/[svn]/linuxsampler/trunk/src/engines/gig/DiskThread.h
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revision 970 by schoenebeck, Wed Dec 6 22:28:17 2006 UTC revision 1038 by persson, Sat Feb 3 15:33:00 2007 UTC
# Line 41  namespace LinuxSampler { namespace gig { Line 41  namespace LinuxSampler { namespace gig {
41       *       *
42       * The disk reader thread is responsible for periodically refilling       * The disk reader thread is responsible for periodically refilling
43       * disk streams in parallel to the audio thread's rendering process.       * disk streams in parallel to the audio thread's rendering process.
44         *
45         * There is also a function for releasing parts of instruments not
46         * in use anymore (as this is not real time safe, the audio thread
47         * cannot do it directly).
48       */       */
49      class DiskThread : public Thread {      class DiskThread : public Thread {
50          public:          public:
51              // Methods              // Methods
52              DiskThread(uint BufferWrapElements);              DiskThread(uint BufferWrapElements, InstrumentResourceManager* pInstruments);
53              virtual ~DiskThread();              virtual ~DiskThread();
54              void    Reset();              void    Reset();
55              String  GetBufferFillBytes();              String  GetBufferFillBytes();
56              String  GetBufferFillPercentage();              String  GetBufferFillPercentage();
57              int     OrderNewStream(Stream::reference_t* pStreamRef, ::gig::DimensionRegion* pDimRgn, unsigned long SampleOffset, bool DoLoop);              int     OrderNewStream(Stream::reference_t* pStreamRef, ::gig::DimensionRegion* pDimRgn, unsigned long SampleOffset, bool DoLoop);
58              int     OrderDeletionOfStream(Stream::reference_t* pStreamRef);              int     OrderDeletionOfStream(Stream::reference_t* pStreamRef);
59                int     OrderDeletionOfDimreg(::gig::DimensionRegion* dimreg);
60              Stream* AskForCreatedStream(Stream::OrderID_t StreamOrderID);              Stream* AskForCreatedStream(Stream::OrderID_t StreamOrderID);
61    
62              // the number of streams currently in usage              // the number of streams currently in usage
# Line 87  namespace LinuxSampler { namespace gig { Line 92  namespace LinuxSampler { namespace gig {
92              RingBuffer<create_command_t,false>* CreationQueue;                      ///< Contains commands to create streams              RingBuffer<create_command_t,false>* CreationQueue;                      ///< Contains commands to create streams
93              RingBuffer<delete_command_t,false>* DeletionQueue;                      ///< Contains commands to delete streams              RingBuffer<delete_command_t,false>* DeletionQueue;                      ///< Contains commands to delete streams
94              RingBuffer<Stream::Handle,false>*   GhostQueue;                         ///< Contains handles to streams that are not used anymore and weren't deletable immediately              RingBuffer<Stream::Handle,false>*   GhostQueue;                         ///< Contains handles to streams that are not used anymore and weren't deletable immediately
95                RingBuffer< ::gig::DimensionRegion*,false>* DeleteDimregQueue;          ///< Contains dimension regions that are not used anymore and should be handed back to the instrument resource manager
96              unsigned int                   RefillStreamsPerRun;                    ///< How many streams should be refilled in each loop run              unsigned int                   RefillStreamsPerRun;                    ///< How many streams should be refilled in each loop run
97              Stream*                        pStreams[CONFIG_MAX_STREAMS];            ///< Contains all disk streams (whether used or unused)              Stream*                        pStreams[CONFIG_MAX_STREAMS];            ///< Contains all disk streams (whether used or unused)
98              Stream*                        pCreatedStreams[CONFIG_MAX_STREAMS + 1]; ///< This is where the voice (audio thread) picks up it's meanwhile hopefully created disk stream.              Stream*                        pCreatedStreams[CONFIG_MAX_STREAMS + 1]; ///< This is where the voice (audio thread) picks up it's meanwhile hopefully created disk stream.
99              static Stream*                 SLOT_RESERVED;                          ///< This value is used to mark an entry in pCreatedStreams[] as reserved.              static Stream*                 SLOT_RESERVED;                          ///< This value is used to mark an entry in pCreatedStreams[] as reserved.
100                InstrumentResourceManager*     pInstruments;                           ///< The instrument resource manager of the engine that is using this disk thread. Used by the dimension region deletion feature.
101    
102              // Methods              // Methods
103              void                           CreateStream(create_command_t& Command);              void                           CreateStream(create_command_t& Command);
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