| 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 | // An abstract parser for MPEG video streams |
| 19 | // Implementation |
| 20 | |
| 21 | #include "MPEGVideoStreamParser.hh" |
| 22 | |
| 23 | MPEGVideoStreamParser |
| 24 | ::MPEGVideoStreamParser(MPEGVideoStreamFramer* usingSource, |
| 25 | FramedSource* inputSource) |
| 26 | : StreamParser(inputSource, FramedSource::handleClosure, usingSource, |
| 27 | &MPEGVideoStreamFramer::continueReadProcessing, usingSource), |
| 28 | fUsingSource(usingSource) { |
| 29 | } |
| 30 | |
| 31 | MPEGVideoStreamParser::~MPEGVideoStreamParser() { |
| 32 | } |
| 33 | |
| 34 | void MPEGVideoStreamParser::restoreSavedParserState() { |
| 35 | StreamParser::restoreSavedParserState(); |
| 36 | fTo = fSavedTo; |
| 37 | fNumTruncatedBytes = fSavedNumTruncatedBytes; |
| 38 | } |
| 39 | |
| 40 | void MPEGVideoStreamParser::registerReadInterest(unsigned char* to, |
| 41 | unsigned maxSize) { |
| 42 | fStartOfFrame = fTo = fSavedTo = to; |
| 43 | fLimit = to + maxSize; |
| 44 | fNumTruncatedBytes = fSavedNumTruncatedBytes = 0; |
| 45 | } |
| 46 | |