codec2: signal aliases in XML vs. C2Store
AOSP codec aliases are meant to imitate OMX codec names, and this
is best done through XML.
Bug: 119631295
Bug: 112370870
Change-Id: I373db2f4c211d55056d397eb5a1dec8a37c60306
diff --git a/media/codec2/vndk/C2Store.cpp b/media/codec2/vndk/C2Store.cpp
index 0b67481..f07d9b0 100644
--- a/media/codec2/vndk/C2Store.cpp
+++ b/media/codec2/vndk/C2Store.cpp
@@ -517,7 +517,6 @@
*
* \note Only used by ComponentLoader.
*
- * \param alias[in] module alias
* \param libPath[in] library path
*
* \retval C2_OK the component module has been successfully loaded
@@ -527,7 +526,7 @@
* \retval C2_REFUSED permission denied to load the component module (unexpected)
* \retval C2_TIMED_OUT could not load the module within the time limit (unexpected)
*/
- c2_status_t init(std::string alias, std::string libPath);
+ c2_status_t init(std::string libPath);
virtual ~ComponentModule() override;
@@ -570,7 +569,7 @@
std::shared_ptr<ComponentModule> localModule = mModule.lock();
if (localModule == nullptr) {
localModule = std::make_shared<ComponentModule>();
- res = localModule->init(mAlias, mLibPath);
+ res = localModule->init(mLibPath);
if (res == C2_OK) {
mModule = localModule;
}
@@ -582,13 +581,12 @@
/**
* Creates a component loader for a specific library path (or name).
*/
- ComponentLoader(std::string alias, std::string libPath)
- : mAlias(alias), mLibPath(libPath) {}
+ ComponentLoader(std::string libPath)
+ : mLibPath(libPath) {}
private:
std::mutex mMutex; ///< mutex guarding the module
std::weak_ptr<ComponentModule> mModule; ///< weak reference to the loaded module
- std::string mAlias; ///< component alias
std::string mLibPath; ///< library path
};
@@ -624,9 +622,10 @@
};
/**
- * Retrieves the component loader for a component.
+ * Retrieves the component module for a component.
*
- * \return a non-ref-holding pointer to the component loader.
+ * \param module pointer to a shared_pointer where the component module will be stored on
+ * success.
*
* \retval C2_OK the component loader has been successfully retrieved
* \retval C2_NO_MEMORY not enough memory to locate the component loader
@@ -640,16 +639,25 @@
* component but some components could not be loaded due to lack of
* permissions)
*/
- c2_status_t findComponent(C2String name, ComponentLoader **loader);
+ c2_status_t findComponent(C2String name, std::shared_ptr<ComponentModule> *module);
- std::map<C2String, ComponentLoader> mComponents; ///< map of name -> components
- std::vector<C2String> mComponentsList; ///< list of components
+ /**
+ * Loads each component module and discover its contents.
+ */
+ void visitComponents();
+
+ std::mutex mMutex; ///< mutex guarding the component lists during construction
+ bool mVisited; ///< component modules visited
+ std::map<C2String, ComponentLoader> mComponents; ///< path -> component module
+ std::map<C2String, C2String> mComponentNameToPath; ///< name -> path
+ std::vector<std::shared_ptr<const C2Component::Traits>> mComponentList;
+
std::shared_ptr<C2ReflectorHelper> mReflector;
Interface mInterface;
};
c2_status_t C2PlatformComponentStore::ComponentModule::init(
- std::string alias, std::string libPath) {
+ std::string libPath) {
ALOGV("in %s", __func__);
ALOGV("loading dll");
mLibHandle = dlopen(libPath.c_str(), RTLD_NOW|RTLD_NODELETE);
@@ -684,10 +692,7 @@
std::shared_ptr<C2Component::Traits> traits(new (std::nothrow) C2Component::Traits);
if (traits) {
- if (alias != intf->getName()) {
- ALOGV("%s is alias to %s", alias.c_str(), intf->getName().c_str());
- }
- traits->name = alias; // TODO: this needs to be intf->getName() once aliases are supported
+ traits->name = intf->getName();
C2ComponentKindSetting kind;
C2ComponentDomainSetting domain;
@@ -825,82 +830,45 @@
}
C2PlatformComponentStore::C2PlatformComponentStore()
- : mReflector(std::make_shared<C2ReflectorHelper>()),
+ : mVisited(false),
+ mReflector(std::make_shared<C2ReflectorHelper>()),
mInterface(mReflector) {
- auto emplace = [this](const char *alias, const char *libPath) {
- // ComponentLoader is neither copiable nor movable, so it must be
- // constructed in-place. Now ComponentLoader takes two arguments in
- // constructor, so we need to use piecewise_construct to achieve this
- // behavior.
