/[svn]/linuxsampler/trunk/src/engines/gig/DiskThread.cpp
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Diff of /linuxsampler/trunk/src/engines/gig/DiskThread.cpp

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revision 53 by schoenebeck, Mon Apr 26 17:15:51 2004 UTC revision 333 by senkov, Sat Jan 1 08:18:07 2005 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003 by Benno Senoner                                   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6   *                                                                         *   *                                                                         *
7   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
8   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 109  namespace LinuxSampler { namespace gig { Line 109  namespace LinuxSampler { namespace gig {
109              return -1;              return -1;
110          }          }
111    
112            const Stream::OrderID_t newOrder = CreateOrderID();
113            if (!newOrder) {
114                    dmsg(1,("DiskThread: there was no free slot\n"));
115                    return -1; // there was no free slot
116            }
117    
118          pStreamRef->State   = Stream::state_active;          pStreamRef->State   = Stream::state_active;
119          pStreamRef->OrderID = CreateOrderID();          pStreamRef->OrderID = newOrder;
120          pStreamRef->hStream = CreateHandle();          pStreamRef->hStream = CreateHandle();
121          pStreamRef->pStream = NULL; // a stream has to be activated by the disk thread first          pStreamRef->pStream = NULL; // a stream has to be activated by the disk thread first
122    
         if (!pStreamRef->OrderID) return -1; // there was no free slot  
   
123          create_command_t cmd;          create_command_t cmd;
124          cmd.OrderID      = pStreamRef->OrderID;          cmd.OrderID      = pStreamRef->OrderID;
125          cmd.hStream      = pStreamRef->hStream;          cmd.hStream      = pStreamRef->hStream;
# Line 231  namespace LinuxSampler { namespace gig { Line 235  namespace LinuxSampler { namespace gig {
235              }              }
236    
237              // if there are deletion commands, delete those streams              // if there are deletion commands, delete those streams
238              while (Stream::UnusedStreams < Streams && DeletionQueue->read_space() > 0) {              while (Stream::UnusedStreams < Stream::TotalStreams && DeletionQueue->read_space() > 0) {
239                  delete_command_t command;                  delete_command_t command;
240                  DeletionQueue->pop(&command);                  DeletionQueue->pop(&command);
241                  DeleteStream(command);                  DeleteStream(command);
# Line 335  namespace LinuxSampler { namespace gig { Line 339  namespace LinuxSampler { namespace gig {
339    
340      /// order ID Generator      /// order ID Generator
341      Stream::OrderID_t DiskThread::CreateOrderID() {      Stream::OrderID_t DiskThread::CreateOrderID() {
342          static uint32_t counter = 0;          static Stream::OrderID_t counter(0);
343          for (int i = 0; i < MAX_INPUT_STREAMS; i++) {          for (int i = 0; i < MAX_INPUT_STREAMS; i++) {
344              if (counter == MAX_INPUT_STREAMS) counter = 1; // we use '0' as 'invalid order' only, so we skip 0              if (counter == MAX_INPUT_STREAMS) counter = 1; // we use '0' as 'invalid order' only, so we skip 0
345              else                              counter++;              else                              counter++;
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