| 1 | /********** | 
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| 2 | This library is free software; you can redistribute it and/or modify it under | 
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| 3 | the terms of the GNU Lesser General Public License as published by the | 
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| 4 | Free Software Foundation; either version 3 of the License, or (at your | 
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| 5 | option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) | 
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| 6 |  | 
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| 7 | This library is distributed in the hope that it will be useful, but WITHOUT | 
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| 8 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | 
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| 9 | FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for | 
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| 10 | more details. | 
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| 11 |  | 
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| 12 | You should have received a copy of the GNU Lesser General Public License | 
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| 13 | along with this library; if not, write to the Free Software Foundation, Inc., | 
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| 14 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA | 
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| 15 | **********/ | 
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| 16 | // "liveMedia" | 
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| 17 | // Copyright (c) 1996-2020 Live Networks, Inc.  All rights reserved. | 
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| 18 | // An abstract parser for MPEG video streams | 
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| 19 | // Implementation | 
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| 20 |  | 
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| 21 | #include "MPEGVideoStreamParser.hh" | 
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| 22 |  | 
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| 23 | MPEGVideoStreamParser | 
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| 24 | ::MPEGVideoStreamParser(MPEGVideoStreamFramer* usingSource, | 
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| 25 | FramedSource* inputSource) | 
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| 26 | : StreamParser(inputSource, FramedSource::handleClosure, usingSource, | 
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| 27 | &MPEGVideoStreamFramer::continueReadProcessing, usingSource), | 
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| 28 | fUsingSource(usingSource) { | 
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| 29 | } | 
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| 30 |  | 
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| 31 | MPEGVideoStreamParser::~MPEGVideoStreamParser() { | 
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| 32 | } | 
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| 33 |  | 
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| 34 | void MPEGVideoStreamParser::restoreSavedParserState() { | 
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| 35 | StreamParser::restoreSavedParserState(); | 
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| 36 | fTo = fSavedTo; | 
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| 37 | fNumTruncatedBytes = fSavedNumTruncatedBytes; | 
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| 38 | } | 
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| 39 |  | 
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| 40 | void MPEGVideoStreamParser::registerReadInterest(unsigned char* to, | 
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| 41 | unsigned maxSize) { | 
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| 42 | fStartOfFrame = fTo = fSavedTo = to; | 
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| 43 | fLimit = to + maxSize; | 
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| 44 | fNumTruncatedBytes = fSavedNumTruncatedBytes = 0; | 
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| 45 | } | 
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| 46 |  | 
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