(durationUsToBytes(DEFAULT.minPcmBufferDurationUs));
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assertThat(bufferSize % getPcmFrameSize()).isEqualTo(0);
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}
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@Test
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public void getBufferSizeInBytes_tooSmallMinBufferSize_isMinBufferDuration() {
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int minBufferSizeInBytes =
|
||||
durationUsToBytes(DEFAULT.minPcmBufferDurationUs / DEFAULT.pcmBufferMultiplicationFactor)
|
||||
- 1;
|
||||
int bufferSize =
|
||||
DEFAULT.getBufferSizeInBytes(
|
||||
/* minBufferSizeInBytes= */ minBufferSizeInBytes,
|
||||
/* encoding= */ encoding,
|
||||
/* outputMode= */ OUTPUT_MODE_PCM,
|
||||
/* pcmFrameSize= */ getPcmFrameSize(),
|
||||
/* sampleRate= */ sampleRate,
|
||||
/* maxAudioTrackPlaybackSpeed= */ 1);
|
||||
|
||||
assertThat(bufferSize).isEqualTo(durationUsToBytes(DEFAULT.minPcmBufferDurationUs));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void getBufferSizeInBytes_lowMinBufferSize_multipliesAudioTrackMinBuffer() {
|
||||
int minBufferSizeInBytes =
|
||||
durationUsToBytes(DEFAULT.minPcmBufferDurationUs / DEFAULT.pcmBufferMultiplicationFactor)
|
||||
+ 1;
|
||||
int bufferSize =
|
||||
DEFAULT.getBufferSizeInBytes(
|
||||
/* minBufferSizeInBytes= */ minBufferSizeInBytes,
|
||||
/* encoding= */ encoding,
|
||||
/* outputMode= */ OUTPUT_MODE_PCM,
|
||||
/* pcmFrameSize= */ getPcmFrameSize(),
|
||||
/* sampleRate= */ sampleRate,
|
||||
/* maxAudioTrackPlaybackSpeed= */ 1);
|
||||
|
||||
assertThat(bufferSize)
|
||||
.isEqualTo(minBufferSizeInBytes * DEFAULT.pcmBufferMultiplicationFactor);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void getBufferSizeInBytes_highMinBufferSize_multipliesAudioTrackMinBuffer() {
|
||||
int minBufferSizeInBytes =
|
||||
durationUsToBytes(DEFAULT.maxPcmBufferDurationUs / DEFAULT.pcmBufferMultiplicationFactor)
|
||||
- 1;
|
||||
int bufferSize =
|
||||
DEFAULT.getBufferSizeInBytes(
|
||||
/* minBufferSizeInBytes= */ minBufferSizeInBytes,
|
||||
/* encoding= */ encoding,
|
||||
/* outputMode= */ OUTPUT_MODE_PCM,
|
||||
/* pcmFrameSize= */ getPcmFrameSize(),
|
||||
/* sampleRate= */ sampleRate,
|
||||
/* maxAudioTrackPlaybackSpeed= */ 1);
|
||||
|
||||
assertThat(bufferSize)
|
||||
.isEqualTo(minBufferSizeInBytes * DEFAULT.pcmBufferMultiplicationFactor);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void getBufferSizeInBytes_tooHighMinBufferSize_isMaxBufferDuration() {
|
||||
int minBufferSizeInBytes =
|
||||
durationUsToBytes(DEFAULT.maxPcmBufferDurationUs / DEFAULT.pcmBufferMultiplicationFactor)
|
||||
+ 1;
|
||||
int bufferSize =
|
||||
DEFAULT.getBufferSizeInBytes(
|
||||
/* minBufferSizeInBytes= */ minBufferSizeInBytes,
|
||||
/* encoding= */ encoding,
|
||||
/* outputMode= */ OUTPUT_MODE_PCM,
|
||||
/* pcmFrameSize= */ getPcmFrameSize(),
|
||||
/* sampleRate= */ sampleRate,
|
||||
/* maxAudioTrackPlaybackSpeed= */ 1);
|
||||
|
||||
assertThat(bufferSize).isEqualTo(durationUsToBytes(DEFAULT.maxPcmBufferDurationUs));
