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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "android.hardware.cas@1.1-MediaCasService"
#include <android/hardware/cas/1.1/ICasListener.h>
#include <android/hardware/cas/1.2/ICasListener.h>
#include <media/cas/CasAPI.h>
#include <media/cas/DescramblerAPI.h>
#include <utils/Log.h>
#include "CasImpl.h"
#include "DescramblerImpl.h"
#include "MediaCasService.h"
namespace android {
namespace hardware {
namespace cas {
namespace V1_1 {
namespace implementation {
class Wrapper : public V1_1::ICasListener {
public:
static sp<V1_1::ICasListener> wrap(sp<V1_0::ICasListener> impl) {
sp<V1_1::ICasListener> cast = V1_1::ICasListener::castFrom(impl);
if (cast == NULL) {
cast = new Wrapper(impl);
}
return cast;
}
virtual Return<void> onEvent(int32_t event, int32_t arg,
const hidl_vec<uint8_t>& data) override {
mImpl->onEvent(event, arg, data);
return Void();
}
virtual Return<void> onSessionEvent(const hidl_vec<uint8_t>& /* sessionId */,
int32_t /* event */, int32_t /* arg */,
const hidl_vec<uint8_t>& /*data*/) override {
ALOGV("Do nothing on Session Event for cas@1.0 client in cas@1.1");
return Void();
}
private:
Wrapper(sp<V1_0::ICasListener> impl) : mImpl(impl){};
sp<V1_0::ICasListener> mImpl;
};
MediaCasService::MediaCasService()
: mCasLoader("createCasFactory"), mDescramblerLoader("createDescramblerFactory") {}
MediaCasService::~MediaCasService() {}
Return<void> MediaCasService::enumeratePlugins(enumeratePlugins_cb _hidl_cb) {
ALOGV("%s", __FUNCTION__);
vector<HidlCasPluginDescriptor> results;
mCasLoader.enumeratePlugins(&results);
_hidl_cb(results);
return Void();
}
Return<bool> MediaCasService::isSystemIdSupported(int32_t CA_system_id) {
ALOGV("isSystemIdSupported: CA_system_id=%d", CA_system_id);
return mCasLoader.findFactoryForScheme(CA_system_id);
}
Return<sp<V1_0::ICas>> MediaCasService::createPlugin(int32_t CA_system_id,
const sp<V1_0::ICasListener>& listener) {
ALOGV("%s:Use createPluginExt to create plugin in cas@1.1", __FUNCTION__);
sp<ICas> result;
sp<V1_1::ICasListener> listenerV1_1 = Wrapper::wrap(listener);
result = createPluginExt(CA_system_id, listenerV1_1);
return result;
}
Return<sp<ICas>> MediaCasService::createPluginExt(int32_t CA_system_id,
const sp<ICasListener>& listener) {
ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id);
if (listener == NULL) ALOGV("%s: Listener is NULL", __FUNCTION__);
sp<V1_2::ICas> result;
CasFactory* factory;
sp<SharedLibrary> library;
if (mCasLoader.findFactoryForScheme(CA_system_id, &library, &factory)) {
CasPlugin* plugin = NULL;
sp<CasImpl> casImpl = new CasImpl(listener);
if (factory->createPlugin(CA_system_id, casImpl.get(), &CasImpl::CallBackExt, &plugin) ==
OK &&
plugin != NULL) {
casImpl->init(library, plugin);
result = casImpl;
sp<V1_2::ICasListener> listenerV1_2 = V1_2::ICasListener::castFrom(listener);
if (listenerV1_2 != NULL) {
casImpl->setPluginStatusUpdateCallback();
}
}
}
return result;
}
Return<bool> MediaCasService::isDescramblerSupported(int32_t CA_system_id) {
ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id);
return mDescramblerLoader.findFactoryForScheme(CA_system_id);
}
Return<sp<IDescramblerBase>> MediaCasService::createDescrambler(int32_t CA_system_id) {
ALOGV("%s: CA_system_id=%d", __FUNCTION__, CA_system_id);
sp<IDescrambler> result;
DescramblerFactory* factory;
sp<SharedLibrary> library;
if (mDescramblerLoader.findFactoryForScheme(CA_system_id, &library, &factory)) {
DescramblerPlugin* plugin = NULL;
if (factory->createPlugin(CA_system_id, &plugin) == OK && plugin != NULL) {
result = new DescramblerImpl(library, plugin);
}
}
return result;
}
} // namespace implementation
} // namespace V1_1
} // namespace cas
} // namespace hardware
} // namespace android
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