| /********** |
| 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.264 or H.265 Video File sinks |
| // Implementation |
| |
| #include "H264or5VideoFileSink.hh" |
| #include "H264VideoRTPSource.hh" // for "parseSPropParameterSets()" |
| |
| ////////// H264or5VideoFileSink ////////// |
| |
| H264or5VideoFileSink |
| ::H264or5VideoFileSink(UsageEnvironment& env, FILE* fid, |
| unsigned bufferSize, char const* perFrameFileNamePrefix, |
| char const* sPropParameterSetsStr1, |
| char const* sPropParameterSetsStr2, |
| char const* sPropParameterSetsStr3) |
| : FileSink(env, fid, bufferSize, perFrameFileNamePrefix), |
| fHaveWrittenFirstFrame(False) { |
| fSPropParameterSetsStr[0] = strDup(sPropParameterSetsStr1); |
| fSPropParameterSetsStr[1] = strDup(sPropParameterSetsStr2); |
| fSPropParameterSetsStr[2] = strDup(sPropParameterSetsStr3); |
| } |
| |
| H264or5VideoFileSink::~H264or5VideoFileSink() { |
| for (unsigned j = 0; j < 3; ++j) delete[] (char*)fSPropParameterSetsStr[j]; |
| } |
| |
| void H264or5VideoFileSink::afterGettingFrame(unsigned frameSize, unsigned numTruncatedBytes, struct timeval presentationTime) { |
| unsigned char const start_code[4] = {0x00, 0x00, 0x00, 0x01}; |
| |
| if (!fHaveWrittenFirstFrame) { |
| // If we have NAL units encoded in "sprop parameter strings", prepend these to the file: |
| for (unsigned j = 0; j < 3; ++j) { |
| unsigned numSPropRecords; |
| SPropRecord* sPropRecords |
| = parseSPropParameterSets(fSPropParameterSetsStr[j], numSPropRecords); |
| for (unsigned i = 0; i < numSPropRecords; ++i) { |
| if (sPropRecords[i].sPropLength > 0) addData(start_code, 4, presentationTime); |
| addData(sPropRecords[i].sPropBytes, sPropRecords[i].sPropLength, presentationTime); |
| } |
| delete[] sPropRecords; |
| } |
| fHaveWrittenFirstFrame = True; // for next time |
| } |
| |
| // Write the input data to the file, with the start code in front: |
| addData(start_code, 4, presentationTime); |
| |
| // Call the parent class to complete the normal file write with the input data: |
| FileSink::afterGettingFrame(frameSize, numTruncatedBytes, presentationTime); |
| } |