blob: d131a8574f484976399156437ffd72b5d93b3685 [file] [log] [blame]
/*
* Copyright (c) 2012 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 "transmit_mixer.h"
#include "audio_frame_operations.h"
#include "channel.h"
#include "channel_manager.h"
#include "critical_section_wrapper.h"
#include "event_wrapper.h"
#include "statistics.h"
#include "trace.h"
#include "utility.h"
#include "voe_base_impl.h"
#include "voe_external_media.h"
#define WEBRTC_ABS(a) (((a) < 0) ? -(a) : (a))
namespace webrtc {
namespace voe {
void
TransmitMixer::OnPeriodicProcess()
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::OnPeriodicProcess()");
#if defined(WEBRTC_VOICE_ENGINE_TYPING_DETECTION)
if (_typingNoiseWarning > 0)
{
CriticalSectionScoped cs(_callbackCritSect);
if (_voiceEngineObserverPtr)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::OnPeriodicProcess() => "
"CallbackOnError(VE_TYPING_NOISE_WARNING)");
_voiceEngineObserverPtr->CallbackOnError(-1,
VE_TYPING_NOISE_WARNING);
}
_typingNoiseWarning = 0;
}
#endif
if (_saturationWarning > 0)
{
CriticalSectionScoped cs(_callbackCritSect);
if (_voiceEngineObserverPtr)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::OnPeriodicProcess() =>"
" CallbackOnError(VE_SATURATION_WARNING)");
_voiceEngineObserverPtr->CallbackOnError(-1, VE_SATURATION_WARNING);
}
_saturationWarning = 0;
}
if (_noiseWarning > 0)
{
CriticalSectionScoped cs(_callbackCritSect);
if (_voiceEngineObserverPtr)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::OnPeriodicProcess() =>"
"CallbackOnError(VE_NOISE_WARNING)");
_voiceEngineObserverPtr->CallbackOnError(-1, VE_NOISE_WARNING);
}
_noiseWarning = 0;
}
}
void TransmitMixer::PlayNotification(const WebRtc_Word32 id,
const WebRtc_UWord32 durationMs)
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::PlayNotification(id=%d, durationMs=%d)",
id, durationMs);
// Not implement yet
}
void TransmitMixer::RecordNotification(const WebRtc_Word32 id,
const WebRtc_UWord32 durationMs)
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId,-1),
"TransmitMixer::RecordNotification(id=%d, durationMs=%d)",
id, durationMs);
// Not implement yet
}
void TransmitMixer::PlayFileEnded(const WebRtc_Word32 id)
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::PlayFileEnded(id=%d)", id);
assert(id == _filePlayerId);
CriticalSectionScoped cs(_critSect);
_filePlaying = false;
WEBRTC_TRACE(kTraceStateInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::PlayFileEnded() =>"
"file player module is shutdown");
}
void
TransmitMixer::RecordFileEnded(const WebRtc_Word32 id)
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::RecordFileEnded(id=%d)", id);
if (id == _fileRecorderId)
{
CriticalSectionScoped cs(_critSect);
_fileRecording = false;
WEBRTC_TRACE(kTraceStateInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::RecordFileEnded() => fileRecorder module"
"is shutdown");
} else if (id == _fileCallRecorderId)
{
CriticalSectionScoped cs(_critSect);
_fileCallRecording = false;
WEBRTC_TRACE(kTraceStateInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::RecordFileEnded() => fileCallRecorder"
"module is shutdown");
}
}
WebRtc_Word32
TransmitMixer::Create(TransmitMixer*& mixer, const WebRtc_UWord32 instanceId)
{
WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(instanceId, -1),
"TransmitMixer::Create(instanceId=%d)", instanceId);
mixer = new TransmitMixer(instanceId);
if (mixer == NULL)
{
WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(instanceId, -1),
"TransmitMixer::Create() unable to allocate memory"
"for mixer");
return -1;
}
return 0;
}
void
TransmitMixer::Destroy(TransmitMixer*& mixer)
{
if (mixer)
{
delete mixer;
mixer = NULL;
}
}
TransmitMixer::TransmitMixer(const WebRtc_UWord32 instanceId) :
_engineStatisticsPtr(NULL),
_channelManagerPtr(NULL),
_audioProcessingModulePtr(NULL),
_voiceEngineObserverPtr(NULL),
_processThreadPtr(NULL),
_filePlayerPtr(NULL),
_fileRecorderPtr(NULL),
_fileCallRecorderPtr(NULL),
// Avoid conflict with other channels by adding 1024 - 1026,
// won't use as much as 1024 channels.
