| /* |
| * 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 <stdio.h> |
| #include <algorithm> |
| #include <vector> |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "webrtc/modules/audio_coding/neteq/test/NETEQTEST_RTPpacket.h" |
| |
| #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; |
| } |