APM: Implementing configuration loading from AIDL HAL
The main change is to utilize 'getAudioPolicyConfig'
to receive the HAL-provided configuration from
the AudioFlinger and initialize runtime structures
from it.
Accompanying changes:
- made `libaudiopolicycomponents` a shared library;
- added or moved around necessary conversion functions;
Bug: 205884982
Test: run CF with AIDL HAL and compare APM dump A/B
Test: m audiopolicy_fuzzer
Test: atest audio_health_tests
Test: atest audio_aidl_ndk_conversion_tests
Change-Id: I7d0f48bf4d9d4bdaa46246aa4dfbcc49e835c6b6
diff --git a/services/audiopolicy/managerdefault/EngineLibrary.cpp b/services/audiopolicy/managerdefault/EngineLibrary.cpp
index 939fbc5..ab77941 100644
--- a/services/audiopolicy/managerdefault/EngineLibrary.cpp
+++ b/services/audiopolicy/managerdefault/EngineLibrary.cpp
@@ -40,6 +40,23 @@
return engine;
}
+EngineInstance loadApmEngineLibraryAndCreateEngine(const std::string& librarySuffix,
+ const media::audio::common::AudioHalEngineConfig& config)
+{
+ auto engLib = EngineLibrary::load(librarySuffix);
+ if (!engLib) {
+ ALOGE("%s: Failed to load the engine library, suffix \"%s\"",
+ __func__, librarySuffix.c_str());
+ return nullptr;
+ }
+ auto engine = engLib->createEngineUsingHalConfig(config);
+ if (engine == nullptr) {
+ ALOGE("%s: Failed to instantiate the APM engine", __func__);
+ return nullptr;
+ }
+ return engine;
+}
+
// static
std::shared_ptr<EngineLibrary> EngineLibrary::load(const std::string& librarySuffix)
{
@@ -53,7 +70,8 @@
close();
}
-EngineInstance EngineLibrary::createEngineUsingXmlConfig(const std::string& xmlFilePath) {
+EngineInstance EngineLibrary::createEngineUsingXmlConfig(const std::string& xmlFilePath)
+{
auto instance = createEngine();
if (instance != nullptr) {
if (status_t status = instance->loadFromXmlConfigWithFallback(xmlFilePath);
@@ -67,6 +85,21 @@
return nullptr;
}
+EngineInstance EngineLibrary::createEngineUsingHalConfig(
+ const media::audio::common::AudioHalEngineConfig& config)
+{
+ auto instance = createEngine();
+ if (instance != nullptr) {
+ if (status_t status = instance->loadFromHalConfigWithFallback(config); status == OK) {
+ return instance;
+ } else {
+ ALOGE("%s: loading of the engine config with HAL configuration \"%s\" failed: %d",
+ __func__, config.toString().c_str(), status);
+ }
+ }
+ return nullptr;
+}
+
bool EngineLibrary::init(std::string libraryPath)
{
mLibraryHandle = dlopen(libraryPath.c_str(), 0);