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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//#define LOG_NDEBUG 0
#define LOG_TAG "V4L2ComponentStore"
#include <v4l2_codec2/components/V4L2ComponentStore.h>
#include <stdint.h>
#include <memory>
#include <mutex>
#include <C2.h>
#include <C2Config.h>
#include <log/log.h>
#include <media/stagefright/foundation/MediaDefs.h>
#include <v4l2_codec2/common/V4L2ComponentCommon.h>
#include <v4l2_codec2/components/V4L2ComponentFactory.h>
namespace android {
namespace {
const uint32_t kComponentRank = 0x80;
std::string getMediaTypeFromComponentName(const std::string& name) {
if (name == V4L2ComponentName::kH264Decoder || name == V4L2ComponentName::kH264SecureDecoder ||
name == V4L2ComponentName::kH264Encoder) {
return MEDIA_MIMETYPE_VIDEO_AVC;
}
if (name == V4L2ComponentName::kVP8Decoder || name == V4L2ComponentName::kVP8SecureDecoder ||
name == V4L2ComponentName::kVP8Encoder) {
return MEDIA_MIMETYPE_VIDEO_VP8;
}
if (name == V4L2ComponentName::kVP9Decoder || name == V4L2ComponentName::kVP9SecureDecoder ||
name == V4L2ComponentName::kVP9Encoder) {
return MEDIA_MIMETYPE_VIDEO_VP9;
}
if (name == V4L2ComponentName::kHEVCDecoder || name == V4L2ComponentName::kHEVCSecureDecoder) {
return MEDIA_MIMETYPE_VIDEO_HEVC;
}
return "";
}
} // namespace
// static
std::shared_ptr<C2ComponentStore> V4L2ComponentStore::Create() {
ALOGV("%s()", __func__);
static std::mutex mutex;
static std::weak_ptr<C2ComponentStore> platformStore;
std::lock_guard<std::mutex> lock(mutex);
std::shared_ptr<C2ComponentStore> store = platformStore.lock();
if (store != nullptr) return store;
store = std::shared_ptr<C2ComponentStore>(new V4L2ComponentStore());
platformStore = store;
return store;
}
V4L2ComponentStore::V4L2ComponentStore() : mReflector(std::make_shared<C2ReflectorHelper>()) {
ALOGV("%s()", __func__);
}
V4L2ComponentStore::~V4L2ComponentStore() {
ALOGV("%s()", __func__);
std::lock_guard<std::mutex> lock(mCachedFactoriesLock);
mCachedFactories.clear();
}
C2String V4L2ComponentStore::getName() const {
return "android.componentStore.v4l2";
}
c2_status_t V4L2ComponentStore::createComponent(C2String name,
std::shared_ptr<C2Component>* const component) {
ALOGV("%s(%s)", __func__, name.c_str());
if (!V4L2ComponentName::isValid(name.c_str())) {
ALOGI("%s(): Invalid component name: %s", __func__, name.c_str());
return C2_NOT_FOUND;
}
auto factory = GetFactory(name);
if (factory == nullptr) return C2_CORRUPTED;
component->reset();
return factory->createComponent(0, component);
}
c2_status_t V4L2ComponentStore::createInterface(
C2String name, std::shared_ptr<C2ComponentInterface>* const interface) {
ALOGV("%s(%s)", __func__, name.c_str());
if (!V4L2ComponentName::isValid(name.c_str())) {
ALOGI("%s(): Invalid component name: %s", __func__, name.c_str());
return C2_NOT_FOUND;
}
auto factory = GetFactory(name);
if (factory == nullptr) return C2_CORRUPTED;
interface->reset();
return factory->createInterface(0, interface);
}
std::vector<std::shared_ptr<const C2Component::Traits>> V4L2ComponentStore::listComponents() {
ALOGV("%s()", __func__);
std::vector<std::shared_ptr<const C2Component::Traits>> ret;
ret.push_back(GetTraits(V4L2ComponentName::kH264Encoder));
ret.push_back(GetTraits(V4L2ComponentName::kH264Decoder));
