528 lines
16 KiB
C++
528 lines
16 KiB
C++
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/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/voice_engine/output_mixer.h"
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#include "webrtc/base/format_macros.h"
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#include "webrtc/modules/audio_processing/include/audio_processing.h"
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#include "webrtc/modules/utility/include/audio_frame_operations.h"
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#include "webrtc/system_wrappers/include/file_wrapper.h"
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#include "webrtc/system_wrappers/include/trace.h"
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#include "webrtc/voice_engine/include/voe_external_media.h"
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#include "webrtc/voice_engine/statistics.h"
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#include "webrtc/voice_engine/utility.h"
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namespace webrtc {
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namespace voe {
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void
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OutputMixer::NewMixedAudio(int32_t id,
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const AudioFrame& generalAudioFrame,
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const AudioFrame** uniqueAudioFrames,
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uint32_t size)
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{
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WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::NewMixedAudio(id=%d, size=%u)", id, size);
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_audioFrame.CopyFrom(generalAudioFrame);
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_audioFrame.id_ = id;
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}
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void OutputMixer::PlayNotification(int32_t id, uint32_t durationMs)
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{
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WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::PlayNotification(id=%d, durationMs=%d)",
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id, durationMs);
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// Not implement yet
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}
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void OutputMixer::RecordNotification(int32_t id,
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uint32_t durationMs)
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{
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WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::RecordNotification(id=%d, durationMs=%d)",
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id, durationMs);
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// Not implement yet
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}
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void OutputMixer::PlayFileEnded(int32_t id)
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{
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WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::PlayFileEnded(id=%d)", id);
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// not needed
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}
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void OutputMixer::RecordFileEnded(int32_t id)
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{
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WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::RecordFileEnded(id=%d)", id);
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assert(id == _instanceId);
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rtc::CritScope cs(&_fileCritSect);
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_outputFileRecording = false;
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WEBRTC_TRACE(kTraceStateInfo, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::RecordFileEnded() =>"
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"output file recorder module is shutdown");
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}
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int32_t
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OutputMixer::Create(OutputMixer*& mixer, uint32_t instanceId)
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{
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WEBRTC_TRACE(kTraceMemory, kTraceVoice, instanceId,
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"OutputMixer::Create(instanceId=%d)", instanceId);
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mixer = new OutputMixer(instanceId);
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if (mixer == NULL)
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{
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WEBRTC_TRACE(kTraceMemory, kTraceVoice, instanceId,
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"OutputMixer::Create() unable to allocate memory for"
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"mixer");
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return -1;
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}
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return 0;
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}
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OutputMixer::OutputMixer(uint32_t instanceId) :
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_mixerModule(*AudioConferenceMixer::Create(instanceId)),
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_audioLevel(),
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_instanceId(instanceId),
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_externalMediaCallbackPtr(NULL),
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_externalMedia(false),
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_panLeft(1.0f),
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_panRight(1.0f),
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_mixingFrequencyHz(8000),
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_outputFileRecorderPtr(NULL),
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_outputFileRecording(false)
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{
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WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::OutputMixer() - ctor");
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if (_mixerModule.RegisterMixedStreamCallback(this) == -1)
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{
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WEBRTC_TRACE(kTraceError, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::OutputMixer() failed to register mixer"
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"callbacks");
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}
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}
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void
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OutputMixer::Destroy(OutputMixer*& mixer)
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{
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if (mixer)
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{
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delete mixer;
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mixer = NULL;
