| /* |
| * Copyright (c) 2014 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/acm2/acm_receive_test.h" |
| |
| #include <assert.h> |
| #include <stdio.h> |
| |
| #include <memory> |
| |
| #include "webrtc/api/audio_codecs/builtin_audio_decoder_factory.h" |
| #include "webrtc/modules/audio_coding/codecs/audio_format_conversion.h" |
| #include "webrtc/modules/audio_coding/include/audio_coding_module.h" |
| #include "webrtc/modules/audio_coding/neteq/tools/audio_sink.h" |
| #include "webrtc/modules/audio_coding/neteq/tools/packet.h" |
| #include "webrtc/modules/audio_coding/neteq/tools/packet_source.h" |
| #include "webrtc/test/gtest.h" |
| |
| namespace webrtc { |
| namespace test { |
| |
| namespace { |
| // Returns true if the codec should be registered, otherwise false. Changes |
| // the number of channels for the Opus codec to always be 1. |
| bool ModifyAndUseThisCodec(CodecInst* codec_param) { |
| if (STR_CASE_CMP(codec_param->plname, "CN") == 0 && |
| codec_param->plfreq == 48000) |
| return false; // Skip 48 kHz comfort noise. |
| |
| if (STR_CASE_CMP(codec_param->plname, "telephone-event") == 0) |
| return false; // Skip DTFM. |
| |
| return true; |
| } |
| |
| // Remaps payload types from ACM's default to those used in the resource file |
| // neteq_universal_new.rtp. Returns true if the codec should be registered, |
| // otherwise false. The payload types are set as follows (all are mono codecs): |
| // PCMu = 0; |
| // PCMa = 8; |
| // Comfort noise 8 kHz = 13 |
| // Comfort noise 16 kHz = 98 |
| // Comfort noise 32 kHz = 99 |
| // iLBC = 102 |
| // iSAC wideband = 103 |
| // iSAC super-wideband = 104 |
| // AVT/DTMF = 106 |
| // RED = 117 |
| // PCM16b 8 kHz = 93 |
| // PCM16b 16 kHz = 94 |
| // PCM16b 32 kHz = 95 |
| // G.722 = 94 |
| bool RemapPltypeAndUseThisCodec(const char* plname, |
| int plfreq, |
| size_t channels, |
| int* pltype) { |
| if (channels != 1) |
| return false; // Don't use non-mono codecs. |
| |
| // Re-map pltypes to those used in the NetEq test files. |
| if (STR_CASE_CMP(plname, "PCMU") == 0 && plfreq == 8000) { |
| *pltype = 0; |
| } else if (STR_CASE_CMP(plname, "PCMA") == 0 && plfreq == 8000) { |
| *pltype = 8; |
| } else if (STR_CASE_CMP(plname, "CN") == 0 && plfreq == 8000) { |
| *pltype = 13; |
| } else if (STR_CASE_CMP(plname, "CN") == 0 && plfreq == 16000) { |
| *pltype = 98; |
| } else if (STR_CASE_CMP(plname, "CN") == 0 && plfreq == 32000) { |
| *pltype = 99; |
| } else if (STR_CASE_CMP(plname, "ILBC") == 0) { |
| *pltype = 102; |
| } else if (STR_CASE_CMP(plname, "ISAC") == 0 && plfreq == 16000) { |
| *pltype = 103; |
| } else if (STR_CASE_CMP(plname, "ISAC") == 0 && plfreq == 32000) { |
| *pltype = 104; |
| } else if (STR_CASE_CMP(plname, "telephone-event") == 0 && plfreq == 8000) { |
| *pltype = 106; |
| } else if (STR_CASE_CMP(plname, "telephone-event") == 0 && plfreq == 16000) { |
| *pltype = 114; |
| } else if (STR_CASE_CMP(plname, "telephone-event") == 0 && plfreq == 32000) { |
| *pltype = 115; |
| } else if (STR_CASE_CMP(plname, "telephone-event") == 0 && plfreq == 48000) { |
| *pltype = 116; |
| } else if (STR_CASE_CMP(plname, "red") == 0) { |
| *pltype = 117; |
| } else if (STR_CASE_CMP(plname, "L16") == 0 && plfreq == 8000) { |
| *pltype = 93; |
| } else if (STR_CASE_CMP(plname, "L16") == 0 && plfreq == 16000) { |
| *pltype = 94; |
| } else if (STR_CASE_CMP(plname, "L16") == 0 && plfreq == 32000) { |
| *pltype = 95; |
| } else if (STR_CASE_CMP(plname, "G722") == 0) { |
| *pltype = 9; |
| } else { |
| // Don't use any other codecs. |
| return false; |
| } |
| return true; |
| } |
| |
| AudioCodingModule::Config MakeAcmConfig( |
| Clock* clock, |
| rtc::scoped_refptr<AudioDecoderFactory> decoder_factory) { |
| AudioCodingModule::Config config; |
| config.id = 0; |
| config.clock = clock; |
| config.decoder_factory = std::move(decoder_factory); |
| return config; |
| } |
| |
| } // namespace |
| |
| AcmReceiveTestOldApi::AcmReceiveTestOldApi( |
| PacketSource* packet_source, |
| AudioSink* audio_sink, |
| int output_freq_hz, |
| NumOutputChannels exptected_output_channels, |
| rtc::scoped_refptr<AudioDecoderFactory> decoder_factory) |
| : clock_(0), |
