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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#include "hsTypes.h"
#include "hsWindows.h"
#include "hsTimer.h"
#include "hsResMgr.h"
#include <al.h>
#include <alc.h>
#include "plDSoundBuffer.h"
#include <speex/speex.h>
#include <speex/speex_bits.h>
#include "hsGeometry3.h"
#include "plVoiceChat.h"
#include "plAudioSystem.h"
#include "plgDispatch.h"
#include "plAudible/plWinAudible.h"
#include "plNetMessage/plNetMessage.h"
#include "plPipeline/plPlates.h"
#include "hsConfig.h"
#include "plAvatar/plAvatarMgr.h"
#include "plAvatar/plArmatureMod.h"
#include "hsQuat.h"
#include "plAudioCore/plAudioCore.h"
// DEBUG for printing to the console
#include "plMessage/plConsoleMsg.h"
#include "plPipeline/plDebugText.h"
#include "plStatusLog/plStatusLog.h"
#define MICROPHONE 121
#define TALKING 122
#define NUM_CHANNELS 1
#define VOICE_STOP_MS 2000
#define MAX_DATA_SIZE 1024 * 4 // 4 KB
hsBool plVoiceRecorder::fCompress = true;
hsBool plVoiceRecorder::fRecording = true;
hsBool plVoiceRecorder::fNetVoice = false;
short plVoiceRecorder::fSampleRate = FREQUENCY;
hsScalar plVoiceRecorder::fRecordThreshhold = 200.0f;
hsBool plVoiceRecorder::fShowIcons = true;
hsBool plVoiceRecorder::fMicAlwaysOpen = false;
hsBool plVoicePlayer::fEnabled = true;
plVoiceRecorder::plVoiceRecorder()
{
plPlateManager::Instance().CreatePlate( &fDisabledIcon );
fDisabledIcon->CreateFromResource( MAKEINTRESOURCE( MICROPHONE ) );
fDisabledIcon->SetPosition(-0.90, -0.90);
fDisabledIcon->SetSize(0.0675, 0.09);
fDisabledIcon->SetVisible(false);
plPlateManager::Instance().CreatePlate( &fTalkIcon );
fTalkIcon->CreateFromResource( MAKEINTRESOURCE( TALKING ) );
fTalkIcon->SetPosition(-0.9,-0.9);
fTalkIcon->SetSize(0.0675, 0.09);
fTalkIcon->SetVisible(false);
}
plVoiceRecorder::~plVoiceRecorder()
{
if(fDisabledIcon)
plPlateManager::Instance().DestroyPlate( fDisabledIcon);
fDisabledIcon = nil;
if (fTalkIcon)
plPlateManager::Instance().DestroyPlate( fTalkIcon );
fTalkIcon = nil;
}
void plVoiceRecorder::IncreaseRecordingThreshhold()
{
fRecordThreshhold += (100 * hsTimer::GetDelSysSeconds());
if (fRecordThreshhold >= 10000.0f)
fRecordThreshhold = 10000.0f;
plDebugText &txt = plDebugText::Instance();
char str[256];
sprintf(str, "RecordThreshhold %f\n", fRecordThreshhold);
txt.DrawString(400,300,str);
}
void plVoiceRecorder::DecreaseRecordingThreshhold()
{
fRecordThreshhold -= (100 * hsTimer::GetDelSysSeconds());
if (fRecordThreshhold <= 50.0f)
fRecordThreshhold = 50.0f;
plDebugText &txt = plDebugText::Instance();
char str[256];
sprintf(str, "RecordThreshhold %f\n", fRecordThreshhold);
txt.DrawString(400,300,str);
}
// Set the quality of speex encoder
void plVoiceRecorder::SetQuality(int quality)
{
char str[] = "Voice quality setting out of range. Must be between 1 and 10 inclusive";
if(quality < 1 || quality > 10)
{
plConsoleMsg *cMsg = TRACKED_NEW plConsoleMsg( plConsoleMsg::kAddLine, str );
plgDispatch::MsgSend( cMsg );
return;
}
if(plSpeex::GetInstance()->IsUsingVBR())
{
// Sets average bit rate between 4kb and 13kb
int AverageBitrate = quality * 1000 + 3000;
plSpeex::GetInstance()->SetABR(AverageBitrate);
}
else
{