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}
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}
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OutputMixer::~OutputMixer()
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{
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WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::~OutputMixer() - dtor");
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if (_externalMedia)
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{
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DeRegisterExternalMediaProcessing();
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}
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{
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rtc::CritScope cs(&_fileCritSect);
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if (_outputFileRecorderPtr)
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{
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_outputFileRecorderPtr->RegisterModuleFileCallback(NULL);
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_outputFileRecorderPtr->StopRecording();
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FileRecorder::DestroyFileRecorder(_outputFileRecorderPtr);
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_outputFileRecorderPtr = NULL;
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}
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}
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_mixerModule.UnRegisterMixedStreamCallback();
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delete &_mixerModule;
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}
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int32_t
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OutputMixer::SetEngineInformation(voe::Statistics& engineStatistics)
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{
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WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::SetEngineInformation()");
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_engineStatisticsPtr = &engineStatistics;
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return 0;
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}
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int32_t
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OutputMixer::SetAudioProcessingModule(AudioProcessing* audioProcessingModule)
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{
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WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::SetAudioProcessingModule("
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"audioProcessingModule=0x%x)", audioProcessingModule);
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_audioProcessingModulePtr = audioProcessingModule;
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return 0;
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}
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int OutputMixer::RegisterExternalMediaProcessing(
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VoEMediaProcess& proccess_object)
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{
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WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::RegisterExternalMediaProcessing()");
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rtc::CritScope cs(&_callbackCritSect);
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_externalMediaCallbackPtr = &proccess_object;
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_externalMedia = true;
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return 0;
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}
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int OutputMixer::DeRegisterExternalMediaProcessing()
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{
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WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::DeRegisterExternalMediaProcessing()");
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rtc::CritScope cs(&_callbackCritSect);
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_externalMedia = false;
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_externalMediaCallbackPtr = NULL;
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return 0;
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}
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int32_t
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OutputMixer::SetMixabilityStatus(MixerParticipant& participant,
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bool mixable)
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{
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return _mixerModule.SetMixabilityStatus(&participant, mixable);
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}
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int32_t
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OutputMixer::SetAnonymousMixabilityStatus(MixerParticipant& participant,
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bool mixable)
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{
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return _mixerModule.SetAnonymousMixabilityStatus(&participant, mixable);
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}
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int32_t
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OutputMixer::MixActiveChannels()
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{
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_mixerModule.Process();
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return 0;
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}
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int
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OutputMixer::GetSpeechOutputLevel(uint32_t& level)
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{
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int8_t currentLevel = _audioLevel.Level();
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level = static_cast<uint32_t> (currentLevel);
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WEBRTC_TRACE(kTraceStateInfo, kTraceVoice, VoEId(_instanceId,-1),
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"GetSpeechOutputLevel() => level=%u", level);
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return 0;
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}
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int
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OutputMixer::GetSpeechOutputLevelFullRange(uint32_t& level)
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{
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int16_t currentLevel = _audioLevel.LevelFullRange();
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level = static_cast<uint32_t> (currentLevel);
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WEBRTC_TRACE(kTraceStateInfo, kTraceVoice, VoEId(_instanceId,-1),
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"GetSpeechOutputLevelFullRange() => level=%u", level);
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return 0;
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}
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int
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OutputMixer::SetOutputVolumePan(float left, float right)
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{
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WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::SetOutputVolumePan()");
