| /********** |
| 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. |
| // H.265 Video RTP Sources |
| // C++ header |
| |
| #ifndef _H265_VIDEO_RTP_SOURCE_HH |
| #define _H265_VIDEO_RTP_SOURCE_HH |
| |
| #ifndef _MULTI_FRAMED_RTP_SOURCE_HH |
| #include "MultiFramedRTPSource.hh" |
| #endif |
| |
| class H265VideoRTPSource: public MultiFramedRTPSource { |
| public: |
| static H265VideoRTPSource* |
| createNew(UsageEnvironment& env, Groupsock* RTPgs, |
| unsigned char rtpPayloadFormat, |
| Boolean expectDONFields = False, |
| unsigned rtpTimestampFrequency = 90000); |
| // "expectDONFields" is True iff we expect incoming H.265/RTP packets to contain |
| // DONL and DOND fields. I.e., if "tx-mode == "MST" or sprop-depack-buf-nalus > 0". |
| |
| u_int64_t currentNALUnitAbsDon() const { return fCurrentNALUnitAbsDon; } |
| // the 'absolute decoding order number (AbsDon)' for the most-recently delivered NAL unit |
| |
| protected: |
| H265VideoRTPSource(UsageEnvironment& env, Groupsock* RTPgs, |
| unsigned char rtpPayloadFormat, |
| Boolean expectDONFields, |
| unsigned rtpTimestampFrequency); |
| // called only by createNew() |
| |
| virtual ~H265VideoRTPSource(); |
| |
| protected: |
| // redefined virtual functions: |
| virtual Boolean processSpecialHeader(BufferedPacket* packet, |
| unsigned& resultSpecialHeaderSize); |
| virtual char const* MIMEtype() const; |
| |
| private: |
| void computeAbsDonFromDON(u_int16_t DON); |
| |
| private: |
| friend class H265BufferedPacket; |
| Boolean fExpectDONFields; |
| unsigned char fCurPacketNALUnitType; |
| u_int16_t fPreviousNALUnitDON; |
| u_int64_t fCurrentNALUnitAbsDon; |
| }; |
| |
| #endif |