- mComponents.emplace(
- std::piecewise_construct,
- std::forward_as_tuple(alias),
- std::forward_as_tuple(alias, libPath));
- mComponentsList.emplace_back(alias);
+ auto emplace = [this](const char *libPath) {
+ mComponents.emplace(libPath, libPath);
};
- // TODO: move this also into a .so so it can be updated
- emplace("c2.android.avc.decoder", "libcodec2_soft_avcdec.so");
- emplace("c2.android.avc.encoder", "libcodec2_soft_avcenc.so");
- emplace("c2.android.aac.decoder", "libcodec2_soft_aacdec.so");
- emplace("c2.android.aac.encoder", "libcodec2_soft_aacenc.so");
- emplace("c2.android.amrnb.decoder", "libcodec2_soft_amrnbdec.so");
- emplace("c2.android.amrnb.encoder", "libcodec2_soft_amrnbenc.so");
- emplace("c2.android.amrwb.decoder", "libcodec2_soft_amrwbdec.so");
- emplace("c2.android.amrwb.encoder", "libcodec2_soft_amrwbenc.so");
- emplace("c2.android.hevc.decoder", "libcodec2_soft_hevcdec.so");
- emplace("c2.android.g711.alaw.decoder", "libcodec2_soft_g711alawdec.so");
- emplace("c2.android.g711.mlaw.decoder", "libcodec2_soft_g711mlawdec.so");
- emplace("c2.android.mpeg2.decoder", "libcodec2_soft_mpeg2dec.so");
- emplace("c2.android.h263.decoder", "libcodec2_soft_h263dec.so");
- emplace("c2.android.h263.encoder", "libcodec2_soft_h263enc.so");
- emplace("c2.android.mpeg4.decoder", "libcodec2_soft_mpeg4dec.so");
- emplace("c2.android.mpeg4.encoder", "libcodec2_soft_mpeg4enc.so");
- emplace("c2.android.mp3.decoder", "libcodec2_soft_mp3dec.so");
- emplace("c2.android.vorbis.decoder", "libcodec2_soft_vorbisdec.so");
- emplace("c2.android.opus.decoder", "libcodec2_soft_opusdec.so");
- emplace("c2.android.opus.encoder", "libcodec2_soft_opusenc.so");
- emplace("c2.android.vp8.decoder", "libcodec2_soft_vp8dec.so");
- emplace("c2.android.vp9.decoder", "libcodec2_soft_vp9dec.so");
- emplace("c2.android.vp8.encoder", "libcodec2_soft_vp8enc.so");
- emplace("c2.android.vp9.encoder", "libcodec2_soft_vp9enc.so");
- emplace("c2.android.av1.decoder", "libcodec2_soft_av1dec.so");
- emplace("c2.android.raw.decoder", "libcodec2_soft_rawdec.so");
- emplace("c2.android.flac.decoder", "libcodec2_soft_flacdec.so");
- emplace("c2.android.flac.encoder", "libcodec2_soft_flacenc.so");
- emplace("c2.android.gsm.decoder", "libcodec2_soft_gsmdec.so");
- emplace("c2.android.xaac.decoder", "libcodec2_soft_xaacdec.so");
- // "Aliases"
- // TODO: use aliases proper from C2Component::Traits
- emplace("OMX.google.h264.decoder", "libcodec2_soft_avcdec.so");
- emplace("OMX.google.h264.encoder", "libcodec2_soft_avcenc.so");
- emplace("OMX.google.aac.decoder", "libcodec2_soft_aacdec.so");
- emplace("OMX.google.aac.encoder", "libcodec2_soft_aacenc.so");
- emplace("OMX.google.amrnb.decoder", "libcodec2_soft_amrnbdec.so");
- emplace("OMX.google.amrnb.encoder", "libcodec2_soft_amrnbenc.so");
- emplace("OMX.google.amrwb.decoder", "libcodec2_soft_amrwbdec.so");
- emplace("OMX.google.amrwb.encoder", "libcodec2_soft_amrwbenc.so");