ret.push_back(GetTraits(V4L2ComponentName::kH264SecureDecoder));
ret.push_back(GetTraits(V4L2ComponentName::kVP8Encoder));
ret.push_back(GetTraits(V4L2ComponentName::kVP8Decoder));
ret.push_back(GetTraits(V4L2ComponentName::kVP8SecureDecoder));
ret.push_back(GetTraits(V4L2ComponentName::kVP9Encoder));
ret.push_back(GetTraits(V4L2ComponentName::kVP9Decoder));
ret.push_back(GetTraits(V4L2ComponentName::kVP9SecureDecoder));
ret.push_back(GetTraits(V4L2ComponentName::kHEVCDecoder));
ret.push_back(GetTraits(V4L2ComponentName::kHEVCSecureDecoder));
return ret;
}
std::shared_ptr<C2ParamReflector> V4L2ComponentStore::getParamReflector() const {
return mReflector;
}
c2_status_t V4L2ComponentStore::copyBuffer(std::shared_ptr<C2GraphicBuffer> /* src */,
std::shared_ptr<C2GraphicBuffer> /* dst */) {
return C2_OMITTED;
}
c2_status_t V4L2ComponentStore::querySupportedParams_nb(
std::vector<std::shared_ptr<C2ParamDescriptor>>* const /* params */) const {
return C2_OK;
}
c2_status_t V4L2ComponentStore::query_sm(
const std::vector<C2Param*>& stackParams,
const std::vector<C2Param::Index>& heapParamIndices,
std::vector<std::unique_ptr<C2Param>>* const /* heapParams */) const {
// There are no supported config params.
return stackParams.empty() && heapParamIndices.empty() ? C2_OK : C2_BAD_INDEX;
}
c2_status_t V4L2ComponentStore::config_sm(
const std::vector<C2Param*>& params,
std::vector<std::unique_ptr<C2SettingResult>>* const /* failures */) {
// There are no supported config params.
return params.empty() ? C2_OK : C2_BAD_INDEX;
}
c2_status_t V4L2ComponentStore::querySupportedValues_sm(
std::vector<C2FieldSupportedValuesQuery>& fields) const {
// There are no supported config params.
return fields.empty() ? C2_OK : C2_BAD_INDEX;
}
::C2ComponentFactory* V4L2ComponentStore::GetFactory(const C2String& name) {
ALOGV("%s(%s)", __func__, name.c_str());
ALOG_ASSERT(V4L2ComponentName::isValid(name.c_str()));
std::lock_guard<std::mutex> lock(mCachedFactoriesLock);
const auto it = mCachedFactories.find(name);
if (it != mCachedFactories.end()) return it->second.get();
std::unique_ptr<::C2ComponentFactory> factory = V4L2ComponentFactory::create(
name, std::static_pointer_cast<C2ReflectorHelper>(getParamReflector()));
if (factory == nullptr) {
ALOGE("Failed to create factory for %s", name.c_str());
return nullptr;
}
auto ret = factory.get();
mCachedFactories.emplace(name, std::move(factory));
return ret;
}
std::shared_ptr<const C2Component::Traits> V4L2ComponentStore::GetTraits(const C2String& name) {
ALOGV("%s(%s)", __func__, name.c_str());
if (!V4L2ComponentName::isValid(name.c_str())) {
ALOGE("Invalid component name: %s", name.c_str());
return nullptr;
}
std::lock_guard<std::mutex> lock(mCachedTraitsLock);
auto it = mCachedTraits.find(name);
if (it != mCachedTraits.end()) return it->second;
auto traits = std::make_shared<C2Component::Traits>();
traits->name = name;
traits->domain = C2Component::DOMAIN_VIDEO;
traits->rank = kComponentRank;
traits->mediaType = getMediaTypeFromComponentName(name);
traits->kind = V4L2ComponentName::isEncoder(name.c_str()) ? C2Component::KIND_ENCODER
: C2Component::KIND_DECODER;
mCachedTraits.emplace(name, traits);
return traits;
}
} // namespace android
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