plSpeex::GetInstance()->SetQuality(quality);
}
}
// toggle variable bit rate
void plVoiceRecorder::SetVBR(bool vbr)
{
plSpeex::GetInstance()->VBR(vbr);
SetQuality(plSpeex::GetInstance()->GetQuality()); // update proper quality param
}
void plVoiceRecorder::SetComplexity(int c)
{
char str[] = "Voice quality setting out of range. Must be between 1 and 10 inclusive";
if(c < 1 || c > 10)
{
plConsoleMsg *cMsg = TRACKED_NEW plConsoleMsg( plConsoleMsg::kAddLine, str );
plgDispatch::MsgSend( cMsg );
return;
}
plSpeex::GetInstance()->SetComplexity((UInt8) c);
}
void plVoiceRecorder::SetENH(hsBool b)
{
plSpeex::GetInstance()->SetENH(b);
}
void plVoiceRecorder::SetMikeOpen(hsBool b)
{
ALCdevice *device = plgAudioSys::GetCaptureDevice();
if (fRecording && device)
{
if (b)
{
alcCaptureStart(device);
}
else
{
alcCaptureStop(device);
}
DrawTalkIcon(b);
fMikeOpen = b;
}
else
{
DrawDisabledIcon(b); // voice recording is unavailable or disabled
}
}
void plVoiceRecorder::DrawDisabledIcon(hsBool b)
{
if (!fDisabledIcon)
{
// at least try and make one here...
plPlateManager::Instance().CreatePlate( &fDisabledIcon );
if (fDisabledIcon)
{
fDisabledIcon->CreateFromResource( MAKEINTRESOURCE( MICROPHONE ) );
fDisabledIcon->SetPosition(-0.90, -0.90);
fDisabledIcon->SetSize(0.0675, 0.09);
fDisabledIcon->SetVisible(false);
}
}
if (fDisabledIcon)
fDisabledIcon->SetVisible(b);
}
void plVoiceRecorder::DrawTalkIcon(hsBool b)
{
if (!fTalkIcon)
{
plPlateManager::Instance().CreatePlate( &fTalkIcon );
if (fTalkIcon)
{ fTalkIcon->CreateFromResource( MAKEINTRESOURCE( TALKING ) );
fTalkIcon->SetPosition(-0.9,-0.9);
fTalkIcon->SetSize(0.0675, 0.09);
fTalkIcon->SetVisible(false);
}
}
if (fTalkIcon)
{
fTalkIcon->SetVisible(b);
}
}
void plVoiceRecorder::Update(double time)
{
if(!fRecording)
return;
int EncoderFrameSize = plSpeex::GetInstance()->GetFrameSize();
if(EncoderFrameSize == -1)
return;
ALCdevice *captureDevice = plgAudioSys::GetCaptureDevice();
if(!captureDevice)
return;
unsigned minSamples = EncoderFrameSize * 10;
ALCint samples;
alcGetIntegerv(captureDevice, ALC_CAPTURE_SAMPLES, sizeof(samples), &samples );
if (samples > 0)
{
if (samples >= minSamples)
{
int numFrames = (int)(samples / EncoderFrameSize); // the number of frames that have been captured
int totalSamples = numFrames * EncoderFrameSize;
// cap uncompressed data
if(totalSamples > MAX_DATA_SIZE)
totalSamples = MAX_DATA_SIZE;
// convert to correct units:
short *buffer = TRACKED_NEW short[totalSamples];
alcCaptureSamples(captureDevice, buffer, totalSamples);
if (!CompressionEnabled())
{
plNetMsgVoice pMsg;
pMsg.SetNetProtocol(kNetProtocolCli2Game);
pMsg.SetVoiceData((char *)buffer, totalSamples * sizeof(short));
// set frame size here;
pMsg.SetPlayerID(plNetClientApp::GetInstance()->GetPlayerID());
//if (false) //plNetClientApp::GetInstance()->GetFlagsBit(plNetClientApp::kEchoVoice))
// pMsg.SetBit(plNetMessage::kEchoBackToSender);
plNetClientApp::GetInstance()->SendMsg(&pMsg);
}
else // use the speex voice compression lib
{
UInt8 *packet = TRACKED_NEW UInt8[totalSamples]; // packet to send encoded data in
int packedLength = 0; // the size of the packet that will be sent
hsRAMStream ram; // ram stream to hold output data from speex
