char *InitSys()
{
int i;
PortsFound = 0;
for( i = 0; i < NUM_ELTS( PortTest ); ++i ) {
if (!AccessPorts(PortTest[i], PortTest[i])) {
printf("Failed to get I/O permissions. This program must run as root!\n");
exit(-1);
}
if( CheckForPort( i, 0x55 ) && CheckForPort( i, 0xaa ) ) {
PortAddress[ PortsFound++ ] = PortTest[ i ];
}
FreePorts(PortTest[i], PortTest[i]);
}
return( NULL );
}
char *InitSys()
{
SEL global;
SEL local;
int i;
DosGetInfoSeg( &global, &local );
GInfoSeg = MK_FP( global, 0 );
PortsFound = 0;
for( i = 0; i < NUM_ELTS( PortTest ); ++i ) {
AccessPorts( PortTest[i], PortTest[i] );
if( CheckForPort( i, 0x55 ) && CheckForPort( i, 0xaa ) ) {
PortAddress[ PortsFound++ ] = PortTest[ i ];
}
FreePorts( PortTest[i], PortTest[i] );
}
return( 0 );
}
/*
JackProxyDriver is wrapped in a JackWaitCallbackDriver decorator that behaves
as a "dummy driver, until Initialize method returns.
*/
bool JackProxyDriver::Initialize()
{
jack_log("JackProxyDriver::Initialize");
// save existing local connections if needed
if (fAutoSave) {
SaveConnections(0);
}
// new loading, but existing client, restart the driver
if (fClient) {
jack_info("JackProxyDriver restarting...");
jack_client_close(fClient);
}
FreePorts();
// display some additional infos
jack_info("JackProxyDriver started in %s mode.",
(fEngineControl->fSyncMode) ? "sync" : "async");
do {
jack_status_t status;
char *old = NULL;
if (fPromiscuous) {
// as we are fiddling with the environment variable content, save it
const char* tmp = getenv("JACK_PROMISCUOUS_SERVER");
if (tmp) {
old = strdup(tmp);
}
// temporary enable promiscuous mode
if (setenv("JACK_PROMISCUOUS_SERVER", fPromiscuous, 1) < 0) {
free(old);
jack_error("Error allocating memory.");
return false;
}
}
jack_info("JackProxyDriver connecting to %s", fUpstream);
fClient = jack_client_open(fClientName, static_cast<jack_options_t>(JackNoStartServer|JackServerName), &status, fUpstream);
if (fPromiscuous) {
// restore previous environment variable content
if (old) {
if (setenv("JACK_PROMISCUOUS_SERVER", old, 1) < 0) {
free(old);
jack_error("Error allocating memory.");
return false;
}
free(old);
} else {
unsetenv("JACK_PROMISCUOUS_SERVER");
}
}
// the connection failed, try again later
if (!fClient) {
JackSleep(1000000);
}
} while (!fClient);
jack_info("JackProxyDriver connected to %s", fUpstream);
// we are connected, let's register some callbacks
jack_on_shutdown(fClient, shutdown_callback, this);
if (jack_set_process_callback(fClient, process_callback, this) != 0) {
jack_error("Cannot set process callback.");
return false;
}
if (jack_set_buffer_size_callback(fClient, bufsize_callback, this) != 0) {
jack_error("Cannot set buffer size callback.");
return false;
}
if (jack_set_sample_rate_callback(fClient, srate_callback, this) != 0) {
jack_error("Cannot set sample rate callback.");
return false;
}
if (jack_set_port_connect_callback(fClient, connect_callback, this) != 0) {
jack_error("Cannot set port connect callback.");
return false;
}
// detect upstream physical playback ports if needed
if (fDetectPlaybackChannels) {
fPlaybackChannels = CountIO(JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical | JackPortIsOutput);
}
// detect upstream physical capture ports if needed
if (fDetectCaptureChannels) {
fCaptureChannels = CountIO(JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical | JackPortIsInput);
}
if (AllocPorts() != 0) {
jack_error("Can't allocate ports.");
return false;
}
bufsize_callback(jack_get_buffer_size(fClient));
srate_callback(jack_get_sample_rate(fClient));
// restore local connections if needed
if (fAutoSave) {
LoadConnections(0);
}
// everything is ready, start upstream processing
if (jack_activate(fClient) != 0) {
jack_error("Cannot activate jack client.");
return false;
}
// connect upstream ports if needed
if (fAutoConnect) {
ConnectPorts();
}
return true;
}
int JackProxyDriver::Close()
{
FreePorts();
return JackWaiterDriver::Close();
}