_filePlayerId(instanceId + 1024),
_fileRecorderId(instanceId + 1025),
_fileCallRecorderId(instanceId + 1026),
_filePlaying(false),
_fileRecording(false),
_fileCallRecording(false),
_audioLevel(),
_critSect(*CriticalSectionWrapper::CreateCriticalSection()),
_callbackCritSect(*CriticalSectionWrapper::CreateCriticalSection()),
#ifdef WEBRTC_VOICE_ENGINE_TYPING_DETECTION
_timeActive(0),
_penaltyCounter(0),
_typingNoiseWarning(0),
#endif
_saturationWarning(0),
_noiseWarning(0),
_instanceId(instanceId),
_mixFileWithMicrophone(false),
_captureLevel(0),
_externalMedia(false),
_externalMediaCallbackPtr(NULL),
_mute(false),
_remainingMuteMicTimeMs(0),
_mixingFrequency(0),
_includeAudioLevelIndication(false)
{
WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::TransmitMixer() - ctor");
}
TransmitMixer::~TransmitMixer()
{
WEBRTC_TRACE(kTraceMemory, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::~TransmitMixer() - dtor");
_monitorModule.DeRegisterObserver();
if (_processThreadPtr)
{
_processThreadPtr->DeRegisterModule(&_monitorModule);
}
if (_externalMedia)
{
DeRegisterExternalMediaProcessing();
}
{
CriticalSectionScoped cs(_critSect);
if (_fileRecorderPtr)
{
_fileRecorderPtr->RegisterModuleFileCallback(NULL);
_fileRecorderPtr->StopRecording();
FileRecorder::DestroyFileRecorder(_fileRecorderPtr);
_fileRecorderPtr = NULL;
}
if (_fileCallRecorderPtr)
{
_fileCallRecorderPtr->RegisterModuleFileCallback(NULL);
_fileCallRecorderPtr->StopRecording();
FileRecorder::DestroyFileRecorder(_fileCallRecorderPtr);
_fileCallRecorderPtr = NULL;
}
if (_filePlayerPtr)
{
_filePlayerPtr->RegisterModuleFileCallback(NULL);
_filePlayerPtr->StopPlayingFile();
FilePlayer::DestroyFilePlayer(_filePlayerPtr);
_filePlayerPtr = NULL;
}
}
delete &_critSect;
delete &_callbackCritSect;
}
WebRtc_Word32
TransmitMixer::SetEngineInformation(ProcessThread& processThread,
Statistics& engineStatistics,
ChannelManager& channelManager)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::SetEngineInformation()");
_processThreadPtr = &processThread;
_engineStatisticsPtr = &engineStatistics;
_channelManagerPtr = &channelManager;
if (_processThreadPtr->RegisterModule(&_monitorModule) == -1)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::SetEngineInformation() failed to"
"register the monitor module");
} else
{
_monitorModule.RegisterObserver(*this);
}
return 0;
}
WebRtc_Word32
TransmitMixer::RegisterVoiceEngineObserver(VoiceEngineObserver& observer)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::RegisterVoiceEngineObserver()");
CriticalSectionScoped cs(_callbackCritSect);
if (_voiceEngineObserverPtr)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_OPERATION, kTraceError,
"RegisterVoiceEngineObserver() observer already enabled");
return -1;
}
_voiceEngineObserverPtr = &observer;
return 0;
}
WebRtc_Word32
TransmitMixer::SetAudioProcessingModule(AudioProcessing* audioProcessingModule)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::SetAudioProcessingModule("
"audioProcessingModule=0x%x)",
audioProcessingModule);
_audioProcessingModulePtr = audioProcessingModule;
return 0;
}
WebRtc_Word32
TransmitMixer::PrepareDemux(const WebRtc_Word8* audioSamples,
const WebRtc_UWord32 nSamples,
const WebRtc_UWord8 nChannels,
const WebRtc_UWord32 samplesPerSec,
const WebRtc_UWord16 totalDelayMS,
const WebRtc_Word32 clockDrift,
const WebRtc_UWord16 currentMicLevel)
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::PrepareDemux(nSamples=%u, nChannels=%u,"
"samplesPerSec=%u, totalDelayMS=%u, clockDrift=%u,"
"currentMicLevel=%u)", nSamples, nChannels, samplesPerSec,
totalDelayMS, clockDrift, currentMicLevel);
const int mixingFrequency = _mixingFrequency;
ScopedChannel sc(*_channelManagerPtr);
void* iterator(NULL);
Channel* channelPtr = sc.GetFirstChannel(iterator);
_mixingFrequency = 8000;
while (channelPtr != NULL)
{
if (channelPtr->Sending())
{
CodecInst tmpCdc;
channelPtr->GetSendCodec(tmpCdc);
if (tmpCdc.plfreq > _mixingFrequency)
_mixingFrequency = tmpCdc.plfreq;
}
channelPtr = sc.GetNextChannel(iterator);
}
// --- Resample input audio and create/store the initial audio frame
if (GenerateAudioFrame((const WebRtc_Word16*) audioSamples,
nSamples,
nChannels,
samplesPerSec,
_mixingFrequency) == -1)
{