UInt8 numFrames = totalSamples / EncoderFrameSize; // number of frames to be encoded
// encode the data using speex
plSpeex::GetInstance()->Encode(buffer, numFrames, &packedLength, &ram);
if (packedLength)
{
// extract data from ram stream into packet
ram.Rewind();
ram.Read(packedLength, packet);
plNetMsgVoice pMsg;
pMsg.SetNetProtocol(kNetProtocolCli2Game);
pMsg.SetVoiceData((char *)packet, packedLength);
pMsg.SetPlayerID(plNetClientApp::GetInstance()->GetPlayerID());
pMsg.SetFlag(VOICE_ENCODED); // Set encoded flag
pMsg.SetNumFrames(numFrames);
if (plNetClientApp::GetInstance()->GetFlagsBit(plNetClientApp::kEchoVoice))
pMsg.SetBit(plNetMessage::kEchoBackToSender);
plNetClientApp::GetInstance()->SendMsg(&pMsg);
}
delete[] packet;
}
delete[] buffer;
}
else if(!fMikeOpen)
{
short *buffer = TRACKED_NEW short[samples];
// the mike has since closed, and there isn't enough data to meet our minimum, so throw this data out
alcCaptureSamples(captureDevice, buffer, samples);
delete[] buffer;
}
}
}
plVoicePlayer::plVoicePlayer()
{
}
plVoicePlayer::~plVoicePlayer()
{
}
void plVoicePlayer::PlaybackUncompressedVoiceMessage(void* data, unsigned size)
{
if(fEnabled)
{
if(!fSound.IsPlaying())
{
fSound.Play();
}
fSound.AddVoiceData(data, size);
}
}
void plVoicePlayer::PlaybackVoiceMessage(void* data, unsigned size, int numFramesInBuffer)
{
if(fEnabled)
{
int numBytes; // the number of bytes that speex decompressed the data to.
int bufferSize = numFramesInBuffer * plSpeex::GetInstance()->GetFrameSize();
short *nBuff = TRACKED_NEW short[bufferSize];
memset(nBuff, 0, bufferSize);
// Decode the encoded voice data using speex
if(!plSpeex::GetInstance()->Decode((UInt8 *)data, size, numFramesInBuffer, &numBytes, nBuff))
{
delete[] nBuff;
return;
}
BYTE* newBuff;
newBuff = (BYTE*)nBuff; // Convert to byte data
PlaybackUncompressedVoiceMessage(newBuff, numBytes); // playback uncompressed data
delete[] nBuff;
}
}
void plVoicePlayer::SetVelocity(const hsVector3 vel)
{
fSound.SetVelocity(vel);
}
void plVoicePlayer::SetPosition(const hsPoint3 pos)
{
fSound.SetPosition(pos);
}
void plVoicePlayer::SetOrientation(const hsPoint3 pos)
{
fSound.SetConeOrientation(pos.fX, pos.fY, pos.fZ);
}
/*****************************************************************************
*
* plVoiceSound
*
***/
unsigned plVoiceSound::fCount = 0;
plVoiceSound::plVoiceSound()
{
fInnerCone = 90;
fOuterCone = 240;
fOuterVol = -2000;
fMinFalloff = 15;
fMaxFalloff = 75;
fProperties = 0;
fCurrVolume = 1.0;
fDesiredVol = 1.0;
fPriority = 1;
fType = plgAudioSys::kVoice;
fEAXSettings.SetRoomParams(-1200, -100, 0, 0);
fLastUpdate = 0;
char keyName[32];
StrPrintf(keyName, arrsize(keyName), "VoiceSound_%d", fCount);
fCount++;
hsgResMgr::ResMgr()->NewKey(keyName, this, plLocation::kGlobalFixedLoc);
}
plVoiceSound::~plVoiceSound()
{
}
hsBool plVoiceSound::LoadSound( hsBool is3D )
{
if( fFailed )
return false;
if( !plgAudioSys::Active() || fDSoundBuffer )
return false;
if( fPriority > plgAudioSys::GetPriorityCutoff() )
return false; // Don't set the failed flag, just return
plWAVHeader header;
header.fFormatTag = WAVE_FORMAT_PCM;
header.fBitsPerSample = 16;
header.fNumChannels = 1;
