| /********** |
| 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) 1996-2020 Live Networks, Inc. All rights reserved. |
| // Vorbis Audio RTP Sources |
| // C++ header |
| |
| #ifndef _VORBIS_AUDIO_RTP_SOURCE_HH |
| #define _VORBIS_AUDIO_RTP_SOURCE_HH |
| |
| #ifndef _MULTI_FRAMED_RTP_SOURCE_HH |
| #include "MultiFramedRTPSource.hh" |
| #endif |
| |
| class VorbisAudioRTPSource: public MultiFramedRTPSource { |
| public: |
| static VorbisAudioRTPSource* |
| createNew(UsageEnvironment& env, Groupsock* RTPgs, |
| unsigned char rtpPayloadFormat, |
| unsigned rtpTimestampFrequency); |
| |
| u_int32_t curPacketIdent() const { return fCurPacketIdent; } // The current "Ident" field; only the low-order 24 bits are used |
| |
| protected: |
| VorbisAudioRTPSource(UsageEnvironment& env, Groupsock* RTPgs, |
| unsigned char rtpPayloadFormat, |
| unsigned rtpTimestampFrequency); |
| // called only by createNew() |
| |
| virtual ~VorbisAudioRTPSource(); |
| |
| protected: |
| // redefined virtual functions: |
| virtual Boolean processSpecialHeader(BufferedPacket* packet, |
| unsigned& resultSpecialHeaderSize); |
| virtual char const* MIMEtype() const; |
| |
| private: |
| u_int32_t fCurPacketIdent; // only the low-order 24 bits are used |
| }; |
| |
| void parseVorbisOrTheoraConfigStr(char const* configStr, |
| u_int8_t*& identificationHdr, unsigned& identificationHdrSize, |
| u_int8_t*& commentHdr, unsigned& commentHdrSize, |
| u_int8_t*& setupHdr, unsigned& setupHdrSize, |
| u_int32_t& identField); |
| // Returns (in each of the result parameters) unpacked Vorbis or Theora |
| // "identification", "comment", and "setup" headers that were specified in a |
| // "config" string (in the SDP description for a Vorbis/RTP or Theora/RTP stream). |
| // Each of the "*Hdr" result arrays are dynamically allocated by this routine, |
| // and must be delete[]d by the caller. |
| |
| #endif |