return -1;
}
// --- Near-end Voice Quality Enhancement (APM) processing
APMProcessStream(totalDelayMS, clockDrift, currentMicLevel);
// --- Annoying typing detection (utilizes the APM/VAD decision)
#ifdef WEBRTC_VOICE_ENGINE_TYPING_DETECTION
TypingDetection();
#endif
// --- Mute during DTMF tone if direct feedback is enabled
if (_remainingMuteMicTimeMs > 0)
{
AudioFrameOperations::Mute(_audioFrame);
_remainingMuteMicTimeMs -= 10;
if (_remainingMuteMicTimeMs < 0)
{
_remainingMuteMicTimeMs = 0;
}
}
// --- Mute signal
if (_mute)
{
AudioFrameOperations::Mute(_audioFrame);
}
// --- Measure audio level of speech after APM processing
_audioLevel.ComputeLevel(_audioFrame);
// --- Mix with file (does not affect the mixing frequency)
if (_filePlaying)
{
MixOrReplaceAudioWithFile(_mixingFrequency);
}
// --- Record to file
if (_fileRecording)
{
RecordAudioToFile(_mixingFrequency);
}
// --- External media processing
if (_externalMedia)
{
CriticalSectionScoped cs(_callbackCritSect);
const bool isStereo = (_audioFrame._audioChannel == 2);
if (_externalMediaCallbackPtr)
{
_externalMediaCallbackPtr->Process(
-1,
kRecordingAllChannelsMixed,
(WebRtc_Word16*) _audioFrame._payloadData,
_audioFrame._payloadDataLengthInSamples,
_audioFrame._frequencyInHz,
isStereo);
}
}
if (_mixingFrequency != mixingFrequency)
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::TransmitMixer::PrepareDemux() => "
"mixing frequency = %d",
_mixingFrequency);
}
return 0;
}
WebRtc_Word32
TransmitMixer::DemuxAndMix()
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::DemuxAndMix()");
ScopedChannel sc(*_channelManagerPtr);
void* iterator(NULL);
Channel* channelPtr = sc.GetFirstChannel(iterator);
while (channelPtr != NULL)
{
if (channelPtr->InputIsOnHold())
{
channelPtr->UpdateLocalTimeStamp();
} else if (channelPtr->Sending())
{
// load temporary audioframe with current (mixed) microphone signal
AudioFrame tmpAudioFrame = _audioFrame;
channelPtr->Demultiplex(tmpAudioFrame);
channelPtr->PrepareEncodeAndSend(_mixingFrequency);
}
channelPtr = sc.GetNextChannel(iterator);
}
return 0;
}
WebRtc_Word32
TransmitMixer::EncodeAndSend()
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::EncodeAndSend()");
ScopedChannel sc(*_channelManagerPtr);
void* iterator(NULL);
Channel* channelPtr = sc.GetFirstChannel(iterator);
while (channelPtr != NULL)
{
if (channelPtr->Sending() && !channelPtr->InputIsOnHold())
{
channelPtr->EncodeAndSend();
}
channelPtr = sc.GetNextChannel(iterator);
}
return 0;
}
WebRtc_UWord32 TransmitMixer::CaptureLevel() const
{
return _captureLevel;
}
void
TransmitMixer::UpdateMuteMicrophoneTime(const WebRtc_UWord32 lengthMs)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::UpdateMuteMicrophoneTime(lengthMs=%d)",
lengthMs);
_remainingMuteMicTimeMs = lengthMs;
}
WebRtc_Word32
TransmitMixer::StopSend()
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::StopSend()");
_audioLevel.Clear();
return 0;
}
int TransmitMixer::StartPlayingFileAsMicrophone(const char* fileName,
const bool loop,
const FileFormats format,
const int startPosition,
const float volumeScaling,
const int stopPosition,
const CodecInst* codecInst)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::StartPlayingFileAsMicrophone("
"fileNameUTF8[]=%s,loop=%d, format=%d, volumeScaling=%5.3f,"
" startPosition=%d, stopPosition=%d)", fileName, loop,
format, volumeScaling, startPosition, stopPosition);
if (_filePlaying)
{
_engineStatisticsPtr->SetLastError(
VE_ALREADY_PLAYING, kTraceWarning,
"StartPlayingFileAsMicrophone() is already playing");
return 0;
}
CriticalSectionScoped cs(_critSect);
// Destroy the old instance
if (_filePlayerPtr)
{
_filePlayerPtr->RegisterModuleFileCallback(NULL);
FilePlayer::DestroyFilePlayer(_filePlayerPtr);
_filePlayerPtr = NULL;
}
// Dynamically create the instance
_filePlayerPtr
= FilePlayer::CreateFilePlayer(_filePlayerId,
(const FileFormats) format);
if (_filePlayerPtr == NULL)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_ARGUMENT, kTraceError,
"StartPlayingFileAsMicrophone() filePlayer format isnot correct");
return -1;
}
const WebRtc_UWord32 notificationTime(0);
if (_filePlayerPtr->StartPlayingFile(
fileName,
loop,
startPosition,
volumeScaling,
notificationTime,
stopPosition,