|
||||
assertThat(bufferSize % getPcmFrameSize()).isEqualTo(0);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void getBufferSizeInBytes_lowPlaybackSpeed_isScaledByPlaybackSpeed() {
|
||||
int bufferSize =
|
||||
DEFAULT.getBufferSizeInBytes(
|
||||
/* minBufferSizeInBytes= */ 0,
|
||||
/* encoding= */ encoding,
|
||||
/* outputMode= */ OUTPUT_MODE_PCM,
|
||||
/* pcmFrameSize= */ getPcmFrameSize(),
|
||||
/* sampleRate= */ sampleRate,
|
||||
/* maxAudioTrackPlaybackSpeed= */ 1 / 5F);
|
||||
|
||||
assertThat(bufferSize).isEqualTo(durationUsToBytes(DEFAULT.minPcmBufferDurationUs / 5));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void getBufferSizeInBytes_highPlaybackSpeed_isScaledByPlaybackSpeed() {
|
||||
int bufferSize =
|
||||
DEFAULT.getBufferSizeInBytes(
|
||||
/* minBufferSizeInBytes= */ 0,
|
||||
/* encoding= */ encoding,
|
||||
/* outputMode= */ OUTPUT_MODE_PCM,
|
||||
/* pcmFrameSize= */ getPcmFrameSize(),
|
||||
/* sampleRate= */ sampleRate,
|
||||
/* maxAudioTrackPlaybackSpeed= */ 8F);
|
||||
|
||||
assertThat(bufferSize).isEqualTo(durationUsToBytes(DEFAULT.minPcmBufferDurationUs * 8));
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Tests for {@link DefaultAudioTrackBufferSizeProvider} for encoded audio except {@link
|
||||
* C#ENCODING_AC3}.
|
||||
*/
|
||||
@RunWith(Parameterized.class)
|
||||
public static class EncodedTest {
|
||||
|
||||
@Parameterized.Parameter(0)
|
||||
public @C.Encoding int encoding;
|
||||
|
||||
@Parameterized.Parameters(name = "{index}: encoding={0}")
|
||||
public static ImmutableList<Integer> data() {
|
||||
return ImmutableList.of(
|
||||
C.ENCODING_MP3,
|
||||
C.ENCODING_AAC_LC,
|
||||
C.ENCODING_AAC_HE_V1,
|
||||
C.ENCODING_AC4,
|
||||
C.ENCODING_DTS,
|
||||
C.ENCODING_DOLBY_TRUEHD);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void getBufferSizeInBytes_veryBigMinBufferSize_isMinBufferSize() {
|
||||
int bufferSize =
|
||||
DEFAULT.getBufferSizeInBytes(
|
||||
/* minBufferSizeInBytes= */ 123456789,
|
||||
/* encoding= */ encoding,
|
||||
/* outputMode= */ OUTPUT_MODE_PASSTHROUGH,
|
||||
/* pcmFrameSize= */ 1,
|
||||
/* sampleRate= */ 0,
|
||||
/* maxAudioTrackPlaybackSpeed= */ 0);
|
||||
|
||||
assertThat(bufferSize).isEqualTo(123456789);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void
|
||||
getBufferSizeInBytes_passthroughAC3_isPassthroughBufferSizeTimesMultiplicationFactor() {
|
||||
int bufferSize =
|
||||
DEFAULT.getBufferSizeInBytes(
|
||||
/* minBufferSizeInBytes= */ 0,
|
||||
/* encoding= */ C.ENCODING_AC3,
|
||||
/* outputMode= */ OUTPUT_MODE_PASSTHROUGH,
|
||||
/* pcmFrameSize= */ 1,
|
||||
/* sampleRate= */ 0,
|
||||
/* maxAudioTrackPlaybackSpeed= */ 1);
|
||||
|
||||
assertThat(bufferSize)
|
||||
.isEqualTo(
|
||||
durationUsToAc3MaxBytes(DEFAULT.passthroughBufferDurationUs)
|
||||
* DEFAULT.ac3BufferMultiplicationFactor);
|
||||
}
|
||||
|
||||
private static int durationUsToAc3MaxBytes(long durationUs) {
|
||||
return (int)
|
||||
(durationUs * getMaximumEncodedRateBytesPerSecond(C.ENCODING_AC3) / C.MICROS_PER_SECOND);
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user