Add unit tests for trackPlayerBase
Bug: 215794102
Test: atest trackplayerbase_tests
Merged-In: I049edd9d78529ac707672c173dedebb58d3fce8b
Change-Id: I049edd9d78529ac707672c173dedebb58d3fce8b
diff --git a/media/libaudioclient/tests/Android.bp b/media/libaudioclient/tests/Android.bp
index a61c939..1a7aab3 100644
--- a/media/libaudioclient/tests/Android.bp
+++ b/media/libaudioclient/tests/Android.bp
@@ -178,3 +178,9 @@
"audio_test_utils.cpp",
],
}
+
+cc_test {
+ name: "trackplayerbase_tests",
+ defaults: ["libaudioclient_gtests_defaults"],
+ srcs: ["trackplayerbase_tests.cpp"],
+}
diff --git a/media/libaudioclient/tests/trackplayerbase_tests.cpp b/media/libaudioclient/tests/trackplayerbase_tests.cpp
new file mode 100644
index 0000000..ea4b46e
--- /dev/null
+++ b/media/libaudioclient/tests/trackplayerbase_tests.cpp
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "TrackPlayerBaseTest"
+
+#include <gtest/gtest.h>
+
+#include <media/TrackPlayerBase.h>
+
+using namespace android;
+using namespace android::media;
+
+class TrackPlayer : public TrackPlayerBase, public AudioTrack::IAudioTrackCallback {
+ public:
+ // methods protected in base class
+ using TrackPlayerBase::playerPause;
+ using TrackPlayerBase::playerSetVolume;
+ using TrackPlayerBase::playerStart;
+ using TrackPlayerBase::playerStop;
+};
+
+class TrackPlayerBaseTest
+ : public ::testing::TestWithParam<std::tuple<double, double, uint32_t, uint32_t>> {
+ public:
+ TrackPlayerBaseTest()
+ : mDuration(std::get<0>(GetParam())),
+ mPulseFreq(std::get<1>(GetParam())),
+ mChannelCount(std::get<2>(GetParam())),
+ mSampleRate(std::get<3>(GetParam())){};
+
+ virtual void SetUp() override {
+ mFrameCount = mDuration * mSampleRate;
+ audio_channel_mask_t channelMask = audio_channel_out_mask_from_count(mChannelCount);
+ sp<AudioTrack> track =
+ new AudioTrack(mStreamType, mSampleRate, mFormat, channelMask, mFrameCount, mFlags,
+ NULL, nullptr, 0, AUDIO_SESSION_NONE);
+ ASSERT_EQ(track->initCheck(), NO_ERROR);
+
+ mPlayer = new TrackPlayer();
+ mPlayer->init(track.get(), mPlayer, PLAYER_TYPE_AAUDIO, AUDIO_USAGE_MEDIA,
+ AUDIO_SESSION_NONE);
+ sp<AudioTrack> playerTrack = mPlayer->mAudioTrack;
+ ASSERT_EQ(playerTrack->initCheck(), NO_ERROR);
+
+ mBufferSize = mFrameCount * playerTrack->frameSize();
+ mBuffer.resize(mBufferSize, 0);
+
+ // populate buffer
+ ASSERT_NE(mPulseFreq, 0);
+ int32_t nPulseSamples = mSampleRate / mPulseFreq;
+ int32_t pulseSize = nPulseSamples * playerTrack->frameSize();
+
+ int32_t marker = 0;
+ while (marker + pulseSize <= mBufferSize) {
+ memset(mBuffer.data() + marker, 127, pulseSize / 2);
+ marker += pulseSize;
+ }
+ }
+
+ void playBuffer() {
+ bool blocking = true;
