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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_TRACK_SELECTION_EXTENSION_H_INCLUDED
     19 #define PVMF_TRACK_SELECTION_EXTENSION_H_INCLUDED
     20 
     21 #ifndef OSCL_BASE_H_INCLUDED
     22 #include "oscl_base.h"
     23 #endif
     24 #ifndef OSCL_TYPES_H_INCLUDED
     25 #include "oscl_types.h"
     26 #endif
     27 #ifndef PV_UUID_H_INCLUDED
     28 #include "pv_uuid.h"
     29 #endif
     30 #ifndef PV_INTERFACE_H
     31 #include "pv_interface.h"
     32 #endif
     33 #ifndef PVMF_MEDIA_PRESENTATION_INFO_H_INCLUDED
     34 #include "pvmf_media_presentation_info.h"
     35 #endif
     36 
     37 #define PVMF_TRACK_SELECTION_INTERFACE_MIMETYPE "pvxxx/pvmf/pvmftrackselectioninterface"
     38 #define PVMF_TRACK_SELECTION_INTERFACE_UUID PVUuid(0x3afa4e1b,0x989c,0x41c3,0x90,0xef,0x11,0xa9,0xf5,0xa4,0x59,0xd7)
     39 
     40 class PVMFTrackSelectionExtensionInterface : public PVInterface
     41 {
     42     public:
     43         virtual void addRef() = 0;
     44         virtual void removeRef() = 0;
     45         virtual bool queryInterface(const PVUuid& uuid, PVInterface*& iface) = 0;
     46         /**
     47         * Gets the media presentation information from a source node.
     48         *
     49         * @param aInfo, a pointer to PVMFMediaPresentationInfo
     50         * @return PVMFSuccess if successfully set.PVMFFailure for errors.
     51         */
     52         virtual PVMFStatus GetMediaPresentationInfo(PVMFMediaPresentationInfo& aInfo) = 0;
     53         /**
     54         * API to provide information on selected tracks
     55         *
     56         * @param aInfo, a pointer to PVMFMediaPresentationInfo, that contains
     57         * a possibly pruned list of selected trackinfo.
     58         * @return PVMFSuccess if successfully set.PVMFFailure for errors.
     59         */
     60         virtual PVMFStatus SelectTracks(PVMFMediaPresentationInfo& aInfo) = 0;
     61 };
     62 
     63 #endif //PVMF_TRACK_SELECTION_EXTENSION_H_INCLUDED
     64 
     65