// inputBuffer and outputBuffer is an array of SAMPLE of count framesPerBuffer
// A sample is one unit of sound.
// The sample rate is the number of sound samples taken per second
// I think one frame is a set of samples equal to the number of channels. I'm not sure though or how that sample is arranged.
static int PACallback( void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
PaTimestamp outTime, void *userData )
{
if (inputBuffer && !mute)
{
// TODO - if the input data is mostly silence, don't send and save the bandwidth.
#ifndef _TEST_LOOPBACK
unsigned i;
for (i=0; i < rakPeer->GetMaximumNumberOfPeers(); i++)
{
rakVoice.SendFrame(rakPeer->GetGUIDFromIndex(i), inputBuffer);
}
#else
rakVoice.SendFrame(UNASSIGNED_SYSTEM_ADDRESS, inputBuffer);
#endif
}
rakVoice.ReceiveFrame(outputBuffer);
return 0;
}
// Prints the current encoder parameters
void PrintParameters(void)
{
printf("\nComplexity=%3d Noise filter=%3s VAD=%3s VBR=%3s\n"
,rakVoice.GetEncoderComplexity()
,(rakVoice.IsNoiseFilterActive()) ? "ON" : "OFF"
,(rakVoice.IsVADActive()) ? "ON" : "OFF"
,(rakVoice.IsVBRActive()) ? "ON" : "OFF");
}
// Keeps a record of the last 20 calls, to give a faster response to traffic change
void LogStats(){
const int numStats = 20;
static myStat data[numStats];
for(int i=0; i<=numStats-2; i++){
data[i] = data[i+1];
}
RakNetStatistics *rss=rakPeer->GetStatistics(rakPeer->GetSystemAddressFromIndex(0));
unsigned int currTime = RakNet::GetTime();
data[numStats-1].time = currTime;
data[numStats-1].bitsSent = rss->totalBitsSent;
data[numStats-1].bitsRec = rss->bitsReceived;
float totalTime = (data[numStats-1].time - data[0].time) / 1000.f ;
unsigned int totalBitsSent = data[numStats-1].bitsSent - data[0].bitsSent;
unsigned int totalBitsRec = data[numStats-1].bitsRec - data[0].bitsRec;
float bpsSent = totalBitsSent/totalTime;
float bpsRec = totalBitsRec/totalTime;
float avgBpsSent = rss->totalBitsSent/((currTime-rss->connectionStartTime)/1000.0f);
float avgBpsRec = rss->bitsReceived/((currTime-rss->connectionStartTime)/1000.0f);
printf("avgKbpsSent=%02.1f avgKbpsRec=%02.1f kbpsSent=%02.1f kbpsRec=%02.1f \r", avgBpsSent/1000, avgBpsRec/1000, bpsSent/1000 , bpsRec/1000, rakVoice.GetBufferedBytesToReturn(UNASSIGNED_SYSTEM_ADDRESS));
//printf("MsgBuf=%6i SndBuf=%10i RcvBuf=%10i \r", rakVoice.GetRakPeerInterface()->GetStatistics(UNASSIGNED_SYSTEM_ADDRESS)->messageSendBuffer[HIGH_PRIORITY], rakVoice.GetBufferedBytesToSend(UNASSIGNED_SYSTEM_ADDRESS), rakVoice.GetBufferedBytesToReturn(UNASSIGNED_SYSTEM_ADDRESS));
}
int main(void)
{
printf("A sample on how to use RakVoice together with DirectSound.\n");
printf("You need a microphone for this sample.\n");
printf("RakVoice relies on Speex for voice encoding and decoding.\n");
printf("See DependentExtensions/RakVoice/speex-1.2beta3 for speex projects.\n");
printf("For windows, I had to define HAVE_CONFIG_H, include win32/config.h,\n");
printf("and include the files under libspeex, except those that start with test.\n");
printf("Difficulty: Advanced\n\n");
bool mute=false;
bool quit;
char ch;
char port[256];
rakPeer = RakNetworkFactory::GetRakPeerInterface();
#if defined(INTERACTIVE)
printf("Enter local port: ");
gets(port);
if (port[0]==0)
#endif
strcpy(port, "60000");
SocketDescriptor socketDescriptor(atoi(port),0);
rakPeer->Startup(4, 30, &socketDescriptor, 1);
rakPeer->SetMaximumIncomingConnections(4);
rakPeer->AttachPlugin(&rakVoice);
rakVoice.Init(SAMPLE_RATE, FRAMES_PER_BUFFER*sizeof(SAMPLE));
// Initialize our connection with DirectSound
