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https://github.com/thestk/stk
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Version 4.1
This commit is contained in:
Gary Scavone
committed by
Stephen Sinclair
Stephen Sinclair
parent
81475b04c5
commit
2f09fcd019
@@ -1,113 +1,113 @@
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/***************************************************/
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/*! \class TcpWvIn
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\brief STK internet streaming input class.
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This protected Wvin subclass can read streamed
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data over a network via a TCP socket connection.
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The data is assumed in big-endian, or network,
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byte order.
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TcpWvIn supports multi-channel data in
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interleaved format. It is important to
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distinguish the tick() methods, which return
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samples produced by averaging across sample
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frames, from the tickFrame() methods, which
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return pointers to multi-channel sample frames.
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For single-channel data, these methods return
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equivalent values.
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This class starts a socket server, which waits
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for a single remote connection. The default
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data type for the incoming stream is signed
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16-bit integers, though any of the defined
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STK_FORMATs are permissible.
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by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
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*/
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/***************************************************/
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#if !defined(__TCPWVIN_H)
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#define __TCPWVIN_H
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#include "WvIn.h"
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#include "Socket.h"
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#include "Thread.h"
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typedef struct {
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bool finished;
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void *object;
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} thread_info;
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class TcpWvIn : protected WvIn
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{
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public:
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//! Default constructor starts a socket server. If not specified, the server is associated with port 2006.
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/*!
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An StkError will be thrown if an error occurs while initializing the input thread or starting the socket server.
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*/
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TcpWvIn( int port = 2006 );
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//! Class destructor.
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~TcpWvIn();
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//! Listen for a (new) connection with specified data channels and format.
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/*!
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An StkError will be thrown a socket error or an invalid function argument.
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*/
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void listen(unsigned int nChannels = 1, Stk::STK_FORMAT format = STK_SINT16);
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//! Returns TRUE is an input connection exists or input data remains in the queue.
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/*!
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This method will not return FALSE after an input connection has been closed until
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all buffered input data has been read out.
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*/
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bool isConnected(void);
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//! Return the average across the last output sample frame.
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MY_FLOAT lastOut(void) const;
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//! Read out the average across one sample frame of data.
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MY_FLOAT tick(void);
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//! Read out vectorSize averaged sample frames of data in \e vector.
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MY_FLOAT *tick(MY_FLOAT *vector, unsigned int vectorSize);
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//! Return a pointer to the last output sample frame.
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const MY_FLOAT *lastFrame(void) const;
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//! Return a pointer to the next sample frame of data.
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const MY_FLOAT *tickFrame(void);
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//! Read out sample \e frames of data to \e frameVector.
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MY_FLOAT *tickFrame(MY_FLOAT *frameVector, unsigned int frames);
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// Called by the thread routine to receive data via the socket connection
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// and fill the socket buffer. This is not intended for general use but
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// had to be made public for access from the thread.
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void receive(void);
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protected:
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// Initialize class variables.
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void init( int port );
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// Read buffered socket data into the data buffer ... will block if none available.
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int readData( void );
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Socket *soket;
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Thread *thread;
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Mutex mutex;
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char *buffer;
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long bufferBytes;
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long bytesFilled;
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long writePoint;
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long readPoint;
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long counter;
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int dataSize;
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bool connected;
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int fd;
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thread_info threadInfo;
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};
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#endif
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/***************************************************/
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/*! \class TcpWvIn
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\brief STK internet streaming input class.
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This protected Wvin subclass can read streamed
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data over a network via a TCP socket connection.
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The data is assumed in big-endian, or network,
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byte order.
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TcpWvIn supports multi-channel data in
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interleaved format. It is important to
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distinguish the tick() methods, which return
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samples produced by averaging across sample
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frames, from the tickFrame() methods, which
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return pointers to multi-channel sample frames.
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For single-channel data, these methods return
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equivalent values.
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This class starts a socket server, which waits
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for a single remote connection. The default
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data type for the incoming stream is signed
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16-bit integers, though any of the defined
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STK_FORMATs are permissible.
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by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
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*/
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/***************************************************/
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#if !defined(__TCPWVIN_H)
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#define __TCPWVIN_H
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#include "WvIn.h"
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#include "Socket.h"
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#include "Thread.h"
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typedef struct {
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bool finished;
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void *object;
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} thread_info;
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class TcpWvIn : protected WvIn
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{
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public:
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//! Default constructor starts a socket server. If not specified, the server is associated with port 2006.
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/*!
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An StkError will be thrown if an error occurs while initializing the input thread or starting the socket server.
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*/
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TcpWvIn( int port = 2006 );
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//! Class destructor.
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~TcpWvIn();
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//! Listen for a (new) connection with specified data channels and format.
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/*!
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An StkError will be thrown a socket error or an invalid function argument.
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*/
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void listen(unsigned int nChannels = 1, Stk::STK_FORMAT format = STK_SINT16);
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//! Returns TRUE is an input connection exists or input data remains in the queue.
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/*!
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This method will not return FALSE after an input connection has been closed until
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all buffered input data has been read out.
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*/
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bool isConnected(void);
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//! Return the average across the last output sample frame.
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MY_FLOAT lastOut(void) const;
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//! Read out the average across one sample frame of data.
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MY_FLOAT tick(void);
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//! Read out vectorSize averaged sample frames of data in \e vector.
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MY_FLOAT *tick(MY_FLOAT *vector, unsigned int vectorSize);
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//! Return a pointer to the last output sample frame.
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const MY_FLOAT *lastFrame(void) const;
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//! Return a pointer to the next sample frame of data.
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const MY_FLOAT *tickFrame(void);
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//! Read out sample \e frames of data to \e frameVector.
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MY_FLOAT *tickFrame(MY_FLOAT *frameVector, unsigned int frames);
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// Called by the thread routine to receive data via the socket connection
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// and fill the socket buffer. This is not intended for general use but
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// had to be made public for access from the thread.
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void receive(void);
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protected:
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// Initialize class variables.
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void init( int port );
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// Read buffered socket data into the data buffer ... will block if none available.
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int readData( void );
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Socket *soket;
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Thread *thread;
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Mutex mutex;
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char *buffer;
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long bufferBytes;
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long bytesFilled;
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long writePoint;
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long readPoint;
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long counter;
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int dataSize;
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bool connected;
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int fd;
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thread_info threadInfo;
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};
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#endif
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