Refactor neteq_rtpplay

webrtc/modules/audio_coding/neteq/tools/neteq_packet_source_input.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_PACKET_SOURCE_INPUT_H_
+#define WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_PACKET_SOURCE_INPUT_H_
+
+#include <string>
+
+#include "webrtc/modules/audio_coding/neteq/tools/neteq_input.h"
+
+namespace webrtc {
+namespace test {
+
+// An adapter class to dress up a PacketSource object as a NetEqInput.
+class NetEqPacketSourceInput : public NetEqInput {
+ public:
+  NetEqPacketSourceInput();
+  rtc::Optional<int64_t> NextPacketTime() const override;
+  std::unique_ptr<PacketData> GetPacket() override;
+  rtc::Optional<RTPHeader> NextHeader() const override;
+  void SelectSsrc(uint32_t ssrc) override { source()->SelectSsrc(ssrc); }
+  bool ended() const override { return !next_output_event_ms_; }
+
+ protected:
+  virtual PacketSource* source() = 0;
+  void LoadNextPacket();
+
+  rtc::Optional<int64_t> next_output_event_ms_;
+
+ private:
+  std::unique_ptr<Packet> packet_;
+};
+
+class RtpFileSource;
+
+// Implementation of NetEqPacketSourceInput to be used with an RtpFileSource.
+class NetEqRtpDumpInput final : public NetEqPacketSourceInput {
+ public:
+  explicit NetEqRtpDumpInput(const std::string& file_name);
+
+  rtc::Optional<int64_t> NextOutputEventTime() const override;
+  void AdvanceOutputEvent() override;
+
+ protected:
+  PacketSource* source() override;
+
+ private:
+  static constexpr int64_t kOutputPeriodMs = 10;
+
+  std::unique_ptr<RtpFileSource> source_;
+};
+
+class RtcEventLogSource;
+
+// Implementation of NetEqPacketSourceInput to be used with an
+// RtcEventLogSource.
+class NetEqEventLogInput final : public NetEqPacketSourceInput {
+ public:
+  explicit NetEqEventLogInput(const std::string& file_name);
+
+  rtc::Optional<int64_t> NextOutputEventTime() const override;
+  void AdvanceOutputEvent() override;
+
+ protected:
+  PacketSource* source() override;
+
+ private:
+  std::unique_ptr<RtcEventLogSource> source_;
+};
+
+}  // namespace test
+}  // namespace webrtc
+#endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_PACKET_SOURCE_INPUT_H_