testaudioinfo.c File Reference

#include <stdio.h>
#include "SDL.h"

Include dependency graph for testaudioinfo.c:

Go to the source code of this file.

Functions
static void	print_devices (int iscapture)
int	main (int argc, char **argv)

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 41 of file testaudioinfo.c.

References i, print_devices(), SDL_GetAudioDriver, SDL_GetCurrentAudioDriver, SDL_GetError, SDL_GetNumAudioDrivers, SDL_Init, SDL_INIT_AUDIO, SDL_Log, SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO, SDL_LogError, SDL_LogSetPriority, and SDL_Quit.

{
    int n;

    /* Enable standard application logging */
    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);

    /* Load the SDL library */
    if (SDL_Init(SDL_INIT_AUDIO) < 0) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
        return (1);
    }

    /* Print available audio drivers */
    n = SDL_GetNumAudioDrivers();
    if (n == 0) {
        SDL_Log("No built-in audio drivers\n\n");
    } else {
        int i;
        SDL_Log("Built-in audio drivers:\n");
        for (i = 0; i < n; ++i) {
            SDL_Log("  %d: %s\n", i, SDL_GetAudioDriver(i));
        }
        SDL_Log("Select a driver with the SDL_AUDIODRIVER environment variable.\n");
    }

    SDL_Log("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver());

    print_devices(0);
    print_devices(1);

    SDL_Quit();
    return 0;
}

static void print_devices ( int  iscapture )

static

Definition at line 16 of file testaudioinfo.c.

References i, NULL, SDL_GetAudioDeviceName, SDL_GetError, SDL_GetNumAudioDevices, and SDL_Log.

Referenced by main().

{
    const char *typestr = ((iscapture) ? "capture" : "output");
    int n = SDL_GetNumAudioDevices(iscapture);

    SDL_Log("Found %d %s device%s:\n", n, typestr, n != 1 ? "s" : "");

    if (n == -1)
        SDL_Log("  Driver can't detect specific %s devices.\n\n", typestr);
    else if (n == 0)
        SDL_Log("  No %s devices found.\n\n", typestr);
    else {
        int i;
        for (i = 0; i < n; i++) {
            const char *name = SDL_GetAudioDeviceName(i, iscapture);
            if (name != NULL)
                SDL_Log("  %d: %s\n", i, name);
            else
                SDL_Log("  %d Error: %s\n", i, SDL_GetError());
        }
        SDL_Log("\n");
    }
}