driver.c

/*
 *        driver.c
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include <sp/spBaseLib.h>
#include <sp/spAudioLib.h>
#include <sp/spMain.h>
 
static spBool help_flag;
static int debug_level = -1;
static char *plugin_search_path = NULL;
 
static spOptions options;
static spOption option[] = {
    {"-path", NULL, "plugin search path", NULL,
         SP_TYPE_STRING, &plugin_search_path, NULL},
    {"-debug", NULL, "debug level", NULL,
         SP_TYPE_INT, &debug_level, NULL},
    {"-help", "-h", "display this message", NULL,
         SP_TYPE_BOOLEAN, &help_flag, SP_FALSE_STRING},
};
 
static const char *filelabel[] = {
    "",
};
 
int spMain(int argc, char *argv[])
{
    int k, l;
    int num_driver;
    char *driver_name;
    int num_device;
    char *device_name;
    spAudio audio;
 
    spSetHelpMessage(&help_flag, "audio driver test");
    options = spGetOptions(argc, argv, option, filelabel);
    spGetOptionsValue(argc, argv, options);
    spSetDebugLevel(debug_level);
    /*spSetDebugLevel(100);*/
    
    if (!spStrNone(plugin_search_path)) {
        spDebug(10, "spMain", "plugin_search_path: %s\n", plugin_search_path);
        spSetPluginSearchPath(plugin_search_path);
    }
 
    {
        num_device = spGetNumAudioDriverDevice(NULL);
        spMessage("number of driver device = %d\n", num_device);
 
        for (l = 0; l < num_device; l++) {
            if ((device_name = xspGetAudioDriverDeviceName(NULL, l)) != NULL) {
                spMessage("driver device %d = %s\n", l, device_name);
                xspFree(device_name);
            }
        }
    }
 
    num_driver = spGetNumAudioDriver();
        
    for (k = 0; k < num_driver; k++) {
        if ((driver_name = xspGetAudioDriverName(k)) != NULL) {
            spMessage("driver %d = %s\n", k, driver_name);
 
            if ((audio = spInitAudioDriver(driver_name)) != NULL) {
                if (spGetNumAudioDevice(audio, &num_device) == SP_TRUE) {
                    spMessage("num_device = %d\n", num_device);
                    for (l = 0; l < num_device; l++) {
                        if ((device_name = xspGetAudioDeviceName(audio, l)) != NULL) {
                            spMessage("device %d = %s\n", l, device_name);
 
                            xspFree(device_name);
                        }
                        
                        if (spSelectAudioDevice(audio, l) == SP_FALSE) {
                            spMessage("Can't select device: %d\n", l);
                        } else {
                            if (spOpenAudioDevice(audio, "w") == SP_FALSE) {
                                spMessage("Can't open device: %d\n", l);
                            } else {
                                spMessage("Device successfully opened: %d\n", l);
                                spCloseAudioDevice(audio);
                            }
                        }
                    }
                }
                spFreeAudioDriver(audio);
            } else {
                spMessage("Can't open audio driver: %s\n", driver_name);
            }
            
            xspFree(driver_name);
        }
    }
    
    return 0;
}