if (!DSoundVoiceAdapter::Instance()->SetupAdapter(&rakVoice, GetConsoleHwnd(), DSSCL_EXCLUSIVE))
{
printf("An error occurred while initializing DirectSound.\n");
exit(-1);
}
Packet *p;
quit=false;
#if defined(INTERACTIVE)
printf("(Q)uit. (C)onnect. (D)isconnect. (M)ute. ' ' for stats.\n");
printf("(+/-)encoder complexity. (N)oise filter on/off. (V)AD on/off. (B)vbr on/off.\n");
#else
rakPeer->Connect("1.1.1.1", 60000, 0,0);
#endif
PrintParameters();
while (!quit)
{
#if defined(INTERACTIVE)
if (kbhit())
{
ch=getch();
if (ch=='+'){
// Increase encoder complexity
int v = rakVoice.GetEncoderComplexity();
if (v<10) rakVoice.SetEncoderComplexity(v+1);
PrintParameters();
}
else if (ch=='-'){
// Decrease encoder complexity
int v = rakVoice.GetEncoderComplexity();
if (v>0) rakVoice.SetEncoderComplexity(v-1);
PrintParameters();
}
else if (ch=='n'){
// Turn on/off noise filter
rakVoice.SetNoiseFilter(!rakVoice.IsNoiseFilterActive());
PrintParameters();
}
else if (ch=='v') {
// Turn on/off Voice detection
rakVoice.SetVAD(!rakVoice.IsVADActive());
PrintParameters();
}
else if (ch=='b') {
// Turn on/off VBR
rakVoice.SetVBR(!rakVoice.IsVBRActive());
PrintParameters();
}
else if (ch=='y')
{
quit=true;
}
else if (ch=='c')
{
char ip[256];
printf("\nEnter IP of remote system: ");
gets(ip);
if (ip[0]==0)
strcpy(ip, "127.0.0.1");
printf("\nEnter port of remote system: ");
gets(port);
if (port[0]==0)
strcpy(port, "60000");
rakPeer->Connect(ip, atoi(port), 0,0);
}
else if (ch=='m')
{
mute=!mute;
DSoundVoiceAdapter::Instance()->SetMute(mute);
if (mute)
printf("\nNow muted.\n");
else
printf("\nNo longer muted.\n");
}
else if (ch=='d')
{
rakPeer->Shutdown(100,0);
}
else if (ch==' ')
{
char message[2048];
RakNetStatistics *rss=rakPeer->GetStatistics(rakPeer->GetSystemAddressFromIndex(0));
StatisticsToString(rss, message, 2);
printf("%s", message);
}
else if (ch=='q')
quit=true;
ch=0;
}
#endif
p=rakPeer->Receive();
while (p)
{
if (p->data[0]==ID_CONNECTION_REQUEST_ACCEPTED)
{
printf("\nID_CONNECTION_REQUEST_ACCEPTED from %s\n", p->systemAddress.ToString());
rakVoice.RequestVoiceChannel(p->systemAddress);
}
else if (p->data[0]==ID_RAKVOICE_OPEN_CHANNEL_REQUEST)
{
printf("\nOpen Channel request from %s\n", p->systemAddress.ToString());
}
else if (p->data[0]==ID_RAKVOICE_OPEN_CHANNEL_REPLY)
{
printf("\nGot new channel from %s\n", p->systemAddress.ToString());
}
rakPeer->DeallocatePacket(p);
p=rakPeer->Receive();
}
// Update our connection with DirectSound
DSoundVoiceAdapter::Instance()->Update();
LogStats();
RakSleep(20);
}
// Release any FMOD resources we used, and shutdown FMOD itself
DSoundVoiceAdapter::Instance()->Release();
rakPeer->Shutdown(300);
RakNetworkFactory::DestroyRakPeerInterface(rakPeer);
return 0;
}
int main(void)
{
PortAudioStream *stream;
PaError err;
mute=false;
bool quit;
char ch;
printf("A sample on how to use RakVoice. You need a microphone for this sample.\n");
printf("RakVoice relies on Speex for voice encoding and decoding.\n");
printf("See DependentExtensions/RakVoice/speex-1.1.12 for speex projects.\n");
printf("For windows, I had to define HAVE_CONFIG_H, include win32/config.h,\n");
printf("and include the files under libspeex, except those that start with test.\n");
printf("PortAudio is also included and is used to read and write audio data. You\n");
printf("can substitute whatever you want if you do not want to use portaudio.\n");
printf("Difficulty: Advanced\n\n");
// Since voice is peer to peer, we give the option to use the nat punchthrough client if desired.
