/[svn]/linuxsampler/trunk/src/engines/gig/DiskThread.h
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revision 80 by schoenebeck, Sun May 23 19:16:33 2004 UTC revision 554 by schoenebeck, Thu May 19 19:25:14 2005 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6     *   Copyright (C) 2005 Christian Schoenebeck                              *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   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 25  Line 26 
26    
27  #include "../../common/global.h"  #include "../../common/global.h"
28    
29  #if DEBUG_HEADERS  #include <gig.h>
 # warning DiskThread.h included  
 #endif // DEBUG_HEADERS  
   
 #define REFILL_STREAMS_PER_RUN          4       ///< number of streams that should be refilled with each disk thread cycle  
 #define MIN_REFILL_SIZE                 1024    ///< if no buffer was filled up more than this bottom limit, the disk thread will go to sleep  
 #define MAX_REFILL_SIZE                 65536   ///< maximum of samples a buffer should be refilled in one cycle (256kB, as 16 bit stereo)  
 #define STREAM_BUFFER_SIZE              131072  ///< the diskstream ringbuffer size (256kB as sample_t is 16bit)  
 #define MAX_INPUT_STREAMS               150     ///< number of streams that should be allocated  
30    
31  #include "../../common/Thread.h"  #include "../../common/Thread.h"
32  #include "../../common/RingBuffer.h"  #include "../../common/RingBuffer.h"
# Line 48  namespace LinuxSampler { namespace gig { Line 41  namespace LinuxSampler { namespace gig {
41          public:          public:
42              // Methods              // Methods
43              DiskThread(uint BufferWrapElements);              DiskThread(uint BufferWrapElements);
44             ~DiskThread();              virtual ~DiskThread();
45              void    Reset();              void    Reset();
46              String  GetBufferFillBytes();              String  GetBufferFillBytes();
47              String  GetBufferFillPercentage();              String  GetBufferFillPercentage();
# Line 62  namespace LinuxSampler { namespace gig { Line 55  namespace LinuxSampler { namespace gig {
55              int ActiveStreamCountMax;              int ActiveStreamCountMax;
56    
57          protected:          protected:
58                ::gig::buffer_t DecompressionBuffer; ///< Used for thread safe streaming.
59    
60              int Main(); ///< Implementation of virtual method from class Thread              int Main(); ///< Implementation of virtual method from class Thread
61    
62                friend class Stream;
63          private:          private:
64              // Private Types              // Private Types
65              struct create_command_t {              struct create_command_t {
# Line 86  namespace LinuxSampler { namespace gig { Line 83  namespace LinuxSampler { namespace gig {
83              RingBuffer<delete_command_t>*  DeletionQueue;                          ///< Contains commands to delete streams              RingBuffer<delete_command_t>*  DeletionQueue;                          ///< Contains commands to delete streams
84              RingBuffer<Stream::Handle>*    GhostQueue;                             ///< Contains handles to streams that are not used anymore and weren't deletable immediately              RingBuffer<Stream::Handle>*    GhostQueue;                             ///< Contains handles to streams that are not used anymore and weren't deletable immediately
85              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
86              Stream*                        pStreams[MAX_INPUT_STREAMS];            ///< Contains all disk streams (wether used or unused)              Stream*                        pStreams[CONFIG_MAX_STREAMS];            ///< Contains all disk streams (wether used or unused)
87              Stream*                        pCreatedStreams[MAX_INPUT_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.
88              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.
89    
90              // Methods              // Methods
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