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| | | /********** |
| | | 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 3 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) 1996-2017 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 |