/**********
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This library is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**********/
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// "liveMedia"
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// Copyright (c) 1996-2017 Live Networks, Inc. All rights reserved.
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// Vorbis Audio RTP Sources
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// C++ header
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#ifndef _VORBIS_AUDIO_RTP_SOURCE_HH
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#define _VORBIS_AUDIO_RTP_SOURCE_HH
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#ifndef _MULTI_FRAMED_RTP_SOURCE_HH
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#include "MultiFramedRTPSource.hh"
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#endif
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class VorbisAudioRTPSource: public MultiFramedRTPSource {
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public:
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static VorbisAudioRTPSource*
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createNew(UsageEnvironment& env, Groupsock* RTPgs,
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unsigned char rtpPayloadFormat,
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unsigned rtpTimestampFrequency);
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u_int32_t curPacketIdent() const { return fCurPacketIdent; } // The current "Ident" field; only the low-order 24 bits are used
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protected:
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VorbisAudioRTPSource(UsageEnvironment& env, Groupsock* RTPgs,
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unsigned char rtpPayloadFormat,
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unsigned rtpTimestampFrequency);
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// called only by createNew()
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virtual ~VorbisAudioRTPSource();
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protected:
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// redefined virtual functions:
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virtual Boolean processSpecialHeader(BufferedPacket* packet,
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unsigned& resultSpecialHeaderSize);
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virtual char const* MIMEtype() const;
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private:
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u_int32_t fCurPacketIdent; // only the low-order 24 bits are used
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};
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void parseVorbisOrTheoraConfigStr(char const* configStr,
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u_int8_t*& identificationHdr, unsigned& identificationHdrSize,
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u_int8_t*& commentHdr, unsigned& commentHdrSize,
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u_int8_t*& setupHdr, unsigned& setupHdrSize,
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u_int32_t& identField);
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// Returns (in each of the result parameters) unpacked Vorbis or Theora
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// "identification", "comment", and "setup" headers that were specified in a
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// "config" string (in the SDP description for a Vorbis/RTP or Theora/RTP stream).
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// Each of the "*Hdr" result arrays are dynamically allocated by this routine,
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// and must be delete[]d by the caller.
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#endif
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