/[svn]/linuxsampler/trunk/src/engines/gig/DiskThread.h
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revision 502 by letz, Fri Apr 29 14:20:22 2005 UTC revision 724 by iliev, Mon Jul 25 09:28:00 2005 UTC
# Line 26  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 STREAM_BUFFER_SIZE              262144  
 //#define MAX_INPUT_STREAMS             150     ///< number of streams that should be allocated  
   
 #define MAX_INPUT_STREAMS               90     ///< 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"
 #include "../../lib/fileloader/libgig/gig.h"  
33  #include "Stream.h"  #include "Stream.h"
34  #include "Voice.h"  #include "Voice.h"
35    
# Line 53  namespace LinuxSampler { namespace gig { Line 37  namespace LinuxSampler { namespace gig {
37    
38      int CompareStreamWriteSpace(const void* a, const void* b);      int CompareStreamWriteSpace(const void* a, const void* b);
39    
40        /** @brief Disk Reader Thread
41         *
42         * The disk reader thread is responsible for periodically refilling
43         * disk streams in parallel to the audio thread's rendering process.
44         */
45      class DiskThread : public Thread {      class DiskThread : public Thread {
46          public:          public:
47              // Methods              // Methods
# Line 99  namespace LinuxSampler { namespace gig { Line 88  namespace LinuxSampler { namespace gig {
88              RingBuffer<delete_command_t>*  DeletionQueue;                          ///< Contains commands to delete streams              RingBuffer<delete_command_t>*  DeletionQueue;                          ///< Contains commands to delete streams
89              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
90              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
91              Stream*                        pStreams[MAX_INPUT_STREAMS];            ///< Contains all disk streams (wether used or unused)              Stream*                        pStreams[CONFIG_MAX_STREAMS];            ///< Contains all disk streams (whether used or unused)
92              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.
93              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.
94    
95              // Methods              // Methods
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