audio HAL V7.1: add latency mode control APIs
Bug: 187446271
Test: make
Change-Id: Ib6ee708d312e4e630637d8b7fb92fda4854590aa
diff --git a/media/libaudiohal/impl/StreamHalHidl.cpp b/media/libaudiohal/impl/StreamHalHidl.cpp
index 703d302..b2f1cf3 100644
--- a/media/libaudiohal/impl/StreamHalHidl.cpp
+++ b/media/libaudiohal/impl/StreamHalHidl.cpp
@@ -686,6 +686,7 @@
// Codec format callback is supported starting from audio HAL V6.0
return INVALID_OPERATION;
}
+
#else
status_t StreamOutHalHidl::getDualMonoMode(audio_dual_mono_mode_t* mode) {
@@ -791,6 +792,84 @@
}
#endif
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+using hardware::audio::V7_1::LatencyMode;
+
+status_t StreamOutHalHidl::setLatencyMode(audio_latency_mode_t mode) {
+ if (mStream == 0) return NO_INIT;
+ return processReturn(
+ "setLatencyMode", mStream->setLatencyMode(static_cast<LatencyMode>(mode)));
+};
+
+status_t StreamOutHalHidl::getRecommendedLatencyModes(std::vector<audio_latency_mode_t> *modes) {
+ if (!mStream) return NO_INIT;
+ Result retval;
+ Return<void> ret = mStream->getRecommendedLatencyModes(
+ [&](Result r, hidl_vec<LatencyMode> hidlModes) {
+ retval = r;
+ for (size_t i = 0; i < hidlModes.size(); i++) {
+ modes->push_back(static_cast<audio_latency_mode_t>(hidlModes[i]));
+ }
+ });
+ return processReturn("getRecommendedLatencyModes", ret, retval);
+};
+
+#include PATH(android/hardware/audio/FILE_VERSION/IStreamOutLatencyModeCallback.h)
+
+using hardware::audio::V7_1::IStreamOutLatencyModeCallback;
+
+namespace {
+struct StreamOutLatencyModeCallback : public IStreamOutLatencyModeCallback {
+ StreamOutLatencyModeCallback(const wp<StreamOutHalHidl>& stream) : mStream(stream) {}
+
+ // IStreamOutLatencyModeCallback implementation
+ Return<void> onRecommendedLatencyModeChanged(const hidl_vec<LatencyMode>& hidlModes) override {
+ sp<StreamOutHalHidl> stream = mStream.promote();
+ if (stream != nullptr) {
+ std::vector<audio_latency_mode_t> modes;
+ for (size_t i = 0; i < hidlModes.size(); i++) {
+ modes.push_back(static_cast<audio_latency_mode_t>(hidlModes[i]));
+ }
+ stream->onRecommendedLatencyModeChanged(modes);
+ }
+ return Void();
+ }
+
+ private:
+ wp<StreamOutHalHidl> mStream;
+};
+} // namespace
+
+status_t StreamOutHalHidl::setLatencyModeCallback(
+ const sp<StreamOutHalInterfaceLatencyModeCallback>& callback) {
+
+ if (mStream == nullptr) return NO_INIT;
+ mLatencyModeCallback = callback;
+ status_t status = processReturn(
+ "setLatencyModeCallback",
+ mStream->setLatencyModeCallback(
+ callback.get() == nullptr ? nullptr : new StreamOutLatencyModeCallback(this)));
+ return status;
+};
+
+#else
+
+status_t StreamOutHalHidl::setLatencyMode(audio_latency_mode_t mode __unused) {
+ return INVALID_OPERATION;
+};
+
+status_t StreamOutHalHidl::getRecommendedLatencyModes(
+ std::vector<audio_latency_mode_t> *modes __unused) {
+ return INVALID_OPERATION;
+};
+
+status_t StreamOutHalHidl::setLatencyModeCallback(
+ const sp<StreamOutHalInterfaceLatencyModeCallback>& callback __unused) {
+ return INVALID_OPERATION;
+};
+
+#endif
+
void StreamOutHalHidl::onWriteReady() {
sp<StreamOutHalInterfaceCallback> callback = mCallback.load().promote();
if (callback == 0) return;
@@ -819,6 +898,13 @@
callback->onCodecFormatChanged(metadataBs);
}
+void StreamOutHalHidl::onRecommendedLatencyModeChanged(
+ const std::vector<audio_latency_mode_t>& modes) {
+ sp<StreamOutHalInterfaceLatencyModeCallback> callback = mLatencyModeCallback.load().promote();
+ if (callback == nullptr) return;
+ callback->onRecommendedLatencyModeChanged(modes);
+}
+
StreamInHalHidl::StreamInHalHidl(
const sp<::android::hardware::audio::CPP_VERSION::IStreamIn>& stream)
diff --git a/media/libaudiohal/impl/StreamHalHidl.h b/media/libaudiohal/impl/StreamHalHidl.h
index 97ad87d..03342ef 100644
--- a/media/libaudiohal/impl/StreamHalHidl.h
+++ b/media/libaudiohal/impl/StreamHalHidl.h
@@ -189,6 +189,13 @@
// Methods used by StreamCodecFormatCallback (HIDL).
void onCodecFormatChanged(const std::basic_string<uint8_t>& metadataBs);
+ status_t setLatencyMode(audio_latency_mode_t mode) override;
+ status_t getRecommendedLatencyModes(std::vector<audio_latency_mode_t> *modes) override;
+ status_t setLatencyModeCallback(
+ const sp<StreamOutHalInterfaceLatencyModeCallback>& callback) override;
+
+ void onRecommendedLatencyModeChanged(const std::vector<audio_latency_mode_t>& modes);
+
private:
friend class DeviceHalHidl;
typedef MessageQueue<WriteCommand, hardware::kSynchronizedReadWrite> CommandMQ;
@@ -197,6 +204,8 @@
mediautils::atomic_wp<StreamOutHalInterfaceCallback> mCallback;
mediautils::atomic_wp<StreamOutHalInterfaceEventCallback> mEventCallback;
+ mediautils::atomic_wp<StreamOutHalInterfaceLatencyModeCallback> mLatencyModeCallback;
+
const sp<::android::hardware::audio::CPP_VERSION::IStreamOut> mStream;
std::unique_ptr<CommandMQ> mCommandMQ;
std::unique_ptr<DataMQ> mDataMQ;
diff --git a/media/libaudiohal/impl/StreamHalLocal.h b/media/libaudiohal/impl/StreamHalLocal.h
index e6e5037..770137f 100644
--- a/media/libaudiohal/impl/StreamHalLocal.h
+++ b/media/libaudiohal/impl/StreamHalLocal.h
@@ -168,6 +168,18 @@
status_t setEventCallback(const sp<StreamOutHalInterfaceEventCallback>& callback) override;
+ status_t setLatencyMode(audio_latency_mode_t mode __unused) override {
+ return INVALID_OPERATION;
+ }
+ status_t getRecommendedLatencyModes(
+ std::vector<audio_latency_mode_t> *modes __unused) override {
+ return INVALID_OPERATION;
+ }
+ status_t setLatencyModeCallback(
+ const sp<StreamOutHalInterfaceLatencyModeCallback>& callback __unused) override {
+ return INVALID_OPERATION;
+ }
+
private:
audio_stream_out_t *mStream;
wp<StreamOutHalInterfaceCallback> mCallback;