Initial upload of NetEq4

This is the first public upload of the new NetEq, version 4.

It has been through extensive internal review during the course of
the project.

TEST=trybots

Review URL: https://webrtc-codereview.appspot.com/1073005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3425 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/audio_coding/neteq4/neteq.cc

@@ -0,0 +1,52 @@
+/*
+ *  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 "webrtc/modules/audio_coding/neteq4/interface/neteq.h"
+
+#include "webrtc/modules/audio_coding/neteq4/buffer_level_filter.h"
+#include "webrtc/modules/audio_coding/neteq4/decoder_database.h"
+#include "webrtc/modules/audio_coding/neteq4/delay_manager.h"
+#include "webrtc/modules/audio_coding/neteq4/delay_peak_detector.h"
+#include "webrtc/modules/audio_coding/neteq4/dtmf_buffer.h"
+#include "webrtc/modules/audio_coding/neteq4/dtmf_tone_generator.h"
+#include "webrtc/modules/audio_coding/neteq4/neteq_impl.h"
+#include "webrtc/modules/audio_coding/neteq4/packet_buffer.h"
+#include "webrtc/modules/audio_coding/neteq4/payload_splitter.h"
+#include "webrtc/modules/audio_coding/neteq4/timestamp_scaler.h"
+
+namespace webrtc {
+
+// Creates all classes needed and inject them into a new NetEqImpl object.
+// Return the new object.
+NetEq* NetEq::Create(int sample_rate_hz) {
+  BufferLevelFilter* buffer_level_filter = new BufferLevelFilter;
+  DecoderDatabase* decoder_database = new DecoderDatabase;
+  DelayPeakDetector* delay_peak_detector = new DelayPeakDetector;
+  DelayManager* delay_manager = new DelayManager(kMaxNumPacketsInBuffer,
+                                                 delay_peak_detector);
+  DtmfBuffer* dtmf_buffer = new DtmfBuffer(sample_rate_hz);
+  DtmfToneGenerator* dtmf_tone_generator = new DtmfToneGenerator;
+  PacketBuffer* packet_buffer = new PacketBuffer(kMaxNumPacketsInBuffer,
+                                                 kMaxBytesInBuffer);
+  PayloadSplitter* payload_splitter = new PayloadSplitter;
+  TimestampScaler* timestamp_scaler = new TimestampScaler(*decoder_database);
+  return new NetEqImpl(sample_rate_hz,
+                       buffer_level_filter,
+                       decoder_database,
+                       delay_manager,
+                       delay_peak_detector,
+                       dtmf_buffer,
+                       dtmf_tone_generator,
+                       packet_buffer,
+                       payload_splitter,
+                       timestamp_scaler);
+}
+
+}  // namespace webrtc