- emplace("OMX.google.hevc.decoder", "libcodec2_soft_hevcdec.so");
- emplace("OMX.google.g711.alaw.decoder", "libcodec2_soft_g711alawdec.so");
- emplace("OMX.google.g711.mlaw.decoder", "libcodec2_soft_g711mlawdec.so");
- emplace("OMX.google.mpeg2.decoder", "libcodec2_soft_mpeg2dec.so");
- emplace("OMX.google.h263.decoder", "libcodec2_soft_h263dec.so");
- emplace("OMX.google.h263.encoder", "libcodec2_soft_h263enc.so");
- emplace("OMX.google.mpeg4.decoder", "libcodec2_soft_mpeg4dec.so");
- emplace("OMX.google.mpeg4.encoder", "libcodec2_soft_mpeg4enc.so");
- emplace("OMX.google.mp3.decoder", "libcodec2_soft_mp3dec.so");
- emplace("OMX.google.vorbis.decoder", "libcodec2_soft_vorbisdec.so");
- emplace("OMX.google.opus.decoder", "libcodec2_soft_opusdec.so");
- emplace("OMX.google.vp8.decoder", "libcodec2_soft_vp8dec.so");
- emplace("OMX.google.vp9.decoder", "libcodec2_soft_vp9dec.so");
- emplace("OMX.google.vp8.encoder", "libcodec2_soft_vp8enc.so");
- emplace("OMX.google.vp9.encoder", "libcodec2_soft_vp9enc.so");
- emplace("OMX.google.raw.decoder", "libcodec2_soft_rawdec.so");
- emplace("OMX.google.flac.decoder", "libcodec2_soft_flacdec.so");
- emplace("OMX.google.flac.encoder", "libcodec2_soft_flacenc.so");
- emplace("OMX.google.gsm.decoder", "libcodec2_soft_gsmdec.so");
- emplace("OMX.google.xaac.decoder", "libcodec2_soft_xaacdec.so");
+ // TODO: move this also into a .so so it can be updated
+ emplace("libcodec2_soft_aacdec.so");
+ emplace("libcodec2_soft_aacenc.so");
+ emplace("libcodec2_soft_amrnbdec.so");
+ emplace("libcodec2_soft_amrnbenc.so");
+ emplace("libcodec2_soft_amrwbdec.so");
+ emplace("libcodec2_soft_amrwbenc.so");
+ emplace("libcodec2_soft_av1dec.so");
+ emplace("libcodec2_soft_avcdec.so");
+ emplace("libcodec2_soft_avcenc.so");
+ emplace("libcodec2_soft_flacdec.so");
+ emplace("libcodec2_soft_flacenc.so");
+ emplace("libcodec2_soft_g711alawdec.so");
+ emplace("libcodec2_soft_g711mlawdec.so");
+ emplace("libcodec2_soft_gsmdec.so");
+ emplace("libcodec2_soft_h263dec.so");
+ emplace("libcodec2_soft_h263enc.so");
+ emplace("libcodec2_soft_hevcdec.so");
+ emplace("libcodec2_soft_mp3dec.so");
+ emplace("libcodec2_soft_mpeg2dec.so");
+ emplace("libcodec2_soft_mpeg4dec.so");
+ emplace("libcodec2_soft_mpeg4enc.so");
+ emplace("libcodec2_soft_opusdec.so");
+ emplace("libcodec2_soft_opusenc.so");
+ emplace("libcodec2_soft_rawdec.so");
+ emplace("libcodec2_soft_vorbisdec.so");
+ emplace("libcodec2_soft_vp8dec.so");
+ emplace("libcodec2_soft_vp8enc.so");
+ emplace("libcodec2_soft_vp9dec.so");
+ emplace("libcodec2_soft_vp9enc.so");
+ emplace("libcodec2_soft_xaacdec.so");
}
c2_status_t C2PlatformComponentStore::copyBuffer(
@@ -923,47 +891,56 @@
return mInterface.config(params, C2_MAY_BLOCK, failures);
}
-std::vector<std::shared_ptr<const C2Component::Traits>> C2PlatformComponentStore::listComponents() {
- // This method SHALL return within 500ms.
