Refactor neteq_rtpplay

webrtc/modules/audio_coding/neteq/tools/neteq_test.h

+/*
+ *  Copyright (c) 2016 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_MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_TEST_H_
+#define WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_TEST_H_
+
+#include <map>
+#include <memory>
+#include <string>
+#include <utility>
+
+#include "webrtc/modules/audio_coding/neteq/include/neteq.h"
+#include "webrtc/modules/audio_coding/neteq/tools/audio_sink.h"
+#include "webrtc/modules/audio_coding/neteq/tools/neteq_input.h"
+
+namespace webrtc {
+namespace test {
+
+class NetEqTestErrorCallback {
+ public:
+  virtual ~NetEqTestErrorCallback() = default;
+  virtual void OnInsertPacketError(int error_code,
+                                   const NetEqInput::PacketData& packet) {}
+  virtual void OnGetAudioError(int error_code) {}
+};
+
+class DefaultNetEqTestErrorCallback : public NetEqTestErrorCallback {
+  void OnInsertPacketError(int error_code,
+                           const NetEqInput::PacketData& packet) override;
+  void OnGetAudioError(int error_code) override;
+};
+
+// Class that provides an input--output test for NetEq. The input (both packets
+// and output events) is provided by a NetEqInput object, while the output is
+// directed to an AudioSink object.
+class NetEqTest {
+ public:
+  using DecoderMap = std::map<int, std::pair<NetEqDecoder, std::string> >;
+
+  struct ExternalDecoderInfo {
+    AudioDecoder* decoder;
+    NetEqDecoder codec;
+    std::string codec_name;
+  };
+
+  using ExtDecoderMap = std::map<int, ExternalDecoderInfo>;
+
+  // Sets up the test with given configuration, codec mappings, input, ouput,
+  // and callback objects for error reporting.
+  NetEqTest(const NetEq::Config& config,
+            const DecoderMap& codecs,
+            const ExtDecoderMap& ext_codecs,
+            std::unique_ptr<NetEqInput> input,
+            std::unique_ptr<AudioSink> output,
+            NetEqTestErrorCallback* error_callback);
+
+  ~NetEqTest() = default;
+
+  // Runs the test. Returns the duration of the produced audio in ms.
+  int64_t Run();
+
+  // Returns the statistics from NetEq.
+  NetEqNetworkStatistics SimulationStats();
+
+ private:
+  void RegisterDecoders(const DecoderMap& codecs);
+  void RegisterExternalDecoders(const ExtDecoderMap& codecs);
+
+  std::unique_ptr<NetEq> neteq_;
+  std::unique_ptr<NetEqInput> input_;
+  std::unique_ptr<AudioSink> output_;
+  NetEqTestErrorCallback* error_callback_ = nullptr;
+  int sample_rate_hz_;
+};
+
+}  // namespace test
+}  // namespace webrtc
+#endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_TEST_H_