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/*
* 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 "modules/audio_coding/neteq/tools/neteq_test.h"
#include <iostream>
#include "api/audio_codecs/builtin_audio_decoder_factory.h"
namespace webrtc {
namespace test {
void DefaultNetEqTestErrorCallback::OnInsertPacketError(
const NetEqInput::PacketData& packet) {
std::cerr << "InsertPacket returned an error." << std::endl;
std::cerr << "Packet data: " << packet.ToString() << std::endl;
FATAL();
}
void DefaultNetEqTestErrorCallback::OnGetAudioError() {
std::cerr << "GetAudio returned an error." << 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,
Callbacks callbacks)
: neteq_(NetEq::Create(config, CreateBuiltinAudioDecoderFactory())),
input_(std::move(input)),
output_(std::move(output)),
callbacks_(callbacks),
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);
}
NetEqTest::~NetEqTest() = default;
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 && callbacks_.error_callback) {
callbacks_.error_callback->OnInsertPacketError(*packet_data);
}
if (callbacks_.post_insert_packet) {
callbacks_.post_insert_packet->AfterInsertPacket(*packet_data,
neteq_.get());
}
}
// Check if it is time to get output audio.
if (input_->NextOutputEventTime() &&
time_now_ms >= *input_->NextOutputEventTime()) {
if (callbacks_.get_audio_callback) {
callbacks_.get_audio_callback->BeforeGetAudio(neteq_.get());
}
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 (callbacks_.error_callback) {
callbacks_.error_callback->OnGetAudioError();
}
} else {
sample_rate_hz_ = out_frame.sample_rate_hz_;
}
if (callbacks_.get_audio_callback) {
callbacks_.get_audio_callback->AfterGetAudio(time_now_ms, out_frame,
muted, neteq_.get());
}
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;
}
NetEqLifetimeStatistics NetEqTest::LifetimeStats() const {
return neteq_->GetLifetimeStatistics();
}
NetEqTest::DecoderMap NetEqTest::StandardDecoderMap() {
DecoderMap codecs = {
{0, std::make_pair(NetEqDecoder::kDecoderPCMu, "pcmu")},
{8, std::make_pair(NetEqDecoder::kDecoderPCMa, "pcma")},
#ifdef WEBRTC_CODEC_ILBC
{102, std::make_pair(NetEqDecoder::kDecoderILBC, "ilbc")},
#endif
{103, std::make_pair(NetEqDecoder::kDecoderISAC, "isac")},
#if !defined(WEBRTC_ANDROID)
{104, std::make_pair(NetEqDecoder::kDecoderISACswb, "isac-swb")},
#endif
#ifdef WEBRTC_CODEC_OPUS
{111, std::make_pair(NetEqDecoder::kDecoderOpus, "opus")},
#endif
{93, std::make_pair(NetEqDecoder::kDecoderPCM16B, "pcm16-nb")},
{94, std::make_pair(NetEqDecoder::kDecoderPCM16Bwb, "pcm16-wb")},
{95, std::make_pair(NetEqDecoder::kDecoderPCM16Bswb32kHz, "pcm16-swb32")},
{96, std::make_pair(NetEqDecoder::kDecoderPCM16Bswb48kHz, "pcm16-swb48")},
{9, std::make_pair(NetEqDecoder::kDecoderG722, "g722")},
{106, std::make_pair(NetEqDecoder::kDecoderAVT, "avt")},
{114, std::make_pair(NetEqDecoder::kDecoderAVT16kHz, "avt-16")},
{115, std::make_pair(NetEqDecoder::kDecoderAVT32kHz, "avt-32")},
{116, std::make_pair(NetEqDecoder::kDecoderAVT48kHz, "avt-48")},
{117, std::make_pair(NetEqDecoder::kDecoderRED, "red")},
{13, std::make_pair(NetEqDecoder::kDecoderCNGnb, "cng-nb")},
{98, std::make_pair(NetEqDecoder::kDecoderCNGwb, "cng-wb")},
{99, std::make_pair(NetEqDecoder::kDecoderCNGswb32kHz, "cng-swb32")},
{100, std::make_pair(NetEqDecoder::kDecoderCNGswb48kHz, "cng-swb48")}
};
return codecs;
}
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
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