gecko-dev/content/media/omx/mediaresourcemanager/IMediaResourceManagerService.cpp

87 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
//#define LOG_NDEBUG 0
#define LOG_TAG "IMediaResourceManagerService"
#include <stdint.h>
#include <sys/types.h>
#include <binder/Parcel.h>
#include <utils/Log.h>
#include "IMediaResourceManagerService.h"
namespace android {
/**
* Function ID used between BpMediaResourceManagerService and
* BnMediaResourceManagerService by using Binder ipc.
*/
enum {
REQUEST_MEDIA_RESOURCE = IBinder::FIRST_CALL_TRANSACTION,
DEREGISTER_CLIENT
};
class BpMediaResourceManagerService : public BpInterface<IMediaResourceManagerService>
{
public:
BpMediaResourceManagerService(const sp<IBinder>& impl)
: BpInterface<IMediaResourceManagerService>(impl)
{
}
virtual void requestMediaResource(const sp<IMediaResourceManagerClient>& client, int resourceType)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaResourceManagerService::getInterfaceDescriptor());
data.writeStrongBinder(client->asBinder());
data.writeInt32(resourceType);
remote()->transact(REQUEST_MEDIA_RESOURCE, data, &reply);
}
virtual status_t cancelClient(const sp<IMediaResourceManagerClient>& client)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaResourceManagerService::getInterfaceDescriptor());
data.writeStrongBinder(client->asBinder());
remote()->transact(DEREGISTER_CLIENT, data, &reply);
return reply.readInt32();
}
};
IMPLEMENT_META_INTERFACE(MediaResourceManagerService, "android.media.IMediaResourceManagerService");
// ----------------------------------------------------------------------
status_t BnMediaResourceManagerService::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case REQUEST_MEDIA_RESOURCE: {
CHECK_INTERFACE(IMediaResourceManagerService, data, reply);
sp<IMediaResourceManagerClient> client = interface_cast<IMediaResourceManagerClient>(data.readStrongBinder());
int resourceType = data.readInt32();
requestMediaResource(client, resourceType);
return NO_ERROR;
} break;
case DEREGISTER_CLIENT: {
CHECK_INTERFACE(IMediaResourceManagerService, data, reply);
sp<IMediaResourceManagerClient> client = interface_cast<IMediaResourceManagerClient>(data.readStrongBinder());
cancelClient(client);
reply->writeInt32(NO_ERROR);
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android