blob: f45a97af2f883304e9fc0d0766a9ea94ba50d32b [file] [log] [blame]
/*
* 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;
}