NatPunchthroughClient natPunchthroughClient;
char port[256];
rakPeer = RakNetworkFactory::GetRakPeerInterface();
printf("Enter local port (enter for default): ");
gets(port);
if (port[0]==0)
strcpy(port, "60000");
SocketDescriptor socketDescriptor(atoi(port),0);
rakPeer->Startup(4, 30, &socketDescriptor, 1);
rakPeer->SetMaximumIncomingConnections(4);
rakPeer->AttachPlugin(&rakVoice);
rakPeer->AttachPlugin(&natPunchthroughClient);
rakVoice.Init(SAMPLE_RATE, FRAMES_PER_BUFFER*sizeof(SAMPLE));
err = Pa_Initialize();
if( err != paNoError ) goto error;
err = Pa_OpenStream(
&stream,
Pa_GetDefaultInputDeviceID(),
1, // Num channels, whatever that means
PA_SAMPLE_TYPE,
NULL,
Pa_GetDefaultOutputDeviceID(),
1, // Num channels
PA_SAMPLE_TYPE,
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER, /* frames per buffer */
0, /* number of buffers, if zero then use default minimum */
0, /* paDitherOff, // flags */
PACallback,
0 );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
printf("Support NAT punchthrough? (y/n)? ");
bool useNatPunchthrough;
useNatPunchthrough=(getche()=='y');
printf("\n");
char facilitatorIP[256];
{//Linux fix. Won't compile without it. Because of the goto error above, the scope is ambigious. Make it a block to define that it will not be used after the jump.
//Doesn't change current logic
SystemAddress facilitator;
if (useNatPunchthrough)
{
printf("My GUID is %s\n", rakPeer->GetGuidFromSystemAddress(UNASSIGNED_SYSTEM_ADDRESS).ToString());
printf("Enter IP of facilitator (enter for default): ");
gets(facilitatorIP);
if (facilitatorIP[0]==0)
strcpy(facilitatorIP, "94.198.81.195");
facilitator.SetBinaryAddress(facilitatorIP);
facilitator.port=NAT_PUNCHTHROUGH_FACILITATOR_PORT;
rakPeer->Connect(facilitatorIP, NAT_PUNCHTHROUGH_FACILITATOR_PORT, 0, 0);
printf("Connecting to facilitator...\n");
}
else
{
printf("Not supporting NAT punchthrough.\n");
}
Packet *p;
quit=false;
if (useNatPunchthrough==false)
printf("(Q)uit. (C)onnect. (D)isconnect. C(l)ose voice channels. (M)ute. ' ' for stats.\n");
while (!quit)
{
if (kbhit())
{
ch=getch();
if (ch=='y')
{
quit=true;
}
else if (ch=='c')
{
if (useNatPunchthrough)
{
RakNetGUID destination;
printf("Enter GUID of destination: ");
char guidStr[256];
while (1)
{
gets(guidStr);
if (!destination.FromString(guidStr))
printf("Invalid GUID format. Try again.\nEnter GUID of destination: ");
else
break;
}
printf("Starting NAT punch. Please wait...\n");
natPunchthroughClient.OpenNAT(destination,facilitator);
}
else
{
char ip[256];
printf("Enter IP of remote system: ");
gets(ip);
if (ip[0]==0)
strcpy(ip, "127.0.0.1");
printf("Enter port of remote system: ");
gets(port);
if (port[0]==0)
strcpy(port, "60000");
rakPeer->Connect(ip, atoi(port), 0,0);
}
}
else if (ch=='m')
{
mute=!mute;
if (mute)
printf("Now muted.\n");
else
printf("No longer muted.\n");
}
else if (ch=='d')
{
rakPeer->Shutdown(100,0);
}
else if (ch=='l')
{
rakVoice.CloseAllChannels();
}
else if (ch==' ')
{
char message[2048];
RakNetStatistics *rss=rakPeer->GetStatistics(rakPeer->GetSystemAddressFromIndex(0));
StatisticsToString(rss, message, 2);
printf("%s", message);
}
else if (ch=='q')
quit=true;
ch=0;
}
p=rakPeer->Receive();
