QWSSoundServerStream Class Reference

Inheritance diagram for QWSSoundServerStream:

Public Functions
bool	finished () const
	QWSSoundServerStream (int d, int c, int f, int b, int wid, int sid)
int	readySamples (int)
	~QWSSoundServerStream ()
Public Functions inherited from QWSSoundServerProvider
int	add (int *mixl, int *mixr, int count)
bool	equal (int wid, int sid)
int	getSample (int off, int bps)
int	groupId () const
bool	muted ()
	QWSSoundServerProvider (int w, int s)
void	setMute (bool m)
void	setPriority (bool p)
void	setVolume (int lv, int rv)
int	soundId () const
void	startSampleRunin ()
virtual	~QWSSoundServerProvider ()

Protected Variables
time_t	lasttime
Protected Variables inherited from QWSSoundServerProvider
struct {
qint32   avgBytesPerSec
qint16   blockAlign
qint16   channels
qint16   formatTag
qint32   samplesPerSec
qint16   wBitsPerSample
}	chunkdata
int	dev
int	samples_due

Additional Inherited Members
Static Public Functions inherited from QWSSoundServerProvider
static void	setPlayPriorityOnly (bool p)
Protected Functions inherited from QWSSoundServerProvider
int	devSamples ()
char *	prepareBuffer (int &size)
void	updateBuffer (int read)

Detailed Description

Definition at line 645 of file qsoundqss_qws.cpp.

Constructors and Destructors

QWSSoundServerStream()

QWSSoundServerStream::QWSSoundServerStream ( int  d, int  c, int  f, int  b, int  wid, int  sid  )

inline

Definition at line 647 of file qsoundqss_qws.cpp.

Referenced by QWSSoundServerPrivate::playRawFile().

    : QWSSoundServerProvider(wid, sid)
    {
    chunkdata.channels = c;
    chunkdata.samplesPerSec = f;
    chunkdata.wBitsPerSample = b;
    dev = d;
    //fcntl( dev, F_SETFL, O_NONBLOCK );
    lasttime = 0;
    }

~QWSSoundServerStream()

QWSSoundServerStream::~QWSSoundServerStream ( )

inline

Definition at line 659 of file qsoundqss_qws.cpp.

    {
    if (dev != -1) {
        ::close(dev);
        dev = -1;
    }
    }

Functions

finished()

bool QWSSoundServerStream::finished ( ) const

inlinevirtual

Implements QWSSoundServerProvider.

Definition at line 667 of file qsoundqss_qws.cpp.

    {
    return (dev == -1);
    }

readySamples()

int QWSSoundServerStream::readySamples ( int  )

inlinevirtual

Implements QWSSoundServerProvider.

Definition at line 673 of file qsoundqss_qws.cpp.

    {
    int size;
    char *dest = prepareBuffer(size);
    if (size > 0 && dest != 0 && dev != -1) {

        int read = ::read(dev, dest, size);
        if (read < 0) {
        switch(errno) {
            case EAGAIN:
            case EINTR:
            // means read may yet succeed on the next attempt
            break;
            default:
            // unexpected error, fail.
            ::close(dev);
            dev = -1;
        }
        } else if (read == 0) {
        // 0 means writer has closed dev and/or
        // file is at end.
        ::close(dev);
        dev = -1;
        } else {
        updateBuffer(read);
        }
    }
    int possible = devSamples();
    if (possible == 0)
        startSampleRunin();
    return possible;
    }

Properties

lasttime

time_t QWSSoundServerStream::lasttime

protected

Definition at line 707 of file qsoundqss_qws.cpp.

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The documentation for this class was generated from the following file:

• /src/gui/embedded/qsoundqss_qws.cpp