| /* |
| * 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. |
| */ |
| |
| #include "webrtc/modules/audio_coding/neteq/tools/neteq_test.h" |
| |
| #include <iostream> |
| |
| #include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h" |
| |
| namespace webrtc { |
| namespace test { |
| |
| void DefaultNetEqTestErrorCallback::OnInsertPacketError( |
| int error_code, |
| const NetEqInput::PacketData& packet) { |
| if (error_code == NetEq::kUnknownRtpPayloadType) { |
| std::cerr << "RTP Payload type " |
| << static_cast<int>(packet.header.header.payloadType) |
| << " is unknown." << std::endl; |
| } else { |
| std::cerr << "InsertPacket returned error code " << error_code << std::endl; |
| std::cerr << "Header data:" << std::endl; |
| std::cerr << " PT = " << static_cast<int>(packet.header.header.payloadType) |
| << std::endl; |
| std::cerr << " SN = " << packet.header.header.sequenceNumber << std::endl; |
| std::cerr << " TS = " << packet.header.header.timestamp << std::endl; |
| } |
| FATAL(); |
| } |
| |
| void DefaultNetEqTestErrorCallback::OnGetAudioError(int error_code) { |
| std::cerr << "GetAudio returned error code " << error_code << std::endl; |
| FATAL(); |
| } |
| |
| NetEqTest::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) |
| : neteq_(NetEq::Create(config, CreateBuiltinAudioDecoderFactory())), |
| input_(std::move(input)), |
| output_(std::move(output)), |
| error_callback_(error_callback), |
| sample_rate_hz_(config.sample_rate_hz) { |
| RTC_CHECK(!config.enable_muted_state) |
| << "The code does not handle enable_muted_state"; |
| RegisterDecoders(codecs); |
| RegisterExternalDecoders(ext_codecs); |
| } |
| |
| int64_t NetEqTest::Run() { |
| const int64_t start_time_ms = *input_->NextEventTime(); |
| int64_t time_now_ms = start_time_ms; |
| |
| while (!input_->ended()) { |
| // Advance time to next event. |
| RTC_DCHECK(input_->NextEventTime()); |
| time_now_ms = *input_->NextEventTime(); |
| // Check if it is time to insert packet. |
| if (input_->NextPacketTime() && time_now_ms >= *input_->NextPacketTime()) { |
| std::unique_ptr<NetEqInput::PacketData> packet_data = input_->PopPacket(); |
| RTC_CHECK(packet_data); |
| int error = neteq_->InsertPacket( |
| packet_data->header, |
| rtc::ArrayView<const uint8_t>(packet_data->payload), |
| static_cast<uint32_t>(packet_data->time_ms * sample_rate_hz_ / 1000)); |
| if (error != NetEq::kOK && error_callback_) { |
| error_callback_->OnInsertPacketError(neteq_->LastError(), *packet_data); |
| } |
| } |
| |
| // Check if it is time to get output audio. |
| if (input_->NextOutputEventTime() && |
| time_now_ms >= *input_->NextOutputEventTime()) { |
| AudioFrame out_frame; |
| bool muted; |
| int error = neteq_->GetAudio(&out_frame, &muted); |
| RTC_CHECK(!muted) << "The code does not handle enable_muted_state"; |
| if (error != NetEq::kOK) { |
| if (error_callback_) { |
| error_callback_->OnGetAudioError(neteq_->LastError()); |
| } |
| } else { |
| sample_rate_hz_ = out_frame.sample_rate_hz_; |
| } |
| |
| if (output_) { |
| RTC_CHECK(output_->WriteArray( |
| out_frame.data_, |
| out_frame.samples_per_channel_ * out_frame.num_channels_)); |
| } |
| |
| input_->AdvanceOutputEvent(); |
| } |
| } |
| return time_now_ms - start_time_ms; |
| } |
| |
| NetEqNetworkStatistics NetEqTest::SimulationStats() { |
| NetEqNetworkStatistics stats; |
| RTC_CHECK_EQ(neteq_->NetworkStatistics(&stats), 0); |
| return stats; |
| } |
| |
| void NetEqTest::RegisterDecoders(const DecoderMap& codecs) { |
| for (const auto& c : codecs) { |
| RTC_CHECK_EQ( |
| neteq_->RegisterPayloadType(c.second.first, c.second.second, c.first), |
| NetEq::kOK) |
| << "Cannot register " << c.second.second << " to payload type " |
| << c.first; |
| } |
| } |
| |
| void NetEqTest::RegisterExternalDecoders(const ExtDecoderMap& codecs) { |
| for (const auto& c : codecs) { |
| RTC_CHECK_EQ( |
| neteq_->RegisterExternalDecoder(c.second.decoder, c.second.codec, |
| c.second.codec_name, c.first), |
| NetEq::kOK) |
| << "Cannot register " << c.second.codec_name << " to payload type " |
| << c.first; |
| } |
| } |
| |
| } // namespace test |
| } // namespace webrtc |