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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 #ifndef PVMF_LOCAL_DATA_SOURCE_H_INCLUDED
     19 #define PVMF_LOCAL_DATA_SOURCE_H_INCLUDED
     20 
     21 #ifndef OSCL_BASE_H_INCLUDED
     22 #include "oscl_base.h"
     23 #endif
     24 #ifndef PV_UUID_H_INCLUDED
     25 #include "pv_uuid.h"
     26 #endif
     27 #ifndef PV_INTERFACE_H_INCLUDED
     28 #include "pv_interface.h"
     29 #endif
     30 
     31 #define PVMF_LOCAL_DATASOURCE_UUID PVUuid(0xee849325,0x158a,0x4eb5,0xbd,0x4a,0xb8,0xb4,0x9d,0x77,0x4b,0x92)
     32 
     33 class OsclFileHandle;
     34 class PVMFCPMPluginAccessInterfaceFactory;
     35 
     36 #define BITMASK_PVMF_SOURCE_INTENT_PLAY          0x00000001
     37 #define BITMASK_PVMF_SOURCE_INTENT_GETMETADATA   0x00000002
     38 #define BITMASK_PVMF_SOURCE_INTENT_PREVIEW       0x00000004
     39 #define BITMASK_PVMF_SOURCE_INTENT_THUMBNAILS    0x00000008
     40 
     41 //Source data for local file playback (format type PVMF_MPEG4FF & others)
     42 class PVMFLocalDataSource : public PVInterface
     43 {
     44     public:
     45         //default constructor
     46         PVMFLocalDataSource(OsclFileHandle*aFileHandle = NULL)
     47                 : iFileHandle(aFileHandle)
     48                 , iPreviewMode(false)
     49                 , iIntent(BITMASK_PVMF_SOURCE_INTENT_PLAY)
     50                 , iContentAccessFactory(NULL)
     51         {
     52         }
     53 
     54         //copy constructor
     55         PVMFLocalDataSource(const PVMFLocalDataSource& source) : PVInterface(source)
     56                 , iFileHandle(source.iFileHandle)
     57                 , iPreviewMode(source.iPreviewMode)
     58                 , iIntent(source.iIntent)
     59                 , iContentAccessFactory(source.iContentAccessFactory)
     60         {}
     61 
     62         /* From PVInterface */
     63         void addRef()
     64         {
     65             iRefCounter++;
     66         }
     67         void removeRef()
     68         {
     69             iRefCounter--;
     70         }
     71         bool queryInterface(const PVUuid& uuid, PVInterface*& iface)
     72         {
     73             if (uuid == PVUuid(PVMF_LOCAL_DATASOURCE_UUID))
     74             {
     75                 iface = this;
     76                 return true;
     77             }
     78             else
     79             {
     80                 iface = NULL;
     81                 return false;
     82             }
     83         }
     84         int32 iRefCounter;
     85 
     86         OsclFileHandle* iFileHandle;
     87         //Optional file handle.
     88         //When not NULL, the file will be accessed using this handle.
     89         //When NULL, the file will be opened using its string URL.
     90 
     91         bool iPreviewMode;
     92         //Optional field to indicate if the source that is being
     93         //passed in will be played back in a preview mode.
     94 
     95         uint32 iIntent;
     96         //Optional field to indicate if the source that is being
     97         //passed in will be used for play back or just for metadata retrieval
     98 
     99         PVMFCPMPluginAccessInterfaceFactory* iContentAccessFactory;
    100 };
    101 
    102 
    103 
    104 #endif //PVMF_LOCAL_DATA_SOURCE_H_INCLUDED
    105 
    106