+++ /dev/null
-/* -*- mode: C; tab-width:8; c-basic-offset:8 -*-
- * vi:set ts=8:
- *
- * alcinfo.x
- *
- * alcinfo display info about a ALC extension and OpenAL renderer
- *
- * This file is in the Public Domain and comes with no warranty.
- * Erik Hofman <erik@ehofman.com>
- *
- */
-
-#if HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#ifdef __APPLE__
-# include <OpenAL/al.h>
-# include <OpenAL/alc.h>
-#else
-# include <AL/al.h>
-# include <AL/alc.h>
-# include <AL/alext.h>
-#endif
-
-#ifndef AL_VERSION_1_1
-# ifdef __APPLE__
-# include <OpenAL/altypes.h>
-# include <OpenAL/alctypes.h>
-#else
-# include <AL/altypes.h>
-# include <AL/alctypes.h>
-# endif
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-#ifndef ALC_ALL_DEVICES_SPECIFIER
-# define ALC_ALL_DEVICES_SPECIFIER 0x1013
-#endif
-
-#define MAX_DATA 16
-static const int indentation = 4;
-static const int maxmimumWidth = 79;
-
-void printExtensions (const char *, char, const char *);
-void displayDevices(const char *, const char *);
-char *getDeviceName(int, char **);
-void testForError(void *, char *);
-void testForALCError(ALCdevice *);
-
-int main(int argc, char **argv)
-{
- ALCint data[MAX_DATA];
- ALCdevice *device = NULL;
- ALCcontext *context = NULL;
- ALenum error;
- char *s;
-
- if (alcIsExtensionPresent(NULL, "ALC_enumeration_EXT") == AL_TRUE)
- {
- if (alcIsExtensionPresent(NULL, "ALC_enumerate_all_EXT") == AL_FALSE)
- s = (char *)alcGetString(NULL, ALC_DEVICE_SPECIFIER);
- else
- s = (char *)alcGetString(NULL, ALC_ALL_DEVICES_SPECIFIER);
- displayDevices("output", s);
-
- s = (char *)alcGetString(NULL, ALC_CAPTURE_DEVICE_SPECIFIER);
- displayDevices("input", s);
- }
-
- s = getDeviceName(argc, argv);
- device = alcOpenDevice(s);
- testForError(device, "Audio device not available.");
-
- context = alcCreateContext(device, NULL);
- testForError(context, "Unable to create a valid context.");
-
- alcMakeContextCurrent(context);
- testForALCError(device);
-
- s = (char *)alcGetString(device, ALC_DEFAULT_DEVICE_SPECIFIER);
- printf("default output device: %s\n", s);
- testForALCError(device);
-
- error = alcIsExtensionPresent(device, "ALC_EXT_capture");
- if (error)
- {
- s = (char *)alcGetString(device, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER);
- printf("default input device: %s\n", s);
- testForALCError(device);
- }
- printf("capture support: %s\n", (error) ? "yes" : "no");
-
- alcGetIntegerv(device, ALC_FREQUENCY, 1, data);
- printf("mixer frequency: %u hz\n", data[0]);
- testForError(device, "invalid context");
-
- alcGetIntegerv(device, ALC_REFRESH, 1, data+1);
- printf("refresh rate : %u hz\n", data[0]/data[1]);
- testForError(device, "invalid context");
-
- data[0] = 0;
- alcGetIntegerv(device, ALC_MONO_SOURCES, 1, data);
- printf("supported sources; mono: %u, ", data[0]);
- testForError(device, "invalid context");
-
- data[0] = 0;
- alcGetIntegerv(device, ALC_STEREO_SOURCES, 1, data);
- printf("stereo: %u\n", data[0]);
- testForError(device, "invalid context");
-
- printf("ALC version: ");
- alcGetIntegerv(device, ALC_MAJOR_VERSION, 1, data);
- printf("%i.", *data);
- alcGetIntegerv(device, ALC_MINOR_VERSION, 1, data);
- printf("%i\n", *data);
- testForALCError(device);
-
- s = (char *)alcGetString(device, ALC_EXTENSIONS);
- printExtensions ("ALC extensions", ' ', s);
- testForALCError(device);
-
- s = (char *)alGetString(AL_VENDOR);
- error = alGetError();
- if ((error = alGetError()) != AL_NO_ERROR)
- printf("Error #%x: %s\n", error, alGetString(error));
- else
- printf("OpenAL vendor string: %s\n", s);
-
- s = (char *)alGetString(AL_RENDERER);
