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-rw-r--r--examples/altonegen.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/examples/altonegen.c b/examples/altonegen.c
index 74a04ee2..422e6d66 100644
--- a/examples/altonegen.c
+++ b/examples/altonegen.c
@@ -133,6 +133,7 @@ static ALuint CreateWave(enum WaveType type, ALuint freq, ALuint srate)
int main(int argc, char *argv[])
{
enum WaveType wavetype = WT_Sine;
+ const char *appname = argv[0];
ALuint source, buffer;
ALint last_pos, num_loops;
ALint max_loops = 4;
@@ -142,13 +143,24 @@ int main(int argc, char *argv[])
ALenum state;
int i;
- for(i = 1;i < argc;i++)
+ argv++; argc--;
+ if(InitAL(&argv, &argc) != 0)
+ return 1;
+
+ if(!alIsExtensionPresent("AL_EXT_FLOAT32"))
+ {
+ fprintf(stderr, "Required AL_EXT_FLOAT32 extension not supported on this device!\n");
+ CloseAL();
+ return 1;
+ }
+
+ for(i = 0;i < argc;i++)
{
if(strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
{
fprintf(stderr, "OpenAL Tone Generator\n"
"\n"
-"Usage: %s <options>\n"
+"Usage: %s [-device <name>] <options>\n"
"\n"
"Available options:\n"
" --help/-h This help text\n"
@@ -157,8 +169,9 @@ int main(int argc, char *argv[])
" triangle, impulse\n"
" --freq/-f <hz> Tone frequency (default 1000 hz)\n"
" --srate/-s <sample rate> Sampling rate (default output rate)\n",
- argv[0]
+ appname
);
+ CloseAL();
return 1;
}
else if(i+1 < argc && strcmp(argv[i], "-t") == 0)
@@ -204,15 +217,6 @@ int main(int argc, char *argv[])
}
}
- InitAL();
-
- if(!alIsExtensionPresent("AL_EXT_FLOAT32"))
- {
- fprintf(stderr, "Required AL_EXT_FLOAT32 extension not supported on this device!\n");
- CloseAL();
- return 1;
- }
-
{
ALCdevice *device = alcGetContextsDevice(alcGetCurrentContext());
alcGetIntegerv(device, ALC_FREQUENCY, 1, &dev_rate);