/* * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include <algorithm> #include <stdio.h> #include <vector> #include "NETEQTEST_RTPpacket.h" #include "gtest/gtest.h" /*********************/ /* Misc. definitions */ /*********************/ #define FIRSTLINELEN 40 int main(int argc, char* argv[]) { if(argc < 4 || argc > 6) { printf("Usage: RTPtimeshift in.rtp out.rtp newStartTS [newStartSN [newStartArrTime]]\n"); exit(1); } FILE *inFile=fopen(argv[1],"rb"); if (!inFile) { printf("Cannot open input file %s\n", argv[1]); return(-1); } printf("Input RTP file: %s\n",argv[1]); FILE *outFile=fopen(argv[2],"wb"); if (!outFile) { printf("Cannot open output file %s\n", argv[2]); return(-1); } printf("Output RTP file: %s\n\n",argv[2]); // read file header and write directly to output file const unsigned int kRtpDumpHeaderSize = 4 + 4 + 4 + 2 + 2; char firstline[FIRSTLINELEN]; EXPECT_TRUE(fgets(firstline, FIRSTLINELEN, inFile) != NULL); EXPECT_GT(fputs(firstline, outFile), 0); EXPECT_EQ(kRtpDumpHeaderSize, fread(firstline, 1, kRtpDumpHeaderSize, inFile)); EXPECT_EQ(kRtpDumpHeaderSize, fwrite(firstline, 1, kRtpDumpHeaderSize, outFile)); NETEQTEST_RTPpacket packet; int packLen = packet.readFromFile(inFile); if (packLen < 0) { exit(1); } // get new start TS and start SeqNo from arguments uint32_t TSdiff = atoi(argv[3]) - packet.timeStamp(); uint16_t SNdiff = 0; uint32_t ATdiff = 0; if (argc > 4) { int startSN = atoi(argv[4]); if (startSN >= 0) SNdiff = startSN - packet.sequenceNumber(); if (argc > 5) { int startTS = atoi(argv[5]); if (startTS >= 0) ATdiff = startTS - packet.time(); } } while (packLen >= 0) { packet.setTimeStamp(packet.timeStamp() + TSdiff); packet.setSequenceNumber(packet.sequenceNumber() + SNdiff); packet.setTime(packet.time() + ATdiff); packet.writeToFile(outFile); packLen = packet.readFromFile(inFile); } fclose(inFile); fclose(outFile); return 0; }