qsound_win.cpp File Reference

#include "qsound.h"
#include "qapplication.h"
#include "qapplication_p.h"
#include <qfile.h>
#include "qpointer.h"
#include "qsound_p.h"
#include <qt_windows.h>
#include "qsound_win.moc"

Go to the source code of this file.

Classes
class	QAuServerWindows
struct	SoundInfo

Functions
QAuServer *	qt_new_audio_server ()
DWORD WINAPI	SoundPlayProc (LPVOID param)

Function Documentation

qt_new_audio_server()

QAuServer* qt_new_audio_server

(

)

Definition at line 196 of file qsound_win.cpp.

{
    return new QAuServerWindows(qApp);
}

SoundPlayProc()

DWORD WINAPI SoundPlayProc

(

LPVOID

param

)

Definition at line 108 of file qsound_win.cpp.

Referenced by QAuServerWindows::playHelper().

{
    SoundInfo *info = (SoundInfo*)param;

    // copy data before waking up GUI thread
    QAuServerWindows *server = info->server;
    QSound *sound = info->sound;
    int loops = info->loops;
    QString filename = info->filename;
    HANDLE mutex = server->mutex;
    HANDLE event = server->event;
    info = 0;

    // server must not be destroyed until thread finishes
    // and all other sounds have to wait
    WaitForSingleObject(mutex, INFINITE);

    if (loops <= 1) {
        server->current = 0;
        int flags = SND_FILENAME|SND_ASYNC;
        if (loops == -1)
            flags |= SND_LOOP;

        PlaySound((wchar_t*)filename.utf16(), 0, flags);
        if (sound && loops == 1)
            server->decLoop(sound);

        // GUI thread continues, but we are done as well.
        SetEvent(event);
    } else {
        // signal GUI thread to continue - sound might be reset!
        QPointer<QSound> guarded_sound = sound;
        SetEvent(event);

        for (int l = 0; l < loops && server->current; ++l) {
            PlaySound((wchar_t*)filename.utf16(), 0, SND_FILENAME | SND_SYNC);

            if (guarded_sound)
                server->decLoop(guarded_sound);
        }
        server->current = 0;
    }
    ReleaseMutex(mutex);

    return 0;
}