(const CodecInst*) codecInst) != 0)
{
_engineStatisticsPtr->SetLastError(
VE_BAD_FILE, kTraceError,
"StartPlayingFile() failed to start file playout");
_filePlayerPtr->StopPlayingFile();
FilePlayer::DestroyFilePlayer(_filePlayerPtr);
_filePlayerPtr = NULL;
return -1;
}
_filePlayerPtr->RegisterModuleFileCallback(this);
_filePlaying = true;
return 0;
}
int TransmitMixer::StartPlayingFileAsMicrophone(InStream* stream,
const FileFormats format,
const int startPosition,
const float volumeScaling,
const int stopPosition,
const CodecInst* codecInst)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
"TransmitMixer::StartPlayingFileAsMicrophone(format=%d,"
" volumeScaling=%5.3f, startPosition=%d, stopPosition=%d)",
format, volumeScaling, startPosition, stopPosition);
if (stream == NULL)
{
_engineStatisticsPtr->SetLastError(
VE_BAD_FILE, kTraceError,
"StartPlayingFileAsMicrophone() NULL as input stream");
return -1;
}
if (_filePlaying)
{
_engineStatisticsPtr->SetLastError(
VE_ALREADY_PLAYING, kTraceWarning,
"StartPlayingFileAsMicrophone() is already playing");
return 0;
}
CriticalSectionScoped cs(_critSect);
// Destroy the old instance
if (_filePlayerPtr)
{
_filePlayerPtr->RegisterModuleFileCallback(NULL);
FilePlayer::DestroyFilePlayer(_filePlayerPtr);
_filePlayerPtr = NULL;
}
// Dynamically create the instance
_filePlayerPtr
= FilePlayer::CreateFilePlayer(_filePlayerId,
(const FileFormats) format);
if (_filePlayerPtr == NULL)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_ARGUMENT, kTraceWarning,
"StartPlayingFileAsMicrophone() filePlayer format isnot correct");
return -1;
}
const WebRtc_UWord32 notificationTime(0);
if (_filePlayerPtr->StartPlayingFile(
(InStream&) *stream,
startPosition,
volumeScaling,
notificationTime,
stopPosition,
(const CodecInst*) codecInst) != 0)
{
_engineStatisticsPtr->SetLastError(
VE_BAD_FILE, kTraceError,
"StartPlayingFile() failed to start file playout");
_filePlayerPtr->StopPlayingFile();
FilePlayer::DestroyFilePlayer(_filePlayerPtr);
_filePlayerPtr = NULL;
return -1;
}
_filePlayerPtr->RegisterModuleFileCallback(this);
_filePlaying = true;
return 0;
}
int TransmitMixer::StopPlayingFileAsMicrophone()
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,-1),
"TransmitMixer::StopPlayingFileAsMicrophone()");
if (!_filePlaying)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_OPERATION, kTraceWarning,
"StopPlayingFileAsMicrophone() isnot playing");
return 0;
}
CriticalSectionScoped cs(_critSect);
if (_filePlayerPtr->StopPlayingFile() != 0)
{
_engineStatisticsPtr->SetLastError(
VE_CANNOT_STOP_PLAYOUT, kTraceError,
"StopPlayingFile() couldnot stop playing file");
return -1;
}
_filePlayerPtr->RegisterModuleFileCallback(NULL);
FilePlayer::DestroyFilePlayer(_filePlayerPtr);
_filePlayerPtr = NULL;
_filePlaying = false;
return 0;
}
int TransmitMixer::IsPlayingFileAsMicrophone() const
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::IsPlayingFileAsMicrophone()");
return _filePlaying;
}
int TransmitMixer::ScaleFileAsMicrophonePlayout(const float scale)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::ScaleFileAsMicrophonePlayout(scale=%5.3f)",
scale);
CriticalSectionScoped cs(_critSect);
if (!_filePlaying)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_OPERATION, kTraceError,
"ScaleFileAsMicrophonePlayout() isnot playing file");
return -1;
}
if ((_filePlayerPtr == NULL) ||
(_filePlayerPtr->SetAudioScaling(scale) != 0))
{
_engineStatisticsPtr->SetLastError(
VE_BAD_ARGUMENT, kTraceError,
"SetAudioScaling() failed to scale playout");
return -1;
}
return 0;
}
int TransmitMixer::StartRecordingMicrophone(const WebRtc_Word8* fileName,
const CodecInst* codecInst)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::StartRecordingMicrophone(fileName=%s)",
fileName);
if (_fileRecording)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"StartRecordingMicrophone() is already recording");
return 0;
}
FileFormats format;
const WebRtc_UWord32 notificationTime(0); // Not supported in VoE
CodecInst dummyCodec = { 100, "L16", 16000, 320, 1, 320000 };
if (codecInst != NULL &&
(codecInst->channels < 0 || codecInst->channels > 2))
{
_engineStatisticsPtr->SetLastError(
VE_BAD_ARGUMENT, kTraceError,
"StartRecordingMicrophone() invalid compression");
return (-1);
