int JackNetInterface::MidiSend(NetMidiBuffer* buffer, int midi_channnels, int audio_channels)
{
if (midi_channnels > 0) {
// set global header fields and get the number of midi packets
fTxHeader.fDataType = 'm';
uint data_size = buffer->RenderFromJackPorts();
fTxHeader.fNumPacket = buffer->GetNumPackets(data_size, PACKET_AVAILABLE_SIZE(&fParams));
for (uint subproc = 0; subproc < fTxHeader.fNumPacket; subproc++) {
fTxHeader.fSubCycle = subproc;
fTxHeader.fIsLastPckt = ((subproc == (fTxHeader.fNumPacket - 1)) && audio_channels == 0) ? 1 : 0;
fTxHeader.fPacketSize = HEADER_SIZE + buffer->RenderToNetwork(subproc, data_size);
memcpy(fTxBuffer, &fTxHeader, HEADER_SIZE);
if (Send(fTxHeader.fPacketSize, 0) == SOCKET_ERROR) {
return SOCKET_ERROR;
}
}
}
return 0;
}
// network sync------------------------------------------------------------------------
void JackNetSlaveInterface::EncodeSyncPacket()
{
// This method contains every step of sync packet informations coding
// first of all, clear sync packet
memset(fTxData, 0, PACKET_AVAILABLE_SIZE(&fParams));
// then first step : transport
// Transport is not used for now...
/*
if (fParams.fTransportSync) {
EncodeTransportData();
TransportDataHToN(&fReturnTransportData, &fReturnTransportData);
// copy to TxBuffer
memcpy(fTxData, &fReturnTransportData, sizeof(net_transport_data_t));
}
// then others
// ...
*/
// Write active ports list
fTxHeader.fActivePorts = (fNetAudioCaptureBuffer) ? fNetAudioCaptureBuffer->ActivePortsToNetwork(fTxData) : 0;
}
void JackNetMasterInterface::EncodeSyncPacket(int frames)
{
// This method contains every step of sync packet informations coding
// first of all, clear sync packet
memset(fTxData, 0, PACKET_AVAILABLE_SIZE(&fParams));
// Transport not used for now...
/*
// then, first step : transport
if (fParams.fTransportSync) {
EncodeTransportData();
TransportDataHToN(&fSendTransportData, &fSendTransportData);
// copy to TxBuffer
memcpy(fTxData, &fSendTransportData, sizeof(net_transport_data_t));
}
// then others (freewheel etc.)
// ...
*/
// Write active ports list
fTxHeader.fActivePorts = (fNetAudioPlaybackBuffer) ? fNetAudioPlaybackBuffer->ActivePortsToNetwork(fTxData) : 0;
fTxHeader.fFrames = frames;
}