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_panLeft = left;
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_panRight = right;
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return 0;
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}
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int
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OutputMixer::GetOutputVolumePan(float& left, float& right)
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{
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left = _panLeft;
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right = _panRight;
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WEBRTC_TRACE(kTraceStateInfo, kTraceVoice, VoEId(_instanceId,-1),
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"GetOutputVolumePan() => left=%2.1f, right=%2.1f",
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left, right);
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return 0;
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}
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int OutputMixer::StartRecordingPlayout(const char* fileName,
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const CodecInst* codecInst)
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{
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WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::StartRecordingPlayout(fileName=%s)", fileName);
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if (_outputFileRecording)
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{
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WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId,-1),
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"StartRecordingPlayout() is already recording");
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return 0;
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}
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FileFormats format;
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const uint32_t notificationTime(0);
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CodecInst dummyCodec={100,"L16",16000,320,1,320000};
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if ((codecInst != NULL) &&
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((codecInst->channels < 1) || (codecInst->channels > 2)))
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{
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_engineStatisticsPtr->SetLastError(
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VE_BAD_ARGUMENT, kTraceError,
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"StartRecordingPlayout() invalid compression");
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return(-1);
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}
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if(codecInst == NULL)
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{
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format = kFileFormatPcm16kHzFile;
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codecInst=&dummyCodec;
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}
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else if((STR_CASE_CMP(codecInst->plname,"L16") == 0) ||
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(STR_CASE_CMP(codecInst->plname,"PCMU") == 0) ||
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(STR_CASE_CMP(codecInst->plname,"PCMA") == 0))
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{
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format = kFileFormatWavFile;
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}
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else
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{
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format = kFileFormatCompressedFile;
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}
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rtc::CritScope cs(&_fileCritSect);
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// Destroy the old instance
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if (_outputFileRecorderPtr)
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{
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_outputFileRecorderPtr->RegisterModuleFileCallback(NULL);
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FileRecorder::DestroyFileRecorder(_outputFileRecorderPtr);
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_outputFileRecorderPtr = NULL;
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}
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_outputFileRecorderPtr = FileRecorder::CreateFileRecorder(
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_instanceId,
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(const FileFormats)format);
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if (_outputFileRecorderPtr == NULL)
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{
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_engineStatisticsPtr->SetLastError(
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VE_INVALID_ARGUMENT, kTraceError,
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"StartRecordingPlayout() fileRecorder format isnot correct");
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return -1;
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}
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if (_outputFileRecorderPtr->StartRecordingAudioFile(
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fileName,
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(const CodecInst&)*codecInst,
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notificationTime) != 0)
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{
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_engineStatisticsPtr->SetLastError(
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VE_BAD_FILE, kTraceError,
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"StartRecordingAudioFile() failed to start file recording");
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_outputFileRecorderPtr->StopRecording();
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FileRecorder::DestroyFileRecorder(_outputFileRecorderPtr);
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_outputFileRecorderPtr = NULL;
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return -1;
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}
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_outputFileRecorderPtr->RegisterModuleFileCallback(this);
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_outputFileRecording = true;
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return 0;
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}
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int OutputMixer::StartRecordingPlayout(OutStream* stream,
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const CodecInst* codecInst)
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{
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WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
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"OutputMixer::StartRecordingPlayout()");
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if (_outputFileRecording)
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{
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WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId,-1),
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"StartRecordingPlayout() is already recording");