while (p)
{
if (p->data[0]==ID_CONNECTION_REQUEST_ACCEPTED)
{
if (p->systemAddress==facilitator)
{
printf("Connection to facilitator completed\n");
printf("(Q)uit. (C)onnect. (D)isconnect. (M)ute. ' ' for stats.\n");
}
else
{
printf("ID_CONNECTION_REQUEST_ACCEPTED from %s\n", p->systemAddress.ToString());
rakVoice.RequestVoiceChannel(p->guid);
}
}
else if (p->data[0]==ID_CONNECTION_ATTEMPT_FAILED)
{
if (p->systemAddress==facilitator)
{
printf("Connection to facilitator failed. Using direct connections\n");
useNatPunchthrough=false;
printf("(Q)uit. (C)onnect. (D)isconnect. (M)ute. ' ' for stats.\n");
}
else
{
printf("ID_CONNECTION_ATTEMPT_FAILED\n");
}
}
else if (p->data[0]==ID_RAKVOICE_OPEN_CHANNEL_REQUEST || p->data[0]==ID_RAKVOICE_OPEN_CHANNEL_REPLY)
{
printf("Got new channel from %s\n", p->systemAddress.ToString());
}
else if (p->data[0]==ID_NAT_TARGET_NOT_CONNECTED)
{
RakNetGUID g;
RakNet::BitStream b(p->data, p->length, false);
b.IgnoreBits(8); // Ignore the ID_...
b.Read(g);
printf("ID_NAT_TARGET_NOT_CONNECTED for %s\n", g.ToString());
}
else if (p->data[0]==ID_NAT_TARGET_UNRESPONSIVE)
{
RakNetGUID g;
RakNet::BitStream b(p->data, p->length, false);
b.IgnoreBits(8); // Ignore the ID_...
b.Read(g);
printf("ID_NAT_TARGET_UNRESPONSIVE for %s\n", g.ToString());
}
else if (p->data[0]==ID_NAT_CONNECTION_TO_TARGET_LOST)
{
RakNetGUID g;
RakNet::BitStream b(p->data, p->length, false);
b.IgnoreBits(8); // Ignore the ID_...
b.Read(g);
printf("ID_NAT_CONNECTION_TO_TARGET_LOST for %s\n", g.ToString());
}
else if (p->data[0]==ID_NAT_ALREADY_IN_PROGRESS)
{
RakNetGUID g;
RakNet::BitStream b(p->data, p->length, false);
b.IgnoreBits(8); // Ignore the ID_...
b.Read(g);
printf("ID_NAT_ALREADY_IN_PROGRESS for %s\n", g.ToString());
}
else if (p->data[0]==ID_NAT_PUNCHTHROUGH_FAILED)
{
printf("ID_NAT_PUNCHTHROUGH_FAILED for %s\n", p->guid.ToString());
}
else if (p->data[0]==ID_NAT_PUNCHTHROUGH_SUCCEEDED)
{
printf("ID_NAT_PUNCHTHROUGH_SUCCEEDED for %s. Connecting...\n", p->guid.ToString());
rakPeer->Connect(p->systemAddress.ToString(false),p->systemAddress.port,0,0);
}
else if (p->data[0]==ID_ALREADY_CONNECTED)
{
printf("ID_ALREADY_CONNECTED\n");
}
else if (p->data[0]==ID_RAKVOICE_CLOSE_CHANNEL)
{
printf("ID_RAKVOICE_CLOSE_CHANNEL\n");
}
else if (p->data[0]==ID_DISCONNECTION_NOTIFICATION)
{
printf("ID_DISCONNECTION_NOTIFICATION\n");
}
else if (p->data[0]==ID_NEW_INCOMING_CONNECTION)
{
printf("ID_NEW_INCOMING_CONNECTION\n");
}
else
{
printf("Unknown packet ID %i\n", p->data[0]);
}
rakPeer->DeallocatePacket(p);
p=rakPeer->Receive();
}
Pa_Sleep( 30 );
}
}
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
Pa_Terminate();
rakPeer->Shutdown(300);
RakNetworkFactory::DestroyRakPeerInterface(rakPeer);
return 0;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );
fprintf( stderr, "Error number: %d\n", err );
fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
return -1;
}
void* rakVoiceThread( void* arguments )
#endif
{
SpeexBits bits;
char output[ 2000 ];
int outputLength;
unsigned char typeID;
PlayerID id;
BitStream b;
int availableChunks;
int MTU;
int numberOfChunksPerSend;
int i;
unsigned long lastSendTime;
CoderStateWithPlayerIDMapStruct *cswpims;
