Adding a new test helper RtpFileWriter and use it in RTPcat

This new helper class writes RTP packets to file in rtpdump format.
A unit test is also included.

The new test class is used while re-writing the test tool RTPcat.

BUG=2692
R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/28099004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7768 4adac7df-926f-26a2-2b94-8c16560cd09d

1 files changed, 33 insertions, 0 deletions

diff --git a/webrtc/test/rtp_file_writer.h b/webrtc/test/rtp_file_writer.h
new file mode 100644
index 0000000000..453b27762e
--- /dev/null
+++ b/webrtc/test/rtp_file_writer.h
@@ -0,0 +1,33 @@
+/*
+ *  Copyright (c) 2014 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.
+ */
+#ifndef WEBRTC_TEST_RTP_FILE_WRITER_H_
+#define WEBRTC_TEST_RTP_FILE_WRITER_H_
+
+#include <string>
+
+#include "webrtc/common_types.h"
+#include "webrtc/test/rtp_file_reader.h"
+
+namespace webrtc {
+namespace test {
+class RtpFileWriter {
+ public:
+  enum FileFormat {
+    kRtpDump,
+  };
+
+  virtual ~RtpFileWriter() {}
+  static RtpFileWriter* Create(FileFormat format, const std::string& filename);
+
+  virtual bool WritePacket(const RtpPacket* packet) = 0;
+};
+}  // namespace test
+}  // namespace webrtc
+#endif  // WEBRTC_TEST_RTP_FILE_WRITER_H_