testaudioinfo.c
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/*
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
#include <stdio.h>
#include "SDL.h"
static void
print_devices(int iscapture)
{
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");
}
}
int
main(int argc, char **argv)
{
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;
}
SDL_GetNumAudioDrivers
#define SDL_GetNumAudioDrivers
Definition: SDL_dynapi_overrides.h:73
SDL_GetNumAudioDevices
#define SDL_GetNumAudioDevices
Definition: SDL_dynapi_overrides.h:79
SDL_GetError
#define SDL_GetError
Definition: SDL_dynapi_overrides.h:113
name
GLuint const GLchar * name
Definition: SDL_opengl_glext.h:660
SDL_LogError
#define SDL_LogError
Definition: SDL_dynapi_overrides.h:36
SDL_GetAudioDeviceName
#define SDL_GetAudioDeviceName
Definition: SDL_dynapi_overrides.h:80
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:31
SDL_Quit
#define SDL_Quit
Definition: SDL_dynapi_overrides.h:58
SDL_GetAudioDriver
#define SDL_GetAudioDriver
Definition: SDL_dynapi_overrides.h:74
SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:236
SDL_GetCurrentAudioDriver
#define SDL_GetCurrentAudioDriver
Definition: SDL_dynapi_overrides.h:77
NULL
#define NULL
Definition: begin_code.h:164
SDL_INIT_AUDIO
#define SDL_INIT_AUDIO
Definition: SDL.h:77
n
GLdouble n
Definition: SDL_opengl_glext.h:1952
main
int main(int argc, char **argv)
Definition: testaudioinfo.c:41
SDL_Init
#define SDL_Init
Definition: SDL_dynapi_overrides.h:54
SDL.h
print_devices
static void print_devices(int iscapture)
Definition: testaudioinfo.c:16
SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66