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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 #ifndef SDP_PARSER_H
     20 #define SDP_PARSER_H
     21 
     22 #include "oscl_types.h"
     23 #include "oscl_mem.h"
     24 #include "sdp_mediaparser_registry.h"
     25 #include "sdp_mediaparser_factory.h"
     26 #include "session_info_parser.h"
     27 #include "base_media_info_parser.h"
     28 #include "sdp_parsing_utils.h"
     29 #include "sdp_memory.h"
     30 #include "pvlogger.h"
     31 
     32 const int MAX_PAYLOAD = 10;         /*Defined arbitrarily*/
     33 const int MAX_STRING_LEN = 256;
     34 
     35 typedef struct _SDPTrackInfo
     36 {
     37     mbchar codec_type[MAX_STRING_LEN];  /* MIME type of the data */
     38     int bitrate;                                /* data rate in kbps     */
     39     int trackID;
     40     uint8 majorVersion;
     41     uint8 minorVersion;
     42 } SDPTrackInfo;
     43 
     44 typedef struct _playTime
     45 {
     46     int startTime;
     47     int stopTime;
     48 } playTime;
     49 
     50 typedef struct _movieInfo
     51 {
     52     SDPTrackInfo TrackArray[MAX_PAYLOAD];
     53     int trackCount;
     54     mbchar movieName[MAX_STRING_LEN];
     55     mbchar creationDate[MAX_STRING_LEN];
     56     playTime duration;
     57 } movieInfo;
     58 
     59 class SDP_Parser
     60 {
     61     private:
     62         PVLogger* iLogger;
     63         SDPMediaParserRegistry *& _pSDPMediaParserRegistry;
     64         int mediaArrayIndex;
     65         SDP_ERROR_CODE(*sessionParser)(const char *sdp_text, int length, SDPInfo& sdp); /*Used to parse session information*/
     66         bool applicationFlag;
     67 
     68         bool parse_rtpmap(const char *start, const char *end, int& rtp_payload,
     69                           OsclMemoryFragment& encoding_name);
     70 
     71 
     72         int validate_media_line(const char *start, const char *end, Oscl_Vector<int, SDPParserAlloc>& payload_type, uint32& portNumber);
     73 
     74         //  void print_memfrag(MemoryFragment& memfrag);
     75         int convertToMilliSec(RtspRangeType range , int &startTime, int &stopTime);
     76         bool isSipSdp;
     77     public:
     78 
     79         OSCL_IMPORT_REF
     80         SDP_Parser(SDPMediaParserRegistry*& regTable, bool sipSdp = false);
     81 
     82         OSCL_IMPORT_REF
     83         ~SDP_Parser();
     84 
     85         OSCL_IMPORT_REF
     86         SDP_ERROR_CODE parseSDP(const char *, int length , SDPInfo *sdp);
     87 
     88         OSCL_IMPORT_REF
     89         SDP_ERROR_CODE parseSDPDownload(const char *, int length, SDPInfo *sdp, movieInfo *mv);
     90 
     91         OSCL_IMPORT_REF
     92         int getNumberOfTracks();
     93 
     94         OSCL_IMPORT_REF
     95         int setNumberOfTracks(int tracks);
     96 
     97         OSCL_IMPORT_REF
     98         bool allocateRegistrar();                       //Used to allocate new parser.
     99 
    100 };
    101 #endif
    102