1 /* 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_DELAY_ANALYZER_H_ 12 #define MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_DELAY_ANALYZER_H_ 13 14 #include <map> 15 #include <set> 16 #include <string> 17 #include <vector> 18 19 #include "absl/strings/string_view.h" 20 #include "absl/types/optional.h" 21 #include "modules/audio_coding/neteq/tools/neteq_input.h" 22 #include "modules/audio_coding/neteq/tools/neteq_test.h" 23 24 namespace webrtc { 25 namespace test { 26 27 class NetEqDelayAnalyzer : public test::NetEqPostInsertPacket, 28 public test::NetEqGetAudioCallback { 29 public: 30 void AfterInsertPacket(const test::NetEqInput::PacketData& packet, 31 NetEq* neteq) override; 32 33 void BeforeGetAudio(NetEq* neteq) override; 34 35 void AfterGetAudio(int64_t time_now_ms, 36 const AudioFrame& audio_frame, 37 bool muted, 38 NetEq* neteq) override; 39 40 using Delays = std::vector<std::pair<int64_t, float>>; 41 void CreateGraphs(Delays* arrival_delay_ms, 42 Delays* corrected_arrival_delay_ms, 43 Delays* playout_delay_ms, 44 Delays* target_delay_ms) const; 45 46 // Creates a matlab script with file name script_name. When executed in 47 // Matlab, the script will generate graphs with the same timing information 48 // as provided by CreateGraphs. 49 void CreateMatlabScript(absl::string_view script_name) const; 50 51 // Creates a python script with file name `script_name`. When executed in 52 // Python, the script will generate graphs with the same timing information 53 // as provided by CreateGraphs. 54 void CreatePythonScript(absl::string_view script_name) const; 55 56 private: 57 struct TimingData { TimingDataTimingData58 explicit TimingData(int64_t at) : arrival_time_ms(at) {} 59 int64_t arrival_time_ms; 60 absl::optional<int64_t> decode_get_audio_count; 61 absl::optional<int64_t> sync_delay_ms; 62 absl::optional<int> target_delay_ms; 63 absl::optional<int> current_delay_ms; 64 }; 65 std::map<uint32_t, TimingData> data_; 66 std::vector<int64_t> get_audio_time_ms_; 67 size_t get_audio_count_ = 0; 68 size_t last_sync_buffer_ms_ = 0; 69 int last_sample_rate_hz_ = 0; 70 std::set<uint32_t> ssrcs_; 71 std::set<int> payload_types_; 72 }; 73 74 } // namespace test 75 } // namespace webrtc 76 #endif // MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_DELAY_ANALYZER_H_ 77