+ ssize_t nbytes = mPlayer->mAudioTrack->write(mBuffer.data(), mBufferSize, blocking);
+ EXPECT_EQ(nbytes, mBufferSize) << "Did not write all data in blocking mode";
+ }
+
+ const double mDuration; // seconds
+ sp<TrackPlayer> mPlayer;
+
+ private:
+ const double mPulseFreq;
+ const uint32_t mChannelCount;
+ const uint32_t mSampleRate;
+
+ const audio_format_t mFormat = AUDIO_FORMAT_PCM_16_BIT;
+ const audio_output_flags_t mFlags = AUDIO_OUTPUT_FLAG_NONE;
+ const audio_stream_type_t mStreamType = AUDIO_STREAM_MUSIC;
+
+ int32_t mBufferSize;
+ int32_t mFrameCount;
+ std::vector<uint8_t> mBuffer;
+};
+
+class PlaybackTestParam : public TrackPlayerBaseTest {};
+
+TEST_P(PlaybackTestParam, PlaybackTest) {
+ // no-op implementation
+ EXPECT_TRUE(mPlayer->setStartDelayMs(0).isOk());
+
+ ASSERT_EQ(mPlayer->playerStart(), NO_ERROR);
+ ASSERT_NO_FATAL_FAILURE(playBuffer());
+ EXPECT_EQ(mPlayer->playerStop(), NO_ERROR);
+}
+
+INSTANTIATE_TEST_SUITE_P(TrackPlayerTest, PlaybackTestParam,
+ ::testing::Values(std::make_tuple(2.5, 25.0, 2, 48000)));
+
+class ChangeVolumeTestParam : public TrackPlayerBaseTest {};
+
+TEST_P(ChangeVolumeTestParam, ChangeVolumeTest) {
+ float volume = 1.0f;
+ (void)mPlayer->setPlayerVolume(volume / 2, volume);
+
+ ASSERT_TRUE(mPlayer->start().isOk());
+ ASSERT_EQ(mPlayer->playerSetVolume(), NO_ERROR);
+
+ ASSERT_NO_FATAL_FAILURE(playBuffer());
+
+ EXPECT_TRUE(mPlayer->stop().isOk());
+
+ std::vector<float> setVol = {0.95f, 0.05f, 0.5f, 0.25f, -1.0f, 1.0f, 1.0f};
+ std::vector<float> setPan = {0.0f, 0.0f, 1.0f, -1.0f, -1.0f, 0.5f, -0.5f};
+
+ ASSERT_TRUE(mPlayer->start().isOk());
+
+ for (int32_t i = 0; i < setVol.size(); i++) {
+ EXPECT_TRUE(mPlayer->setVolume(setVol[i]).isOk());
+ EXPECT_TRUE(mPlayer->setPan(setPan[i]).isOk());
+ ASSERT_NO_FATAL_FAILURE(playBuffer());
+ }
+ EXPECT_TRUE(mPlayer->stop().isOk());
+}
+
+INSTANTIATE_TEST_SUITE_P(TrackPlayerTest, ChangeVolumeTestParam,
+ ::testing::Values(std::make_tuple(1.0, 100.0, 1, 24000)));
+
+class PauseTestParam : public TrackPlayerBaseTest {};
+
+TEST_P(PauseTestParam, PauseTest) {
+ ASSERT_EQ(mPlayer->playerStart(), NO_ERROR);
+ ASSERT_NO_FATAL_FAILURE(playBuffer());
+
+ ASSERT_EQ(mPlayer->playerPause(), NO_ERROR);
+ ASSERT_EQ(mPlayer->playerStart(), NO_ERROR);
+
+ ASSERT_NO_FATAL_FAILURE(playBuffer());
+
+ EXPECT_EQ(mPlayer->playerStop(), NO_ERROR);
+
+ for (int32_t i = 0; i < 5; i++) {
+ ASSERT_TRUE(mPlayer->start().isOk());
+ ASSERT_NO_FATAL_FAILURE(playBuffer());
+ ASSERT_TRUE(mPlayer->pause().isOk());
+ }
+ EXPECT_TRUE(mPlayer->stop().isOk());
+}
+
+INSTANTIATE_TEST_SUITE_P(TrackPlayerTest, PauseTestParam,
+ ::testing::Values(std::make_tuple(1.0, 75.0, 2, 24000)));