Home | History | Annotate | Download | only in include
      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 #ifndef PVMF_SOCKET_PORT_H_INCLUDED
     19 #define PVMF_SOCKET_PORT_H_INCLUDED
     20 
     21 #ifndef OSCL_BASE_H_INCLUDED
     22 #include "oscl_base.h"
     23 #endif
     24 #ifndef PVLOGGER_H_INCLUDED
     25 #include "pvlogger.h"
     26 #endif
     27 #ifndef OSCL_SOCKET_TYPES_H_INCLUDED
     28 #include "oscl_socket_types.h"
     29 #endif
     30 #ifndef OSCL_SOCKET_H_INCLUDED
     31 #include "oscl_socket.h"
     32 #endif
     33 #ifndef PVMF_PORT_BASE_IMPL_H_INCLUDED
     34 #include "pvmf_port_base_impl.h"
     35 #endif
     36 #ifndef PVMI_CONFIG_AND_CAPABILITY_H_INCLUDED
     37 #include "pvmi_config_and_capability.h"
     38 #endif
     39 #include "pvmf_node_interface.h"
     40 
     41 #ifndef PVMI_CONFIG_AND_CAPABILITY_UTILS_H_INCLUDED
     42 #include "pvmi_config_and_capability_utils.h"
     43 #endif
     44 #ifndef PVMI_PORT_CONFIG_KVP_H_INCLUDED
     45 #include "pvmi_port_config_kvp.h"
     46 #endif
     47 #ifndef PVMI_PORT_CONFIG_KVP_H_INCLUDED
     48 #include "pvmi_port_config_kvp.h"
     49 #endif
     50 
     51 //Default vector reserve size
     52 #define PVMF_SOCKET_NODE_PORT_VECTOR_RESERVE 10
     53 
     54 // Capability mime strings
     55 // Capability mime strings
     56 #define PVMF_SOCKET_PORT_SPECIFIC_ALLOCATOR "x-pvmf/pvmfstreaming/socketmemallocator"
     57 #define PVMF_SOCKET_PORT_SPECIFIC_ALLOCATOR_VALTYPE "x-pvmf/pvmfstreaming/socketmemallocator;valtype=ksv"
     58 
     59 /** Enumerated list of port tags supported by this port */
     60 typedef enum
     61 {
     62     PVMF_SOCKET_NODE_PORT_TYPE_UNKNOWN,
     63     PVMF_SOCKET_NODE_PORT_TYPE_SOURCE,
     64     PVMF_SOCKET_NODE_PORT_TYPE_SINK,
     65     PVMF_SOCKET_NODE_PORT_TYPE_PASSTHRU
     66 } PVMFSocketNodePortTag;
     67 
     68 class PVMFSocketNode;
     69 class SocketPortConfig;
     70 
     71 class PVMFSocketPort : public PvmfPortBaseImpl,
     72         public PvmiCapabilityAndConfigPortFormatImpl
     73 {
     74     public:
     75         /**
     76          * Default constructor. Default settings will be used for the data queues.
     77          * @param aId ID assigned to this port
     78          * @param aTag Port tag
     79          * @param aNode Container node
     80          */
     81         PVMFSocketPort(int32 aTag, PVMFNodeInterface* aNode);
     82 
     83         /**
     84          * Constructor that allows the node to configure the data queues of this port.
     85          * @param aTag Port tag
     86          * @param aNode Container node
     87          * @param aSize Data queue capacity. The data queue size will not grow beyond this capacity.
     88          * @param aReserve Size of data queue for which memory is reserved. This must be
     89          * less than or equal to the capacity. If this is less than capacity, memory will be
     90          * allocated when the queue grows beyond the reserve size, but will stop growing at
     91          * capacity.
     92          * @param aThreshold Ready-to-receive threshold, in terms of percentage of the data queue capacity.
     93          * This value should be between 0 - 100.
     94          */
     95         PVMFSocketPort(int32 aTag
     96                        , PVMFNodeInterface* aNode
     97                        , uint32 aInCapacity
     98                        , uint32 aInReserve
     99                        , uint32 aInThreshold
    100                        , uint32 aOutCapacity
    101                        , uint32 aOutReserve
    102                        , uint32 aOutThreshold);
    103 
    104         /** Destructor */
    105         ~PVMFSocketPort();
    106 
    107         // Implement pure virtuals from PvmiCapabilityAndConfigPortFormatImpl interface
    108         bool IsFormatSupported(PVMFFormatType);
    109         void FormatUpdated();
    110 
    111         // this port supports config interface
    112         void QueryInterface(const PVUuid &aUuid, OsclAny*&aPtr)
    113         {
    114             if (aUuid == PVMI_CAPABILITY_AND_CONFIG_PVUUID)
    115                 aPtr = (PvmiCapabilityAndConfig*)this;
    116             else
    117                 aPtr = NULL;
    118         }
    119 
    120         PVMFStatus getParametersSync(PvmiMIOSession aSession, PvmiKeyType aIdentifier,
    121                                      PvmiKvp*& aParameters, int& num_parameter_elements,    PvmiCapabilityContext aContext);
    122         void setParametersSync(PvmiMIOSession aSession, PvmiKvp* aParameters,
    123                                int num_elements, PvmiKvp * & aRet_kvp);
    124         PVMFStatus releaseParameters(PvmiMIOSession aSession, PvmiKvp* aParameters, int num_elements);
    125 
    126         PVMFStatus PeekIncomingMsg(PVMFSharedMediaMsgPtr& aMsg);
    127 
    128         SocketPortConfig* iConfig;
    129         PVMFSocketNodePortTag iPortTag;
    130 
    131         //overrides from PVMFPortInterface so we can skip the outgoing port queue.
    132         PVMFStatus QueueOutgoingMsg(PVMFSharedMediaMsgPtr aMsg);
    133         bool IsOutgoingQueueBusy();
    134 
    135     private:
    136         void Construct();
    137         bool pvmiGetPortInPlaceDataProcessingInfoSync(const char* aFormatValType,
    138                 PvmiKvp*& aKvp);
    139         PVLogger *iLogger;
    140 
    141         uint32 iNumFramesConsumed; //number of frames consumed & discarded.
    142 
    143         friend class PVMFSocketNode;
    144         friend class Oscl_TAlloc<PVMFSocketPort, OsclMemAllocator>;
    145         friend class PVMFSocketNodeCustomInterface1Impl;
    146 };
    147 
    148 #endif
    149 
    150