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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/api/test/neteq_simulator.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/api/test/neteq_simulator.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/test/neteq_simulator.h b/third_party/libwebrtc/api/test/neteq_simulator.h new file mode 100644 index 0000000000..88c7ffa681 --- /dev/null +++ b/third_party/libwebrtc/api/test/neteq_simulator.h @@ -0,0 +1,82 @@ +/* + * Copyright (c) 2018 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 API_TEST_NETEQ_SIMULATOR_H_ +#define API_TEST_NETEQ_SIMULATOR_H_ + +#include <stdint.h> + +#include <map> +#include <vector> + +namespace webrtc { +namespace test { + +class NetEqSimulator { + public: + virtual ~NetEqSimulator() = default; + + enum class Action { kNormal, kExpand, kAccelerate, kPreemptiveExpand }; + + // The results of one simulation step. + struct SimulationStepResult { + SimulationStepResult(); + SimulationStepResult(const SimulationStepResult& other); + ~SimulationStepResult(); + + bool is_simulation_finished = false; + // The amount of audio produced (in ms) with the actions in this time step. + std::map<Action, int> action_times_ms; + // The amount of wall clock time (in ms) that elapsed since the previous + // event. This is not necessarily equal to the sum of the values in + // action_times_ms. + int64_t simulation_step_ms = 0; + }; + + struct NetEqState { + NetEqState(); + NetEqState(const NetEqState& other); + ~NetEqState(); + // The sum of the packet buffer and sync buffer delay. + int current_delay_ms = 0; + // An indicator that packet loss occurred since the last GetAudio event. + bool packet_loss_occurred = false; + // An indicator that the packet buffer has been flushed since the last + // GetAudio event. + bool packet_buffer_flushed = false; + // Indicates if the next needed packet is available in the buffer. + bool next_packet_available = false; + // The inter-arrival times in ms of the packets that have arrived since the + // last GetAudio event. + std::vector<int> packet_iat_ms; + // The current packet size in ms. + int packet_size_ms = 0; + }; + + // Runs the simulation until the end. Returns the duration of the produced + // audio in ms. + virtual int64_t Run() = 0; + // Runs the simulation until we hit the next GetAudio event. If the simulation + // is finished, is_simulation_finished will be set to true in the returned + // SimulationStepResult. + virtual SimulationStepResult RunToNextGetAudio() = 0; + + // Set the next action to be taken by NetEq. This will override any action + // that NetEq would normally decide to take. + virtual void SetNextAction(Action next_operation) = 0; + + // Get the current state of NetEq. + virtual NetEqState GetNetEqState() = 0; +}; + +} // namespace test +} // namespace webrtc + +#endif // API_TEST_NETEQ_SIMULATOR_H_ |