Ejemplo n.º 1
0
int zbar_processor_user_wait (zbar_processor_t *proc,
                              int timeout)
{
    int rc;
    proc_enter(proc);
    _zbar_mutex_unlock(&proc->mutex);

    rc = -1;
    if(proc->visible || proc->streaming || timeout >= 0) {
        zbar_timer_t timer;
        rc = _zbar_processor_wait(proc, EVENT_INPUT,
                                  _zbar_timer_init(&timer, timeout));
    }

    if(!proc->visible)
        rc = err_capture(proc, SEV_WARNING, ZBAR_ERR_CLOSED, __func__,
                         "display window not available for input");

    if(rc > 0)
        rc = proc->input;

    _zbar_mutex_lock(&proc->mutex);
    proc_leave(proc);
    return(rc);
}
Ejemplo n.º 2
0
int zbar_process_one (zbar_processor_t *proc,
                      int timeout)
{
    proc_enter(proc);
    int streaming = proc->streaming;
    _zbar_mutex_unlock(&proc->mutex);

    int rc = 0;
    if(!proc->video) {
        rc = err_capture(proc, SEV_ERROR, ZBAR_ERR_INVALID, __func__,
                         "video input not initialized");
        goto done;
    }

    if(!streaming) {
        rc = zbar_processor_set_active(proc, 1);
        if(rc)
            goto done;
    }

    zbar_timer_t timer;
    rc = _zbar_processor_wait(proc, EVENT_OUTPUT,
                              _zbar_timer_init(&timer, timeout));

    if(!streaming && zbar_processor_set_active(proc, 0))
        rc = -1;

 done:
    _zbar_mutex_lock(&proc->mutex);
    proc_leave(proc);
    return(rc);
}