}
if (codecInst == NULL)
{
format = kFileFormatPcm16kHzFile;
codecInst = &dummyCodec;
} else if ((STR_CASE_CMP(codecInst->plname,"L16") == 0) ||
(STR_CASE_CMP(codecInst->plname,"PCMU") == 0) ||
(STR_CASE_CMP(codecInst->plname,"PCMA") == 0))
{
format = kFileFormatWavFile;
} else
{
format = kFileFormatCompressedFile;
}
CriticalSectionScoped cs(_critSect);
// Destroy the old instance
if (_fileRecorderPtr)
{
_fileRecorderPtr->RegisterModuleFileCallback(NULL);
FileRecorder::DestroyFileRecorder(_fileRecorderPtr);
_fileRecorderPtr = NULL;
}
_fileRecorderPtr =
FileRecorder::CreateFileRecorder(_fileRecorderId,
(const FileFormats) format);
if (_fileRecorderPtr == NULL)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_ARGUMENT, kTraceError,
"StartRecordingMicrophone() fileRecorder format isnot correct");
return -1;
}
if (_fileRecorderPtr->StartRecordingAudioFile(
fileName,
(const CodecInst&) *codecInst,
notificationTime) != 0)
{
_engineStatisticsPtr->SetLastError(
VE_BAD_FILE, kTraceError,
"StartRecordingAudioFile() failed to start file recording");
_fileRecorderPtr->StopRecording();
FileRecorder::DestroyFileRecorder(_fileRecorderPtr);
_fileRecorderPtr = NULL;
return -1;
}
_fileRecorderPtr->RegisterModuleFileCallback(this);
_fileRecording = true;
return 0;
}
int TransmitMixer::StartRecordingMicrophone(OutStream* stream,
const CodecInst* codecInst)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::StartRecordingMicrophone()");
if (_fileRecording)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"StartRecordingMicrophone() is already recording");
return 0;
}
FileFormats format;
const WebRtc_UWord32 notificationTime(0); // Not supported in VoE
CodecInst dummyCodec = { 100, "L16", 16000, 320, 1, 320000 };
if (codecInst != NULL && codecInst->channels != 1)
{
_engineStatisticsPtr->SetLastError(
VE_BAD_ARGUMENT, kTraceError,
"StartRecordingMicrophone() invalid compression");
return (-1);
}
if (codecInst == NULL)
{
format = kFileFormatPcm16kHzFile;
codecInst = &dummyCodec;
} else if ((STR_CASE_CMP(codecInst->plname,"L16") == 0) ||
(STR_CASE_CMP(codecInst->plname,"PCMU") == 0) ||
(STR_CASE_CMP(codecInst->plname,"PCMA") == 0))
{
format = kFileFormatWavFile;
} else
{
format = kFileFormatCompressedFile;
}
CriticalSectionScoped cs(_critSect);
// Destroy the old instance
if (_fileRecorderPtr)
{
_fileRecorderPtr->RegisterModuleFileCallback(NULL);
FileRecorder::DestroyFileRecorder(_fileRecorderPtr);
_fileRecorderPtr = NULL;
}
_fileRecorderPtr =
FileRecorder::CreateFileRecorder(_fileRecorderId,
(const FileFormats) format);
if (_fileRecorderPtr == NULL)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_ARGUMENT, kTraceError,
"StartRecordingMicrophone() fileRecorder format isnot correct");
return -1;
}
if (_fileRecorderPtr->StartRecordingAudioFile(*stream,
*codecInst,
notificationTime) != 0)
{
_engineStatisticsPtr->SetLastError(VE_BAD_FILE, kTraceError,
"StartRecordingAudioFile() failed to start file recording");
_fileRecorderPtr->StopRecording();
FileRecorder::DestroyFileRecorder(_fileRecorderPtr);
_fileRecorderPtr = NULL;
return -1;
}
_fileRecorderPtr->RegisterModuleFileCallback(this);
_fileRecording = true;
return 0;
}
int TransmitMixer::StopRecordingMicrophone()
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::StopRecordingMicrophone()");
if (!_fileRecording)
{
WEBRTC_TRACE(kTraceError, kTraceVoice, VoEId(_instanceId, -1),
"StopRecordingMicrophone() isnot recording");
return -1;
}
CriticalSectionScoped cs(_critSect);
if (_fileRecorderPtr->StopRecording() != 0)
{
_engineStatisticsPtr->SetLastError(
VE_STOP_RECORDING_FAILED, kTraceError,
"StopRecording(), could not stop recording");
return -1;
}
_fileRecorderPtr->RegisterModuleFileCallback(NULL);
FileRecorder::DestroyFileRecorder(_fileRecorderPtr);
_fileRecorderPtr = NULL;
_fileRecording = false;
return 0;
}
int TransmitMixer::StartRecordingCall(const WebRtc_Word8* fileName,
const CodecInst* codecInst)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::StartRecordingCall(fileName=%s)", fileName);
if (_fileCallRecording)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"StartRecordingCall() is already recording");
return 0;
}
FileFormats format;
const WebRtc_UWord32 notificationTime(0); // Not supported in VoE
