Rename neteq4 folder to neteq

Keep the old neteq4/audio_decoder_unittests.isolate while waiting for
a hard-coded reference to change.

This CL effectively reverts r6257 "Rename neteq4 folder to neteq".

BUG=2996
TBR=tina.legrand@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/21629004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6367 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_coding/neteq/test/RTPchange.cc b/webrtc/modules/audio_coding/neteq/test/RTPchange.cc
new file mode 100644
index 0000000..54395c0
--- /dev/null
+++ b/webrtc/modules/audio_coding/neteq/test/RTPchange.cc
@@ -0,0 +1,133 @@
+/*
+ *  Copyright (c) 2012 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 "webrtc/modules/audio_coding/neteq/test/NETEQTEST_DummyRTPpacket.h"
+#include "webrtc/modules/audio_coding/neteq/test/NETEQTEST_RTPpacket.h"
+
+#define FIRSTLINELEN 40
+//#define WEBRTC_DUMMY_RTP
+
+static bool pktCmp(NETEQTEST_RTPpacket *a, NETEQTEST_RTPpacket *b) {
+  return (a->time() < b->time());
+}
+
+int main(int argc, char* argv[]) {
+  FILE* in_file = fopen(argv[1], "rb");
+  if (!in_file) {
+    printf("Cannot open input file %s\n", argv[1]);
+    return -1;
+  }
+  printf("Input RTP file: %s\n", argv[1]);
+
+  FILE* stat_file = fopen(argv[2], "rt");
+  if (!stat_file) {
+    printf("Cannot open timing file %s\n", argv[2]);
+    return -1;
+  }
+  printf("Timing file: %s\n", argv[2]);
+
+  FILE* out_file = fopen(argv[3], "wb");
+  if (!out_file) {
+    printf("Cannot open output file %s\n", argv[3]);
+    return -1;
+  }
+  printf("Output RTP file: %s\n\n", argv[3]);
+
+  // Read all statistics and insert into map.
+  // Read first line.
+  char temp_str[100];
+  if (fgets(temp_str, 100, stat_file) == NULL) {
+    printf("Failed to read timing file %s\n", argv[2]);
+    return -1;
+  }
+  // Define map.
+  std::map<std::pair<uint16_t, uint32_t>, uint32_t> packet_stats;
+  uint16_t seq_no;
+  uint32_t ts;
+  uint32_t send_time;
+
+  while (fscanf(stat_file,
+                "%hu %u %u %*i %*i\n", &seq_no, &ts, &send_time) == 3) {
+    std::pair<uint16_t, uint32_t>
+        temp_pair = std::pair<uint16_t, uint32_t>(seq_no, ts);
+
+    packet_stats[temp_pair] = send_time;
+  }
+
+  fclose(stat_file);
+
+  // Read file header and write directly to output file.
+  char first_line[FIRSTLINELEN];
+  if (fgets(first_line, FIRSTLINELEN, in_file) == NULL) {
+    printf("Failed to read first line of input file %s\n", argv[1]);
+    return -1;
+  }
+  fputs(first_line, out_file);
+  // start_sec + start_usec + source + port + padding
+  const unsigned int kRtpDumpHeaderSize = 4 + 4 + 4 + 2 + 2;
+  if (fread(first_line, 1, kRtpDumpHeaderSize, in_file)
+      != kRtpDumpHeaderSize) {
+    printf("Failed to read RTP dump header from input file %s\n", argv[1]);
+    return -1;
+  }
+  if (fwrite(first_line, 1, kRtpDumpHeaderSize, out_file)
+      != kRtpDumpHeaderSize) {
+    printf("Failed to write RTP dump header to output file %s\n", argv[3]);
+    return -1;
+  }
+
+  std::vector<NETEQTEST_RTPpacket *> packet_vec;
+
+  while (1) {
+    // Insert in vector.
+#ifdef WEBRTC_DUMMY_RTP
+    NETEQTEST_RTPpacket *new_packet = new NETEQTEST_DummyRTPpacket();
+#else
+    NETEQTEST_RTPpacket *new_packet = new NETEQTEST_RTPpacket();
+#endif
+    if (new_packet->readFromFile(in_file) < 0) {
+      // End of file.
+      break;
+    }
+
+    // Look for new send time in statistics vector.
+    std::pair<uint16_t, uint32_t> temp_pair =
+        std::pair<uint16_t, uint32_t>(new_packet->sequenceNumber(),
+                                      new_packet->timeStamp());
+
+    uint32_t new_send_time = packet_stats[temp_pair];
+    new_packet->setTime(new_send_time);  // Set new send time.
+    packet_vec.push_back(new_packet);  // Insert in vector.
+  }
+
+  // Sort the vector according to send times.
+  std::sort(packet_vec.begin(), packet_vec.end(), pktCmp);
+
+  std::vector<NETEQTEST_RTPpacket *>::iterator it;
+  for (it = packet_vec.begin(); it != packet_vec.end(); it++) {
+    // Write to out file.
+    if ((*it)->writeToFile(out_file) < 0) {
+      printf("Error writing to file\n");
+      return -1;
+    }
+    // Delete packet.
+    delete *it;
+  }
+
+  fclose(in_file);
+  fclose(out_file);
+
+  return 0;
+}