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diff --git a/talk/examples/call/mediaenginefactory.cc b/talk/examples/call/mediaenginefactory.cc
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+//
+// libjingle
+// Copyright 2004--2007, Google Inc.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//  2. Redistributions in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//  3. The name of the author may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+#include "talk/examples/call/mediaenginefactory.h"
+
+#include "talk/media/base/fakemediaengine.h"
+#include "talk/media/base/filemediaengine.h"
+#include "talk/media/base/mediaengine.h"
+#include "webrtc/base/stringutils.h"
+
+std::vector<cricket::AudioCodec> RequiredAudioCodecs() {
+  std::vector<cricket::AudioCodec> audio_codecs;
+  audio_codecs.push_back(
+      cricket::AudioCodec(9, "G722", 16000, 0, 1, 0));
+  audio_codecs.push_back(
+      cricket::AudioCodec(0, "PCMU", 8000, 0, 1, 0));
+  audio_codecs.push_back(
+      cricket::AudioCodec(13, "CN", 8000, 0, 1, 0));
+  audio_codecs.push_back(
+      cricket::AudioCodec(105, "CN", 16000, 0, 1, 0));
+  return audio_codecs;
+}
+
+std::vector<cricket::VideoCodec> RequiredVideoCodecs() {
+  std::vector<cricket::VideoCodec> video_codecs;
+  video_codecs.push_back(
+      cricket::VideoCodec(97, "H264", 320, 240, 30, 0));
+  video_codecs.push_back(
+      cricket::VideoCodec(99, "H264-SVC", 640, 360, 30, 0));
+  return video_codecs;
+}
+
+cricket::MediaEngineInterface* MediaEngineFactory::CreateFileMediaEngine(
+    const char* voice_in, const char* voice_out,
+    const char* video_in, const char* video_out) {
+  cricket::FileMediaEngine* file_media_engine = new cricket::FileMediaEngine;
+  // Set the RTP dump file names.
+  if (voice_in) {
+    file_media_engine->set_voice_input_filename(voice_in);
+  }
+  if (voice_out) {
+    file_media_engine->set_voice_output_filename(voice_out);
+  }
+  if (video_in) {
+    file_media_engine->set_video_input_filename(video_in);
+  }
+  if (video_out) {
+    file_media_engine->set_video_output_filename(video_out);
+  }
+
+  // Set voice and video codecs. TODO: The codecs actually depend on
+  // the the input voice and video streams.
+  file_media_engine->set_voice_codecs(RequiredAudioCodecs());
+  file_media_engine->set_video_codecs(RequiredVideoCodecs());
+
+  return file_media_engine;
+}