CodecInst dummyCodec = { 100, "L16", 16000, 320, 1, 320000 };
if (codecInst != NULL && codecInst->channels != 1)
{
_engineStatisticsPtr->SetLastError(
VE_BAD_ARGUMENT, kTraceError,
"StartRecordingCall() invalid compression");
return (-1);
}
if (codecInst == NULL)
{
format = kFileFormatPcm16kHzFile;
codecInst = &dummyCodec;
} else if ((STR_CASE_CMP(codecInst->plname,"L16") == 0) ||
(STR_CASE_CMP(codecInst->plname,"PCMU") == 0) ||
(STR_CASE_CMP(codecInst->plname,"PCMA") == 0))
{
format = kFileFormatWavFile;
} else
{
format = kFileFormatCompressedFile;
}
CriticalSectionScoped cs(_critSect);
// Destroy the old instance
if (_fileCallRecorderPtr)
{
_fileCallRecorderPtr->RegisterModuleFileCallback(NULL);
FileRecorder::DestroyFileRecorder(_fileCallRecorderPtr);
_fileCallRecorderPtr = NULL;
}
_fileCallRecorderPtr
= FileRecorder::CreateFileRecorder(_fileCallRecorderId,
(const FileFormats) format);
if (_fileCallRecorderPtr == NULL)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_ARGUMENT, kTraceError,
"StartRecordingCall() fileRecorder format isnot correct");
return -1;
}
if (_fileCallRecorderPtr->StartRecordingAudioFile(
fileName,
(const CodecInst&) *codecInst,
notificationTime) != 0)
{
_engineStatisticsPtr->SetLastError(
VE_BAD_FILE, kTraceError,
"StartRecordingAudioFile() failed to start file recording");
_fileCallRecorderPtr->StopRecording();
FileRecorder::DestroyFileRecorder(_fileCallRecorderPtr);
_fileCallRecorderPtr = NULL;
return -1;
}
_fileCallRecorderPtr->RegisterModuleFileCallback(this);
_fileCallRecording = true;
return 0;
}
int TransmitMixer::StartRecordingCall(OutStream* stream,
const CodecInst* codecInst)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::StartRecordingCall()");
if (_fileCallRecording)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"StartRecordingCall() is already recording");
return 0;
}
FileFormats format;
const WebRtc_UWord32 notificationTime(0); // Not supported in VoE
CodecInst dummyCodec = { 100, "L16", 16000, 320, 1, 320000 };
if (codecInst != NULL && codecInst->channels != 1)
{
_engineStatisticsPtr->SetLastError(
VE_BAD_ARGUMENT, kTraceError,
"StartRecordingCall() invalid compression");
return (-1);
}
if (codecInst == NULL)
{
format = kFileFormatPcm16kHzFile;
codecInst = &dummyCodec;
} else if ((STR_CASE_CMP(codecInst->plname,"L16") == 0) ||
(STR_CASE_CMP(codecInst->plname,"PCMU") == 0) ||
(STR_CASE_CMP(codecInst->plname,"PCMA") == 0))
{
format = kFileFormatWavFile;
} else
{
format = kFileFormatCompressedFile;
}
CriticalSectionScoped cs(_critSect);
// Destroy the old instance
if (_fileCallRecorderPtr)
{
_fileCallRecorderPtr->RegisterModuleFileCallback(NULL);
FileRecorder::DestroyFileRecorder(_fileCallRecorderPtr);
_fileCallRecorderPtr = NULL;
}
_fileCallRecorderPtr =
FileRecorder::CreateFileRecorder(_fileCallRecorderId,
(const FileFormats) format);
if (_fileCallRecorderPtr == NULL)
{
_engineStatisticsPtr->SetLastError(
VE_INVALID_ARGUMENT, kTraceError,
"StartRecordingCall() fileRecorder format isnot correct");
return -1;
}
if (_fileCallRecorderPtr->StartRecordingAudioFile(*stream,
*codecInst,
notificationTime) != 0)
{
_engineStatisticsPtr->SetLastError(VE_BAD_FILE, kTraceError,
"StartRecordingAudioFile() failed to start file recording");
_fileCallRecorderPtr->StopRecording();
FileRecorder::DestroyFileRecorder(_fileCallRecorderPtr);
_fileCallRecorderPtr = NULL;
return -1;
}
_fileCallRecorderPtr->RegisterModuleFileCallback(this);
_fileCallRecording = true;
return 0;
}
int TransmitMixer::StopRecordingCall()
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::StopRecordingCall()");
if (!_fileCallRecording)
{
WEBRTC_TRACE(kTraceError, kTraceVoice, VoEId(_instanceId, -1),
"StopRecordingCall() file isnot recording");
return -1;
}
CriticalSectionScoped cs(_critSect);
if (_fileCallRecorderPtr->StopRecording() != 0)
{
_engineStatisticsPtr->SetLastError(
VE_STOP_RECORDING_FAILED, kTraceError,
"StopRecording(), could not stop recording");
return -1;
}
_fileCallRecorderPtr->RegisterModuleFileCallback(NULL);
FileRecorder::DestroyFileRecorder(_fileCallRecorderPtr);
_fileCallRecorderPtr = NULL;
_fileCallRecording = false;
return 0;
}
void
TransmitMixer::SetMixWithMicStatus(bool mix)
{
_mixFileWithMicrophone = mix;
}
