Support remote submix for 44.1kHz
E-AC3-JOC in IEC61937 via remote submix requires 192kHz sample rate.
As a precursor patch, add non default (i.e. 44.1kHz) remote submix
support.
Bug: 311830316
Test: atest audiorouting_tests audiopolicy_tests VirtualAudioTest
Change-Id: Ia711e0c6de63aaeb117b5eeb84224b245792bafe
diff --git a/media/libaudioclient/tests/audiorouting_tests.cpp b/media/libaudioclient/tests/audiorouting_tests.cpp
index 8151d39..a3ab9d2 100644
--- a/media/libaudioclient/tests/audiorouting_tests.cpp
+++ b/media/libaudioclient/tests/audiorouting_tests.cpp
@@ -86,7 +86,18 @@
}
}
-TEST(AudioTrackTest, DefaultRoutingTest) {
+class AudioTrackTest
+ : public ::testing::TestWithParam<int> {
+
+public:
+ AudioTrackTest()
+ : mSampleRate(GetParam()){};
+
+ const uint32_t mSampleRate;
+
+};
+
+TEST_P(AudioTrackTest, DefaultRoutingTest) {
audio_port_v7 port;
if (OK != getPortByAttributes(AUDIO_PORT_ROLE_SOURCE, AUDIO_PORT_TYPE_DEVICE,
AUDIO_DEVICE_IN_REMOTE_SUBMIX, "0", port)) {
@@ -95,7 +106,8 @@
// create record instance
sp<AudioCapture> capture = sp<AudioCapture>::make(
- AUDIO_SOURCE_REMOTE_SUBMIX, 48000, AUDIO_FORMAT_PCM_16_BIT, AUDIO_CHANNEL_IN_STEREO);
+ AUDIO_SOURCE_REMOTE_SUBMIX, mSampleRate, AUDIO_FORMAT_PCM_16_BIT,
+ AUDIO_CHANNEL_IN_STEREO);
ASSERT_NE(nullptr, capture);
ASSERT_EQ(OK, capture->create()) << "record creation failed";
sp<OnAudioDeviceUpdateNotifier> cbCapture = sp<OnAudioDeviceUpdateNotifier>::make();
@@ -103,7 +115,7 @@
// create playback instance
sp<AudioPlayback> playback = sp<AudioPlayback>::make(
- 48000 /* sampleRate */, AUDIO_FORMAT_PCM_16_BIT, AUDIO_CHANNEL_OUT_STEREO,
+ mSampleRate, AUDIO_FORMAT_PCM_16_BIT, AUDIO_CHANNEL_OUT_STEREO,
AUDIO_OUTPUT_FLAG_NONE, AUDIO_SESSION_NONE);
ASSERT_NE(nullptr, playback);
ASSERT_EQ(OK, playback->loadResource("/data/local/tmp/bbb_2ch_24kHz_s16le.raw"))
@@ -133,6 +145,12 @@
playback->stop();
}
+INSTANTIATE_TEST_SUITE_P(
+ AudioTrackParameterizedTest,
+ AudioTrackTest,
+ ::testing::Values(44100, 48000)
+);
+
class AudioRoutingTest : public ::testing::Test {
public:
void SetUp() override {
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 2ff2907..b89916d 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -7982,9 +7982,21 @@
if (result.source == AUDIO_SOURCE_HOTWORD && !inputDesc->isSoundTrigger()) {
result.source = AUDIO_SOURCE_VOICE_RECOGNITION;
}
- return result; }).
+ return result; });
//only one input device for now
- addSource(device);
+ if (audio_is_remote_submix_device(device->type())) {
+ // remote submix HAL does not support audio conversion, need source device
+ // audio config to match the sink input descriptor audio config, otherwise AIDL
+ // HAL patching will fail
+ audio_port_config srcDevicePortConfig = {};
+ device->toAudioPortConfig(&srcDevicePortConfig, nullptr);
+ srcDevicePortConfig.sample_rate = inputDesc->getSamplingRate();
+ srcDevicePortConfig.channel_mask = inputDesc->getChannelMask();
+ srcDevicePortConfig.format = inputDesc->getFormat();
+ patchBuilder.addSource(srcDevicePortConfig);
+ } else {
+ patchBuilder.addSource(device);
+ }
status = installPatch(__func__, patchHandle, inputDesc.get(), patchBuilder.patch(), 0);
}
}