- std::vector<std::shared_ptr<const C2Component::Traits>> list;
- for (const C2String &alias : mComponentsList) {
- ComponentLoader &loader = mComponents.at(alias);
+void C2PlatformComponentStore::visitComponents() {
+ std::lock_guard<std::mutex> lock(mMutex);
+ if (mVisited) {
+ return;
+ }
+ for (auto &pathAndLoader : mComponents) {
+ const C2String &path = pathAndLoader.first;
+ ComponentLoader &loader = pathAndLoader.second;
std::shared_ptr<ComponentModule> module;
- c2_status_t res = loader.fetchModule(&module);
- if (res == C2_OK) {
+ if (loader.fetchModule(&module) == C2_OK) {
std::shared_ptr<const C2Component::Traits> traits = module->getTraits();
if (traits) {
- list.push_back(traits);
+ mComponentList.push_back(traits);
+ mComponentNameToPath.emplace(traits->name, path);
+ for (const C2String &alias : traits->aliases) {
+ mComponentNameToPath.emplace(alias, path);
+ }
}
}
}
- return list;
+ mVisited = true;
}
-c2_status_t C2PlatformComponentStore::findComponent(C2String name, ComponentLoader **loader) {
- *loader = nullptr;
- auto pos = mComponents.find(name);
- // TODO: check aliases
- if (pos == mComponents.end()) {
- return C2_NOT_FOUND;
+std::vector<std::shared_ptr<const C2Component::Traits>> C2PlatformComponentStore::listComponents() {
+ // This method SHALL return within 500ms.
+ visitComponents();
+ return mComponentList;
+}
+
+c2_status_t C2PlatformComponentStore::findComponent(
+ C2String name, std::shared_ptr<ComponentModule> *module) {
+ (*module).reset();
+ visitComponents();
+
+ auto pos = mComponentNameToPath.find(name);
+ if (pos != mComponentNameToPath.end()) {
+ return mComponents.at(pos->second).fetchModule(module);
}
- *loader = &pos->second;
- return C2_OK;
+ return C2_NOT_FOUND;
}
c2_status_t C2PlatformComponentStore::createComponent(
C2String name, std::shared_ptr<C2Component> *const component) {
// This method SHALL return within 100ms.
component->reset();
- ComponentLoader *loader;
- c2_status_t res = findComponent(name, &loader);
+ std::shared_ptr<ComponentModule> module;
+ c2_status_t res = findComponent(name, &module);
if (res == C2_OK) {
- std::shared_ptr<ComponentModule> module;
- res = loader->fetchModule(&module);
- if (res == C2_OK) {
- // TODO: get a unique node ID
- res = module->createComponent(0, component);
- }
+ // TODO: get a unique node ID
+ res = module->createComponent(0, component);
}
return res;
}
@@ -972,15 +949,11 @@
C2String name, std::shared_ptr<C2ComponentInterface> *const interface) {
// This method SHALL return within 100ms.
interface->reset();
- ComponentLoader *loader;
- c2_status_t res = findComponent(name, &loader);
+ std::shared_ptr<ComponentModule> module;
+ c2_status_t res = findComponent(name, &module);
if (res == C2_OK) {
- std::shared_ptr<ComponentModule> module;
- res = loader->fetchModule(&module);
- if (res == C2_OK) {
- // TODO: get a unique node ID
- res = module->createInterface(0, interface);
- }
+ // TODO: get a unique node ID
+ res = module->createInterface(0, interface);
}
return res;
}