int TransmitMixer::RegisterExternalMediaProcessing(
VoEMediaProcess& proccess_object)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::RegisterExternalMediaProcessing()");
CriticalSectionScoped cs(_callbackCritSect);
_externalMediaCallbackPtr = &proccess_object;
_externalMedia = true;
return 0;
}
int TransmitMixer::DeRegisterExternalMediaProcessing()
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::DeRegisterExternalMediaProcessing()");
CriticalSectionScoped cs(_callbackCritSect);
_externalMedia = false;
_externalMediaCallbackPtr = NULL;
return 0;
}
int
TransmitMixer::SetMute(bool enable)
{
WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::SetMute(enable=%d)", enable);
_mute = enable;
return 0;
}
bool
TransmitMixer::Mute() const
{
return _mute;
}
WebRtc_Word8 TransmitMixer::AudioLevel() const
{
// Speech + file level [0,9]
return _audioLevel.Level();
}
WebRtc_Word16 TransmitMixer::AudioLevelFullRange() const
{
// Speech + file level [0,32767]
return _audioLevel.LevelFullRange();
}
bool TransmitMixer::IsRecordingCall()
{
return _fileCallRecording;
}
bool TransmitMixer::IsRecordingMic()
{
return _fileRecording;
}
WebRtc_Word32
TransmitMixer::GenerateAudioFrame(const WebRtc_Word16 audioSamples[],
const WebRtc_UWord32 nSamples,
const WebRtc_UWord8 nChannels,
const WebRtc_UWord32 samplesPerSec,
const int mixingFrequency)
{
WEBRTC_TRACE(kTraceStream, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::GenerateAudioFrame(nSamples=%u,"
"samplesPerSec=%u, mixingFrequency=%u)",
nSamples, samplesPerSec, mixingFrequency);
ResamplerType resampType = (nChannels == 1) ?
kResamplerSynchronous : kResamplerSynchronousStereo;
if (_audioResampler.ResetIfNeeded(samplesPerSec,
mixingFrequency,
resampType) != 0)
{
WEBRTC_TRACE(kTraceError, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::GenerateAudioFrame() unable to resample");
return -1;
}
if (_audioResampler.Push(
(WebRtc_Word16*) audioSamples,
nSamples * nChannels,
_audioFrame._payloadData,
AudioFrame::kMaxAudioFrameSizeSamples,
(int&) _audioFrame._payloadDataLengthInSamples) == -1)
{
WEBRTC_TRACE(kTraceError, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::GenerateAudioFrame() resampling failed");
return -1;
}
_audioFrame._payloadDataLengthInSamples /= nChannels;
_audioFrame._id = _instanceId;
_audioFrame._timeStamp = -1;
_audioFrame._frequencyInHz = mixingFrequency;
_audioFrame._speechType = AudioFrame::kNormalSpeech;
_audioFrame._vadActivity = AudioFrame::kVadUnknown;
_audioFrame._audioChannel = nChannels;
return 0;
}
WebRtc_Word32 TransmitMixer::RecordAudioToFile(
const WebRtc_UWord32 mixingFrequency)
{
CriticalSectionScoped cs(_critSect);
if (_fileRecorderPtr == NULL)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::RecordAudioToFile() filerecorder doesnot"
"exist");
return -1;
}
if (_fileRecorderPtr->RecordAudioToFile(_audioFrame) != 0)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::RecordAudioToFile() file recording"
"failed");
return -1;
}
return 0;
}
WebRtc_Word32 TransmitMixer::MixOrReplaceAudioWithFile(
const int mixingFrequency)
{
WebRtc_Word16 fileBuffer[320];
WebRtc_UWord32 fileSamples(0);
{
CriticalSectionScoped cs(_critSect);
if (_filePlayerPtr == NULL)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice,
VoEId(_instanceId, -1),
"TransmitMixer::MixOrReplaceAudioWithFile()"
"fileplayer doesnot exist");
return -1;
}
if (_filePlayerPtr->Get10msAudioFromFile(fileBuffer,
fileSamples,
mixingFrequency) == -1)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::MixOrReplaceAudioWithFile() file"
" mixing failed");
return -1;
}
}
if (_mixFileWithMicrophone)
{
Utility::MixWithSat(_audioFrame._payloadData,
fileBuffer,
(WebRtc_UWord16) fileSamples);
assert(_audioFrame._payloadDataLengthInSamples == fileSamples);
} else
{
// replace ACM audio with file
_audioFrame.UpdateFrame(-1,
-1,
fileBuffer,
(WebRtc_UWord16) fileSamples, mixingFrequency,
AudioFrame::kNormalSpeech,
AudioFrame::kVadUnknown,
1);
}
return 0;
}
WebRtc_Word32 TransmitMixer::APMProcessStream(
const WebRtc_UWord16 totalDelayMS,
const WebRtc_Word32 clockDrift,
const WebRtc_UWord16 currentMicLevel)
{
WebRtc_UWord16 captureLevel(currentMicLevel);
// Check if the number of input channels has changed. Retain the number
// of output channels.