- if ((error = alGetError()) != AL_NO_ERROR)
- printf("Error #%x: %s\n", error, alGetString(error));
- else
- printf("OpenAL renderer string: %s\n", s);
-
- s = (char *)alGetString(AL_VERSION);
- if ((error = alGetError()) != AL_NO_ERROR)
- printf("Error #%x: %s\n", error, alGetString(error));
- else if (!s)
- printf("Quering AL_VERSION returned NULL pointer!\n");
- else
- printf("OpenAL version string: %s\n", s);
-
- s = (char *)alGetString(AL_EXTENSIONS);
- printExtensions ("OpenAL extensions", ' ', s);
- testForALCError(device);
-
-/* alut testing mechanism */
- context = alcGetCurrentContext();
- if (context == NULL)
- {
- printf("Error: no current context\n");
- }
- else
- {
- if (alGetError () != AL_NO_ERROR)
- {
- printf("Alert: AL error on entry\n");
- }
- else
- {
- if (alcGetError (alcGetContextsDevice (context)) != ALC_NO_ERROR)
- {
- printf("Alert: ALC error on entry\n");
- }
- }
- }
-/* end of alut test */
-
-
- if (alcMakeContextCurrent(NULL) == 0)
- printf("alcMakeContextCurrent failed.\n");
-
- device = alcGetContextsDevice(context);
- alcDestroyContext(context);
- testForALCError(device);
-
- if (alcCloseDevice(device) == 0)
- printf("alcCloseDevice failed.\n");
-
- return 0;
-}
-
-/* -------------------------------------------------------------------------- */
-
-void
-printChar (int c, int *width)
-{
- putchar (c);
- *width = (c == '\n') ? 0 : (*width + 1);
-}
-
-void
-indent (int *width)
-{
- int i;
- for (i = 0; i < indentation; i++)
- {
- printChar (' ', width);
- }
-}
-
-void
-printExtensions (const char *header, char separator, const char *extensions)
-{
- int width = 0, start = 0, end = 0;
-
- printf ("%s:\n", header);
- if (extensions == NULL || extensions[0] == '\0')
- {
- return;
- }
-
- indent (&width);
- while (1)
- {
- if (extensions[end] == separator || extensions[end] == '\0')
- {
- if (width + end - start + 2 > maxmimumWidth)
- {
- printChar ('\n', &width);
- indent (&width);
- }
- while (start < end)
- {
- printChar (extensions[start], &width);
- start++;
- }
- if (extensions[end] == '\0')
- {
- break;
- }
- start++;
- end++;
- if (extensions[end] == '\0')
- {
- break;
- }
- printChar (',', &width);
- printChar (' ', &width);
- }
- end++;
- }
- printChar ('\n', &width);
-}
-
-char *
-getCommandLineOption(int argc, char **argv, char *option)
-{
- int slen = strlen(option);
- char *rv = 0;
- int i;
-
- for (i=0; i<argc; i++)
- {
- if (strncmp(argv[i], option, slen) == 0)
- {
- i++;
- if (i<argc) rv = argv[i];
- }
- }
-
- return rv;
-}
-
-char *
-getDeviceName(int argc, char **argv)
-{
- static char devname[255];
- int len = 255;
- char *s;
-
- s = getCommandLineOption(argc, argv, "-d");
- if (s)
- {
- strncpy((char *)&devname, s, len);
- len -= strlen(s);
-
- s = getCommandLineOption(argc, argv, "-r");
- if (s)
- {
- strncat((char *)&devname, " on ", len);
- len -= 4;
-
- strncat((char *)&devname, s, len);
- }
- s = (char *)&devname;
- }
-
- return s;
-}
-
-void
-displayDevices(const char *type, const char *list)
-{
- ALCchar *ptr, *nptr;
-
- ptr = (ALCchar *)list;
- printf("list of all available %s devices:\n", type);
- if (!list)
- {
- printf("none\n");
- }
- else
- {
- nptr = ptr;
- while (*(nptr += strlen(ptr)+1) != 0)
- {
- printf(" %s\n", ptr);
- ptr = nptr;
- }
- printf(" %s\n", ptr);
- }
-}
-
-void
-testForError(void *p, char *s)
-{
- if (p == NULL)
- {
- printf("\nError: %s\n\n", s);
- exit(-1);
- }
-}
-
-void
-testForALCError(ALCdevice *device)
-{
- ALenum error;
- error = alcGetError(device);
- if (error != ALC_NO_ERROR)
- printf("\nALC Error %x occurred: %s\n", error, alcGetString(device, error));
-}
projects / flightgear.git / blobdiff