| /********** |
| This library is free software; you can redistribute it and/or modify it under |
| the terms of the GNU Lesser General Public License as published by the |
| Free Software Foundation; either version 2.1 of the License, or (at your |
| option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| |
| This library is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this library; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| **********/ |
| // "liveMedia" |
| // Copyright (c) 1996-2015 Live Networks, Inc. All rights reserved. |
| // MPEG4-GENERIC ("audio", "video", or "application") RTP stream sources |
| // C++ header |
| |
| #ifndef _MPEG4_GENERIC_RTP_SOURCE_HH |
| #define _MPEG4_GENERIC_RTP_SOURCE_HH |
| |
| #ifndef _MULTI_FRAMED_RTP_SOURCE_HH |
| #include "MultiFramedRTPSource.hh" |
| #endif |
| |
| class MPEG4GenericRTPSource: public MultiFramedRTPSource { |
| public: |
| static MPEG4GenericRTPSource* |
| createNew(UsageEnvironment& env, Groupsock* RTPgs, |
| unsigned char rtpPayloadFormat, |
| unsigned rtpTimestampFrequency, |
| char const* mediumName, |
| char const* mode, unsigned sizeLength, unsigned indexLength, |
| unsigned indexDeltaLength |
| // add other parameters later |
| ); |
| // mediumName is "audio", "video", or "application" |
| // it *cannot* be NULL |
| |
| protected: |
| virtual ~MPEG4GenericRTPSource(); |
| |
| private: |
| MPEG4GenericRTPSource(UsageEnvironment& env, Groupsock* RTPgs, |
| unsigned char rtpPayloadFormat, |
| unsigned rtpTimestampFrequency, |
| char const* mediumName, |
| char const* mode, |
| unsigned sizeLength, unsigned indexLength, |
| unsigned indexDeltaLength |
| ); |
| // called only by createNew() |
| |
| private: |
| // redefined virtual functions: |
| virtual Boolean processSpecialHeader(BufferedPacket* packet, |
| unsigned& resultSpecialHeaderSize); |
| virtual char const* MIMEtype() const; |
| |
| private: |
| char* fMIMEType; |
| |
| char* fMode; |
| unsigned fSizeLength, fIndexLength, fIndexDeltaLength; |
| unsigned fNumAUHeaders; // in the most recently read packet |
| unsigned fNextAUHeader; // index of the next AU Header to read |
| struct AUHeader* fAUHeaders; |
| |
| friend class MPEG4GenericBufferedPacket; |
| }; |
| |
| |
| |
| // A function that looks up the sampling frequency from an |
| // "AudioSpecificConfig" string. (0 means 'unknown') |
| unsigned samplingFrequencyFromAudioSpecificConfig(char const* configStr); |
| |
| #endif |