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return 0;
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}
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FileFormats format;
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const uint32_t notificationTime(0);
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CodecInst dummyCodec={100,"L16",16000,320,1,320000};
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if (codecInst != NULL && codecInst->channels != 1)
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{
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_engineStatisticsPtr->SetLastError(
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VE_BAD_ARGUMENT, kTraceError,
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"StartRecordingPlayout() invalid compression");
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return(-1);
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}
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if(codecInst == NULL)
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{
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format = kFileFormatPcm16kHzFile;
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codecInst=&dummyCodec;
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}
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else if((STR_CASE_CMP(codecInst->plname,"L16") == 0) ||
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(STR_CASE_CMP(codecInst->plname,"PCMU") == 0) ||
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(STR_CASE_CMP(codecInst->plname,"PCMA") == 0))
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{
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format = kFileFormatWavFile;
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}
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else
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{
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format = kFileFormatCompressedFile;
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}
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rtc::CritScope cs(&_fileCritSect);
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// Destroy the old instance
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if (_outputFileRecorderPtr)
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{
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_outputFileRecorderPtr->RegisterModuleFileCallback(NULL);
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|
|
FileRecorder::DestroyFileRecorder(_outputFileRecorderPtr);
|
||
|
|
_outputFileRecorderPtr = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
_outputFileRecorderPtr = FileRecorder::CreateFileRecorder(
|
||
|
|
_instanceId,
|
||
|
|
(const FileFormats)format);
|
||
|
|
if (_outputFileRecorderPtr == NULL)
|
||
|
|
{
|
||
|
|
_engineStatisticsPtr->SetLastError(
|
||
|
|
VE_INVALID_ARGUMENT, kTraceError,
|
||
|
|
"StartRecordingPlayout() fileRecorder format isnot correct");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (_outputFileRecorderPtr->StartRecordingAudioFile(*stream,
|
||
|
|
*codecInst,
|
||
|
|
notificationTime) != 0)
|
||
|
|
{
|
||
|
|
_engineStatisticsPtr->SetLastError(VE_BAD_FILE, kTraceError,
|
||
|
|
"StartRecordingAudioFile() failed to start file recording");
|
||
|
|
_outputFileRecorderPtr->StopRecording();
|
||
|
|
FileRecorder::DestroyFileRecorder(_outputFileRecorderPtr);
|
||
|
|
_outputFileRecorderPtr = NULL;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
_outputFileRecorderPtr->RegisterModuleFileCallback(this);
|
||
|
|
_outputFileRecording = true;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int OutputMixer::StopRecordingPlayout()
|
||
|
|
{
|
||
|
|
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
|
||
|
|
"OutputMixer::StopRecordingPlayout()");
|
||
|
|
|
||
|
|
if (!_outputFileRecording)
|
||
|
|
{
|
||
|
|
WEBRTC_TRACE(kTraceError, kTraceVoice, VoEId(_instanceId,-1),
|
||
|
|
"StopRecordingPlayout() file isnot recording");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
rtc::CritScope cs(&_fileCritSect);
|
||
|
|
|
||
|
|
if (_outputFileRecorderPtr->StopRecording() != 0)
|
||
|
|
{
|
||
|
|
_engineStatisticsPtr->SetLastError(
|
||
|
|
VE_STOP_RECORDING_FAILED, kTraceError,
|
||
|
|
"StopRecording(), could not stop recording");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
_outputFileRecorderPtr->RegisterModuleFileCallback(NULL);
|
||
|
|
FileRecorder::DestroyFileRecorder(_outputFileRecorderPtr);
|
||
|
|
_outputFileRecorderPtr = NULL;
|
||
|
|
_outputFileRecording = false;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int OutputMixer::GetMixedAudio(int sample_rate_hz,
|
||
|
|
size_t num_channels,
|
||
|
|
AudioFrame* frame) {
|
||
|
|
WEBRTC_TRACE(
|
||
|
|
kTraceStream, kTraceVoice, VoEId(_instanceId,-1),
|
||
|
|
"OutputMixer::GetMixedAudio(sample_rate_hz=%d, num_channels=%" PRIuS ")",
|
||
|
|
sample_rate_hz, num_channels);
|
||
|
|
|
||
|
|
// --- Record playout if enabled
|
||
|
|
{
|
||
|
|
rtc::CritScope cs(&_fileCritSect);
|
||
|
|
if (_outputFileRecording && _outputFileRecorderPtr)
|
||
|
|
_outputFileRecorderPtr->RecordAudioToFile(_audioFrame);
|
||
|
|
}
|
||
|
|
|
||
|
|
frame->num_channels_ = num_channels;
|
||
|
|
frame->sample_rate_hz_ = sample_rate_hz;
|
||
|
|
// TODO(andrew): Ideally the downmixing would occur much earlier, in
|
||
|
|
// AudioCodingModule.
|
||
|
|
RemixAndResample(_audioFrame, &resampler_, frame);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int32_t
|
||
|
|
OutputMixer::DoOperationsOnCombinedSignal(bool feed_data_to_apm)
|
||
|
|
{
|
||
|
|
if (_audioFrame.sample_rate_hz_ != _mixingFrequencyHz)
|
||
|
|
{
|
||
|
|
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId,-1),
|
||
|
|
"OutputMixer::DoOperationsOnCombinedSignal() => "
|
||
|
|
"mixing frequency = %d", _audioFrame.sample_rate_hz_);
|
||
|
|
_mixingFrequencyHz = _audioFrame.sample_rate_hz_;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Scale left and/or right channel(s) if balance is active
|
||
|
|
if (_panLeft != 1.0 || _panRight != 1.0)
|
||
|
|
{
|
||
|
|
if (_audioFrame.num_channels_ == 1)
|
||
|
|
{
|
||
|
|
AudioFrameOperations::MonoToStereo(&_audioFrame);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Pure stereo mode (we are receiving a stereo signal).
|
||
|
|
}
|
||
|
|
|
||
|
|
assert(_audioFrame.num_channels_ == 2);
|
||
|
|
AudioFrameOperations::Scale(_panLeft, _panRight, _audioFrame);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --- Far-end Voice Quality Enhancement (AudioProcessing Module)
|
||
|
|
if (feed_data_to_apm) {
|
||
|
|
if (_audioProcessingModulePtr->ProcessReverseStream(&_audioFrame) != 0) {
|
||
|
|
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
|
||
|
|
"AudioProcessingModule::ProcessReverseStream() => error");
|
||
|
|
RTC_DCHECK(false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// --- External media processing
|
||
|
|
{
|
||
|
|
rtc::CritScope cs(&_callbackCritSect);
|
||
|
|
if (_externalMedia)
|
||
|
|
{
|
||
|
|
const bool is_stereo = (_audioFrame.num_channels_ == 2);
|
||
|
|
if (_externalMediaCallbackPtr)
|
||
|
|
{
|
||
|
|
_externalMediaCallbackPtr->Process(
|
||
|
|
-1,
|
||
|
|
kPlaybackAllChannelsMixed,
|
||
|
|
(int16_t*)_audioFrame.data_,
|
||
|
|
_audioFrame.samples_per_channel_,
|
||
|
|
_audioFrame.sample_rate_hz_,
|
||
|
|
is_stereo);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// --- Measure audio level (0-9) for the combined signal
|
||
|
|
_audioLevel.ComputeLevel(_audioFrame);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
} // namespace voe
|
||
|
|
} // namespace webrtc
|