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      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 /**
     19  * @file pvmf_clientserver_socket_port.h
     20  */
     21 
     22 #ifndef PVMF_CLIENTSERVER_SOCKET_PORT_H_INCLUDED
     23 #define PVMF_CLIENTSERVER_SOCKET_PORT_H_INCLUDED
     24 
     25 #ifndef OSCL_SOCKET_H_INCLUDED
     26 #include "oscl_socket.h"
     27 #endif
     28 #ifndef PVMF_SOCKET_BUFFER_ALLOCATORS_H_INCLUDED
     29 #include "pvmf_socket_buffer_allocators.h"
     30 #endif
     31 #ifndef PVMI_PORT_CONFIG_KVP_H_INCLUDED
     32 #include "pvmi_port_config_kvp.h"
     33 #endif
     34 #ifndef PVMF_PORT_BASE_IMPL_H_INCLUDED
     35 #include "pvmf_port_base_impl.h"
     36 #endif
     37 
     38 //Default vector reserve size
     39 #define PVMF_CLIENTSERVER_SOCKET_NODE_PORT_VECTOR_RESERVE 10
     40 
     41 
     42 // Capability mime strings
     43 #define PVMF_CLIENTSERVER_SOCKET_PORT_SPECIFIC_ALLOCATOR "x-pvmf/pvmfsocket/socketmemallocator"
     44 #define PVMF_CLIENTSERVER_SOCKET_PORT_SPECIFIC_ALLOCATOR_VALTYPE "x-pvmf/pvmfsocket/socketmemallocator;valtype=ksv"
     45 
     46 #define PVMFSocketNodePortTag int32
     47 
     48 /** Enumerated list of port tags supported by this port */
     49 
     50 typedef enum
     51 {
     52     PVMF_CLIENTSERVER_SOCKET_NODE_PORT_TYPE_UNKNOWN,
     53     PVMF_CLIENTSERVER_SOCKET_NODE_PORT_TYPE_SOURCE,
     54     PVMF_CLIENTSERVER_SOCKET_NODE_PORT_TYPE_SINK,
     55     PVMF_CLIENTSERVER_SOCKET_NODE_PORT_TYPE_PASSTHRU
     56 } PVMFClientServerSocketNodePortTag;
     57 
     58 
     59 class PVMFClientServerSocketNode;
     60 class SocketPortConfig;
     61 
     62 
     63 class PVMFClientServerSocketPort :  public PvmfPortBaseImpl,
     64         public PvmiCapabilityAndConfigPortFormatImpl
     65 {
     66     public:
     67         /**
     68          * Default constructor. Default settings will be used for the data queues.
     69          * @param aId ID assigned to this port
     70          * @param aTag Port tag
     71          * @param aNode Container node
     72          */
     73         PVMFClientServerSocketPort(int32 aTag, PVMFPortActivityHandler* aNode);
     74 
     75         /**
     76          * Constructor that allows the node to configure the data queues of this port.
     77          * @param aTag Port tag
     78          * @param aNode Container node
     79          * @param aSize Data queue capacity. The data queue size will not grow beyond this capacity.
     80          * @param aReserve Size of data queue for which memory is reserved. This must be
     81          * less than or equal to the capacity. If this is less than capacity, memory will be
     82          * allocated when the queue grows beyond the reserve size, but will stop growing at
     83          * capacity.
     84          * @param aThreshold Ready-to-receive threshold, in terms of percentage of the data queue capacity.
     85          * This value should be between 0 - 100.
     86          */
     87         PVMFClientServerSocketPort(int32 aTag
     88                                    , PVMFPortActivityHandler* aNode
     89                                    , uint32 aInCapacity
     90                                    , uint32 aInReserve
     91                                    , uint32 aInThreshold
     92                                    , uint32 aOutCapacity
     93                                    , uint32 aOutReserve
     94                                    , uint32 aOutThreshold);
     95 
     96         /** Destructor */
     97         ~PVMFClientServerSocketPort();
     98 
     99         // Implement pure virtuals from PvmiCapabilityAndConfigPortFormatImpl interface
    100         bool IsFormatSupported(PVMFFormatType);
    101         void FormatUpdated();
    102 
    103         // this port supports config interface
    104         void QueryInterface(const PVUuid &aUuid, OsclAny*&aPtr)
    105         {
    106             if (aUuid == PVMI_CAPABILITY_AND_CONFIG_PVUUID)
    107                 aPtr = (PvmiCapabilityAndConfig*)this;
    108             else
    109                 aPtr = NULL;
    110         }
    111 
    112         PVMFStatus getParametersSync(PvmiMIOSession aSession,
    113                                      PvmiKeyType aIdentifier,
    114                                      PvmiKvp*& aParameters,
    115                                      int& num_parameter_elements,
    116                                      PvmiCapabilityContext aContext);
    117 
    118 
    119         void setParametersSync(PvmiMIOSession aSession,
    120                                PvmiKvp* aParameters,
    121                                int num_elements,
    122                                PvmiKvp * & aRet_kvp);
    123 
    124 
    125         PVMFStatus releaseParameters(PvmiMIOSession aSession, PvmiKvp* aParameters, int num_elements);
    126 
    127         PVMFStatus PeekIncomingMsg(PVMFSharedMediaMsgPtr& aMsg);
    128 
    129         OsclSharedPtr<PVMFSharedSocketDataBufferAlloc> iAllocSharedPtr;
    130 
    131         SocketPortConfig* iConfig;
    132         PVMFSocketNodePortTag iPortTag;
    133 
    134         //overrides from PVMFPortInterface so we can skip the outgoing port queue.
    135         PVMFStatus QueueOutgoingMsg(PVMFSharedMediaMsgPtr aMsg);
    136         bool IsOutgoingQueueBusy();
    137 
    138     private:
    139         void Construct();
    140         bool pvmiGetPortInPlaceDataProcessingInfoSync(const char* aFormatValType, PvmiKvp*& aKvp);
    141         PVLogger *iLogger;
    142 
    143         uint32 iNumFramesConsumed; //number of frames consumed & discarded.
    144 
    145         friend class PVMFSocketNode;
    146         friend class Oscl_TAlloc<PVMFClientServerSocketPort, OsclMemAllocator>;
    147         friend class PVMFSocketNodeCustomInterface1Impl;
    148 };
    149 
    150 #endif //PVMF_CLIENTSERVER_SOCKET_PORT_H_INCLUDED
    151 
    152 
    153 
    154