void
RemotePluginClient::setSampleRate(int s)
{
writeOpcode(&m_shmControl->ringBuffer, RemotePluginSetSampleRate);
writeInt(&m_shmControl->ringBuffer, s);
commitWrite(&m_shmControl->ringBuffer);
waitForServer();
}
void
RemotePluginClient::setCurrentProgram(int n)
{
writeOpcode(&m_shmControl->ringBuffer, RemotePluginSetCurrentProgram);
writeInt(&m_shmControl->ringBuffer, n);
commitWrite(&m_shmControl->ringBuffer);
waitForServer();
}
void
RemotePluginClient::setBufferSize(int s)
{
if (s == m_bufferSize) return;
m_bufferSize = s;
sizeShm();
writeOpcode(&m_shmControl->ringBuffer, RemotePluginSetBufferSize);
writeInt(&m_shmControl->ringBuffer, s);
commitWrite(&m_shmControl->ringBuffer);
waitForServer();
}
void
RemotePluginClient::process(float **inputs, float **outputs)
{
//struct timeval start, finish;
//gettimeofday(&start, 0);
if (m_bufferSize < 0) {
std::cerr << "ERROR: RemotePluginClient::setBufferSize must be called before RemotePluginClient::process" << std::endl;
return;
}
if (m_numInputs < 0) {
std::cerr << "ERROR: RemotePluginClient::getInputCount must be called before RemotePluginClient::process" << std::endl;
return;
}
if (m_numOutputs < 0) {
std::cerr << "ERROR: RemotePluginClient::getOutputCount must be called before RemotePluginClient::process" << std::endl;
return;
}
if (!m_shm) {
std::cerr << "ERROR: RemotePluginClient::process: no shared memory region available" << std::endl;
return;
}
size_t blocksz = m_bufferSize * sizeof(float);
//!!! put counter in shm to indicate number of blocks processed?
// (so we know if we've screwed up)
for (int i = 0; i < m_numInputs; ++i) {
memcpy(m_shm + i * blocksz, inputs[i], blocksz);
}
writeOpcode(&m_shmControl->ringBuffer, RemotePluginProcess);
commitWrite(&m_shmControl->ringBuffer);
waitForServer();
for (int i = 0; i < m_numOutputs; ++i) {
memcpy(outputs[i], m_shm + (i + m_numInputs) * blocksz, blocksz);
}
// std::cout << "process: wrote opcode " << RemotePluginProcess << std::endl;
//gettimeofday(&finish, 0);
// std::cout << "process: time " << finish.tv_sec - start.tv_sec
// << " sec, " << finish.tv_usec - start.tv_usec << " usec"
// << std::endl;
return;
}
virtual void
SetUp()
{
pid_ = fork();
ASSERT_LE(0, pid_) << "failed to fork off server process";
if (pid_ == 0)
{
runServer();
exit(0);
}
else
{
waitForServer();
}
}