if (_audioFrame._audioChannel !=
_audioProcessingModulePtr->num_input_channels())
{
if (_audioProcessingModulePtr->set_num_channels(
_audioFrame._audioChannel,
_audioProcessingModulePtr->num_output_channels()))
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"AudioProcessing::set_num_channels(%d, %d) => error",
_audioFrame._frequencyInHz,
_audioProcessingModulePtr->num_output_channels());
}
}
// If the frequency has changed we need to change APM settings
// Sending side is "master"
if (_audioProcessingModulePtr->sample_rate_hz() !=
_audioFrame._frequencyInHz)
{
if (_audioProcessingModulePtr->set_sample_rate_hz(
_audioFrame._frequencyInHz))
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"AudioProcessing::set_sample_rate_hz(%u) => error",
_audioFrame._frequencyInHz);
}
}
if (_audioProcessingModulePtr->set_stream_delay_ms(totalDelayMS) == -1)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"AudioProcessing::set_stream_delay_ms(%u) => error",
totalDelayMS);
}
if (_audioProcessingModulePtr->gain_control()->set_stream_analog_level(
captureLevel) == -1)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"AudioProcessing::set_stream_analog_level(%u) => error",
captureLevel);
}
if (_audioProcessingModulePtr->echo_cancellation()->
is_drift_compensation_enabled())
{
if (_audioProcessingModulePtr->echo_cancellation()->
set_stream_drift_samples(clockDrift) == -1)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"AudioProcessing::set_stream_drift_samples(%u) => error",
clockDrift);
}
}
if (_audioProcessingModulePtr->ProcessStream(&_audioFrame) == -1)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"AudioProcessing::ProcessStream() => error");
}
captureLevel =
_audioProcessingModulePtr->gain_control()->stream_analog_level();
// Store new capture level (only updated when analog AGC is enabled)
_captureLevel = captureLevel;
// Log notifications
if (_audioProcessingModulePtr->gain_control()->stream_is_saturated())
{
if (_saturationWarning == 1)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::APMProcessStream() pending "
"saturation warning exists");
}
_saturationWarning = 1; // triggers callback from moduleprocess thread
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::APMProcessStream() VE_SATURATION_WARNING "
"message has been posted for callback");
}
return 0;
}
#ifdef WEBRTC_VOICE_ENGINE_TYPING_DETECTION
int TransmitMixer::TypingDetection()
{
// We let the VAD determine if we're using this feature or not.
if (_audioFrame._vadActivity == AudioFrame::kVadUnknown)
{
return (0);
}
int keyPressed = EventWrapper::KeyPressed();
if (keyPressed < 0)
{
return (-1);
}
if (_audioFrame._vadActivity == AudioFrame::kVadActive)
_timeActive++;
else
_timeActive = 0;
if (keyPressed && (_audioFrame._vadActivity == AudioFrame::kVadActive)
&& (_timeActive < 10))
{
_penaltyCounter += 100;
if (_penaltyCounter > 300)
{
if (_typingNoiseWarning == 1)
{
WEBRTC_TRACE(kTraceWarning, kTraceVoice,
VoEId(_instanceId, -1),
"TransmitMixer::TypingDetection() pending "
"noise-saturation warning exists");
}
// triggers callback from the module process thread
_typingNoiseWarning = 1;
WEBRTC_TRACE(kTraceWarning, kTraceVoice, VoEId(_instanceId, -1),
"TransmitMixer::TypingDetection() "
"VE_TYPING_NOISE_WARNING message has been posted for"
"callback");
}
}
if (_penaltyCounter > 0)
_penaltyCounter--;
return (0);
}
#endif
int TransmitMixer::GetMixingFrequency()
{
assert(_mixingFrequency!=0);
return (_mixingFrequency);
}
} // namespace voe
} // namespace webrtc