header.fNumSamplesPerSec = FREQUENCY;
header.fBlockAlign = header.fNumChannels * header.fBitsPerSample / 2;
header.fAvgBytesPerSec = header.fNumSamplesPerSec * header.fBlockAlign;
fDSoundBuffer = TRACKED_NEW plDSoundBuffer(0, header, true, false, false, true);
if(!fDSoundBuffer)
return false;
fDSoundBuffer->SetupVoiceSource();
IRefreshParams();
IRefreshEAXSettings( true );
fDSoundBuffer->SetScalarVolume(1.0);
return true;
}
void plVoiceSound::Play()
{
fPlaying = true;
if( IWillBeAbleToPlay() )
{
IRefreshParams();
SetVolume( fDesiredVol );
IActuallyPlay();
}
}
void plVoiceSound::IDerivedActuallyPlay( void )
{
if( !fReallyPlaying )
{
fDSoundBuffer->Play();
fReallyPlaying = true;
}
}
void plVoiceSound::AddVoiceData(void *data, unsigned bytes)
{
unsigned size;
unsigned bufferId;
if(!fDSoundBuffer)
{
if(!LoadSound(true))
{
return;
}
}
fDSoundBuffer->UnQueueVoiceBuffers(); // attempt to unque any buffers that have finished
while(bytes > 0)
{
size = bytes < STREAM_BUFFER_SIZE ? bytes : STREAM_BUFFER_SIZE;
if(!fDSoundBuffer->GetAvailableBufferId(&bufferId))
break; // if there isn't any room for the data, it is currently thrown out
fDSoundBuffer->VoiceFillBuffer(data, size, bufferId);
bytes -= size;
}
fLastUpdate = hsTimer::GetMilliSeconds();
}
void plVoiceSound::Update()
{
if(IsPlaying())
{
if((hsTimer::GetMilliSeconds() - fLastUpdate) > VOICE_STOP_MS)
{
Stop(); // terminating case for playback. Wait for x number of milliseconds, and stop.
}
}
}
void plVoiceSound::IRefreshParams()
{
plSound::IRefreshParams();
}
/*****************************************************************************
*
* Speex Voice Encoding/Decoding
*
***/
plSpeex::plSpeex() :
fBits(nil),
fEncoderState(nil),
fDecoderState(nil),
fSampleRate(plVoiceRecorder::GetSampleRate()),
fFrameSize(-1),
fQuality(7),
fVBR(true), // variable bit rate on
fAverageBitrate(8000), // 8kb bitrate
fComplexity(3),
fENH(false),
fInitialized(false)
{
fBits = TRACKED_NEW SpeexBits;
Init(kNarrowband); // if no one initialized us initialize using a narrowband encoder
}
plSpeex::~plSpeex()
{
Shutdown();
delete fBits;
fBits = nil;
}
hsBool plSpeex::Init(Mode mode)
{
int enh = 1;
// setup speex
speex_bits_init(fBits);
fBitsInit = true;
if(mode == kNarrowband)
{
fEncoderState = speex_encoder_init(&speex_nb_mode); // narrowband
fDecoderState = speex_decoder_init(&speex_nb_mode);
}
else if(mode == kWideband)
{
fEncoderState = speex_encoder_init(&speex_wb_mode);
fDecoderState = speex_decoder_init(&speex_wb_mode);
}
speex_encoder_ctl(fEncoderState, SPEEX_GET_FRAME_SIZE, &fFrameSize); // get frame size
speex_encoder_ctl(fEncoderState, SPEEX_SET_COMPLEXITY, &fComplexity); // 3
speex_encoder_ctl(fEncoderState, SPEEX_SET_SAMPLING_RATE, &fSampleRate); // 8 khz
speex_encoder_ctl(fEncoderState, SPEEX_SET_VBR_QUALITY, &fQuality); // 7
speex_encoder_ctl(fEncoderState, SPEEX_SET_VBR, &fVBR); // use variable bit rate
speex_encoder_ctl(fEncoderState, SPEEX_SET_ABR, &fAverageBitrate); // default to 8kb
speex_decoder_ctl(fDecoderState, SPEEX_SET_ENH, &fENH); // perceptual enhancement
fInitialized = true;
return true;
}
hsBool plSpeex::Shutdown()
{
//shutdown speex
if(fDecoderState)
{
speex_decoder_destroy(fDecoderState);
