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/*
* Copyright (C) 2009 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.
*/
#ifndef OMX_CLIENT_H_
#define OMX_CLIENT_H_
#include <media/IOMX.h>
#include <utils/KeyedVector.h>
#include <utils/List.h>
#include <utils/threads.h>
namespace android {
class OMXObserver {
public:
OMXObserver();
virtual ~OMXObserver();
void postMessage(const omx_message &msg);
protected:
virtual void onOMXMessage(const omx_message &msg) = 0;
private:
friend class OMXClient;
pthread_t mThread;
Mutex mLock;
Condition mQueueNotEmpty;
List<omx_message> mQueue;
void start();
void stop();
static void *ThreadWrapper(void *me);
void threadEntry();
OMXObserver(const OMXObserver &);
OMXObserver &operator=(const OMXObserver &);
};
class OMXClient;
class OMXClientReflector : public BnOMXObserver {
public:
OMXClientReflector(OMXClient *client);
virtual void on_message(const omx_message &msg);
void reset();
private:
OMXClient *mClient;
OMXClientReflector(const OMXClientReflector &);
OMXClientReflector &operator=(const OMXClientReflector &);
};
class OMXClient {
public:
friend class OMXClientReflector;
OMXClient();
~OMXClient();
status_t connect();
void disconnect();
sp<IOMX> interface() {
return mOMX;
}
status_t registerObserver(IOMX::node_id node, OMXObserver *observer);
void unregisterObserver(IOMX::node_id node);
status_t fillBuffer(IOMX::node_id node, IOMX::buffer_id buffer);
status_t emptyBuffer(
IOMX::node_id node, IOMX::buffer_id buffer,
OMX_U32 range_offset, OMX_U32 range_length,
OMX_U32 flags, OMX_TICKS timestamp);
status_t send_command(
IOMX::node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param);
private:
sp<IOMX> mOMX;
int mSock;
Mutex mLock;
pthread_t mThread;
KeyedVector<IOMX::node_id, OMXObserver *> mObservers;
sp<OMXClientReflector> mReflector;
#if IOMX_USES_SOCKETS
static void *ThreadWrapper(void *me);
void threadEntry();
#endif
bool onOMXMessage(const omx_message &msg);
OMXClient(const OMXClient &);
OMXClient &operator=(const OMXClient &);
};
} // namespace android
#endif // OMX_CLIENT_H_
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