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

webrtc/modules/audio_coding/neteq/test/RTPcat.cc

@@ -0,0 +1,75 @@
+/*
+ *  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 "gtest/gtest.h"
+#include "webrtc/modules/audio_coding/neteq/test/NETEQTEST_RTPpacket.h"
+
+#define FIRSTLINELEN 40
+
+int main(int argc, char* argv[]) {
+  if (argc < 3) {
+    printf("Usage: RTPcat in1.rtp int2.rtp [...] out.rtp\n");
+    exit(1);
+  }
+
+  FILE* in_file = fopen(argv[1], "rb");
+  if (!in_file) {
+    printf("Cannot open input file %s\n", argv[1]);
+    return -1;
+  }
+
+  FILE* out_file = fopen(argv[argc - 1], "wb");  // Last parameter is out file.
+  if (!out_file) {
+    printf("Cannot open output file %s\n", argv[argc - 1]);
+    return -1;
+  }
+  printf("Output RTP file: %s\n\n", argv[argc - 1]);
+
+  // Read file header and write directly to output file.
+  char firstline[FIRSTLINELEN];
+  const unsigned int kRtpDumpHeaderSize = 4 + 4 + 4 + 2 + 2;
+  EXPECT_TRUE(fgets(firstline, FIRSTLINELEN, in_file) != NULL);
+  EXPECT_GT(fputs(firstline, out_file), 0);
+  EXPECT_EQ(kRtpDumpHeaderSize, fread(firstline, 1, kRtpDumpHeaderSize,
+                                      in_file));
+  EXPECT_EQ(kRtpDumpHeaderSize, fwrite(firstline, 1, kRtpDumpHeaderSize,
+                                       out_file));
+
+  // Close input file and re-open it later (easier to write the loop below).
+  fclose(in_file);
+
+  for (int i = 1; i < argc - 1; i++) {
+    in_file = fopen(argv[i], "rb");
+    if (!in_file) {
+      printf("Cannot open input file %s\n", argv[i]);
+      return -1;
+    }
+    printf("Input RTP file: %s\n", argv[i]);
+
+    NETEQTEST_RTPpacket::skipFileHeader(in_file);
+    NETEQTEST_RTPpacket packet;
+    int pack_len = packet.readFromFile(in_file);
+    if (pack_len < 0) {
+      exit(1);
+    }
+    while (pack_len >= 0) {
+      packet.writeToFile(out_file);
+      pack_len = packet.readFromFile(in_file);
+    }
+    fclose(in_file);
+  }
+  fclose(out_file);
+  return 0;
+}