fDecoderState = nil;
}
if(fEncoderState)
{
speex_encoder_destroy(fEncoderState);
fEncoderState = nil;
}
if(fBitsInit)
{
speex_bits_destroy(fBits);
fBitsInit = false;
}
fInitialized = false;
return true;
}
hsBool plSpeex::Encode(short *data, int numFrames, int *packedLength, hsRAMStream *out)
{
*packedLength = 0;
short *pData = data; // pointer to input data
float *input = TRACKED_NEW float[fFrameSize]; // input to speex - used as am intermediate array since speex requires float data
BYTE frameLength; // number of bytes speex compressed frame to
BYTE *frameData = TRACKED_NEW BYTE[fFrameSize]; // holds one frame of encoded data
// encode data
for( int i = 0; i < numFrames; i++ )
{
// convert input data to floats
for( int j = 0; j < fFrameSize; j++ )
{
input[j] = pData[j];
}
speex_bits_reset(fBits); // reset bit structure
// encode data using speex
speex_encode(fEncoderState, input, fBits);
frameLength = speex_bits_write(fBits, (char *)frameData, fFrameSize);
// write data - length and bytes
out->WriteSwap(frameLength);
*packedLength += sizeof(frameLength); // add length of encoded frame
out->Write(frameLength, frameData);
*packedLength += frameLength; // update length
pData += fFrameSize; // move input pointer
}
delete[] frameData;
delete[] input;
return true;
}
hsBool plSpeex::Decode(UInt8 *data, int size, int numFrames, int *numOutputBytes, short *out)
{
if(!fInitialized) return false;
*numOutputBytes = 0;
hsReadOnlyStream stream( size, data );
float *speexOutput = TRACKED_NEW float[fFrameSize]; // holds output from speex
short *pOut = out; // pointer to output short buffer
// create buffer for input data
BYTE *frameData = TRACKED_NEW BYTE[fFrameSize]; // holds the current frames data to be decoded
BYTE frameLen; // holds the length of the current frame being decoded.
// Decode data
for (int i = 0; i < numFrames; i++)
{
stream.ReadSwap( &frameLen ); // read the length of the current frame to be decoded
stream.Read( frameLen, frameData ); // read the data
memset(speexOutput, 0, fFrameSize * sizeof(float));
speex_bits_read_from(fBits, (char *)frameData, frameLen); // give data to speex
speex_decode(fDecoderState, fBits, speexOutput); // decode data
for(int j = 0; j < fFrameSize; j++)
{
pOut[j] = (short)(speexOutput[j]); // convert floats to shorts
}
pOut += fFrameSize;
}
delete[] frameData;
delete[] speexOutput;
*numOutputBytes = (numFrames * fFrameSize) * sizeof(short); // length of decoded voice data(out) in bytes
if(*numOutputBytes == 0)
return false;
return true;
}
// Sets variable bit rate on/off
void plSpeex::VBR(hsBool b)
{
fVBR = b;
speex_encoder_ctl(fEncoderState, SPEEX_SET_VBR, &fVBR);
}
// Sets the average bit rate
void plSpeex::SetABR(UInt32 abr)
{
fAverageBitrate = abr;
speex_encoder_ctl(fEncoderState, SPEEX_SET_ABR, &fAverageBitrate);
}
// Sets the quality of encoding
void plSpeex::SetQuality(UInt32 quality)
{
fQuality = quality;
speex_encoder_ctl(fEncoderState, SPEEX_SET_QUALITY, &fQuality);
}
void plSpeex::SetENH(hsBool b)
{
fENH = b;
speex_decoder_ctl(fDecoderState, SPEEX_SET_ENH, &fENH);
}
void plSpeex::SetComplexity(UInt8 c)
{
fComplexity = c;
speex_encoder_ctl(fEncoderState, SPEEX_SET_COMPLEXITY, &fComplexity);
}