lastSendTime = RakNet::GetTime();
PlayerID target;
RakVoice *rakVoice = ( RakVoice* ) arguments;
numberOfChunksPerSend = rakVoice->blockSize / rakVoice->frame_size;
speex_bits_init( &bits );
MTU = rakVoice->peer->GetMTUSize();
while ( rakVoice->init )
{
if ( rakVoice->writeCursor >= rakVoice->readCursor )
availableChunks = rakVoice->writeCursor - rakVoice->readCursor;
else
availableChunks = RAK_VOICE_INPUT_LIST_BUFFER_SIZE - rakVoice->readCursor + rakVoice->writeCursor;
while ( availableChunks >= numberOfChunksPerSend )
{
// Get a bit of a buffer before we start sending so we don't "grind" the data and get popping as data continually arrives and runs out
if ( RakNet::GetTime() - lastSendTime > 1000 && availableChunks < numberOfChunksPerSend * 3 )
break;
// Grab data at the read cursor and encode it
speex_bits_reset( &bits );
target = rakVoice->targetedSendRecipient[ rakVoice->readCursor ];
cswpims = rakVoice->GetCoderFromPlayerID( rakVoice->sampleRate, target, false );
for ( i = 0; i < numberOfChunksPerSend; i++ )
{
// For each frame, call speex_encode
speex_encode( cswpims->encoderState, rakVoice->inputList[ rakVoice->readCursor ], &bits );
rakVoice->readCursor = ( rakVoice->readCursor + 1 ) % RAK_VOICE_INPUT_LIST_BUFFER_SIZE;
}
availableChunks -= numberOfChunksPerSend;
// Write the encoded bitstream
outputLength = speex_bits_write( ( SpeexBits* ) ( &bits ), output, 2000 );
#ifdef _DEBUG
static bool printOnce = true;
if ( printOnce == true && outputLength > MTU )
{
printf( "Warning - compressed data larger than MTU! This will result in split packets and poor speech.\nYou should use a lower blockSize in the call to Init.\n" );
printOnce = false;
}
else if ( printOnce == true && outputLength < MTU / 4 )
{
printf( "Warning - compressed data smaller than 1/4 the MTU. This is not an efficient use of bandwidth.\nYou might want to use a larger blockSize in the call to Init.\n" );
printOnce = false;
}
#endif
b.Reset();
typeID = ID_VOICE_PACKET;
b.Write( typeID );
b.Write( ( char* ) & target, sizeof( target ) );
b.Write( rakVoice->bps ); // Write how many bits we are encoding the data with
b.Write( rakVoice->sampleRate ); // Write the sampling rate
id = rakVoice->peer->GetInternalID();
b.Write( ( char* ) & id, sizeof( id ) ); // Write who is sending this packet
b.Write( cswpims->nextPacketNumber ); // Write what speech packet number this is, so we can compensate for lost packets
cswpims->nextPacketNumber++;
b.Write( output, outputLength );
/*
// This is for showing memory usage
printf("PCMQueue=%i PCMQueuePool=%i\ndecoderStateList=%i encoderStateList=%i\n",
rakVoice->PCMQueue.size(),
rakVoice->PCMQueuePool.size(),
rakVoice->decoderStateList.size(),
rakVoice->encoderStateList.size());
*/
// THis was for testing as a feedback loop
//if (target==rakVoice->peer->GetInternalID())
// rakVoice->DecodeAndQueueSoundPacket((char*)b.GetData(), b.GetNumberOfBytesUsed());
//else
rakVoice->peer->Send( &b, HIGH_PRIORITY, RELIABLE_SEQUENCED, 0, target, false );
lastSendTime = RakNet::GetTime();
}
// Send out a packet aggreggate roughly every x ms
#ifdef _WIN32
Sleep( 30 );
#else
usleep( 30 * 1000 );
#endif
}
speex_bits_destroy( &bits );
return 0;
}