/*----------------------------------------------------------------------
| CrossFader_Activate
+---------------------------------------------------------------------*/
BLT_METHOD
CrossFader_Activate(BLT_MediaNodeInstance* instance, BLT_Stream* stream)
{
ATX_Properties settings;
CrossFader* fader = (CrossFader*)instance;
/* stop listening for settings on the current stream, if any */
if (!ATX_OBJECT_IS_NULL(&fader->context) &&
fader->listener_handle != NULL) {
if (BLT_SUCCEEDED(BLT_Core_GetSettings(&fader->base.core,
&settings))) {
ATX_Properties_RemoveListener(&settings, fader->listener_handle);
}
fader->listener_handle = NULL;
}
/* keep a reference to the stream */
fader->context = *stream;
/* listen to settings on the new stream */
if (BLT_SUCCEEDED(BLT_Core_GetSettings(&fader->base.core,
&settings))) {
ATX_PropertyListener me;
ATX_INSTANCE(&me) = (ATX_PropertyListenerInstance*)fader;
ATX_INTERFACE(&me) = &CrossFader_ATX_PropertyListenerInterface;
ATX_Properties_AddListener(&settings,
"SomeSetting",
&me,
&fader->listener_handle);
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| ConnectClient
+---------------------------------------------------------------------*/
static ATX_Result
ConnectClient(ATX_ClientSocket* client,
char* hostname,
ATX_SocketPort port,
ATX_ByteStream* stream)
{
ATX_Socket socket;
ATX_Result result;
ATX_Debug("connecting to %s on port %d\n", hostname, port);
/* connect client */
result = ATX_ClientSocket_Connect(client, hostname, port, 10000);
if (result != ATX_SUCCESS) {
ATX_Debug("ERROR: connection failed (%d)\n", result);
return result;
}
ATX_Debug("connected\n");
/* cast to ATX_Socket interface */
result = ATX_CAST_OBJECT(client, &socket, ATX_Socket);
if (result != ATX_SUCCESS) {
ATX_Debug("ERROR: client object does not implement the "
"ATX_Socket interface\n");
return result;
}
/* get socket stream */
result = ATX_Socket_GetStream(&socket, stream);
if (result != ATX_SUCCESS) {
ATX_Debug("ERROR: cannot get socket stream\n");
return result;
}
/* check stream */
if (ATX_OBJECT_IS_NULL(stream)) {
ATX_Debug("ERROR: stream is NULL\n");
return ATX_FAILURE;
}
return ATX_SUCCESS;
}
