| 1 | /********** |
| 2 | This library is free software; you can redistribute it and/or modify it under |
| 3 | the terms of the GNU Lesser General Public License as published by the |
| 4 | Free Software Foundation; either version 3 of the License, or (at your |
| 5 | option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| 6 | |
| 7 | This library is distributed in the hope that it will be useful, but WITHOUT |
| 8 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| 9 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| 10 | more details. |
| 11 | |
| 12 | You should have received a copy of the GNU Lesser General Public License |
| 13 | along with this library; if not, write to the Free Software Foundation, Inc., |
| 14 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 15 | **********/ |
| 16 | // "liveMedia" |
| 17 | // Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved. |
| 18 | // A simplified version of "H264or5VideoStreamFramer" that takes only complete, |
| 19 | // discrete frames (rather than an arbitrary byte stream) as input. |
| 20 | // This avoids the parsing and data copying overhead of the full |
| 21 | // "H264or5VideoStreamFramer". |
| 22 | // C++ header |
| 23 | |
| 24 | #ifndef _H264_OR_5_VIDEO_STREAM_DISCRETE_FRAMER_HH |
| 25 | #define _H264_OR_5_VIDEO_STREAM_DISCRETE_FRAMER_HH |
| 26 | |
| 27 | #ifndef _H264_OR_5_VIDEO_STREAM_FRAMER_HH |
| 28 | #include "H264or5VideoStreamFramer.hh" |
| 29 | #endif |
| 30 | |
| 31 | class H264or5VideoStreamDiscreteFramer: public H264or5VideoStreamFramer { |
| 32 | protected: |
| 33 | H264or5VideoStreamDiscreteFramer(int hNumber, UsageEnvironment& env, FramedSource* inputSource, |
| 34 | Boolean includeStartCodeInOutput, |
| 35 | Boolean insertAccessUnitDelimiters); |
| 36 | // we're an abstract base class |
| 37 | virtual ~H264or5VideoStreamDiscreteFramer(); |
| 38 | |
| 39 | protected: |
| 40 | // redefined virtual functions: |
| 41 | virtual void doGetNextFrame(); |
| 42 | |
| 43 | protected: |
| 44 | static void afterGettingFrame(void* clientData, unsigned frameSize, |
| 45 | unsigned numTruncatedBytes, |
| 46 | struct timeval presentationTime, |
| 47 | unsigned durationInMicroseconds); |
| 48 | void afterGettingFrame1(unsigned frameSize, |
| 49 | unsigned numTruncatedBytes, |
| 50 | struct timeval presentationTime, |
| 51 | unsigned durationInMicroseconds); |
| 52 | |
| 53 | virtual Boolean nalUnitEndsAccessUnit(u_int8_t nal_unit_type); |
| 54 | }; |
| 55 | |
| 56 | #endif |
| 57 | |