| acm_(webrtc::AudioCodingModule::Create( |
| MakeAcmConfig(&clock_, std::move(decoder_factory)))), |
| packet_source_(packet_source), |
| audio_sink_(audio_sink), |
| output_freq_hz_(output_freq_hz), |
| exptected_output_channels_(exptected_output_channels) {} |
| |
| AcmReceiveTestOldApi::~AcmReceiveTestOldApi() = default; |
| |
| void AcmReceiveTestOldApi::RegisterDefaultCodecs() { |
| CodecInst my_codec_param; |
| for (int n = 0; n < acm_->NumberOfCodecs(); n++) { |
| ASSERT_EQ(0, acm_->Codec(n, &my_codec_param)) << "Failed to get codec."; |
| if (ModifyAndUseThisCodec(&my_codec_param)) { |
| ASSERT_EQ(true, |
| acm_->RegisterReceiveCodec(my_codec_param.pltype, |
| CodecInstToSdp(my_codec_param))) |
| << "Couldn't register receive codec.\n"; |
| } |
| } |
| } |
| |
| void AcmReceiveTestOldApi::RegisterNetEqTestCodecs() { |
| CodecInst my_codec_param; |
| for (int n = 0; n < acm_->NumberOfCodecs(); n++) { |
| ASSERT_EQ(0, acm_->Codec(n, &my_codec_param)) << "Failed to get codec."; |
| if (!ModifyAndUseThisCodec(&my_codec_param)) { |
| // Skip this codec. |
| continue; |
| } |
| |
| if (RemapPltypeAndUseThisCodec(my_codec_param.plname, |
| my_codec_param.plfreq, |
| my_codec_param.channels, |
| &my_codec_param.pltype)) { |
| ASSERT_EQ(true, |
| acm_->RegisterReceiveCodec(my_codec_param.pltype, |
| CodecInstToSdp(my_codec_param))) |
| << "Couldn't register receive codec.\n"; |
| } |
| } |
| } |
| |
| void AcmReceiveTestOldApi::Run() { |
| for (std::unique_ptr<Packet> packet(packet_source_->NextPacket()); packet; |
| packet = packet_source_->NextPacket()) { |
| // Pull audio until time to insert packet. |
| while (clock_.TimeInMilliseconds() < packet->time_ms()) { |
| AudioFrame output_frame; |
| bool muted; |
| EXPECT_EQ(0, |
| acm_->PlayoutData10Ms(output_freq_hz_, &output_frame, &muted)); |
| ASSERT_EQ(output_freq_hz_, output_frame.sample_rate_hz_); |
| ASSERT_FALSE(muted); |
| const size_t samples_per_block = |
| static_cast<size_t>(output_freq_hz_ * 10 / 1000); |
| EXPECT_EQ(samples_per_block, output_frame.samples_per_channel_); |
| if (exptected_output_channels_ != kArbitraryChannels) { |
| if (output_frame.speech_type_ == webrtc::AudioFrame::kPLC) { |
| // Don't check number of channels for PLC output, since each test run |
| // usually starts with a short period of mono PLC before decoding the |
| // first packet. |
| } else { |
| EXPECT_EQ(exptected_output_channels_, output_frame.num_channels_); |
| } |
| } |
| ASSERT_TRUE(audio_sink_->WriteAudioFrame(output_frame)); |
| clock_.AdvanceTimeMilliseconds(10); |
| AfterGetAudio(); |
| } |
| |
| // Insert packet after converting from RTPHeader to WebRtcRTPHeader. |
| WebRtcRTPHeader header; |
| header.header = packet->header(); |
| header.frameType = kAudioFrameSpeech; |
| memset(&header.type.Audio, 0, sizeof(RTPAudioHeader)); |
| EXPECT_EQ(0, |
| acm_->IncomingPacket( |
| packet->payload(), |
| static_cast<int32_t>(packet->payload_length_bytes()), |
| header)) |
| << "Failure when inserting packet:" << std::endl |
| << " PT = " << static_cast<int>(header.header.payloadType) << std::endl |
| << " TS = " << header.header.timestamp << std::endl |
| << " SN = " << header.header.sequenceNumber; |
| } |
| } |
| |
| AcmReceiveTestToggleOutputFreqOldApi::AcmReceiveTestToggleOutputFreqOldApi( |
| PacketSource* packet_source, |
| AudioSink* audio_sink, |
| int output_freq_hz_1, |
| int output_freq_hz_2, |
| int toggle_period_ms, |
| NumOutputChannels exptected_output_channels) |
| : AcmReceiveTestOldApi(packet_source, |
| audio_sink, |
| output_freq_hz_1, |
| exptected_output_channels, |
| CreateBuiltinAudioDecoderFactory()), |
| output_freq_hz_1_(output_freq_hz_1), |
| output_freq_hz_2_(output_freq_hz_2), |
| toggle_period_ms_(toggle_period_ms), |
| last_toggle_time_ms_(clock_.TimeInMilliseconds()) {} |
| |
| void AcmReceiveTestToggleOutputFreqOldApi::AfterGetAudio() { |
| if (clock_.TimeInMilliseconds() >= last_toggle_time_ms_ + toggle_period_ms_) { |
| output_freq_hz_ = (output_freq_hz_ == output_freq_hz_1_) |
| ? output_freq_hz_2_ |
| : output_freq_hz_1_; |
| last_toggle_time_ms_ = clock_.TimeInMilliseconds(); |
| } |
| } |
| |
| } // namespace test |
| } // namespace webrtc |
