Jakob Ivarsson b5f4006589 Inject field trials in NetEqTest instead of setting global.
We can avoid using the global now that field trials from Environment are
used in NetEq. This allows running multiple instances in parallel with
different settings.

Bug: webrtc:42220378
Change-Id: Icff8539e3ae9b61c86bb393d9a313e786e032b93
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/359720
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Jakob Ivarsson‎ <jakobi@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42894}
2024-08-30 09:11:50 +00:00

134 lines
4.5 KiB
C++

/*
* 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 MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_TEST_H_
#define MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_TEST_H_
#include <fstream>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include "absl/types/optional.h"
#include "api/audio_codecs/audio_decoder_factory.h"
#include "api/environment/environment.h"
#include "api/neteq/neteq.h"
#include "api/neteq/neteq_factory.h"
#include "api/test/neteq_simulator.h"
#include "modules/audio_coding/neteq/tools/audio_sink.h"
#include "modules/audio_coding/neteq/tools/neteq_input.h"
#include "system_wrappers/include/clock.h"
namespace webrtc {
namespace test {
class NetEqTestErrorCallback {
public:
virtual ~NetEqTestErrorCallback() = default;
virtual void OnInsertPacketError(const NetEqInput::PacketData& packet) {}
virtual void OnGetAudioError() {}
};
class DefaultNetEqTestErrorCallback : public NetEqTestErrorCallback {
void OnInsertPacketError(const NetEqInput::PacketData& packet) override;
void OnGetAudioError() override;
};
class NetEqPostInsertPacket {
public:
virtual ~NetEqPostInsertPacket() = default;
virtual void AfterInsertPacket(const NetEqInput::PacketData& packet,
NetEq* neteq) = 0;
};
class NetEqGetAudioCallback {
public:
virtual ~NetEqGetAudioCallback() = default;
virtual void BeforeGetAudio(NetEq* neteq) = 0;
virtual void AfterGetAudio(int64_t time_now_ms,
const AudioFrame& audio_frame,
bool muted,
NetEq* neteq) = 0;
};
class NetEqSimulationEndedCallback {
public:
virtual ~NetEqSimulationEndedCallback() = default;
virtual void SimulationEnded(int64_t simulation_time_ms) = 0;
};
// 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 NetEqSimulator {
public:
using DecoderMap = std::map<int, SdpAudioFormat>;
struct Callbacks {
NetEqTestErrorCallback* error_callback = nullptr;
NetEqPostInsertPacket* post_insert_packet = nullptr;
NetEqGetAudioCallback* get_audio_callback = nullptr;
NetEqSimulationEndedCallback* simulation_ended_callback = nullptr;
};
// Sets up the test with given configuration, codec mappings, input, ouput,
// and callback objects for error reporting.
NetEqTest(const NetEq::Config& config,
rtc::scoped_refptr<AudioDecoderFactory> decoder_factory,
const DecoderMap& codecs,
std::unique_ptr<std::ofstream> text_log,
NetEqFactory* neteq_factory,
std::unique_ptr<NetEqInput> input,
std::unique_ptr<AudioSink> output,
Callbacks callbacks,
absl::string_view field_trials = "");
~NetEqTest() override;
// Runs the test. Returns the duration of the produced audio in ms.
int64_t Run() override;
// 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.
SimulationStepResult RunToNextGetAudio() override;
void SetNextAction(Action next_operation) override;
NetEqState GetNetEqState() override;
NetEq* GetNetEq() override { return neteq_.get(); }
// Returns the statistics from NetEq.
NetEqNetworkStatistics SimulationStats();
NetEqLifetimeStatistics LifetimeStats() const;
static DecoderMap StandardDecoderMap();
private:
void RegisterDecoders(const DecoderMap& codecs);
std::unique_ptr<NetEqInput> input_;
SimulatedClock clock_;
const Environment env_;
absl::optional<Action> next_action_;
absl::optional<int> last_packet_time_ms_;
std::unique_ptr<NetEq> neteq_;
std::unique_ptr<AudioSink> output_;
Callbacks callbacks_;
int sample_rate_hz_;
NetEqState current_state_;
NetEqOperationsAndState prev_ops_state_;
NetEqLifetimeStatistics prev_lifetime_stats_;
absl::optional<uint32_t> last_packet_timestamp_;
std::unique_ptr<std::ofstream> text_log_;
};
} // namespace test
} // namespace webrtc
#endif // MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_TEST_H_